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Operation of an ungated diamond field-emission array cathode in a L-band radiof requency electron source

机译：在L波段无线电频率电子源中非去离子金刚石场发射阵列阴极的操作

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摘要

We report on the operation of a field-emitter-array cathode in a conventional L-band radio-frequency electron source. The cathode consisted of an array of ～10~6 diamond tips on pyramids. Maximum current on the order of 15 mA was reached and the cathode did not show appreciable signs of fatigue after weeks of operation. The measured Fowler-Nordheim characteristics, transverse beam density, and current stability are discussed.
机译：我们报告了在传统的L波段射频电子源中场发射器阵列阴极的操作。阴极由金字塔上约10〜6个金刚石尖端组成。在运行数周后，达到的最大电流约为15 mA，并且阴极没有显示出明显的疲劳迹象。讨论了测量的Fowler-Nordheim特性，横向束密度和电流稳定性。

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  • 来源
    《Applied Physics Letters》 |2014年第26期|263504.1-263504.4|共4页
  • 作者

    P. Piot; C. A. Brau; B. K. Choi; B. Blomberg; W. E. Gabella; B. Ivanov; J. Jarvis; M. H. Mendenhall; D. Mihalcea; H. Panuganti; P. Prieto; J. Reid;

  • 作者单位

    Northern Illinois Center for Accelerator and Detector Development and Department of Physics, Northern Illinois University, DeKalb, Illinois 60115, USA,Accelerator Physics Center, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA;

    Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee 37235, USA;

    Department of Electrical Engineering and Computer Science, Vanderbilt University, Nashville, Tennessee 37235, USA,Vanderbilt Institute of Nanoscale Science and Engineering, Vanderbilt University, Nashville, Tennessee 37235, USA;

    Northern Illinois Center for Accelerator and Detector Development and Department of Physics, Northern Illinois University, DeKalb, Illinois 60115, USA;

    Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee 37235, USA;

    Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee 37235, USA;

    Advanced Energy Systems, Inc., Medford, New York 11763, USA;

    Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee 37235, USA;

    Northern Illinois Center for Accelerator and Detector Development and Department of Physics, Northern Illinois University, DeKalb, Illinois 60115, USA;

    Northern Illinois Center for Accelerator and Detector Development and Department of Physics, Northern Illinois University, DeKalb, Illinois 60115, USA;

    Accelerator Division, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA;

    Accelerator Division, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA;

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