Metal-insulator transition in EuO

被引：33
|
作者：
Sinjukow, P [1 ]
Nolting, W [1 ]
机构：
[1] Humboldt Univ, Inst Phys, Lehrstuhl Festkorpertheorie, D-12489 Berlin, Germany
来源：
PHYSICAL REVIEW B | 2003年 / 68卷 / 12期
关键词：
D O I：
10.1103/PhysRevB.68.125107
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is shown that the spectacular metal-insulator transition in Eu-rich EuO can be simulated within an extended Kondo lattice model. The different orders of magnitude of the jump in resistivity in dependence on the concentration of oxygen vacancies as well as the low-temperature resistance minimum in high-resistivity samples are reproduced quantitatively. The huge colossal magnetoresistance is calculated and discussed.
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页数：5
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