2005: Proceedings of the 23rd Samahang Pisika ng Pilipinas Physics Congress

SPP 2005 Proceedings Cover

Physics connects
26-28 October 2005, Central Philippine University, Iloilo City

Published: 2005-10-26

Invited Presentations

The physics of disordered quantum systems – Bigger, smaller and alive

Rudolf A. Roemer

SPP-2005-INV-PS-01
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Effects of columnar defects on vortices in high-Tc superconductors

Eduardo C. Cuansing; Yadin Y. Goldschmidt

SPP-2005-INV-PS-02
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Current situation of science and engineering higher education in the country and in the Asia-Pacific

Maricor Soriano

SPP-2005-INV-PS-05
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Development of integrated terahertz optics

Nobuhiko Sarukura

SPP-2005-INV-PS-06
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Developing a scientific culture through research

Josette T. Biyo

SPP-2005-INV-PS-07
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Nuclear magnetic resonance spectroscopy at high magnetic fields

Arneil P. Reyes

SPP-2005-INV-PS-09
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Prospects of wide-gap fluoride heterostructures for deep ultraviolet optical devices

Shingo Ono

SPP-2005-INV-PR-02
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MAGDAS observations for space weather

Kiyohumi Yumoto; MAGDAS/CPMN Group

SPP-2005-INV-PR-03
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Recent advances in optical manipulation using spatial light modulators

Peter John L. Rodrigo

SPP-2005-INV-PR-05
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Laser scanning Raman microscopy for observation of living biological cells

Katsumasa Fujita

SPP-2005-INV-PR-06
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The physics of Angels and Demons: Antihydrogen and antimatter physics

Lawrence Gene C. Posada

SPP-2005-INV-ST-01
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Human body and occupational safety and health (OSH)

Erwin B. Daculan

SPP-2005-INV-ST-02
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The physics of smelling

Christopher Monterola

SPP-2005-INV-ST-03
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Plenary Sessions

Interplay of noise and recurrence enhances spatial categorization in neural networks

Christopher Monterola, Martin Zapotocky

SPP-2005-PS-03
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Free fall?!? A critical analysis of students' conception about free fall motion

Rosemarie Deauna-Eusebio

SPP-2005-PS-08
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Vibrational relaxations in trace nitric oxide photoacoustic detection

Raymund Sarmiento, Stefan T. Persijn, Lucas J. J. Laarhoven, Frans J. M. Harren

SPP-2005-PR-01
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Device fabrication and DC characteristics of AlGaAs/GaAs high electron mobility transistors

Kristin Ma. Angelus N. Bautista, Armando Somintac, Arnel Salvador

SPP-2005-PR-04
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Atmospheric Studies

A comparative study of Luzon rainfall simulations with the MM5 and the RegCM3 Models

Armelle Reca C. Remedio, Mariano A. Estoque

SPP-2005-1G-01
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A comparative study of boundary layer height measurement techniques using data from a continuously operated portable lidar (PAL)

Rach C. dela Rama, Nofel Lagrosas, Nobuo Takeuchi, Hiroaki Kuze

SPP-1995-1G-02
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Continuously operated portable automated lidar (PAL): Boundary layer observations in Chiba, Japan using automatic alignment system

Nofel Lagrosas, Yotsumi Yoshii, Nobuo Takeuchi, Hiroaki Kuze, Suekazu Naito, Akihiro Sone, Hirofumi Kan

SPP-2005-1G-03
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Comparative analysis of statistical reduction and classification methods for Philippine rainfall

Ella R. Castillo, Charlotte Kendra Castillo, Jose T. Villarin, S.J.

SPP-2005-1G-04
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Complex Systems

Discriminating molecular diffusion signals using detrended fluctuation analysis

Alvin C. Baclig, Carlo Mar Blanca

SPP-2005-1C-01
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Financial modeling with a tail-asymmetric truncated Lévy process

Albert James M. Licup

SPP-2005-1C-03
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Steady-state stick-slip dynamics of a single horizontally vibrated particle

Marissa G. Pastor, Johnrob Y. Bantang, Caesar A. Saloma

SPP-2005-2C-02
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Robustness of multilevel network marketing plans under influenced quitting

Erika Fille T. Legara, Marisciel Litong-Palima, Caesar A. Saloma

SPP-2005-2C-03
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Jamming of hard spheres in a 2D hopper: Reconstructing empirical results using simple agent-based rules

Anthony G. Longjas, Marisciel L. Palima, Caesar A. Saloma

SPP-2005-2C-04
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Influence of agent-α statistics on cluster-size distribution

Dranreb Earl Juanico, Caesar Saloma

SPP-2005-2D-02
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Brownian motion of a Kerr nanobead in a single beam optical trap

Romeric F. Pobre, Caesar A. Saloma

SPP-2005-2D-03
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Dynamics of multi-player prisoner's dilemma game with coupled players

Johnrob Y. Bantang, Caesar A. Saloma

SPP-2005-3C-01
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Chaos control and synchronization through directional noise injection

Angela Monique T. Jhocson, Giovanni A. Tapang, Caesar A. Saloma

SPP-2005-3C-02
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Herding and experience in real escape panic

Gay Jane Perez, Caesar A. Saloma, Catherine Ann Gavile, Jacqueline Judith Ick-Joson, Cynthia Palmes-Saloma

SPP-2005-3C-03
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Image and Signal Processing

