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题名: Nonlinear voltage-current characteristics of MnTe films with island growth
作者: Yang, Liang;  Wang, Zhenhua;  Li, Da;  Zhang, Zhidong
发表日期: 2017-6-1
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.
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Recommended Citation:
Yang, Liang,Wang, Zhenhua,Li, Da,et al. Nonlinear Voltage-current Characteristics Of Mnte Films With Island Growth[J]. Vacuum,2017,140:165-171.

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