Heavy atom disorder in the high Tc superconductor Ba2 YCu3 O7-δ studied by means of electron microscopy and electron diffraction
Publication type: Journal Article
Publication date: 1987-09-01
scimago Q2
wos Q3
SJR: 0.446
CiteScore: 4.3
Impact factor: 2.4
ISSN: 00381098, 18792766
Materials Chemistry
General Chemistry
Condensed Matter Physics
Abstract
Abstract It is shown that on rapid cooling of the compound Ba 2 YCu 3 O 7-δ one obtains a highly disordered material in which the perovskite framework is conserved but in which barium and yttrium atoms exhibit a high degree of disorder. This leads to lattice deformations, which can be visualized in the electron microscope. The electron diffraction patterns also reveal the disorder. As-quenched specimens are no longer high T c superconductors, but the superconducting properties can be recovered by an adequate heat treatment whereby the vacancies become ordered.
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Van Tendeloo G. et al. Heavy atom disorder in the high Tc superconductor Ba2YCu3O7-δ studied by means of electron microscopy and electron diffraction // Solid State Communications. 1987. Vol. 63. No. 11. pp. 969-972.
GOST all authors (up to 50)
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Van Tendeloo G., Zandbergen H., Okabe T., Amelinckx S. Heavy atom disorder in the high Tc superconductor Ba2YCu3O7-δ studied by means of electron microscopy and electron diffraction // Solid State Communications. 1987. Vol. 63. No. 11. pp. 969-972.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1016/0038-1098(87)90641-7
UR - https://doi.org/10.1016/0038-1098(87)90641-7
TI - Heavy atom disorder in the high Tc superconductor Ba2YCu3O7-δ studied by means of electron microscopy and electron diffraction
T2 - Solid State Communications
AU - Van Tendeloo, G.
AU - Zandbergen, H.W.
AU - Okabe, T.
AU - Amelinckx, S.
PY - 1987
DA - 1987/09/01
PB - Elsevier
SP - 969-972
IS - 11
VL - 63
SN - 0038-1098
SN - 1879-2766
ER -
Cite this
BibTex (up to 50 authors)
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@article{1987_Van Tendeloo,
author = {G. Van Tendeloo and H.W. Zandbergen and T. Okabe and S. Amelinckx},
title = {Heavy atom disorder in the high Tc superconductor Ba2YCu3O7-δ studied by means of electron microscopy and electron diffraction},
journal = {Solid State Communications},
year = {1987},
volume = {63},
publisher = {Elsevier},
month = {sep},
url = {https://doi.org/10.1016/0038-1098(87)90641-7},
number = {11},
pages = {969--972},
doi = {10.1016/0038-1098(87)90641-7}
}
Cite this
MLA
Copy
Van Tendeloo, G., et al. “Heavy atom disorder in the high Tc superconductor Ba2YCu3O7-δ studied by means of electron microscopy and electron diffraction.” Solid State Communications, vol. 63, no. 11, Sep. 1987, pp. 969-972. https://doi.org/10.1016/0038-1098(87)90641-7.