Efficient computation of computer-generated holograms for single-shot fabrication of micro-laboratory components

Mary Jacquiline Romero, Darwin Palima, Vincent Ricardo Daria

SPP-2005-1D-01
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Effect of noise and number of dyes in estimating fractional abundance in unmixing of composite fluorescence spectra

Wilma R. Oblefias, Maricor N. Soriano, Caesar A. Saloma

SPP-2005-1D-02
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Color appearance of surfaces with cylindrical texture primitives with walls and bottoms of different reflectances

Athena Paz, Maricor Soriano, Caesar Saloma

SPP-2005-1D-03
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Face recognition via open source technology

Bobby O. Corpus, Augusto Y. Hermosilla, Ernesto P. Adorio, Prospero C. Naval

SPP-2005-1D-04
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Instrumentation and Optics

Optical structures with linearly increasing non-integer topological charge

Christine O. Manaois, Nathaniel P. Hermosa

SPP-2005-1A-01
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1P- and 2P-OBIC axial response of small area devices

Francesca Celine Catalan, Carlo Amadeo Alonzo

SPP-2005-1A-02
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Arbitrary time-multiplexed optical field pattern generator for fabrication of micromachines

Joaquin Jose Escay, Godofredo Bautista, Vincent Ricardo Daria

SPP-2005-1A-03
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Teflon photonic crystal fiber waveguide for terahertz radiation

Alex Quema, Elmer Estacio, Gilbert Diwa, Glenda de los Reyes, Carlito Ponseca Jr., Hidetoshi Murakami, Shingo Ono, Nobuhiko Sarukura

SPP-2005-1A-04
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Spectral and temporal characteristics of a 635 nm laser diode subjected to optical feedback from an etalon

Ma. Adoracion P. Manuel, Percival F. Almoro

SPP-2005-2A-01
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Generation of multicolor laser light via stimulated Raman scattering in N₂

Lourdes Patricia R. Ramirez, Grace G. Manahan, Maria Leilani Y. Torres, Marilou M. Cadatal, Wilson O. Garcia

SPP-2005-2A-02
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Development of a wireless telemicroscopy facility at the University of the Philippines, National Institute of Physics, Diliman Campus

Bernardino J. Buenaobra, Joaquin Jose Escay, Christian M. Alis, Stephen Daedalus Separa, Carlo Mar Blanca, Caesar A. Saloma

SPP-2005-2A-03
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Optimal light throughput in multi-foci patterns produced via phase-only computer-generated holograms

Darwin Z. Palima, Vincent Ricardo M. Daria

SPP-2005-2A-04
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Reflectance determination of different quartz samples through surface photovoltage spectroscopy

J. R. De Luna, K. De Luna, Maria Lyn Perin, M. C. Villanueva, Jesus Felix B. Valenzuela

SPP-2005-3A-01
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Supercontinuum generation in a femtosecond laser-pumped microstructured photonic crystal fiber

Jacque Lynn F. Gabayno, Carlo C. Alonzo, Wilson O. Garcia

SPP-2005-3A-03
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High contrast component discrimination and failure localization in integrated circuits using spectral reflectance microscopy

Godofredo Bautista, Serafin Delica, Carlo Mar Blanca, Bernardino Buenaobra, Caesar A. Saloma

SPP-2005-3A-02
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Evaluating the potential of a locally developed laser Doppler velocimeter for vibration measurements

Heev Ayade, Mary Jane Sanchez-Flores, Adonis Flores

SPP-2005-3A-04
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Conversion efficiency enhancement of a H₂-Raman shifter using capillary waveguides with different bore diameters

Grace G. Manahan, Lourdes Patricia R. Ramirez, Maria Leilani Y. Torres, Marilou M. Cadatal, Wilson O. Garcia

SPP-2005-3D-01
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Design and implementation of a low-cost thermoreflectance microscope

Serafin Delica, Godofredo Bautista, Carlo Blanca, Bernardino Buenaobra, Caesar Saloma

SPP-2005-3D-02
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Transmittance spectra of Hibiscus Centennial hybrids (Hibiscus rosa-sinensis)

Melisen O. Cammayo, Von Amiel B. Dimaculangan, Darwin B. Putungan, Marvin U. Herrera

SPP-2005-3D-03
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Self-assembled reflection gratings on flexible elastomeric materials

D. Mancilla, Nathaniel Joseph C. Libatique, Ivan Culaba, Raphael Guerrero, Benjamin Chan, Gregory Tangonan, Guggi H. R. Kofod

SPP-2005-3D-04
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Materials Science

Experimental analysis of charge carrier equilibration and distribution in silicon inside MOSFET using surface photovoltage spectroscopy (SPS)

Darwin B. Putungan, Marvin U. Herrera

SPP-2005-1F-01
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Magnetic field effects on the chemical potential and specific heat of a 2DEG

Rayda P. Gammag, Cristine Villagonzalo

SPP-2005-1F-02
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Parallel conductivity of polyaniline (leucoemeraldine base) and its dependence on temperature based on the conduction electron density

Hannah Rissah E. Forio, Armida V. Gillado, Jik-Jik O. Abad, Cklaudioney R. Mesa, Rowel V. Tabajonda, Malou D. Catedral, Alvin Karlo G. Tapia

SPP-2005-1F-03
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Use of bone ash as source of CaO and P₂O₅ for the formation of bioactive glass-ceramic

