New Method to Measure Structural Disorder: Application to GeO2 Glass

D. E. Sayers; E. A. Stern; F. W. Lytle

doi:10.1103/PhysRevLett.35.584

New Method to Measure Structural Disorder: Application to GeO2 Glass

D. E. Sayers
, E. A. Stern
, F. W. Lytle

University of Washington
Boeing

Research output: Contribution to journal › Article › peer-review

77 Scopus citations

Abstract

A new method is presented for measuring thermal or structural disorder. The additional disorder in the first Ge-O and Ge-Ge distances in amorphous GeO2 was measured by comparison with crystalline (-quartz) GeO2, and showed no additional disorder in the Ge-O distances but deviations in the Ge-Ge distance consistent with a 6.5° variation about a Ge-O-Ge bond angle of 130°. These results rule out the proposed microcrystalline models.

Original language	English
Pages (from-to)	584-587
Number of pages	4
Journal	Physical Review Letters
Volume	35
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.35.584
State	Published - 1975
Externally published	Yes

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10.1103/PhysRevLett.35.584

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title = "New Method to Measure Structural Disorder: Application to GeO2 Glass",

abstract = "A new method is presented for measuring thermal or structural disorder. The additional disorder in the first Ge-O and Ge-Ge distances in amorphous GeO2 was measured by comparison with crystalline (-quartz) GeO2, and showed no additional disorder in the Ge-O distances but deviations in the Ge-Ge distance consistent with a 6.5° variation about a Ge-O-Ge bond angle of 130°. These results rule out the proposed microcrystalline models.",

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AB - A new method is presented for measuring thermal or structural disorder. The additional disorder in the first Ge-O and Ge-Ge distances in amorphous GeO2 was measured by comparison with crystalline (-quartz) GeO2, and showed no additional disorder in the Ge-O distances but deviations in the Ge-Ge distance consistent with a 6.5° variation about a Ge-O-Ge bond angle of 130°. These results rule out the proposed microcrystalline models.

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New Method to Measure Structural Disorder: Application to GeO2 Glass

Abstract

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