THE LATTICE POSITION OF FE IN FE-DOPED LINBO3

被引：28
作者：
GOG, T
SCHOTTERS, P
FALTA, J
MATERLIK, G
GRODZICKI, M
机构：
[1] DESY,DEUTSCH ELEKTR SYNCHROTRON,D-22603 HAMBURG,GERMANY
[2] UNIV LUBECK,INST PHYS,D-23538 LUBECK,GERMANY
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1995年 / 7卷 / 35期
关键词：
D O I：
10.1088/0953-8984/7/35/004
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The lattice location of Fe atoms in Fe-doped LiNbO3 is determined experimentally employing x-ray standing waves. At a bulk concentration of 7.48 x 10(18) cm(-3) Fe is found to occupy sites close to the ferroelectric Li position, shifted by 0.18 Angstrom in the direction of the -c axis. Electronic structure calculations confirm this result insofar as computed spectroscopic data are more consistent with the respective experimental values for Fe located in the vicinity of the Li site than for Fe occupying the Nb lattice position.
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页码：6971 / 6980
页数：10
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