Intrinsic EPR in La2-xSrxCuO4: Manifestation of three-spin polarons

被引：75
|
作者：
Kochelaev, BI
Sichelschmidt, J
Elschner, B
Lemor, W
Loidl, A
机构：
[1] UNIV OSNABRUCK,FACHBEREICH PHYS,D-49069 OSNABRUCK,GERMANY
[2] UNIV AUGSBURG,INST PHYS,D-86159 AUGSBURG,GERMANY
[3] KAZAN VI LENIN STATE UNIV,DEPT PHYS,KAZAN 420008,RUSSIA
来源：
PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 21期
关键词：
D O I：
10.1103/PhysRevLett.79.4274
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Electron-paramagnetic resonance (EPR) measurements on La2-xSrxCuO4 provide experimental evidence of a three-spin polaron, consisting of two CU2+ ions and one p hole. The symmetry properties and the peculiar temperature dependence of the g values of the EPR line indicate the presence of dynamical Jahn-Teller distortions and formation of a collective mode of polarons and surrounding strongly correlated Cu ions (bottlenecked regime).
引用
收藏
页码：4274 / 4277
页数：4
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