ＹＢａ２（Ｃｕ１－ｘＭｘ）３Ｏｙ（Ｍ＝Ａｌ，Ｆｅ，Ｃｏ，Ｇａ）系の酸素欠陥

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  • Oxygen deficiency in YBa2(Cu1-xMx)3Oy (M=Al, Fe, Co, Ga) system.
  • YBa2 Cu1-xMx 3Oy M Al Fe Co Ga ケイ ノ サンソ

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Oxygen deficiency in YBa2(Cu1-xMx)3Oy (M=Al, Fe, Co, Ga) system is discussed. Superconductivity of the impurity-doped system is much more sensitive to the oxygen defects compared with pure YBa2Cu3 Oy.It is suggested that this enhancement of oxygen-deficiency effect is associated with the oxygen disordering within the Cu1-0 layer. Monte Carlo simulation of oxygen configuration within the Cu1-0 layer of the impurity-doped system is presented.

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