MAGNETIC EXCITATIONS IN MN3PT

被引：2
|
作者：
TOMIYOSHI, S
KANEKO, T
STEIGENBERGER, U
CHAPELL, AJ
HAGEN, M
TODATE, Y
机构：
[1] TOHOKU UNIV,INST MAT RES,SENDAI,MIYAGI 980,JAPAN
[2] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
[3] UNIV KEELE,DEPT PHYS,KEELE ST5 5BG,STAFFS,ENGLAND
[4] OCHANOMIZU UNIV,FAC SCI,DEPT PHYS,BUNKYO KU,TOKYO 112,JAPAN
来源：
PHYSICA B | 1992年 / 180卷
关键词：
D O I：
10.1016/0921-4526(92)90716-6
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Magnetic excitations in Mn3Pt have been measured at several temperatures in the low- and high-temperature phases by time-of-flight crystal analyser spectrometers. At 293 K an acoustic branch, with stiffness constant c = 166 meV angstrom and with zone boundary energy of 55 meV, was observed. In the high-temperature phase the spin wave energy was reduced considerably.
引用
收藏
页码：227 / 229
页数：3
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