Perturbed angular correlations investigations on YMnO3 multiferroic manganite

被引：0
|
作者：
T. M. Mendonça
A. M. L. Lopes
J. N. Gonçalves
J. G. Correia
P. B. Tavares
V. S. Amaral
C. Darie
J. P. Araujo
机构：
[1] IFIMUP and IN—Institute of Nanosciences and Nanotechnologies,Departamento de Fisica and CICECO
[2] Centro de Fisica Nuclear da Universidade de Lisboa,CQVR—Departamento de Quimica
[3] Universidade de Aveiro,Institut Neel
[4] Instituto Tecnologico e Nuclear,undefined
[5] Univ. Tras-os-Montes e Alto Douro,undefined
[6] CNRS,undefined
来源：
Hyperfine Interactions | 2010年 / 197卷
关键词：
PAC; Manganites; Phase separation;
D O I：
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中图分类号：
学科分类号：
摘要：
The Perturbed Angular Correlation (PAC) technique was applied to study the yttrium local environment in YMnO3 multiferroic manganite. The electric field gradients (EFG) at the Y site have been measured as function of temperature, covering both ferroelectric and magnetic transitions. The results were compared with point charge model (PCM) calculations. The experimental results show two different EFG distributions for all temperatures. Only one can be directly attributed to the yttrium crystalline site in the hexagonal structure.
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页码：83 / 88
页数：5
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