한국정보디스플레이학회:학술대회논문집

한국정보디스플레이학회 (The Korean Infomation Display Society)
권호 표지

Influence of gas mixture ratio on the secondary electron emission coefficient (${\gamma}$) of MgO single crystals and MgO protective layer in surface discharge AC-PDPs

  • Lim, J.Y. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Jung, J.M. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Kim, Y.G. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Ahn, J.C. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Cho, T.S. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Cho, D.S. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Kim, J.G. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Kim, T.Y. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Kim, S.S. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Jung, M.W. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Choi, S.H. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Ko, J.J. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Kim, D.I. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Lee, C.W. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Seo, Y. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Cho, G.S. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Kang, S.O. (Department of Electrophysics / PDP Research Center, Kwangwoon University) ;
  • Choi, E.H. (Department of Electrophysics / PDP Research Center, Kwangwoon University)
  • 발행 : 2000.01.13
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초록

The secondary electron emission coefficient ${\gamma}$ of MgO single crystals according to the gas mixture ratio of Xe to Ne have been investigated by ${\gamma}-focused$ ion beam system. It is found that the MgO single crystals of (111) crystallinity has the highest ${\gamma}$ from 0.09(0.03) up to 0.16(0.04), while from 0.07(0.02) to 0.15(0.03) for (200) and from 0.06(0.01) to 0.13(0.02) for (220) crystallinity for operating Ne (Xe) ions ranging from 50eV to 200eV throughout this experiment. And it is found that the ${\gamma}$ ranged from 0.03 up to 0.06 for Ne-Xe mixtures are much smaller than those of 0.09 up to 0.16 for pure Ne ions under accelerating voltage ranged from 50V to 200V.

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