EPR study of Cr3+ center in fast-proton conductor K3H(SO4)2

被引：1
|
作者：
Ostrowski, A. [1 ]
Waplak, S. [1 ]
机构：
[1] Polish Acad Sci, Inst Mol Phys, PL-60179 Poznan, Poland
来源：
APPLIED MAGNETIC RESONANCE | 2008年 / 34卷 / 1-2期
关键词：
D O I：
10.1007/s00723-008-0108-6
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
We have studied a K(3)H(SO(4))(2) (KHS) crystal doped with Cr(3+) ions by X-band continuous-wave electron paramagnetic resonance spectroscopy. The spin Hamiltonian parameters, direction cosines and coordination of the Cr(3+) impurity in the crystal matrices were determined at room temperature. The line width Delta H (pp) versus temperature and an external direct current electric field was measured. The line width anomaly of Cr(3+) is compared with our earlier results for KHS:Mn(2+) indicating the molecular mechanisms responsible for both anomalies in the 25-460 K temperature range.
引用
收藏
页码：55 / 61
页数：7
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