2012: Proceedings of the 30th Samahang Pisika ng Pilipinas Physics Congress | Proceedings of the Samahang Pisika ng Pilipinas

Invited Presentations

Medical physics in the Philippines

Agnette Peralta

SPP2012-PS-1
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Diagnostic imaging and radiation dosimetry in medicine

Augusto Morales

SPP2012-PS-2
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Testing quantum electrodynamic effects in molecules

Edcel John Salumbides

SPP2012-PS-3
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Gold nanoparticles for medical imaging and x-ray drug delivery system

Jade Dungao

SPP2012-PS-4
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State of Physics programs in Philippine higher education

Maricor Soriano

SPP2012-PS-5
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Photo-excited carriers in graphene

Richard Hartmann

SPP2012-PS-6
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VUV fluorescence from neodymium-doped fluorides using EUV-FEL

Nobuhiko Sarukura

SPP2012-PS-7
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Complex Systems

Tolerance and opinion dynamics

Mikaela Irene Fudolig, Jose Perico Esguerra

SPP2012-1A-1
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Metro Manila urban expansion impact on the heavy rainfall during Tropical Storm Ondoy

Faye Cruz, Gemma Narisma

SPP2012-1A-2
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Data assimilation of satellite-based rainfall into a forecasting model over the Philippines

Carlo Jamandre, Gemma Narisma

SPP2012-1A-3
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Decadal and genre comparison of musical networks from MIDI files

Nicole Valdez, Josephine Jill Cabatbat, Ranzivelle Marianne Roxas-Villanueva, Giovanni Tapang

SPP2012-1A-4
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The dynamics behind urban expansion impacts on southwest monsoon rainfall

Julie Mae Dado, Gemma Narisma, Faye Abigail Cruz

SPP2012-1A-5
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Structural correlation of networks formed by branching dendrites and multilevel marketing recruitment process

James Pang, Christopher Monterola, Johnrob Bantang

SPP2012-4B-1
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Data mining social networks: self-selection in a Twitter contest

Christian Alis, May Lim

SPP2012-4B-2
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Criticality in networked markets: profit-seeking behavior destabilizes evolutionarily stable states

Earl Juanico

SPP2012-4B-3
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Small-world effect in a uniform-radius broadcasting network

Gerold Pedemonte, May Lim

SPP2012-4B-4
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Effects of air pollution on Metro Manila's precipitation cycle

Gerry Bagtasa

SPP2012-4B-5
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Fractal dimension and object eccentricity trends in natural and synthetic images

Maelori Krista Nambatac, Ranzivelle Marianne Roxas-Villanueva, Giovanni Tapang

SPP2012-5C-1
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Growth patterns for competition in a single species forest

Chester Balingit, Reniel Cabral, May Lim

SPP2012-5C-2
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Highly influential factors on oil prices in the Philippines

Aimee Braga Rarugal, Ranzivelle Marianne Roxas-Villanueva, Giovanni Tapang

SPP2012-5C-3
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Incorporating spatial properties in the statistical analysis

Rene Batac, Holger Kantz

SPP2012-5C-4
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Effect of fish aggregating devices (FADs) on catch and stock biomass: A mean-field model

Reniel Cabral, Porfirio Aliño, May Lim

SPP2012-5C-5
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Condensed Matter Physics

Time-dependent electronic transport properties of nano-devices with dynamic components

Eduardo Cuansing, Gengchiau Liang, Jian-Sheng Wang

SPP2012-1B-1
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Mobility of charged particles in polar crystals based on the spin polaron theory

Danilo Yanga, Kristian Hauser Villegas, Jose Perico Esguerra

SPP2012-1B-2
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Rashba and Dresselhaus spin-orbit interactions in a curvilinear motion of a spin-polarized electron

Carlos Baldo, Cristine Villagonzalo

SPP2012-1B-3
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Electrodeposition of Zinc Oxide (ZnO) for Carbon Monoxide (CO) sensing

Jeriel Lloyd Dayrit, Emmanuel Florido

SPP2012-1B-4
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Surface modification of polymethylmethacrylate (PMMA) by argon plasma treatment

