Evidence of antiferroquadrupolar ordering of DyB2C2

被引：116

作者：

Tanaka, Y ^{[1
]}

Inami, T

Nakamura, T

Yamauchi, H

Onodera, H

Ohoyama, K

Yamaguchi, Y

机构：

[1] RIKEN, Inst Phys & Chem Res, Sayo, Hyogo 6795148, Japan

[2] JAERI, Japan Atom Energy Res Inst, Sayo, Hyogo 6795148, Japan

[3] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan

[4] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1999年 / 11卷 / 44期

关键词：

D O I：

10.1088/0953-8984/11/44/102

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The antiferroquadrupolar ordering in DyB2C2 has been investigated using the x-ray resonant scattering technique. The dependence of the intensities of two superlattice peaks on temperature, azimuthal angle, and energy of the incident x-rays was measured. The results show that the antiferroquadrupole ordering, which accompanies a structural phase transition, exists below T-Q = 25 K. A structural model for the antiferroquadrupole ordering, for which the propagation vectors are (0, 0, 1/2) and (0, 1, 1/2), is presented.

引用

页码：505 / 511

页数：7

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