Complex Susceptibility of High-T_c Superconductor ErBa_2Cu_3O_<6+x>
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概要
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The magnetic response of ErBa_2Cu_3O_<6+x> has been studied in terms of complex susceptibility χ=χ' -iχ". In the superconducting transition, χ' reflects the Meissner effect and χ" forms a single peak. Careful measurements revealed that the onset temperature of χ' is slightly higher than that of χ" and there exist two superconducting phases. χ' and χ" of the lower phase are very sensitive to the field amplitude. The upper phase may be interpreted as a bulk superconductivity while the lower phase corresponds to a weak coupling between bulk superconducting inclusions.
- 社団法人応用物理学会の論文
- 1987-08-20
著者
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Ishida Takekazu
Department Of Physics And Electronics Osaka Prefecture University
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Mazaki Hiromasa
Institute For Chemical Research
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