Ivan B. Culaba, Erwin P. Enriquez, Paz Victoria T. Ramos

SPP2012-1B-5
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Paper supercapacitor using carbon from waste coffee grounds

Rafael Jumar Chu, Geoffrey Matthew Tan, Erwin Enriquez

SPP2012-3C-1
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Single cycle azimuthal dependence of the THz emission from GaAs on Si (100)

Maria Herminia Balgos, Jessica Pauline Afalla, Rafael Jaculbia, Anne Margarette Maallo, Joselito Muldera, Gerold Pedemonte, Arnel Salvador, Elmer Estacio

SPP2012-3C-2
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Controlling the dimensions of In₂O₃ nanoarrows grown via direct thermal oxidation of AuIn films on glass substrates by changing the thickness of the catalyst and source layer

Fritz Christian Awitan, Mae Agatha Tumanguil, Neil Irvin Cabello, Horace Husay, Joselito Muldera, Armando Somintac, Arnel Salvador

SPP2012-3C-3
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Intrinsic superconducting electrical characteristics of a submicron Bi-2212 sedimentation film

Jun Isaac Bugante, Benjamin Villaflor, Roland Sarmago

SPP2012-3C-4
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Frequency-dependent activation energy of terahertz conductivity in Polyaniline-Emeraldine Salt

Alvin Karlo Tapia, Keisuke Tominaga

SPP2012-3C-5
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Finite-temperature Green’s function approach to kondo impurity scattering

Kristian Hauser Villegas, Jose Perico Esguerra, Danilo Yanga

SPP2012-6A-1
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Effects of variations in the Oxygen-annealing profile in Mn doped YBa₂Cu₃O_7-Î´ bulk superconductors

Rusty Lopez, Roland Sarmago

SPP2012-6A-2
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Growth of Indium Oxide on Silicon (100) substrates via direct thermal oxidation

Fritz Christian Awitan, Mae Agatha Tumanguil, Neil Irvin Cabello, Jake Ragasa, Joselito Muldera, Jessica Afalla, Armando Somintac, Arnel Salvador

SPP2012-6A-3
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Annealing study of AlN thin films grown on Si(100) and Si(111) substrates via reactive RF Magnetron sputtering

Nemesio Mangila, Peter Jeffrey Maloles, Armando Somintac, Arnel Salvador

SPP2012-6A-4
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Electrical characterization of aluminum thin films on etched PCB substrate

Elvi Marie D. Dumayaca, Nico Miguel N. Garcia, Ivan B. Culaba

SPP2012-6A-5
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Birefringence of ZnO microribbon with ultrawide [1010] parallel surfaces

Ray Vargas, Elmer Estacio, Armando Somintac, Roland Sarmago

SPP2012-6C-1
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Pole figure mapping of GaAs/AlGaAs core-shell nanowires via high resolution x-ray diffraction

Mae Agatha Tumanguil, Raymond Condes, Peter Jeffrey Maloles, Jasher John Ibañes, Arnel Salvador, Armando Somintac

SPP2012-6C-2
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Fabrication and characterization of vertically-oriented silicon nanowires synthesized via silver-assisted chemical etching

Neil Irvin Cabello, Joseph Christopher Ragasa, Mae Agatha Tumanguil, Raymond Condes, Maria Herminia Balgos, Rafael Jaculbia, Jessica Pauline Afalla, Kaye Ann de las Alas, Arnel Salvador, Armando Somintac

SPP2012-6C-3
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Electrically conducting NiS-montmorillonite nanocomposite prepared by ultrasonic intercalation and solid-solid reaction

Joel Cabañero, Stephanie Ann Bermudez, Romelyn Jane Obiles, Armando Somintac

SPP2012-6C-4
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Fabrication and characterization of Indium Oxide heterojunction photodiodes on p-Silicon(111)

Renebeth Payod, Clairecynth Yu, Daniel Vasquez, Joseph Christopher Ragasa, Mae Agatha Tumanguil, Neil Irvin Cabello, Fritz Christian Awitan, Armando Somintac, Arnel Salvador

SPP2012-6C-5
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Optics

Optical lithography under broadband excitation

Paul Leonard Hilario, Giovanni Tapang

SPP2012-1C-1
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Terahertz emission imaging and time-domain spectroscopy

