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US5241191A Cubic perovskite crystal structure, a process of preparing the crystal structure, and articles constructed from the crystal structure 失效
立方钙钛矿晶体结构，晶体结构的制备方法以及由晶体结构构成的制品

Cubic perovskite crystal structure, a process of preparing the crystal structure, and articles constructed from the crystal structure
摘要：
A cubic perovskite crystal structure is disclosed satisfying the unit cell formula:R.sub.0.33+z A.sub.0.67 C.sub.1-y O.sub.3-xwhereR, A and C represent rare earth, alkaline earth and copper atoms, respectively, capable of forming a superconductive R.sub.1 A.sub.2 C.sub.3 orthorhombic perovskite crystal structure;x is 0.67 to 1.0;y is up to 0.2; andz is up to 0.1.The crystal structure can be used to form superconductive superlattices and weak links for Josephson junction devices. The crystal structure can be produced by laser ablation deposition at a temperature below that required for the formation of a superconductive R.sub.1 A.sub.2 C.sub.3 orthorhombic perovskite crystal structure. The crystal structure can be used as a substrate for the subsequent deposition of an R.sub.1 A.sub.2 C.sub.3 orthorhombic perovskite crystal structure.
摘要（中）：

公开了一种满足单位晶格公式的立方钙钛矿晶体结构：R0.33 + zA0.67C1-yO3-x其中R，A和C分别表示稀土，碱土金属和铜原子，其能够形成超导的R1A2C3正交晶体的钙钛矿 晶体结构; x为0.67〜1.0; y高达0.2; z最高为0.1。 晶体结构可用于形成约瑟夫逊结器件的超导超晶格和弱连接。 晶体结构可以通过在低于形成超导的R1A2C3正交钙钛矿晶体结构所需的温度下的激光烧蚀沉积来制备。 晶体结构可以用作随后沉积R1A2C3正交钙钛矿晶体结构的衬底。

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