Rugi Vicente C. Rubi, Carlito S. Ponseca Jr., Carlo Victorio L. Galag, Gil Nonato C. Santos, Reuben V. Quiroga

SPP-2005-1F-04
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Surface morphology of polyaniline films

Jesus Felix Valenzuela, Marvin U. Herrera, Ernesto J. del Rosario

SPP-2005-2B-01
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Analysis of field dependence of AC susceptibility due to intergrain coupling in the absence of vortices

Mylein B. Uy, Bess G. Singidas, Roland V. Sarmago

SPP-2005-2B-02
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Time resolved photoluminescence of oxide-confined vertical cavity surface emitting laser structure

Florencio D. Recoleto, Jr., Jennette N. Mateo, Mariel S. Dimamay, Elmer S. Estacio, Arnel A. Salvador

SPP-2005-2B-03
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Electrical conductivity and thermal stability of polyaniline p-doped with perchloric acid and sulfuric acid at various concentrations

Earl Vincent B. Lagsa, Flo Rykiel M. Ramos, Malou D. Catedral, Alvin Karlo G. Tapia, Roland V. Sarmago

SPP-2005-2B-04
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Self-assembly of polycarbonate/organoclay nanocomposites

Blessie A. Basilia, Catherine C. Lit

SPP-2005-2F-01
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Obtaining c-axis oriented YBa₂Cu_3(1–x)Fe_3xO_7–δ (YBCFO) on (001) LaAlO₃ (LAO)

Ayn Hazel G. Manuel, Roland V. Sarmago

SPP-2005-2F-02
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The effect of thermal cycle on electrical performance of SnAu and Sn solders plated on Kovar leadframe

Winston G. Mutia, Melanie Baligod, Roland V. Sarmago

SPP-2005-2F-03
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Time-resolved photoluminescence of coupled GaAs/AlGaAs quantum wells

Jennette N. Mateo, Florencio D. Recoleto, Jr., Arnel A. Salvador

SPP-2005-2F-04
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Below-bandgap excited terahertz emission in GaAs/AlGaAs multiple quantum wells

Elmer Estacio, Alex Quema, Gilbert Diwa, Carlito Ponseca, Glenda de los Reyes, Shingo Ono, Hidetoshi Murakami, Nobuhiko Sarukura, Joanes Paulus Sy, Armando Somintac, Christine Ison, Arnel Salvador

SPP-2005-3B-01
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Discerning intergranular loss contribution to harmonic susceptibility features using samples with different intergranular loss peak positions

Jessica Pauline C. Afalla, Maria Veronica S. Torralba, Roland V. Sarmago

SPP-2005-3B-02
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Oxidation barrier to vertical cavity surface-emitting laser (VCSEL) structures

Mark Jayson Llena, Alipio Garcia, Armando Somintac, Arnel Salvador

SPP-2005-3B-03
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Calculation of Pauli spin susceptibility for the single-hole problem based on the spin-polaron model

Augusto A. Morales, Jr., Jan R. Jael

SPP-2005-3B-04
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Effects of potassium substitution on the AC magnetic susceptibility of MgB₂

Margie P. Olbinado, Roland V. Sarmago

SPP-2005-3G-01
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Supercurrent carried by the Andreev bound states in clean superconductor-normal metal-superconductor junction

Roland Emerito S. Otadoy

SPP-2005-3G-02
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Calculation of the conductivity of cuprate superconductors with lattice defects

Emmanuel T. Rodulfo

SPP-2005-3G-03
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Localized thermal gradient mapping of the external quantum efficiency of a silicon photodiode

Vernon Julius Cemine, Carlo Mar Blanca, Caesar Saloma

SPP-2005-3G-04
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Physics Education

Using RTOP to document reformed teaching in Introductory Physics

Voltaire M. Mistades

SPP-2005-1B-01
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Students' perception of the turning point in motion graphs

Chrysline Margus N. Piñol, Marvin U. Herrera

SPP-2005-1B-02
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Measurement of students' attitudes towards physics

Alvin Karlo G. Tapia, Melisen O. Cammayo, Marvin U. Herrera

SPP-2005-1B-03
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The Taylor tube as an apparatus for vibration modes and modulus of elasticity measurements

C. S. Auman, C. E. Labe, Marian F. Baclayon

SPP-2005-1B-04
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Real-time measurements of static and kinetic friction: A computer-aided experiment

Mary Jane Sanchez-Flores, Renante Violanda, Adonis Flores

SPP-2005-2G-01
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Physics teachers' diaries

Benedicta M. Carambas, Malou D. Catedral, Alvin Karlo G. Tapia

SPP-2005-2G-02
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VHDL PLD training system for advanced logic design

Nelio C. Altoveros, Josephine C. Garcia, Cindy Angeline M. Bien

SPP-2005-2G-03
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The use of cognitive miser in creating a theoretical model for the predictions the properties of misconceptions

Marvin U. Herrera

SPP-2005-2G-04
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Plasma Physics

Studies of microwave power system for plasma generation

Leo Mendel D. Rosario, Roy B. Tumlos

SPP-2005-3F-01
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Sterilization of Bacillus subtilis-infected stainless steel using low-pressure H₂O₂ glow discharge plasma

Elaine Juliet L. Fabonan, Maria Auxilia T. Siringan, Henry J. Ramos

SPP-2005-3F-02
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Power measurements on a 2.45 GHz microwave plasma using calorimetry and Fourier analysis