Lean Dasallas, Francesca Isabel De Vera, Paul Leonard Hilario, Rose Marie Terio, Ray Vargas, Joselito Muldera, Elmer Estacio, Arnel Salvador

SPP2012-1C-2
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Precise reconstruction distance in digital holography using focus quantifiers

Jae Lord Dexter Filipinas, Percival Almoro

SPP2012-1C-3
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Spectroscopic measurements of the excitation temperature and electron ensity of a Helium discharge lamp

Krizia Isabel Lampa, Joshua Beringuela, Wilson Garcia

SPP2012-1C-4
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Optical wavelength tuning with a fluidic grating

Sarah Jaye Oliva, Raphael Guerrero

SPP2012-1C-5
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Zero order diffraction suppression in phase-only hologram reconstruction

Paul Leonard Atchong Hilario, Wynn Dunn Gil Improso, Giovanni Tapang

SPP2012-3A-1
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Mode dynamics in VCSELs with feedback

Luvieline Aeriel Constantino, Paul Leonard Atchong Hilario, Giovanni Tapang

SPP2012-3A-2
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Nanometrically stabilized tight focusing and its applications to ultrafast tip-enhanced spectroscopy

Norihiko Hayazawa, Satoshi Kawata

SPP2012-3A-3
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Interferometry using deterministic phase retrieval and speckle illumination

Francesca Celine Catalan, Percival Almoro

SPP2012-3A-4
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Coherence length measurement for femtosecond lasers using digital holography and statistical fringe analysis

Esmerando Escoto, Percival Almoro

SPP2012-3A-5
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X-ray imaging with Talbot effect

Francesca Isabel de Vera, Roland Sarmago

SPP2012-6B-1
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Application of ZnO scintillator as high spatial resolution in-situ imaging device for soft x-ray laser

Ryosuke Sogi, Tomoharu Nakazato, Toshihiko Shimizu, Kohei Yamanoi, Kohei Sakai, Kohei Takeda, Ryosuke Nishi, Yuki Minami, Marilou Cadatal-Raduban, Nobuhiko Sarukura, Hiroaki Nishimura, Hiroshi Azechi, Tsuguo Fukuda, Momoko Tanaka, Masaharu Nishikino, Tetsuya Kawachi

SPP2012-6B-2
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Watermarking of reconstructed wavefronts

Justine Patricia Carpio, Percival Almoro

SPP2012-6B-3
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Particle size distribution on Nd:YAG films deposited via femtosecond pulsed laser deposition

Lean Dasallas, Wilson Garcia

SPP2012-6B-4
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Wavefront reconstruction using single-beam phase-shifting speckle illumination

Anne Margarette Maallo, Percival Almoro

SPP2012-6B-5
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Physics Education and Biological Physics

Introductory College Physics students’ pre conceptual ideas on measurement

Juzzel Ian Zerrudo, Karl Simon Revelar

SPP2012-2A-1
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VISSER: Enhancing Science education through hands-on experiments

Ranzivelle Marianne Roxas-Villanueva, Gay Jane Perez, Romarie Lorenzo, Nelio Altoveros, Giovanni Tapang, Romel Gomez

SPP2012-2A-2
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Effectiveness of simulation and computer assisted instruction (CAI) on the performance of students under semi regimental training on selected topics in Physics II

Jose Barlis, Josefin Fajardo

SPP2012-2A-3
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Hydroxyapatite extraction from bio waste: The influence of porcine bone particle size

Gianina Martha Anit, Ryan Bonifacio, John Kenneth Cruz, Arlene Kris Go, Jill Manapat, Armando Somintac

SPP2012-2A-4
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Effect of humidity on the simultaneous detection of carbon dioxide and ethylene in CO₂ laser-based photoacoustic spectroscopy

Xavier Bacalla, Raymund Sarmiento

SPP2012-2A-5
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Plasma Physics

Angular distribution measurement of low-energy beam ions

Magdaleno Vasquez, Shinnosuke Tokumura, Toshiro Kasuya, Shuichi Maeno, Motoi Wada

