Local Variations of Cation Composition on a Nanometer-Sized Scale in a YBa2Cu3 O 6
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- 作者：L. A. Klinkova ; V. I. Nikolaichik…
- 关键词：High ; temperature superconductors ; YBa2Cu3 O 7−δ ; Nanostructural state ; Cation non ; stoichiometry
- 刊名：Journal of Superconductivity Incorporating Novel Magnetism
- 出版年：2016
- 出版时间：May 2016
- 年：2016
- 卷：29
- 期：5
- 页码：1139-1143
- 全文大小：485 KB
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V. I. Nikolaichik (2)
Q. M. Ramasse (3)
P. Abellan (3)
1. Institute of Solid State Physics of the Russian Academy of Sciences, Chernogolovka, Moscow District, 142432, Russia
2. Institute of Microelectronics Technology of the Russian Academy of Sciences, Chernogolovka, Moscow District, 142432, Russia
3. SuperSTEM Laboratory, SciTech Daresbury Campus, Keckwick Lane, Daresbury, WA4 4AD, UK - 刊物类别：Physics and Astronomy
- 刊物主题：Physics
Superconductivity, Superfluidity and Quantum Fluids
Magnetism and Magnetic Materials
Condensed Matter
Characterization and Evaluation Materials - 出版者：Springer New York
- ISSN：1557-1947
文摘
A YBa2Cu3 O 6.92 superconductor has been studied in an aberration-corrected scanning transmission electron microscope using a combination of atomic resolution imaging and elemental mapping by electron-energy loss spectroscopy (EELS). YBa2Cu3 O 6.92 has been found to be of a nanostructural state due to local variation of cation composition on a nanometer-sized scale. YBa2Cu3 O 6.92 can thus be considered as a non-single phased material formed of coherently intergrown nanodomains of phases with different cation compositions.