METAMAGNETISM IN TBNI2SI2 SINGLE-CRYSTAL

被引：20

作者：

SHIGEOKA, T

FUJII, H

NISHI, M

UWATOKO, Y

TAKABATAKE, T

OGURO, I

MOTOYA, K

IWATA, N

ITO, Y

机构：

[1] HIROSHIMA UNIV, FAC INTEGRATED ARTS & SCI, HIROSHIMA 730, JAPAN

[2] UNIV TOKYO, INST SOLID STATE PHYS, TOKYO 106, JAPAN

[3] SAITAMA UNIV, FAC SCI, URAWA, SAITAMA 338, JAPAN

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1992年 / 61卷 / 12期

关键词：

METAMAGNETISM; TBNI2SI2; CRYSTAL FIELD EFFECT; MAGNETIC STRUCTURE;

D O I：

10.1143/JPSJ.61.4559

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We studied magnetic properties in the TbNi2Si2 single crystal compound by magnetic and neutron diffraction measurements. The magnetic moments born on only Tb are fixed to the c-axis due to a strong crystalline electric effect. The compound undergoes a commensurate-incommensurate phase transition at T(t) = 7.9 K; the commensurate phase with k=[1/2, 1/2, 0] is stable below T(t), and above T(t), the incommensurate one with k=[1/2+tau, 1/2-tau,0] (tau=0.074) appears and persists up to T(N)=14.6 K. A multi-step metamagnetic transition was found in the low temperature c-axis magnetization process in which at least nine magnetic phases appear. This process is a typical example of ''the devil's staircase'' in real compounds.

引用

页码：4559 / 4565

页数：7

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