SPP2012-2B-1
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Diagnostics of microwave – induced atmospheric pen plasma

Ma. Camille Lacdan, Leo Mendel Rosario, Henry Lee, Julie Anne Ting, Henry Ramos, Roy Tumlos

SPP2012-2B-2
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Bacterial inactivation of Bacillus subtilis using microwave atmospheric pen plasma (APP)

Jenica Rozette Uy, Joey Kim Soriano, Camille Faith Romero, Leo Mendel Rosario, Henry Lee, Julie Anne Ting, Henry Ramos, Maria Auxilla Siringan, Roy Tumlos

SPP2012-2B-3
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Oxygen plasma treatment of low density polyethylene (LDPE) using a DC source Ion Shower Equipment

Jeremiah Chan, Henry Ramos, Alberto Amorsolo

SPP2012-2B-4
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Development of a Bernas-type ion source with an AC current driven filament cathode

Naoki Miyamoto, Yuki Takahashi, Toshiro Kasuya, Motoi Wada

SPP2012-2B-5
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Plasma excitation by RF power and extraction of negative ions from produced plasmas

Motoi Wada, Toshiro Kasuya, Shuichi Kato, Takahiro Kenmotsu, Shuichi Maeno, Naoki Miyamoto, Masaki Nishiura, Mamiko Sasao, Magdaleno R. Vasquez, Jr., Hitoshi Yamaoka

SPP2012-5B-1
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Constriction of Ar/N₂ plasma flame using tapered nozzles

Leo Mendel Rosario, Julie Anne Ting, Ma. Camille Lacdan, Henry Lee, Henry Ramos, Roy Tumlos

SPP2012-5B-2
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Ion production in a magnetized filament ion source

Glynnis Mae Q. Saquilayan, Ivan B. Culaba

SPP2012-5B-3
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Effect of oxygen content in Tin Oxide thin film deposition on Silicon substrates using a sheet plasma negative ion source

Aubrey Faith Mella, Michelle Marie Villamayor, Rommel Paulo Viloan, Henry Ramos

SPP2012-5B-4
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Atmospheric microwave plasma cleaning of oil-contaminated aluminum surface

Erin Joy Tinacba, Julie Anne Ting, Roy Tumlos, Henry Lee, Leo Mendel Rosario, Henry Ramos

SPP2012-5B-5
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Instrumentation Physics

TiO₂ nanotube-based gas sensor at room temperature

Marleane Rovi Ferrer, Julie Ann Lebitania, Laureen Ida Ballesteros, Christopher Jude Vergara

SPP2012-4A-1
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Raman spectroscopy of exfoliated graphene sheets and chemically-modified graphene samples

Christine Joy Querebillo, Erwin Enriquez, Armando Somintac, Arnel Salvador

SPP2012-4A-2
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Photoluminescence excitation of GaAs/AlGaAs single quantum wells

Sheryl Ann Vizcara, Jessica Pauline Afalla, Kaye Ann de las Alas, Maria Herminia Balgos, Rafael Jaculbia, Arnel Salvador, Armando Somintac

SPP2012-4A-3
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Raman scattering spectroscopy of harvested silicon nanowires

Joseph Christopher Ragasa, Neil Irvin Cabello, Jessica Pauline Afalla, Kaye Ann delas Alas, Armando Somintac

SPP2012-4A-4
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Effect of viscosity on electrical property of low temperature

Ana Celine del Rosario, Marianne Lorene Macailing, Armando Somintac, Thomas Tinsay

SPP2012-4A-5
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Theoretical Physics

The effect of RF distribution on the implementation of quantum CN gate in an Ising spin chain

Neris Ilano, Cristine Villagonzalo, Ronald Banzon

SPP2012-2C-1
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Harmonic superposition of polarized light: energy-momentum via geometric algebra

Christian Laurio, Quirino Sugon, Daniel McNamara

SPP2012-2C-2
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Spin-polaron theory in Kubo formulation

Maria Michiko Alcanzare, Danilo Yanga, Jose Perico Esguerra

SPP2012-2C-3
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Beyond-all-order asymptotics of integral transforms by distributional approach and physical examples

