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Observation of long-range compositional fluctuations in glasses: Implications for atomic and electronic structure
- Source :
-
Micron . Aug2008, Vol. 39 Issue 6, p698-702. 5p. - Publication Year :
- 2008
-
Abstract
- Abstract: Experimental evidence for long-range compositional fluctuations in glasses is given. The implications for electronic structure and stoichiometry-induced structural variations are analyzed. These fluctuations were discovered by examining the spatial dependence of inner shell near-edge absorption spectra obtained using a 50nm diameter probe. This spectroscopy is sensitive to both angular and distance correlations in bonding. Comparisons with spectra from compositionally equivalent crystals, and multiple-scattering calculations which include core-hole effects are used to analyze the data. [Copyright &y& Elsevier]
- Subjects :
- *ATOMS
*SPECTRUM analysis
*ELECTRONIC structure
*CRYSTALLOGRAPHY
Subjects
Details
- Language :
- English
- ISSN :
- 09684328
- Volume :
- 39
- Issue :
- 6
- Database :
- Academic Search Index
- Journal :
- Micron
- Publication Type :
- Academic Journal
- Accession number :
- 33664791
- Full Text :
- https://doi.org/10.1016/j.micron.2007.10.014