The short-range order in vitreous Ge 1؊x Se x (2/34 4x4 41) at 80 K was studied by EXAFS spectroscopy at the Ge and Se K-edges. The results were analyzed using theoretical phase shift and amplitude functions and by comparison to crystalline GeSe 2 and Se as model compounds. The GeSe 4 tetrahedron is
✦ LIBER ✦
Short-range structure and chemical order in In–Ge sulfide and selenide glasses by X-ray absorption fine structure spectroscopy
✍ Scribed by S. Sen; B.G. Aitken; S. Khalid
- Book ID
- 116668570
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 239 KB
- Volume
- 351
- Category
- Article
- ISSN
- 0022-3093
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main extends from GeS 2 to the composition with n ϭ 0.55 Glasses belonging to the Ga 2 S 3 -GeS 2 line are studied at room (n ϭ Ga/(Ga ϩ Ge)). The XAFS spectroscopy (X-ray temperature and at 7 K by XAFS spectroscopy at Ga and Ge absorption fine structure) is well suited to investigate sepa-K-edges.