SPECIFIC-HEAT STUDY OF FE-BASED NARROW-GAP AND WIDE-GAP DILUTED MAGNETIC SEMICONDUCTORS

被引:2
作者
DEJONGE, WJM
SWAGTEN, HJM
GERRITS, CEP
TWARDOWSKI, A
机构
[1] Dept. of Phys., Eindhoven Univ. of Technol.
关键词
D O I
10.1088/0268-1242/5/3S/059
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The specific heat of II-IV group Fe-based DMS has been investigated at temperatures below 20 K. All zero- and open-gap compounds have a magnetically inactive singlet ground state, well separated from the excited states. Within a crystal field model one is in principle able to understand this behaviour in all cases. The Fe2+-Fe2+ interaction and the role of the Fe levels in the band structure will be discussed.
引用
收藏
页码:S270 / S273
页数:4
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