Magnetic short-range order in La0.85Sr0.15MnO3

被引：1
|
作者：
Hoffmann, JU
Hohlwein, D
Schneider, R
Moudden, AH
机构：
[1] Hahn Meitner Inst, Abt NE Gastgrp Tubingen, BENSC, D-14109 Berlin, Germany
[2] Univ Tubingen, Inst Kristallog, D-72070 Tubingen, Germany
[3] Lab Leon Brillouin, Saclay, France
来源：
PHYSICA B | 2000年 / 276卷
关键词：
paramagnetic scattering; short-range order; magneto-resistance; perovskite compounds;
D O I：
10.1016/S0921-4526(99)01715-9
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
In a single crystal of La0.85Sr0.15MnO3 we studied the magnetic diffuse scattering in large areas of reciprocal space using the Flat-cone diffractometer E2 at BENSC in Berlin. At several temperatures the complete (hk0) plane has been recorded. In the paramagnetic phase, above T-c = 235 K, the diffuse scattering is concentrated around the "cubic" nuclear Bragg reflections and has been followed up to 320 K. We compare the intensity distribution with a modified molecular held theory using one parameter for the ferromagnetic double-exchange interaction. (C) 2000 Elsevier Science B.V. All nights reserved.
引用
收藏
页码：608 / 609
页数：2
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