## 摘要

The variation of hole states with Pr doping for Y
_{x}
Pr
_{1-x}
Ba
_{2}
Cu
_{3}
O
_{7}
and Y
_{x}
Pr
_{1-x}
Ba
_{2}
Cu
_{4}
O
_{8}
has been investigated by O K-edge X-ray absorption spectroscopy. Upon Pr substitution, T
_{c}
suppression rate in Y
_{x}
Pr
_{1-x}
Ba
_{2}
Cu
_{4}
O
_{8}
is slower than that in Y
_{x}
Pr
_{1-x}
Ba
_{2}
Cu
_{3}
O
_{7}
. For both systems, hole carriers in the CuO
_{2}
planes and CuO chains decrease monotonically with increasing Pr doping level. The depletion rate of hole carriers in the CuO
_{2}
planes with Pr doping in Y
_{x}
Pr
_{1-x}
Ba
_{2}
Cu
_{4}
O
_{8}
is considerably slower than that in Y
_{x}
Pr
_{1-x}
Ba
_{2}
Cu
_{3}
O
_{7}
. The oxygen content affects the depletion rate of hole carriers in cuprates with Pr doping.

原文 | English |
---|---|

頁（從 - 到） | 180-187 |

頁數 | 8 |

期刊 | Chemical Physics Letters |

卷 | 370 |

發行號 | 1-2 |

DOIs | |

出版狀態 | Published - 7 3月 2003 |

## 指紋

深入研究「Pr-induced superconductivity suppression in Y_{x}Pr

_{1-x}Ba

_{2}Cu

_{4}O

_{8}probed by soft-X-ray absorption spectroscopy: A comparative studies of Y

_{x}Pr

_{1-x}Ba

_{2}Cu

_{4}O

_{8}and Y

_{x}Pr

_{1-x}Ba

_{2}Cu

_{3}O

_{7}」主題。共同形成了獨特的指紋。