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Nonlinear voltage-current characteristics of MnTe films with island growth
Yang, Liang; Wang, Zhenhua; Li, Da; Zhang, Zhidong; Wang, ZH (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang, Peoples R China.
2017-06-01
发表期刊VACUUM
ISSN0042-207X
卷号140页码:165-171
摘要The structure and transport properties of Mn0.98Cr0.02Te and MnTe films prepared by pulsed laser deposition were investigated. The metal-semiconductor transition was observed below the Neel temperature of MnTe. A diode-like behavior near the transition temperature was shown in the voltage-current characteristics for these films grown with incompletely connected islands. The rough surface was proven to be necessary for the nonlinear voltage-current behavior. The Schottky barrier between the Ag electrode and the rough surface of the film contributed to the nonlinear voltage-current characteristic. The inhomogeneity of Cr along the direction of currents could not induce the diode-like behavior. The nonlinear current-voltage relationship resulted in the shift of metal-semiconductor transition temperature. (C) 2017 Published by Elsevier Ltd.; The structure and transport properties of Mn0.98Cr0.02Te and MnTe films prepared by pulsed laser deposition were investigated. The metal-semiconductor transition was observed below the Neel temperature of MnTe. A diode-like behavior near the transition temperature was shown in the voltage-current characteristics for these films grown with incompletely connected islands. The rough surface was proven to be necessary for the nonlinear voltage-current behavior. The Schottky barrier between the Ag electrode and the rough surface of the film contributed to the nonlinear voltage-current characteristic. The inhomogeneity of Cr along the direction of currents could not induce the diode-like behavior. The nonlinear current-voltage relationship resulted in the shift of metal-semiconductor transition temperature. (C) 2017 Published by Elsevier Ltd.
部门归属[yang, liang ; wang, zhenhua ; li, da ; zhang, zhidong] chinese acad sci, inst met res, shenyang, peoples r china
关键词Nonlinear Current-voltage Characteristic Diode-like Behavior Island Growth Mnte Film
学科领域Materials Science, Multidisciplinary ; Physics, Applied
资助者National Natural Science Foundation of China [51522104, 51331006]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78117
专题中国科学院金属研究所
通讯作者Wang, ZH (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang, Peoples R China.
推荐引用方式
GB/T 7714
Yang, Liang,Wang, Zhenhua,Li, Da,et al. Nonlinear voltage-current characteristics of MnTe films with island growth[J]. VACUUM,2017,140:165-171.
APA Yang, Liang,Wang, Zhenhua,Li, Da,Zhang, Zhidong,&Wang, ZH .(2017).Nonlinear voltage-current characteristics of MnTe films with island growth.VACUUM,140,165-171.
MLA Yang, Liang,et al."Nonlinear voltage-current characteristics of MnTe films with island growth".VACUUM 140(2017):165-171.
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