Nanostructural inhomogeneity of EuBa2Cu3O6 + δ superconductors

Samples of high-temperature superconducting oxide EuBa 2 Cu 3 O 6 + δ (Eu-123) with total cationic composition Eu: Ba: Cu = 1: 2: 3 are investigated by means of local X-ray microanalysis and high-resolution transmission electron microscopy. The cationic nonstoichiometry of Eu-123 oxide is revealed....

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Published inBulletin of the Russian Academy of Sciences. Physics Vol. 80; no. 12; pp. 1418 - 1420
Main Authors Nikolaichik, V. I., Klinkova, L. A.
Format Journal Article
LanguageEnglish
Published New York Allerton Press 01.12.2016
Springer Nature B.V
Subjects
Cations
Electrons
Hadrons
Heavy Ions
High resolution
Inhomogeneity
Microscopes
Nuclear Physics
Particle physics
Physics
Physics and Astronomy
Proceedings of the XIX Russian Symposium “On Scanning Electron Microscopy and Analytical Methods of Investigation Used in Solid State Physics”
Superconductivity
Transmission electron microscopy
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Summary:Samples of high-temperature superconducting oxide EuBa 2 Cu 3 O 6 + δ (Eu-123) with total cationic composition Eu: Ba: Cu = 1: 2: 3 are investigated by means of local X-ray microanalysis and high-resolution transmission electron microscopy. The cationic nonstoichiometry of Eu-123 oxide is revealed. The particles of the studied samples are inhomogeneous in structure on the nanoscale, with two types of inhomogeneities: one with typical sizes of one to several nanometers, and one with typical sizes of 10 to 20 nm, respectively.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873816120133