Kay Marie Martinez, Eric Galapon

SPP2012-2C-4
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Quantum scattering of an exactly solvable anisotropic potential in paraboloidal coordinate systes

Philip Jordan Blancas, Eric Galapon

SPP2012-2C-5
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Position probability and moment generating function of directionally biased persistent random walk with pauses

Jose Perico Esguerra, Ephraim Jabneel Eisma, Maria Michiko Alcanzare

SPP2012-3B-1
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Supersymmetry breaking via scalar sterile neutrino

Kristian Hauser Villegas

SPP2012-3B-2
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Multivalued behavior for analysis a two-level method system using homotopy

Angelo Aquino, Luis Ma. Bo-ot

SPP2012-3B-3
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Mass spectrum of bosonic strings with sink

Diandrew Lexter Dy, Jose Perico Esguerra

SPP2012-3B-4
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The Time of Arrival Operator for the free particle case in L²(−∞,∞)

Joseph Raphael Bunao, Eric Galapon

SPP2012-3B-5
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Mean solution of the noisy Duffing equation

Kendrick Agapito, Jose Perico Esguerra

SPP2012-5A-1
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Exact time evolution of a 4-qubit system in a common reservoir and its influence on bipartite entanglement dynamics

Marvin Flores, Eric Galapon

SPP2012-5A-2
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Apparent suppression of quantum observable conjugacy through joint weak measurements

Eliel Paglinawan, Eric Galapon

SPP2012-5A-3
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Wave function structure and quantum Time-of-Arrival

Jonathan Gonzales, Anthony Villanueva, Eric Galapon

SPP2012-5A-4
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Ground state analysis of Tonks-Girardeau gas in a harmonic and Gaussian double-well potential by perturbation method

Jayson Cosme, Jose Perico Esguerra

SPP2012-5A-5
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Computational Physics and Signal Processing

Percolation critical exponent of a constrained lattice

Micielle Capili, Ronald Banzon, Cristine Villagonzalo

SPP2012-4C-1
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Estimation of DNA damage yields in BNCT by Monte Carlo track structure simulation

Masaaki Kaburagi, Ritsuko Watanabe, Akinari Yokoya, Mitsuru Uesaka

SPP2012-4C-2
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Axial localization of phase objects using a statistical contrast algorithm

Timothy Joseph Abregana, Percival Almoro

SPP2012-4C-3
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Determination of diffusion coefficient via wavelet correlation

Mar Philip Elaurza, Cindy Esporlas, Giovanni Tapang, Caesar Saloma

SPP2012-4C-4
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Three-dimensional modeling through tomographic reconstruction with fringe projection profilometry

Michael Lawrence Castañares, Francis Tallo, Rhodesa Cruzet, Renante Violanda

SPP2012-4C-5
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Poster Session PA

Synset subnetworks in translations

Ma. Christina Jamerlan, Josephine Jill Cabatbat, Giovanni Tapang

SPP2012-PA-1
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Rhyming motif frequency of English poems, prose and random texts

Maelori Krista Nambatac, Josephine Jill Cabatbat, Ranzivelle Marianne Roxas-Villanueva, Giovanni Tapang

SPP2012-PA-2
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The potential impacts of climate change on rice production in the Philippines

Patricia Mae Bonife, Gemma Teresa Narisma

SPP2012-PA-3
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Popularity of personalities in society as driven by news

Abigail Mae Jayin, Anjali Tarun, Rene Batac, Erika Fille Legara, Johnrob Bantang

SPP2012-PA-4
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Comprehensibility, readability and sub-network deletion in semantic networks

Pamela Anne Pasion, Josephine Jill Cabatbat, Giovanni Tapang

SPP2012-PA-5
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Asymmetric collapse and two-dimensional spreading of a binary granular column

Anjali Tarun, Abigail Mae Jayin, Rene Batac, Anthony Longjas, Johnrob Bantang

SPP2012-PA-6
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Weight distribution and modularity of the co-authorship network of the 8^th -14^th Philippine Congresses

Gabriel Dominik Sison, Nicole Valdez, Josephine Jill Cabatbat, Giovanni Tapang

SPP2012-PA-7
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Contact infection epidemics in a random geometric network using cellular automata model

