MAGNETIC AND ELASTIC PROPERTIES OF LA2NIO4+X

被引：16

作者：

BRILL, TM

HAMPEL, G

MERTENS, F

SCHURMANN, R

ASSMUS, W

LUTHI, B

机构：

[1] Physikalisches Institut, Universität Frankfurt

来源：

PHYSICAL REVIEW B | 1991年 / 43卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.43.10548

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present experimental data on elastic constants, magnetic susceptibility, and magnetization for single-crystal La2NiO4. Strong acoustic anomalies especially for the c66 mode are observed for the structural tetragonal-orthorhombic transition at 360 K, whereas for the lower structural transition at 80 K the acoustic effects are rather smeared out. With the help of our magnetic measurements, we can construct a spin model describing the essential features of the magnetic structure in La2NiO4.

引用

页码：10548 / 10554

页数：7

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