MAGNETIC NEURTON SCATTERING IN DYSPROSIUM ALUMINUM GARNET .I. LONG-RANGE ORDER

被引：28

作者：

NORVELL, JC

WOLF, WP

CORLISS, LM

HASTINGS, JM

NATHANS, R

机构：

[1] Yale University, New Haven

[2] Brookhaven National Laboratory, Upton

[3] Los Alamos Scientific Laboratory, Los Alamos

来源：

PHYSICAL REVIEW | 1969年 / 186卷 / 02期

关键词：

D O I：

10.1103/PhysRev.186.557

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Magnetic long-range order has been studied in antiferromagnetic dysprosium aluminum garnet (DAG) using coherent neutron scattering to measure the sublattice magnetization in the vicinity of the critical temperature. The value of the critical exponent β in the power-law expression for the magnetization M∼(ΔT)β was found to be 0.26±0.02 for the temperature range 0.0010<ΔTc<0.056. This is significantly lower than the theoretical estimate of 0.312 for the three-dimensional nearest-neighbor Ising model, with which DAG is compared. © 1969 The American Physical Society.

引用

页码：557 / 566

页数：10

共 27 条

[1] APPLICATION OF PADE APPROXIMANT METHOD TO INVESTIGATION OF SOME MAGNETIC PROPERTIES OF ISING MODEL [J].