Katherine Anne Bulan, Johnrob Bantang

SPP2012-PA-8
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Complexity in human online communication: analysis and modeling of sending patterns in email and Twitter

Aivin Solatorio, May Lim

SPP2012-PA-9
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Movement patterns of random walkers with a turning angle preference

Gilian Uy, Reniel Cabral, May Lim

SPP2012-PA-10
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Characterizing wind resources in the Philippines: Historical analysis

Sammy Chua, Gemma Teresa Narisma

SPP2012-PA-11
Characterization of the role of fluctuations in predator-prey dynamics driven by demographic stochasticity

Karlo Palenzuela, Earl Juanico

SPP2012-PA-12
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4-year spatiotemporal analysis of daily climatic factors and hospitalizations

Aimee Braga Rarugal, Josephine Jill Cabatbat, Ranzivelle Marianne Roxas-Villanueva, Giovanni Tapang

SPP2012-PA-13
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Investigating the effect of monthly climate factors to the causes of patient confinement in Abra

Debinya Buenafe, Aimee Rarugal, Menandro Buenafe, Giovanni Tapang

SPP2012-PA-14
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Efficiency of Super-Large Hadron Collider (SLHC) Level 1 Calorimeter Trigger in Detecting Charged Higgs to Taus (H^± → τ⁺ ν_τ)

Lemuel Pelagio, Caesar Palisoc

SPP2012-PA-15
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CERN Project Report: Performance Characterization of the Upgraded CMS Tracker

Tracker Romnick Mislang, Caesar Palisoc

SPP2012-PA-16
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Minimum detection limit of the Sodium Iodide (NaI) field gamma spectrometer instrument in thyroid radioactivity intake measurement

Christian S. Valgomera, Kate Ann R. Esguerra, Joniel F. Rumbawa, Reynold V. Luna, Kristine Marie D. Romallosa, Estrella S. Caseria

SPP2012-PA-17
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Radiation forces exerted on a microsphere by a broadband Gaussian beam

Kristine Faith Roque, Paul Leonard Atchong Hilario, Giovanni Tapang

SPP2012-PA-18
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Phase encoding limitation of spatial light modulator

Maria Eloisa Ventura, Paul Leonard Atchong Hilario, Giovanni Tapang

SPP2012-PA-19
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Dynamics of a large dielectric particle in a dual optical trap

Michael Lawrence Castañares, Lester Geonzon, Michael Gavriel Reyes, Renante Violanda, Rommel Bacabac

SPP2012-PA-20
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Correction of Bessel beam aberrations using a phase-only spatial light modulator

Paul Leonard Hilario, Maria Eloisa Ventura, Kristine Faith Roque, Giovanni Tapang, Caesar Saloma

SPP2012-PA-21
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Femtosecond pulsed laser ablation of graphite on silicon

Jessa Jayne Miranda, Lean Dasallas, Wilson Garcia

SPP2012-PA-22
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Photoluminescence line-shape and intensity dependence on number of wells of GaAs-AlGaAs multiple quantum wells

Rhenish Simon, Jessica Afalla, Elmer Estacio, Armando Somintac

SPP2012-PA-23
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Simulation of the experimental electric potential of Einzel lens and kinetic energy of gold ion to focus the ion beam in plasma sputter-type negative ion source

Hannah Shamina Cosiñero, Aiko Love del Rosario, Christian Lorenz Mahinay, Meryll Angelica Viernes

SPP2012-PA-24
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Comparison of the output power of a 2.45 GHz continuous wave magnetron using power meter and calorimetric measurements

Aren Renz Centeno, Henry Lee, Leo Mendel Rosario, Roy Tumlos

SPP2012-PA-25
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Fungal sterilization via microwave atmospheric pen plasma (APP)

Joey Kim Soriano, Leo Mendel Rosario, Ma. Camille Lacdan, Henry Lee, Julie Anne Ting, Henry Ramos, Maria Auxilla Siringan, Roy Tumlos

SPP2012-PA-26
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Hydrophilic and hydrophobic glass by direct current glow discharge low pressure plasma treatment