Marko E. Arciaga, Rumar A. Lledo, Roy B. Tumlos

SPP-2005-3F-03
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Local neutral density enhancement by streaming neutral gas injection

Alexander G. Mendenilla, Toshiro Kasuya, Motoi Wada

SPP-2005-3F-04
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Theoretical and Computational Physics

Constant perturbation in the tight-binding bands of a single-walled carbon nanotube

Louella Judy Vasquez, Cristine Villagonzalo

SPP-2005-1C-02
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Linear stability and dynamics of a periodic directional chain of fractional relaxors in an anharmonic potential

Francis N. C. Paraan, Jose Perico H. Esguerra

SPP-2005-1C-04
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Quantum systems with position-dependent effective mass and equispaced energy levels: New exact results and test of a perturbation scheme

Diandrew Lexter Dy, Jose Perico Esguerra

SPP-2005-2C-01
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A model for molecular reaction rates

Kristine Eia S. Antonio, Karla V. Belisario, Ronald S. Banzon

SPP-2005-2D-01
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Are eigenfunctions of Hermitian operators always physical

Lorenzo Chan, Jhein Siclon

SPP-2005-2D-04
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Higher order momentum transport equation for fluids and onset of turbulence

Ludek Jirkovsky, Luis Ma. Bo-ot

SPP-2005-3C-04
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Poster Session PA

Finite difference scheme for hyperbolic heat conduction with continuous and pulsed heat sources

Agatha De La Torre, Cristine Villagonzalo

SPP-2005-PA-01
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Equilibrium statistical mechanics of charged disks in external electric and gravitational fields

Rumelo Amor, Bhazel Anne Rara, Francis N. C. Paraan, Jose Perico H. Esguerra

SPP-2005-PA-02
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Formation of a variable focus lens by elastomer compression

Rafael L. Alfonso, Benjamin O. Chan

SPP-2005-PA-03
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Fractal dimension of vitrified sample for solid cast local white clay with waste cullet

Alvin Karlo G. Tapia, Raymond V. Rivera Virtudazo, Jesus Felix B. Valenzuela

SPP-2005-PA-04
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Migration behavior of isolated entities in a system of limited population

Alvin Karlo G. Tapia, Mark Oliver Llangco

SPP-2005-PA-05
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Chlorophyll-a fluorescence analysis of ipil (Intsia bijuga) leaves under different biofertilizer treatments

Randal J. Remoto, Romeric F. Pobre, Minda F. Edmiston

SPP-2005-PA-06
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Estimating the degree of coffee rust infection (Hemileia vastatrix) in coffee leaves

Chrysline Margus N. Piñol, Melissa D. Tadena

SPP-2005-PA-07
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Micromorphology and molecular structure of layered polyaniline on glass substrate

Alvin Karlo G. Tapia, Malou D. Catedral, Ernesto J. del Rosario, Roland V. Sarmago, Blessie A. Basilia

SPP-2005-PA-08
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The development of students' conceptual understanding and problem solving skills in physics

Darwin B. Mendevil

SPP-2005-PA-09
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Post-course evaluation of students' conceptions regarding equipotential lines, electric field and electric flux

Katrina B. Oliva, Jesus Felix B. Valenzuela, Marvin U. Herrera

SPP-2005-PA-10
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Stokes generation by stimulated Raman scattering in a multi-mode optical fiber

Francesca Celine Catalan, Brian D. Maraña, Jacque Lynn F. Gabayno, Wilson O. Garcia

SPP-2005-PA-11
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A computer-based interactive program in mechanics

Marvin U. Herrera

SPP-2005-PA-12
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Schwarzschild metric fixes the Klein-Gordon single-scalar field to act as cosmological constant

Ferdinand Joseph P. Roa

SPP-2005-PA-13
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Investigation on the impetus-like concepts of students regarding forces

Maricon R. Amada, Marvin U. Herrera, Rowel V. Tabajonda

SPP-2005-PA-14
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Investigation on the possibility of intermingled usage of concepts in kinematics

Malou D. Catedral, Marvin U. Herrera

SPP-2005-PA-15
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Redshift distributions of quasars with highly blue and highly red spectra obtained from the Sloan Digital Sky Survey Database

Andrew S. Alarcon, Jose Perico Esguerra

SPP-2005-PA-16
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Investigation of diffraction patterns produced by feathers

Michael Defensor, Lorelie Dazo, Kristine Antonio, Carlo Blanca

SPP-2005-PA-17
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On the synthesis of YBa₂Cu₃O_7−δ: Effects of annealing conditions on homogeneity and oxygen content of polycrystalline samples

Lorelie C. Dazo, Roland V. Sarmago

SPP-2005-PA-18
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The use of lahar carbon paste electrode in the voltammetric determination of cadmium(II) and mercury(II)

Celine G. Abueva, Bonna F. Balahibo, Maria S. Barcena, Ace Christian G. Sesante, Elmer-Rico Mojica, Jesus Felix Valenzuela

SPP-2005-PA-19
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Simulation of circular aperture diffraction using OpenGL^TM

Allan L. Alinea, Emmanuel A. Florido

SPP-2005-PA-20
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Single and double Langmuir probe characterization of an argon discharge in a microwave plasma device

Rumar Christopher A. Lledo, Roy B. Tumlos

SPP-2005-PA-21
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Statement analysis misconceptions regarding thermodynamics

Allan L. Alinea, Darwin B. Putungan, Marvin U. Herrera

SPP-2005-PA-22
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A hydrogen Raman shifter with variable focusing geometry

Maria Leilani Torres, Aldwin Pagdanganan, Lourdes Patricia Ramirez, Grace Manahan, Marilou Cadatal, Wilson Garcia

SPP-2005-PA-23
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Optical characterization of leaves from selected traditional and modern rice varieties (Oryza sativa L.)

