Chin. J. Semicond. > 2006, Volume 27 > Issue 4 > 609-612
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Nonlinear Current-Voltage Characteristics and Electroluminescence of cBN Crystal

Dou Qingping, Chen Zhanguo, Jia Gang, Ma Haitao, Cao Kun and Zhang Tiechen

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Abstract: The current-voltage(I-V) characteristics of cBN crystal sandwiched between two metallic electrodes are measured and found to be nonlinear.Over 20 samples are measured at room temperature with various electrodes,and the resulting curves are all similar in shape.When a voltage of about 560V is applied to the cBN crystal,the emitted light is visible to the naked eye in a dark room.We explain these phenomena by the space charge limited current and the electronic transition between the X and Γ alleys of the conduction band.

Key words: n-cBN crystal, nonlinear I-V characteristics, space charge limited current, electronic transition in two valleys

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    Received: 20 August 2015 Revised: Online: Published: 01 April 2006

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      Article Navigation >  Journal of Semiconductors  > 2006  >  27(4): 609-612
      Dou Qingping, Chen Zhanguo, Jia Gang, Ma Haitao, Cao Kun, Zhang Tiechen. Nonlinear Current-Voltage Characteristics and Electroluminescence of cBN Crystal[J]. Journal of Semiconductors, 2006, 27(4): 609-612. ****Dou Q P, Chen Z G, Jia G, Ma H T, Cao K, Zhang T C. Nonlinear Current-Voltage Characteristics and Electroluminescence of cBN Crystal[J]. Chin. J. Semicond., 2006, 27(4): 609.
      Citation:
      Dou Qingping, Chen Zhanguo, Jia Gang, Ma Haitao, Cao Kun, Zhang Tiechen. Nonlinear Current-Voltage Characteristics and Electroluminescence of cBN Crystal[J]. Journal of Semiconductors, 2006, 27(4): 609-612. ****
      Dou Q P, Chen Z G, Jia G, Ma H T, Cao K, Zhang T C. Nonlinear Current-Voltage Characteristics and Electroluminescence of cBN Crystal[J]. Chin. J. Semicond., 2006, 27(4): 609.
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      Nonlinear Current-Voltage Characteristics and Electroluminescence of cBN Crystal

      • State Key Laboratory of Integrated Optoelectronics,College of Electronic Science and Engineering,Jilin University,Changchun 130012,China

      • Mudanjiang Normal Institute,Mudanjiang 157012,China

      • State Key Laboratory of Integrated Optoelectronics,College of Electronic Science and Engineering,Jilin University,Changchun 130012,China

      • State Key Laboratory of Integrated Optoelectronics,College of Electronic Science and Engineering,Jilin University,Changchun 130012,China

      • State Key Laboratory of Integrated Optoelectronics,College of Electronic Science and Engineering,Jilin University,Changchun 130012,China

      • State Key Laboratory of Integrated Optoelectronics,College of Electronic Science and Engineering,Jilin University,Changchun 130012,China

      • State Key Laboratory of Superhard Materials,Jilin University,Changchun 130012,China

      • Received Date: 2015-08-20

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