Effects of structural disorder and Urbach's rule in binary lead silicate glasses / Weinstein I.A., Zatsepin A.F., Kortov V.S. // Journal of Non-Crystalline Solids. - 2001. - V. 279, l. 1. - P. 77-87.

ISSN:

00223093

Type:

Article

Abstract:

The behavior of optical spectra of PbO-SiO2 glasses with different concentrations of lead near the UV absorption edge was analyzed at temperatures from 80 to 470 K. A generalized formulation of modified Urbach's rule (MUR), which is applicable to glassy materials within a broad temperature interval, was proposed for interpretation of the experimental spectral dependences. The effective energy of phonons responsible for the temperature shift of the Urbach edge was calculated in terms of the approach used. It was shown that spectral and temperature parameters of MUR are structure-sensitive and their concentration behavior reflects the change in the type of short-range order in the glassy matrix.

Author keywords:

Index keywords:

Lead compounds; Light absorption; Phonons; Ultraviolet radiation; Lead silicate glass; Urbach's rule; Glass

DOI:

10.1016/S0022-3093(00)00396-3

Смотреть в Scopus:

https://www.scopus.com/inward/record.uri?eid=2-s2.0-0035151310&doi=10.1016%2fS0022-3093%2800%2900396-3&partnerID=40&md5=9e6a4ea92b5dffa4c8fa690ef0e01cfb

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Поле	Значение
Link	https://www.scopus.com/inward/record.uri?eid=2-s2.0-0035151310&doi=10.1016%2fS0022-3093%2800%2900396-3&partnerID=40&md5=9e6a4ea92b5dffa4c8fa690ef0e01cfb
Affiliations	Department of Physics and Technology, Ural Stt. Tech. Univ., 19 Mira S., Ekaterinburg, Russian Federation
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Correspondence Address	Weinstein, I.A.; Ural State Technical Univ, Ekaterinburg, Russian Federation
Publisher	Elsevier Science Publishers B.V., Amsterdam
CODEN	JNCSB
Language of Original Document	English
Abbreviated Source Title	J Non Cryst Solids
Source	Scopus