Electron paramagnetic resonance of Mn4+ in PbTiO3:: Low temperature behavior

被引：0
|
作者：
Keeble, DJ [1 ]
Tooke, AO
Young, CF
Poindexter, EH
Li, Z
机构：
[1] Univ Dundee, Carnegie Lab Phys, Dundee DD1 4HN, Scotland
[2] USA, Res Lab, Adelphi, MD 20783 USA
[3] Argonne Natl Lab, Argonne, IL 60439 USA
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 1998年 / 32卷
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D O I：
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The transition metal ion Mn4+ in PbTiO3 single crystals has been studied by electron paramagnetic resonance (EPR) over the temperature range 3.5 to 300 K. The spectrum results from a moderately large tetragonal crystal field and consists of two observable sextets. Below approximately 250 K superhyperfine structure is resolved on the low field sextet due to the lead ion sublattice. The fine structure splitting is found to be weakly temperature dependent below 300 K exhibiting a broad peak in the region of 200 K.
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页码：S675 / S678
页数：4
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