Eric Jhon D. Cruz, Avick Roz A. Delfin, M. A. R. Suriben, Romena D. de Chavez, Marvin U. Herrera, Rowel V. Tabajonda

SPP-2005-PA-24
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Simulation of DC output characteristic curves for long and short channel MOSFETs in JAVA^TM

Milany T. Zuñega, Allan L. Alinea

SPP-2005-PA-25
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Enhanced response time of GaAs based p-i-n photodetector

Loraine T. Suba, Kristin Ma. Angelus N. Bautista, Valynn Katrine P. Mag-usara, Jennette N. Mateo, Florencio D. Recoleto, Arnel A. Salvador

SPP-2005-PA-26
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Magnetic and electrical characterization of Mg_1−xK_xB₂ synthesized from MgB₂ and KCl powders

Denis D. Aquino, Ken Ryner H. So, Margie P. Olbinado, Roland V. Sarmago

SPP-2005-PA-27
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Spectral analysis of caimito (Chrysophyllum cainito L.) leaves by reflectance and transmittance spectroscopy

Michelle M. Calubaquib, Carlo Leo U. Cabral, Sheryl V. Kalalo, Jerico B. Gascon, Marvin U. Herrera, Rowel V. Tabajonda

SPP-2005-PA-28
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Effect of annealing on the resistivity of Au plated Kovar lead frames

Gay Kathrina P. Maniquiz, Carlo Magno D. Reyes, Roland V. Sarmago

SPP-2005-PA-29
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Photocurrent and electroluminescence spectra of InAs/GaAs quantum dots

Valynn Katrine Mag-usara, Elmer Estacio, Armando Somintac, Arnel Salvador

SPP-2005-PA-30
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Survivability in an 8-bit Penna Model

Maria Donna N. Beech, Ronald S. Banzon

SPP-2005-PA-31
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Color object recognition and 3D localization by correlation of digital hologram reconstructions

Aiza Marie A. Quiatchon, Percival F. Almoro

SPP-2005-PA-32
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Constrained percolation in two dimensions

Christian Oliver Jaramillo, Cristine Villagonzalo, Ronald Banzon

SPP-2005-PA-33
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Lacunarity analysis of TEM images of synthesized hybrid organosilica materials incorporating a biphenyl moiety

Jesus Felix B. Valenzuela, Alvin Karlo G. Tapia, Raymond V. Rivera-Virtudazo, Herman D. Mendoza, Leonard Dela Cruz, Emily V. Castriciones

SPP-2005-PA-34
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Molecular orbital computation of the electrical properties of doped polyaniline

Catherine C. Lit, Jason M. Reyes, Rowel V. Tabajonda, Malou D. Catedral

SPP-2005-PA-35
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Determination of mango leaf pigments using reflectance spectroscopy

Jubert B. Cate, Camille M. Fernandez, Ma. Cecilia L. Occiano, Jesus Felix Valenzuela

SPP-2005-PA-36
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Investigation on the morphological properties of electrospun polyanisidine (PANIS) and PANIS-polyester blend

Andy B. Aquino, Jasmin Fe C. Federizon, Ellery B. Legaspi, S. V. Tiempo, Maricon R. Amada, Ernesto J. Del Rosario

SPP-2005-PA-37
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Modified technique for NiSi Schottky contacts exhibiting ohmic behavior

Astrid Ayla E. Liberato, Deorex David A. Navaja, Roland V. Sarmago

SPP-2005-PA-38
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Three-dimensional polarization sensitive confocal microscopy

Edward Carlo Samson, Carlo Mar Blanca, Caesar Saloma

SPP-2005-PA-39
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Partial substitution of tin (Sn) into the strontium (Sr) site of the high-T_c BSCCO system

Amancia Ragandac-Vallente, Alex V. Quema

SPP-2005-PA-40
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Students' use of mathematical proportionality on friction

Alvin Karlo G. Tapia, Marvin U. Herrera

SPP-2005-PA-41
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Students' use of mathematical relationship of proportionality on frequency-wavelength-velocity equation of electromagnetic waves

Benedicta M. Carambas, Alvin Karlo G. Tapia, Marvin U. Herrera

SPP-2005-PA-42
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Improved homogeneity and growth quality of highly c-axis Bi-2212 superconducting films on single-crystalline MgO (100) substrates

Jan Isaac L. Bugante, Roland V. Sarmago

SPP-2005-PA-43
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Exponential tail of completion times distribution in M/G/N queues

Jaymar Soriano, Johnrob Bantang, Caesar Saloma

SPP-2005-PA-44
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Single view metrology of a rectangular paralleliped using vanishing points

Evan Vidal B. Sagge, Quirino M. Sugon, Jr., Daniel J. McNamara

SPP-2005-PA-45
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Power and length dependence of stimulated Raman scattering in a single-mode optical fiber

Jennifer Chrisna San Juan, Jacque Lynn F. Gabayno, Wilson O. Garcia

SPP-2005-PA-46
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Population's response to depth ambiguity: Patterns in angle dependence

