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

页码：227 / 229

页数：3

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