ISSN 1004-4140
CN 11-3017/P
Volume 27 Issue 3
Jun.  2018
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MA Yu-tian, LIU Jun-biao, NIU Geng, ZHAO Wei-xia, HAN Li. Research on the Preparation and Performance of LaB6 Single Crystal Cathode for Micro-computed Tomography[J]. CT Theory and Applications, 2018, 27(3): 357-362. DOI: 10.15953/j.1004-4140.2018.27.03.08
Citation: MA Yu-tian, LIU Jun-biao, NIU Geng, ZHAO Wei-xia, HAN Li. Research on the Preparation and Performance of LaB6 Single Crystal Cathode for Micro-computed Tomography[J]. CT Theory and Applications, 2018, 27(3): 357-362. DOI: 10.15953/j.1004-4140.2018.27.03.08
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Research on the Preparation and Performance of LaB6 Single Crystal Cathode for Micro-computed Tomography

  • Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China

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  • Received Date: November 05, 2017
  • Available Online: November 07, 2021
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    • Abstract
  • The LaB6 single crystal tip was prepared by the method of drop-off electrochemical corrosion and the technique of focus ion beam. The micro topography of LaB6 single crystal tip was analyzed by scanning electron microscope. On this basis, the Vogel-type LaB6 single crystal cathode is prepared. The emission performance and its application in Micro-CT are studied. The experimental results indicate that the LaB6 single crystal cathode have higher brightness of electron beam, which can improved the X-ray intensity and the whole performance of Micro-CT.
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