Junius André F. Balista, Joaquin Jose D. Escay, Erika Fille T. Legara

SPP-2005-PA-47
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The surface fractal investigation of doped polyaniline (emeraldine salt)

Rodeliza S. Garcia, Maria Isabel Guingab, Aaron Carlo U. Villahermosa, Meredith Anne C. Sotto, Malou D. Catedral, Alvin Karlo G. Tapia, Roland V. Sarmago

SPP-2005-PA-48
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Secondary students misconception and errors in measuring distances, time, mass and weight

Julius M. Jose

SPP-2005-PA-49
- Requires Subscription PDF
Electrospinning of gelatin nanofibers from gelatin formic acid solution

Danfel I. Bautista, Ruth Eloisa O. Biado, Jennyvi P. Dayaon, Hilbert S. Magpantay, Meredith Anne C. Sotto

SPP-2005-PA-50
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Poster Session PB

Investigation on the student's preferred choice of concepts/methods in answering problems regarding buoyant force

Marvin U. Herrera

SPP-2005-PB-01
- Requires Subscription PDF
Analysis of the basis of student's misconceptions regarding physics concepts: A concatenation of the different researches conducted in University of the Philippines Los Baños published in the year 2003-2004

Marvin U. Herrera

SPP-2005-PB-02
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Initial measurements of atmospheric turbidity parameters using solar spectral irradiance over Manila area

Ernest P. Macalalad, Juan Carlos Q. Uy, Eric B. Bangsal, Edgar A. Vallar, Maria Cecilia D. Galvez

SPP-2005-PB-03
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Monte Carlo simulation of conduction electron concentration distributions in phosphorus-doped germanium

Darwin B. Putungan, Alexandra B. Santos

SPP-2005-PB-04
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Calculation of occupied and unoccupied surface state density of silicon in MOSFET using surface photovoltage (SPV) transient measurement

Darwin B. Putungan, Marvin U. Herrera

SPP-2005-PB-05
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Power law behavior analysis of silicon's surface photovoltage transient response in MOSFET

Darwin B. Putungan, Marvin U. Herrera

SPP-2005-PB-06
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Speed of laminar flow in a pipe with an abrupt variation in cross-sectional area

Adonis Flores, Mary Jane Sanchez-Flores, Roland Otadoy

SPP-2005-PB-07
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An improvised apparatus for studying the concept of center of gravity

Sarkhan S. Baun

SPP-2005-PB-08
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Intrinsic and extrinsic motivations of introductory Physics students

Alvin Karlo G. Tapia, Melisen O. Cammayo, Marvin U. Herrera

SPP-2005-PB-09
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Stimulated Raman scattering of linearly chirped pulses

Grace G. Manahan, Carlo Amadeo Alonzo, Wilson O. Garcia

SPP-2005-PB-10
- Requires Subscription PDF
Efficiency of InGaAs/GaAs quantum well laser stripes with 30 Î¼m mesa

Imee Rose Tagaca, Jesus Fernandez Jr., Armando Somintac, Arnel Salvador

SPP-2005-PB-11
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Growth and characterization of lattice matched In_0.53Ga_0.47As/InP p-n junctions

Frantessa T. Casco, John Vincent Misa, Arnita Podpod, Kristin Ma. Angelus Bautista, Valynn Katrine Mag-usara, Jennette Mateo, Arnel Salvador

SPP-2005-PB-12
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A preliminary study on non-linear gravity theory: The CDTT model

Ferdinand Joseph P. Roa

SPP-2005-PB-13
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Determination of the effect of sulfuric acid dopant concentration on the fractal dimension and electrical conductivity of polyaniline

Edison G. Boongaling, Kristina Mae S. Manalaotao, Ma. Kathrina Teresa Alcalde, Angel P. G. Tudtud, Malou D. Catedral, Alvin Karlo G. Tapia, Maricon R. Amada, Roland V. Sarmago, Ernesto J. Del Rosario

SPP-2005-PB-14
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Parallel implementation of the two-dimensional Fourier transform for high-speed derivation of computer generated holograms

Andrew R. Bañas, Mary Jacquiline Romero, Vincent Ricardo Daria

SPP-2005-PB-15
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An investigation on the effects of yttrium in the magnetoresistance of Bi₂Sr₂CaCu₂O_8+Î´ thin film

Glaiza Rose Blanca, Erika Santos, Geraldine Dumlao, Ayn Hazel Manuel, Roland Sarmago

SPP-2005-PB-16
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Effect of varying bore on the threshold of capillary waveguide hydrogen Raman shifter

Grace G. Manahan, Lourdes Patricia R. Ramirez, Maria Leilani Y. Torres, Marilou M. Cadatal, Wilson O. Garcia

SPP-2005-PB-17
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Computational studies on the electronic properties of several poly(p-phenylene vinylene) derivatives

Mahalia P. Serrano, Mayrene D. Algire, Aldrich C. Gilo, Rowel V. Tabajonda

SPP-2005-PB-18
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Effects of annealing temperature and amount of tin on resistance of Al-Sn-Ni ohmic contact on N-type GaAs substrate

Maria Celine P. Alarcon, Marites E. Caspillo, Rowella Y. Limpin, Roland V. Sarmago

SPP-2005-PB-19
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Growth model of chemically synthesized protonated PAni-emeraldine

Lou Serafin M. Lozada, Rowel V. Tabajonda, Marvin U. Herrera

SPP-2005-PB-20
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Superconducting properties of yttrium-substituted Bi-2212 thin films prepared via sedimentation deposition

Erika A. Santos, Ayn Hazel Manuel, Roland V. Sarmago

SPP-2005-PB-21
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Optimal traffic organization in ants

Anthony G. Longjas, Gerfel P. Guba, Mark C. Nicolas

SPP-2005-PB-22
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Students' misconceptions on mechanical energy sign conventions

Nesse Grace T. Uriarte, Marvin U. Herrera

SPP-2005-PB-23
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Identification of the solid and fluid regimes of a granular medium

George Allan Esleta, Marisciel L. Palima, Caesar A. Saloma

SPP-2005-PB-24
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Determination of self-similarity of corrosion pits on aluminum caused by varying concentrations of hydrochloric acid using multifractal analysis

Ritzelle Joan B. Briones, Rachelle Marie A. Bunan, Rachel Guia P. Giron, Jesus Felix B. Valenzuela

SPP-2005-PB-25
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Characterization of cellular automata rules using quantitative lattice properties

Rene C. Batac, Johnrob Y. Bantang, Caesar A. Saloma

SPP-2005-PB-26
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PM_2.5 source identification through a modified potential source contribution function (PSCF)

Khervin U. Cheng Chua, Genie H. Lorenzo

SPP-2005-PB-27
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A simple non-vortex model of the fundamental AC susceptibility of granular superconductors

Bess G. Singidas, Roland V. Sarmago

SPP-2005-PB-28
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Fluorescence emission detection using LED as excitation source

Karl Bryan A. Lagman, Loren M. Tusara, Maricor N. Soriano, Caesar A. Saloma

SPP-2005-PB-29
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Characteristics of a novel holographic light source: Hydrogen Raman shifter using an elliptically-polarized pump

Michelle C. Francisco, Maria Vanessa Balois, Marilou Cadatal, Wilson O. Garcia, Percival F. Almoro

SPP-2005-PB-30
- Requires Subscription PDF
Modelling molecular function via multiple collisions

Mark Lawrence Nicolas, Ronald S. Banzon

SPP-2005-PB-31
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Thatcher illusion: Comparison of responses of children and young adults

Vera Marie M. Sastine, Marissa G. Pastor, Christian Oliver N. Jaramillo

SPP-2005-PB-32
- Requires Subscription PDF
Comparison of electrical and microstructural property of polyaniline-poly-ortho-anisidine (PAni-PAnis) copolymer with its homopolymers

Rosalie B. Battung, Abel P. Formento, Roland V. Sarmago, Maricon R. Amada, Ernesto J. Del Rosario, Jelynne P. Tamayo, Blessie A. Basilia

SPP-2005-PB-33
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Cathodic emission of H₂SO₄ doped polyaniline (PAni) in a low vacuum chamber

Emmanuel A. Florido, Menandro C. Marquez, Hannah Rissah Forio, Armida Gillado, F. J. A. Angeles, Jik-Jik Abad, Cklaudioney R. Mesa

SPP-2005-PB-34
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Thermomechanical behavior of flexible substrates

Jonee Christine P. Zuñega

SPP-2005-PB-35
- Requires Subscription PDF
Multi-platform internet-protocol-based architecture for remote scientific instrumentation

Christian M. Alis, Joaquin Jose Escay, Stephen Daedalus Separa, Bernardino J. Buenaobra, Carlo Mar Blanca, Caesar A. Saloma

SPP-2005-PB-36
- Requires Subscription PDF
Calibration of a CO₂ laser-based ethylene photoacoustic detector

Raymund Sarmiento, Dioscoro Villagonzalo, Adonis Flores, Erwin Orosco, Roland Otadoy, Ben Zuidberg, Cor Sikkens

SPP-2005-PB-37
- Requires Subscription PDF
Low-cost design of a soft turn-on laser diode controller

Kristine Marie Romallosa, Bernardino Buenaobra, Angela Monique Jhocson, Giovanni Tapang, Caesar Saloma

SPP-2005-PB-38
- Requires Subscription PDF
A 'small-world' network analysis on the committee memberships in the Philippine House of Representatives

Mary Jacqueline N. Sombillo, Marisciel Litong-Palima, Caesar Saloma

SPP-2005-PB-39
- Requires Subscription PDF
MIDI (Musical Instrument Digital Interface): The Ears ON, Hands ON, and MINDS ON learning of sounds

Julius M. Jose

SPP-2005-PB-40
- Requires Subscription PDF
Restricted and unrestricted express lane queuing in the critical utilization of M/G/N queues

Jaymar Soriano, Johnrob Bantang, Caesar Saloma

SPP-2005-PB-41
- Requires Subscription PDF
Transport of a particle in two-dimensional quantum percolation

Eduardo Cuansing, Hisao Nakanishi

SPP-2005-PB-42
- Requires Subscription PDF
Tautochrone curve of a rotating modified Keplerian field

Ma. Katrina S. Vargas, Emmanuel T. Rodulfo

SPP-2005-PB-43
- Requires Subscription PDF
Mental models of a group of public high school physics teachers

Nathaniel P. Hermosa II

SPP-2005-PB-44
- Requires Subscription PDF
An analysis of novice problem solving in dynamics

