Successive phase transitions in KLi(W1/2Mo1/2)O4 ceramic

被引：1

作者：

Choudhary, SN ^{[1
]}

Prasad, K

Choudhary, RNP

机构：

[1] Tilka Manjhi Bhagalpur Univ, Univ Dept Phys, Bhagalpur 812007, India

[2] Indian Inst Technol, Dept Phys & Meteorol, Kharagpur 721302, W Bengal, India

来源：

JOURNAL OF MATERIALS SCIENCE LETTERS | 1999年 / 18卷 / 06期

关键词：

Computer simulation - Grain size and shape - Lattice constants - Morphology - Permittivity - Phase transitions - Potassium compounds - Scanning electron microscopy - X ray diffraction analysis;

D O I：

10.1023/A:1006610918541

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Polycrystalline KLWM was prepared from guaranteed reagent-grade K2CO3, Li2CO3, WO3 and MoO3 using a high-temperature solid-state reaction technique. The resulting KLWM ceramic was characterized by using X-ray diffraction (XRD) and scanning electron microscope (SEM) techniques. Measurements of the dielectric constant and dielectric loss were carried out both as a function of frequency and temperature. The data obtained indicate that KLWM exhibits successive phase transitions and that the intermediate phases may be due to structural modulations along the polar axis.

引用

页码：501 / 503

页数：3

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