QUASI-ONE-DIMENSIONAL ANTIFERROMAGNETIC CORRELATION IN THE KONDO SEMICONDUCTOR CENISN

被引：51

作者：

KADOWAKI, H

SATO, T

YOSHIZAWA, H

EKINO, T

TAKABATAKE, T

FUJII, H

REGNAULT, LP

ISIKAWA, Y

机构：

[1] HIROSHIMA UNIV, FAC INTEGRATED ARTS & SCI, HIROSHIMA 724, JAPAN

[2] TOYAMA UNIV, FAC SCI, TOYAMA 930, JAPAN

[3] CEA, SPSMS, MDN, CEA, DEPT RECH MAT CONDENSEE, F-38054 GRENOBLE 9, FRANCE

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1994年 / 63卷 / 06期

关键词：

KONDO SEMICONDUCTOR; ANTIFERROMAGNETIC CORRELATION; SPIN EXCITATION; NEUTRON SCATTERING; CENISN;

D O I：

10.1143/JPSJ.63.2074

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Spin excitation of the Kondo semiconductor CeNiSn has been studied by neutron scattering in a wide Q space. Below the coherence temperature of 20 K, the excitation spectra show pronounced peaks at HBARomega = 4 and 2 meV, at Q = (Q(a), 1/2, Q(c)) and (0 0 1), respectively. The observed Q dependence of the 4 meV excitation implies that the corresponding dynamical antiferromagnetic-correlation is quasi-one-dimensional along the b-axis, and is polarized mainly along the a-axis.

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页码：2074 / 2077

页数：4

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