Raman and infrared quest for orbitons in Nd1-xSrxMnO3

被引：8
|
作者：
Jandl, S. [1 ]
Laverdiere, J.
Mukhin, A. A.
Ivanov, V. Yu.
Balbashov, A. M.
机构：
[1] Univ Sherbrooke, Dept Phys, Sherbrooke, PQ J1K 2R1, Canada
[2] Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia
[3] Moscow Power Engn Inst, Moscow 105835, Russia
来源：
PHYSICA B-CONDENSED MATTER | 2006年 / 381卷 / 1-2期
基金：
俄罗斯基础研究基金会; 加拿大自然科学与工程研究理事会;
关键词：
manganites; orbitons; Raman; infrared; multiphonons;
D O I：
10.1016/j.physb.2006.01.008
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present a study of Nd1-xSrxMnO3 (x = 0, 0.1, 0.5) high-energy Raman active excitations in the 800-2000 cm(-1) range and infrared-active excitations in the 400-2000 cm(-1) range. In comparison with previous LaMnO3 and La1-xSrMnO3 orbiton and phonon experimental and theoretical studies, we interpret the high-energy excitations as the result of orbital and phonon mode mixing. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：214 / 218
页数：5
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