Structure Analysis of δ-phase in Sb-Te Alloys by HRTEM

Yoshiyuki Nakata; Takehito Suenaga; Megumi Ejiri; Shigenari Shida; Katsuhiko Tani; Noriyuki Yiwata; Hiroko Tashiro

doi:10.2320/matertrans.45.2673

Yoshiyuki Nakata, Takehito Suenaga, Megumi Ejiri, Shigenari Shida, Katsuhiko Tani, Noriyuki Yiwata, Hiroko Tashiro

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Keywords: crystal structure, antimony-tellurium alloys, high resolution transmission electron microscopy, lattice displacement wave, optical disc

JOURNAL FREE ACCESS

2004 Volume 45 Issue 8 Pages 2673-2677

DOI https://doi.org/10.2320/matertrans.45.2673

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Abstract

The crystal structure of δ-phase in the Sb-Te binary system was investigated by high-resolution transmission electron microscopy. The observed high-resolution images could be described by a simple rhombohedral structure with the lattice displacement wave (LDW). The wavelength of LDW was slightly longer than double the (111) plane in the rhombohedral structure, and increased slightly with increasing Te concentration.

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