Amancia R. Vallente

SPP-2005-PB-45
- Requires Subscription PDF
Supercurrent density in terms of the Kubo formula in single-hole-spin problem

Augusto A. Morales, Jr., Fredison O. Ruiz

SPP-2005-PB-46
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Unmixing of measured spectra and reconstructed spectra from colored image of objects of known proportions

Mary Ann Go, Maricor Soriano, Caesar Saloma

SPP-2005-PB-47
- Requires Subscription PDF
Detection of terahertz radiation with Schottky photoconductive antenna

Christopher T. Que, Masahiko Tani, Masanori Hangyo, Fumiaki Miyamaru

SPP-2005-PB-48
- Requires Subscription PDF
Polyaniline-modified pH electrodes

Ma. Leonora Clerigo, Richard J. C. Doria, Jul Kristian R. Manoop, Maricon R. Amada, Elmer-Rico E. Mojica

SPP-2005-PB-49
- Requires Subscription PDF
Multifractal study of high-temperature corrosion of zinc surfaces

Maria Clarizza Amante, Maria C. Pangan, Karen Christie Tamagos, Gabriel Sario, Jamica Paula A. Bato, Maria Carmela Garcia, Jesus Felix B. Valenzuela

SPP-2005-PB-50
- Requires Subscription PDF
Effect of nitrogen on the transmittance of mongo leaves

Grace Anne G. Divino, Niña Irene Olivarez, Erico Lester Patricio, Tristan M. Tagaza, Jennet Rabo, Jesus Felix B. Valenzuela

SPP-2005-PB-51
- Requires Subscription PDF
Electrical properties and strength of conductive epoxy composites with carbon fillers

Paul L. Rodgers, Hazel Ruth A. Navaja, Roland V. Sarmago

SPP-2005-PB-52
- Requires Subscription PDF
More results in plasma-processed Philippine wood: Increased termite resistance and lesser combustibility

Philip Mateum, Ross Orille, Rafael Ramos, Rommel Miranda, Jonathan Lee Monasterial, Luis Ma. Bo-ot, Henry Ramos

SPP-2005-PB-53
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Rainfall patterns and self organizing feature maps

Francia B. Avila, Jose T. Villarin, S.J.

SPP-2005-PB-54
- Requires Subscription PDF
Effects of the plasma parameters on the electron temperature of low temperature DC glow discharge plasma

Crismar P. Patacsil

SPP-2005-PB-55
- Requires Subscription PDF
LUT-based aerosol size distribution from wavelet de-noised 355-nm and 532-nm Mie LIDAR signals

Mannelyn J. Dela Cruz, Gerry Bagtasa, Edgar A. Vallar, Ernest P. Macalalad, Eric B. Bangsal, Maria Cecilia D. Galvez

SPP-2005-PB-56
- Requires Subscription PDF
Clustering gene expression data from colon tissue samples with an interrelated two-way self-organizing map

Gilbert Adam Sab-a, V. Flores, Albert James Licup

SPP-2005-PB-57
- Requires Subscription PDF
Three dimensional hopping conduction in electrochemically prepared polypyrrole (p-TS)

Ofelia T. Rempillo, Reuben V. Quiroga, Maria Carla F. Manzano, Gil Nonato C. Santos, Enrique M. Manzano

SPP-2005-PB-58
- Requires Subscription PDF
Mobile remote sensors and distributed computing through GSM/GPRS wireless networks

Stephen Daedalus Separa, Bernardino J. Buenaobra, Christian M. Alis, Joaquin Jose Escay, Carlo Mar Blanca, Caesar A. Saloma

SPP-2005-PB-59
- Requires Subscription PDF

Panel Discussions, Workshops, and Tutorials

Simple activities that model concepts in modern physics

Ivan B. Culaba, Raphael A. Guerrero, Erees Queen B. Macabebe, Joel T. Maquiling

SPP-2005-WS-01
- Requires Subscription PDF
Capturing the world of light for physics classrooms

Benedicta M. Carambas, Rosemarie D. Eusebio, Alvin Karlo G. Tapia, Nesse Grace T. Uriarte, Marvin U. Herrera

SPP-2005-WS-02
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Understanding relative motion

Chrysline Margus N. Piñol, Melissa D. Tadena, Alvin Karlo G. Tapia

SPP-2005-WS-03
- Requires Subscription PDF
Palumba-anay

Nesse Grace T. Uriarte, Malou D. Catedral, Alvin Karlo G. Tapia, Melissa D. Tadena, Chrysline Margus N. Piñol

SPP-2005-WS-04
- Requires Subscription PDF
Twenty optics experiments with a laser pointer

Ivan B. Culaba, Raphael A. Guerrero, Erees Queen B. Macabebe, Joel T. Maquiling

SPP-2005-WS-05
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Basic digital electronics exercises using improvised digital training board

Nelio C. Altoveros, Josephine C. Garcia, Jeremy D. B. Paycana

SPP-2005-WS-06
- Requires Subscription PDF
Use of games as a teaching strategy in learning physics

Rosemarie D. Eusebio, Marvin U. Herrera, Malou D. Catedral, Benedicta M. Carambas

SPP-2005-WS-07
- Requires Subscription PDF
Video analysis as assessment instrument in Introductory Physics

Ivan B. Culaba, Raphael A. Guerrero, Erees Queen B. Macabebe, Joel T. Maquiling, Yolanda V. Villanueva

SPP-2005-WS-08
- Requires Subscription PDF