Joanna Abigael Daseco, Karel Pabelina, Henry Ramos, Armando Somintac

SPP2012-PA-27
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Minimizing buckles on the surface of thin films on elastomeric substrates using oblique angle deposition

Artoni Kevin Ang, Ivan Culaba

SPP2012-PA-28
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Comparison of High Dynamic Range images rendered via Response function recovery, Adobe Photoshop CS5 and Matlab

Michelle Marie Villamayor, Henry Ramos, Maricor Soriano

SPP2012-PA-29
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Area calibration of an underwater camera for coral cover estimation

Meryl Regine Algodon, Maricor Soriano

SPP2012-PA-30
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Application of shadow rugosity for block segmentation of coral panoramas

Chris Eric Limos, Maricor Soriano

SPP2012-PA-31
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Trajectory tracking in a wide field using two fixed cameras and neural network

Maria Isabel Saludares, Phoebe Gallanosa, Alix Jean Santos, Maricor Soriano

SPP2012-PA-32
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Poster Session PB

Fabrication of AlN/Air-gap distributed Bragg reflectors from wet etching of sacrificial Aluminum layers

Jonathan Ray Abat, Nemesio Mangila, Arnel Salvador, Armando Somintac

SPP2012-PB-1
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Reciprocal space maps and Raman phonon modes of GaAs-AlGaAs core-shell nanowires grown on Si (111) substrate

Peter Jeffrey Maloles, Mae Agatha Tumanguil, Aleena Maria Laganapan, Jasher John Ibañes, Ma. Herminia Balgos, Ma. Charmaine Joie Gawaran, Arnel Salvador, Armando Somintac

SPP2012-PB-2
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Effect of temporal and spatial resolution on the apparent diffusion coefficient and mean free path of a Brownian particle

Norman Mascarinas, Paul Leonard Atchong Hilario, Giovanni Tapang, Caesar Saloma

SPP2012-PB-3
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Fabrication and characterization of laterally - graded Distributed Bragg Reflector based on porous silicon

Maria Angela Faustino, Lorenzo Lopez, Michaelrey Cainglet, R.S. Oquias, A.I. Mabilangan, Arnel Salvador, Armando Somintac

SPP2012-PB-4
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Effect of sintering temperature on composition and critical temperature of Bi₂Sr_1.7Mn_0.3CaCu₂O_8+Î´

Carl Santiago, Jamaica Pangasinan, Roland Sarmago

SPP2012-PB-6
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Model Fitting of bulk GdBa₂Cu₃O_7−δ sample at the imaginary component of AC magnetic susceptibility

Shielo Namuco, Roland Sarmago

SPP2012-PB-7
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Surface morphological characteristics of electrophorically Deposited Bi-2212 on Ag-coated MgO Substrate after Melt-Quenching and Post-annealing

Louisse Anne Fulgencio, Roland Sarmago

SPP2012-PB-8
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Evaluation of the influence of Carbonyl indexes on adhesion of O₂ plasma PECVD treated Polypropylene sheets on CuO

Melissa Angelica Camacho, Armando Somintac, Henry Ramos

SPP2012-PB-9
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Charge pattern writing on ZnO microribbon using conductive AFM tips

Michael Francis Permejo, Bess Singidas, Luce Vida Sayson, Ray Vargas, Roland Sarmago

SPP2012-PB-10
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Investigation of the effect of Mn²⁺ doping on Bi₂Sr_2-xMn_xCaCu₂O_y

Leonalyn Bambao, Roland Sarmago

SPP2012-PB-11
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Fabrication and characterization of zinc oxide thin films through spray pyrolysis technique

Jefferson Abrenica, Annaliza Amo, Heinritz Miguel, Armando Somintac, Arnel Salvador

SPP2012-PB-12
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Synthesis of copper nanowires via electrochemical deposition on porous Alumina

Mark Jayson Felix, Mc Guillis Kim Ramos, Alexis Karla Garcia, Jamaica Pangasinan, Horace Andrew Husay, Armando Somintac

SPP2012-PB-13
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Comparison of annealing temperature on the luminescent spectra of ZnO rods

