Medium-range order in glasses: Comparison of Raman and diffraction measurements

A. P. Sokolov; A. Kisliuk; M. Soltwisch; D. Quitmann

doi:10.1103/PhysRevLett.69.1540

Medium-range order in glasses: Comparison of Raman and diffraction measurements

A. P. Sokolov
, A. Kisliuk
, M. Soltwisch
, D. Quitmann

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

392 Scopus citations

Abstract

The correlation lengths of vitreous structures estimated from the low-frequency (boson) peak in Raman spectra and from the width of the first sharp diffraction peak are compared. This first comparison shows that the two estimates, which are based on dynamic and static properties, respectively, are in good quantitative agreement. The present result supports the concepts that (a) a decisive scale for structural order in glasses is 10, and (b) the low-frequency excitations are defined by the characteristic length in vitreous structures.

Original language	English
Pages (from-to)	1540-1543
Number of pages	4
Journal	Physical Review Letters
Volume	69
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevLett.69.1540
State	Published - 1992
Externally published	Yes

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title = "Medium-range order in glasses: Comparison of Raman and diffraction measurements",

abstract = "The correlation lengths of vitreous structures estimated from the low-frequency (boson) peak in Raman spectra and from the width of the first sharp diffraction peak are compared. This first comparison shows that the two estimates, which are based on dynamic and static properties, respectively, are in good quantitative agreement. The present result supports the concepts that (a) a decisive scale for structural order in glasses is 10, and (b) the low-frequency excitations are defined by the characteristic length in vitreous structures.",

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year = "1992",

doi = "10.1103/PhysRevLett.69.1540",

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AU - Sokolov, A. P.

AU - Kisliuk, A.

AU - Soltwisch, M.

AU - Quitmann, D.

PY - 1992

Y1 - 1992

N2 - The correlation lengths of vitreous structures estimated from the low-frequency (boson) peak in Raman spectra and from the width of the first sharp diffraction peak are compared. This first comparison shows that the two estimates, which are based on dynamic and static properties, respectively, are in good quantitative agreement. The present result supports the concepts that (a) a decisive scale for structural order in glasses is 10, and (b) the low-frequency excitations are defined by the characteristic length in vitreous structures.

AB - The correlation lengths of vitreous structures estimated from the low-frequency (boson) peak in Raman spectra and from the width of the first sharp diffraction peak are compared. This first comparison shows that the two estimates, which are based on dynamic and static properties, respectively, are in good quantitative agreement. The present result supports the concepts that (a) a decisive scale for structural order in glasses is 10, and (b) the low-frequency excitations are defined by the characteristic length in vitreous structures.

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U2 - 10.1103/PhysRevLett.69.1540

DO - 10.1103/PhysRevLett.69.1540

M3 - Article

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JO - Physical Review Letters

JF - Physical Review Letters

IS - 10

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Medium-range order in glasses: Comparison of Raman and diffraction measurements

Abstract

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