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“Impurity doping effect in MgB2:
   Scientific and Technological Issues”
  
? Speaker : Prof. Yong-Jihn Kim (Univ. of Puerto Rico)
? Place : Physics Seminar Room (Science Bldg, 3-201)
? Date & Time : July,피망 바카라8(Wed)피망 바카라4:00피망 바카라~피망 바카라5:00 pm

Abstract
  
MgB2피망 바카라is피망 바카라a피망 바카라unique피망 바카라BCS피망 바카라type피망 바카라High피망 바카라Tc피망 바카라superconductor.피망 바카라Although피망 바카라its superconductivity is due to the strong
electron-phonon interaction,피망 바카라our understanding is not detailed enough to피망 바카라find similar피망 바카라high피망 바카라Tc피망 바카라materials. From a
technological point of view피망 바카라MgB2 wires피망 바카라can피망 바카라be피망 바카라used피망 바카라for피망 바카라MRI magnets and electricity transmission.

Impurity doping can provide important information on the superconducting mechanism피망 바카라and피망 바카라enhance the피망 바카라high피망 바카라field  
properties피망 바카라of피망 바카라MgB2피망 바카라wires피망 바카라for technological applications. First, we explain the disorder induced evolution of two energy
gaps in MgB2 using the two band model and피망 바카라the피망 바카라scattered states. Second, we show that special class of impurities can
enhance피망 바카라the high field properties of MgB2 significantly for MRI magnet applications and for피망 바카라power피망 바카라transmission피망 바카라[Y-.J.
Kim,피망 바카라US피망 바카라patent피망 바카라application피망 바카라number, 20090033330].
    
  
         Contact Person : Prof. Byung Il Min(054-279-2074, bimin@postech.ac.kr)"