Correlation between oxygen excess density and critical transition temperature in superconducting Bi-2201, Bi-2212 and Bi-2223期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Correlation between oxygen excess density and critical transition temperature in superconducting Bi-2201, Bi-2212 and Bi-2223

Authors:	HP Roeser F Hetfleisch FM Huber MF von Schoenermark M Stepper A Moritz AS Nikoghosyan

Institution:	^aInstitute of Space Systems, Universitaet Stuttgart, Pfaffenwaldring 31, 70569 Stuttgart, Germany;^bSteinbeis-Transferzentrum Raumfahrt, Roetestr. 15, 71126 Gaeufelden, Germany;^cDepartment of Microwave and Telecommunication, Yerevan State University, Alex Manoogian 1, Yerevan, 375025, Armenia

Abstract:	It is suggested that oxygen excess in undoped material of the high temperature superconducting bismuth family creates periodic two-dimensional Cu³⁺-ion patches in the copper–oxygen planes. These nanostructures have a size of square and show a strong linear relationship to their critical transition temperatures T_c.

Keywords:	High temperature superconductor Layered cuprate Nanostructures
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