Dielectric properties of PbO-P2O5-As2O3 glass system with Ga2O3 as additive

Baskaran  GS; Reddy  MVR; Rao  DKVeeralah  N

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Dielectric properties of PbO-P2O5-As2O3 glass system with Ga2O3 as additive

机译：Dielectric properties of PbO-P2O5-As2O3 glass system with Ga2O3 as additive

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PbO-P2O5-As2O3 glasses containing different concentrations of Ga2O3 (ranging from 0 to 5 mol) were prepared. Dielectric properties (constant epsilon', loss tan delta, ac conductivity sigma(ac) over a range of frequency and temperature) of these glasses have been investigated. The analysis of the results of these studies together with the data on spectroscopic studies (optical absorption, infrared and Raman spectra) indicated that there is a gradual transformation of gallium ions from octahedral positions to tetrahedral positions, as the concentration of Ga2O3 is increased up to 4.0 mol. Beyond this concentration, the tetrahedral occupancy of gallium ions however, seemed to be low. (C) 2007 Elsevier Ltd. All rights reserved.

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来源
《Solid State Communications》 |2008年第8期|401-406|共6页
作者
Baskaran GS; Reddy MVR; Rao DKVeeralah N;
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作者单位

Acharya Nagarjuna Univ, Dept Phys, Nuzvid 521201, India;

Osmania Univ, Dept Phys, Hyderabad 500007, Andhra Pradesh, India;

Acharya Nagarjuna Univ, Dept Phys, Nagarjuna Nagar 522510, Andhra Pradesh, India;

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正文语种英语
中图分类固体物理学;
关键词
glasses; dielectric properties; METAL OXIDE GLASSES; PHYSICAL-PROPERTIES; PHOSPHATE-GLASSES; STRUCTURAL ROLE; RAMAN-SPECTRA; CHROMIUM IONS; STABILITY; RELAXATION; DISPERSION; BEHAVIOR;

Dielectric properties of PbO-P2O5-As2O3 glass system with Ga2O3 as additive

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