Shear elasticity and spontaneous twisting of the improper ferroelastic crystal K2Ba(NO2)4

被引：2

作者：

Gridnev, S. A.

Ivanov, O. N.

Vasil'eva, A. V.

Kirpichnikova, L. F.

机构：

[1] Voronezh State Tech Univ, Dept Solid State Phys, Voronezh 394026, Russia

[2] Russian Acad Sci, Shubnikov Inst Crystallog, Moscow 119333, Russia

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2007年 / 40卷 / 03期

关键词：

D O I：

10.1088/0022-3727/40/3/025

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Using a torsion pendulum, the peculiarities of low- frequency shear elastic and anelastic properties of the improper ferroelastic crystal K2Ba(NO2)(4) have been investigated for various crystallographic oriented samples at a temperature range in the vicinity of the phase transition point (T-C = 420 K). The work gives insights into the nature of the internal friction and spontaneous torque arising in the samples at the Curie point.

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页码：856 / 862

页数：7

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