Phase compositions on a melt-quenched and post-annealed Bi-2212 sedimentation film

Authors

  • Benjamin Villaflor ⋅ PH National Institute of Physics, University of the Philippines Diliman
  • Jan Isaac Bugante ⋅ PH National Institute of Physics, University of the Philippines Diliman
  • Mel Anthony Duldulao ⋅ PH National Institute of Physics, University of the Philippines Diliman
  • Roland Sarmago ⋅ PH National Institute of Physics, University of the Philippines Diliman

Abstract

A Bi-2212 film prepared via sedimentation deposition with melt-quenching and post-annealing at 9500oC promotes formation of rods and spheroidal aggregates on its surface. Phase contrast imaging confirms that these precipitates are of different phase to Bi-2212. By EDX analysis, the spheroidal aggregates are seen to be Ca-rich, while the rods are (Sr,Ca)CuO2 compounds. EDX analysis on smooth parts of the film implies that they are of Bi-2212 composition. Through XRD analysis, the film was seen to be well c-axis oriented. Temperature vs. normalized resistance shows that the film has TC~86 K. 

 

SPP2011 Conference Proceedings Cover

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Published

2011-10-24

Issue

2011: Proceedings of the 29th Samahang Pisika ng Pilipinas National Physics Congress

Section

Condensed Matter and Materials Physics

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How to Cite

[1]
“Phase compositions on a melt-quenched and post-annealed Bi-2212 sedimentation film”, Proc. SPP, vol. 29, no. 1, pp. SPP2011–5C, Oct. 2011, Accessed: Apr. 08, 2026. [Online]. Available: https://proceedings.spp-online.org/article/view/SPP2011-5C-4