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Zhao, Y.

Paper Title Page
MOPCH178 Tests on MgB2 for Application to SRF Cavities 481
 
  • T. Tajima
    LANL, Los Alamos, New Mexico
  • I.E. Campisi
    ORNL, Oak Ridge, Tennessee
  • A. Canabal-Rey
    NMSU, Las Cruces, New Mexico
  • Y. Iwashita
    Kyoto ICR, Uji, Kyoto
  • B. Moeckly
    STI, Santa Barbara, California
  • C.D. Nantista, S.G. Tantawi
    SLAC, Menlo Park, California
  • H.L. Phillips
    Jefferson Lab, Newport News, Virginia
  • A.S. Romanenko
    Cornell University, Laboratory for Elementary-Particle Physics, Ithaca, New York
  • Y. Zhao
    University of Wollongong, Institute of Superconducting and Electronic Materials, Wollongong
  
  Magnesium diboride (MgB2) has a transition temperature (Tc) of ~40 K, i.e., about four times higher than niobium (Nb). The studies in the last three years have shown that it could have about one order of magnitude less RF surface resistance (Rs) than Nb and seems much less power dependent compared to high-Tc materials such as YBCO. In this paper we will present results on the dependence of Rs on surface magnetic fields and possibly the critical RF surface magnetic field.