本文综述了RE(RE=Y,Nd)BCO高温超导体厚膜在MgO基片上液相外延生长(Liquid Phase Epitaxy,LPE)的初始阶段研究.外延生长初始阶段直接发生在种膜或者基片上,是整个生长过程最为特殊的阶段,对整个生长过程和晶体质量都有很大的影响.在不同生长条件下,探讨此阶段中熔体/厚膜/种膜/基板间的相互依赖关系及对生长机制的影响,包括:籽晶的部分溶化,基片的回溶,晶粒的优先溶化/生长, 熔体包裹物的形成以及异质种膜外延生长的机制等.
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