Conductivity spectra in fast ion conducting glasses: Mobile ions contributing to transport process

被引：55

作者：

Bhattacharya, S ^{[1
]}

Ghosh, A ^{[1
]}

机构：

[1] Indian Assoc Cultivat Sci, Dept Solid State Phys, Kolkata 700032, W Bengal, India

来源：

PHYSICAL REVIEW B | 2004年 / 70卷 / 17期

关键词：

D O I：

10.1103/PhysRevB.70.172203

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this Brief Report, we have investigated the conductivity spectra at different temperatures for the model glasses (AgI)(x)-(AgPO3)((1-x)), 0less than or equal toxless than or equal to0.6 and estimated mobile Ag+ ions contributing to the transport process. We have shown that a fraction of the total Ag+ ions contribute to the transport process. We have further observed that the fraction of Ag+ ions contributing to the transport process is independent of temperature as well as the AgI content. The mobility of Ag+ ions increases, leading to an enhancement of the conductivity due to AgI doping. These results are highly important in order to reveal the role of AgI for ion transport in fast ion conducting glasses.

引用

页码：1 / 4

页数：4

共 41 条

[1] ANOMALOUS CONDUCTIVITY PREFACTORS IN FAST ION CONDUCTORS [J].

ALMOND, DP ;

WEST, AR .

NATURE, 1983, 306 (5942) :456-457

[2] MOBILE IONS IN AMORPHOUS SOLIDS [J].

ANGELL, CA .

ANNUAL REVIEW OF PHYSICAL CHEMISTRY, 1992, 43 :693-717

[3] FAST ION MOTION IN GLASSY AND AMORPHOUS MATERIALS [J].

ANGELL, CA .

SOLID STATE IONICS, 1983, 9-10 (DEC) :3-16

[4] THE DYNAMIC STRUCTURE MODEL FOR ION-TRANSPORT IN GLASSES [J].

BUNDE, A ;

INGRAM, MD ;

MAASS, P .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 1994, 172 (pt 2) :1222-1236

[5] THE RANDOM FREE-ENERGY BARRIER MODEL FOR AC CONDUCTION IN DISORDERED SOLIDS [J].

DYRE, JC .

JOURNAL OF APPLIED PHYSICS, 1988, 64 (05) :2456-2468

[6] DIRECT EXPERIMENTAL-DETERMINATION OF THE CROSSOVER FREQUENCY BETWEEN PHONON AND FRACTON REGIMES AND ITS SCALING BEHAVIOR IN SUPERIONIC SILVER BORATE GLASSES [J].

FONTANA, A ;

ROCCA, F ;

FONTANA, MP .

PHYSICAL REVIEW LETTERS, 1987, 58 (05) :503-506

[7]

Grande T, 1997, PHYS CHEM GLASSES, V38, P327

[8] ESTIMATION OF THE FREE-CHARGE-CARRIER CONCENTRATION IN FAST-ION CONDUCTING NA2S-B2S3 GLASSES FROM AN ANALYSIS OF THE FREQUENCY-DEPENDENT CONDUCTIVITY [J].

HAIRETDINOV, EF ;

UVAROV, NF ;

PATEL, HK ;

MARTIN, SW .

PHYSICAL REVIEW B, 1994, 50 (18) :13259-13266

[9] WINDOW EFFECT IN THE ANALYSIS OF FREQUENCY-DEPENDENCE OF IONIC-CONDUCTIVITY [J].

JAIN, H ;

HSIEH, CH .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 1994, 172 :1408-1412

[10]

Jonscher A., 1983, DIELECTRIC RELAXATIO

← 1 2 3 4 5 →