Phonons and spin waves in the magnetic semiconductor chalcopyrite CuFeS2

被引：11

作者：

Harris, MJ

Zinkin, MP

Swainson, IP

机构：

[1] UNIV OXFORD, CLARENDON LAB, OXFORD OX1 3PU, ENGLAND

[2] AECL RES, CHALK RIVER LABS, NEUTRON & CONDENSED MATTER SCI BRANCH, CHALK RIVER, ON K0J 1J0, CANADA

来源：

PHYSICAL REVIEW B | 1997年 / 55卷 / 11期

关键词：

D O I：

10.1103/PhysRevB.55.6957

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present the results of inelastic neutron-scattering measurements of the spin wave and phonon dispersion in the antiferromagnetic semiconductor chalcopyrite CuFeS2. The spin waves are steeply dispersive, and are described well by a simple local-moment model that considers only nearest-neighbor interactions. The nearest-neighbor exchange energy is determined as 2.27(2) THz, and there is an anisotropy gap of 1.28(1) THz.

引用

页码：6957 / 6959

页数：3

共 9 条

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