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- Title
Local structure of amorphous tellurium studied by EXAFS.
- Authors
Hiroyuki Ikemoto; Takafumi Miyanaga
- Abstract
The local structure of an amorphous tellurium (a-Te) film was investigated by extended X-ray absorption fine-structure analysis. The covalent bond length shortens and the Debye--Waller factor of the intra-chain decreases in a-Te compared with trigonal Te (t-Te). The value of the intra-chain coordination number is close to two, which is the value for t-Te, and the inter-chain interaction weakens. These results suggest that the primary chain structure remains intact, but the secondary structure is disrupted. The decrease in the inter-chain interaction strengthens the intra-chain interaction.
- Subjects
TELLURIUM; X-ray reflection; CATHODE rays; ELECTROMAGNETIC waves; CHEMICAL bond lengths
- Publication
Journal of Synchrotron Radiation, 2014, Vol 21, Issue 2, p409
- ISSN
0909-0495
- Publication type
Article
- DOI
10.1107/S1600577513032748