Alexandra Santos, Ray Vargas, Roland Sarmago, Kohei Yamanoi, Marilou Cadatal-Raduban, Toshihiko Shimuzu, Nobuhiko Sarukura

SPP2012-PB-14
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Unknotting times and survival rates of knotted ball-chains on a vibrating platform

Josemaria Grana, Wilson Garcia

SPP2012-PB-15
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Apparent superluminal motion of a revolving subluminal body

Miguel Antonio Fudolig, Jose Perico Esguerra

SPP2012-PB-16
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Optical appearance of a collapsing object as seen by a radially infalling observer

Jan Tristram Acuña, Michael Reuben Solis

SPP2012-PB-17
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Quantum scattering of the wave-packet confined in anisotropic paraboloidal shell potential

Philip Jordan Blancas, Eric Galapon

SPP2012-PB-18
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A proof-of-concept p-n junction silicon nanowire photodetector device

Neil Irvin Cabello, Joseph Christopher Ragasa, Niel Gabriel Saplagio, Nemesio Mangila, Marvin Laguerta, Fritz Christian Awitan, John Daniel Vasquez, Jonathan Azares, Joselito Muldera, Arnel Salvador, Armando Somintac

SPP2012-PB-19
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Enhancement of the THz emission of Si wafers by the deposition of ZnO films

Melvin John Empizo, Maria Michiko Alcanzare, Jan Isaac Bugante, Aleena Maria Laganapan, Mayraluna Lao, Maria Herminia Balgos, Rafael Jaculbia, Joselito Muldera, Armando Somintac, Arnel Salvador, Roland Sarmago, Elmer Estacio

SPP2012-PB-20
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Effect of dopant concentration and deposition time on the properties of fluorine-doped tin oxide (FTO) film deposited via spray pyrolysis

Jeremiah Chan, Florencio De los Reyes, Clairecynth Yu, Lance Go, Armando Somintac

SPP2012-PB-21
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Terahertz emission from a double asymmetric quantum well p-i-n structure

Jonathan Ray Abat, Eloise Anguluan, Kaye Ann de las Alas, Arvin Mabilangan, Renebeth Payod, Joselito Joselito, Arnel Salvador, Armando Somintac, Elmer Estacio

SPP2012-PB-24
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Structural and morphological analysis of Zn-Doped Anatase TiO₂ using precipitation method

Carlo Jose Garcia, Armando Somintac

SPP2012-PB-22
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Strong THz emission from an LTG-GaAs/n-GaAs/SI-GaAs epitaxial layer

Elizabeth Ann Prieto, Jasher John Ibanes, Ramon delos Santos, Reniel Cabral, Rainier Awayan, Joselito Muldera, Maria Herminia Balgos, Rafael Jaculbia, Armando Somintac, Arnel Salvador, Elmer Estacio

SPP2012-PB-23
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Influence of the temperature on the properties of indium oxide obtained via wet oxidation method

Clairecynth Yu, Shiela Crosby, Celestino Borja, Fritz Christian Awitan, Mae Agatha Tumanguil, Armando Somintac, Arnel Salvador

SPP2012-PB-25
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Stimulus-driven consensus of allelomimetic agents in a confined lattice environment

Jen-Jen Manuel, Jesus Felix Valenzuela

SPP2012-PB-26
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Synthesis of Bi₂Sr₂CaCu₂O_8+Î´ (Bi-2212) superconducting film through sedimentation, melt-quenching and post-annealing assisted with Potassium Chloride (KCl)

Benjamin Villaflor, Jan Isaac Bugante, Roland Sarmago

SPP2012-PB-27
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Morphology and low AC field magnetic susceptibility of Y(Ba_2-x,Mn_x)Cu₃O₇

Ana Marie Geronimo, Jerine Amado, Roland Sarmago

SPP2012-PB-28
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Determining thermo-optic coefficients of wide band-gap thin films via thermoelectric effect

Evan Angelo Quimada Mondarte, Nemesio Mangila, Armando Somintac

SPP2012-PB-29
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Modified silica superhydrophobic coating on stainless steel

Lyn Marie De Juan, Ryan Corpuz, Armando Somintac

SPP2012-PB-30
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