Effects of Low-Temperature Neutron Irradiation on T_c of LnBa_2Cu_3O_<7-y> (Ln=Y, La) and La_2CuO_4

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概要

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• The results of in-pile resistance measurements of three different oxides, LnBa_2Cu_3O_<7-y>(Ln=Y, La) and La_2CuO_4, which were irradiated with fission neutrons at low-temperature at the Kyoto University Research Reactor facility are reported. After the neutron irradiation at 20 K to the fluence in the range of 10^<16>n/cm^2, LnBa_2Cu_3O_<7-y> and La_2CuO_4 of non superconducting specimens did not show any radiation-induced superconductivity, and the resistance increased in the temperature range above 20 K. In YBa_2Cu_3O_<7-y>, the transition temperature did not change appreciably with the low-temperature neutron irradiation. The remarkable improvement of transition temperature T_c of these superconductors after the neutron irradiation, which was reported previously by Atobe and Yoshida, could not be detected.

• 社団法人応用物理学会の論文
• 1991-11-15

著者

• Shimomura Y

  Hiroshima Univ. Higashi‐hiroshima Jpn

• Mukouda I

  Hiroshima Univ.

• Mukouda Ichiro

  Applied Physics And Chemistry Faculty Of Engineering Hiroshima University

• Shimomura Yoshiharu

  Applied Physics And Chemistry Faculty Of Engineering Hiroshima University

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• The Effects of Gas Atoms on the Formation of Voids in Neutron-irradiated Metals
• Effects of Low-Temperature Neutron Irradiation on T_c of LnBa_2Cu_3O_ (Ln=Y, La) and La_2CuO_4
• Types of Damages in Fission-Neutron Irradiated Cu and Cu Dilute Alloys at 200℃
• The Effects of Repeated Electron Irradiation for the Formation of Interstitial Loops in Pure Aluminum
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• Formation of Voids in Pure Aluminum Quenched in Hydrogen Gas
• Dependence of the Growth Rate of Interstitial Loops on Irradiated Crystallographic Directions in Electron Irradiated Pure Aluminum
• Point Defect Clusters at a Twin Boundary in Pure Aluminum
• On the Important Effect of Water Vapor in the Atmosphere on Void Formation in Quenched Pure Aluminum

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