Mössbauer study of Fe‐doped CuGeO3 system Cu0.9Ge0.9Fe0.2O3

被引：0
|
作者：
Kwang Pyo Chae
Woo Hyun Kwon
Young Bae Lee
Seo Wook Paik
Sung Ho Lee
机构：
[1] Konkuk University,Department of Applied Physics
来源：
Hyperfine Interactions | 1999年 / 122卷
关键词：
spin‐Peierls transition; superexchange interaction; symmetry; thermal contraction;
D O I：
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学科分类号：
摘要：
The Fe‐doped system Cu0.9Ge0.9Fe0.2O3 has been investigated by means of X‐ray diffractometry, Mössbauer spectroscopy and superconducting quantum interference device. The structure of this system is orthorhombic and the lattice constants are a=4.784 Å, b=8.472 Å and c=2.904 Å, respectively. Magnetic measurements confirm that the spin‐Peierls transition appears in our sample at about 12 K, which is near to the spin‐Peierls transition temperature (Tsp) 14 K of pure CuGeO3 system.
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页码：269 / 275
页数：6
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