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The Fabrication and Superconducting Property of MgB2/Mo Multilayer Films
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1.School of Electronic Communication Engineering,Guiyang University;2.Key Laboratory of Micro Nano Technology of Guizhou Province

Clc Number:

TN405

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    Abstract:

    The MgB2/Mo multilayer films were fabricated, which the MgB2 layers were grown by using the hybrid physics-chemistry vapor deposited (HPCVD), the Mo films were prepared with Magnetron sputtering (MS) technology. Scanning electron microscopy, X-ray diffraction, and four-point probe method were carried out to study surface morphology, superconducting properties and crystal structure of MgB2/Mo multilayer. The results addressed the multilayer can maintain good stability which the crystallization degree is further improved and the grain size is increases with the subsequent deposition temperature of MgB2 films. Excellent properties are obtained in the upper MgB2 layer prepared at 730℃, including the superconducting transition temperature(Tcon) and zero resistance temperature(Tc0) for 39.73K~39.53K,the remaining resistivity down to about 0.77μΩcm, which indicates that films are in the clean limit.

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[Zhou Zhang yu, Xiao Han, Wang Song, Zhang Qing Zhu, Wang Dai Qiang, Chen Yu Qing, Fu Xing hua. The Fabrication and Superconducting Property of MgB2/Mo Multilayer Films[J]. Rare Metal Materials and Engineering,2019,48(8):2711~2715.]
DOI:10.12442/j. issn.1002-185X.20180254

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History
  • Received:March 19,2018
  • Revised:March 28,2018
  • Adopted:June 19,2018
  • Online: September 05,2019
  • Published: