Effects of Hole Doping by Neutron Irradiation on Magnetic-Field Induced Electronic Phase Transitions in Graphite

被引：3
|
作者：
Yaguchi, Hiroshi [1 ,2 ]
Singleton, John [2 ,3 ]
机构：
[1] Tokyo Univ Sci, Fac Sci & Technol, Dept Phys, Noda, Chiba 2788510, Japan
[2] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England
[3] LANL, Natl High Magnetic Field Lab, Los Alamos, NM 87545 USA
来源：
25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 2 | 2009年 / 150卷
基金：
英国工程与自然科学研究理事会; 日本学术振兴会;
关键词：
CHARGE-DENSITY-WAVE;
D O I：
10.1088/1742-6596/150/2/022099
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have investigated effects of hole doping by fast-neutron irradiation on the magnetic-field induced phase transitions in graphite using specimens irradiated with fast neutrons. Resistance measurements have been done in magnetic fields of up to above 50 T and at temperatures down to about 1.5 K. The neutron irradiation creates latticed effects acting as acceptors, affecting the imbalance of the electron and hole densities and the Fermi level. We have found that there entrant transition field shifts towards lower fields with hole doping, suggestive of the participation of the electron subband in the magnetic-field induced state.
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页数：4
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