Substrate temperature effect on structural properties of Bi 2Te 3 thin films

Bhakti Jariwala, D. V. Shah, Vipul Kheraj

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5 Scopus citations

Abstract

Structural properties of Bi 2Te 3 thin films, thermally evaporated on well-cleaned glass substrate at different substrate temperature, are reported here. X-ray diffraction was carried out for the structural characterization. XRD pattern of the films exhibits preferential orientation along the [0 1 5] direction for the films of all the substrate temperature together with other supported planes [2 0 5] & [1 1 0]. All deposition conditions like thickness, deposition rate and pressure were maintained throughout the experiment. X-ray diffraction lines confirm that, the grown films are polycrystalline in nature with the hexagonal crystal structure. The effect of substrate temperature on these parameters have been investigated and reported in this paper. Various structural parameters such as lattice constants, grain size, micro strain, number of crystallites, stacking fault and dislocation density were calculated using X-ray diffraction analysis.

Original languageEnglish (US)
Pages (from-to)101-105
Number of pages5
JournalJournal of Nano- and Electronic Physics
Volume3
Issue number1 PART1
StatePublished - Dec 1 2011

All Science Journal Classification (ASJC) codes

  • Radiation
  • Materials Science(all)
  • Condensed Matter Physics

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