陶瓷超导体中普遍的非朗道、自组织、晶格无序的渗流掺杂网络亚Tc相变
Universal Non-Landau, Self-Organized, Lattice Disordering Percolative Dopant Network Sub-Tc Phase Transitions in Ceramic Superconductors
摘要：
陶瓷超导体（铜酸盐、磷属元素化物等）表现出普遍的特点，在Tcmax和在其平面晶格无序EXAFS测量，反映了三个相变。已知两个最高温度转变与赝能隙和赝能隙的形成相关，具有相应的朗道序参量，但没有新的能隙与低于Tc的第三个转变相关。有人认为，第三个转变是掺杂剂玻璃化转变，这是非常相似的硫族化物和氧化物合金网络玻璃（如窗口玻璃）中观察到的过渡。
英文摘要：
Ceramic superconductors (cuprates, pnictides, ...) exhibit universal features in both Tcmax and in their planar lattice disordering measured by EXAFS, as reflected by three phase transitions. The two highest temperature transitions are known to be associated with formation of pseudogaps and superconductive gaps, with corresponding Landau order parameters, but no new gap is associated with the third transition below Tc. It is argued that the third transition is a dopant glass transition, which is remarkably similar to transitions previously observed in chalcogenide and oxide alloy network glasses (like window glass).
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