ʻO ka loaʻa ʻana o nā superconductors copper oxide me kahi mahana koʻikoʻi Tc ʻoi aʻe ma mua o 77K ua hōʻike i nā manaʻo maikaʻi aʻe no nā superconductors, me nā superconductors perovskite oxide i loaʻa nā mea honua laha ʻole, e like me YBa2Cu3O7-δ。 (i hoʻopau ʻia ʻo 123 phase, YBaCuO a i ʻole YBCO) he imp ...
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