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High resolution electron microscopy of the high‐ T c Superconductor Bi 2+ x Sr 2 Ca 1‐ x Cu 2 O 8+δ
Author(s) -
Zhou W.,
Kirkland A. I.,
Mackay K. D.,
Armstrong A. R.,
Harrison M. R.,
Jefferson D. A.,
Liang W. Y.,
Edwards P. P.
Publication year - 1989
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19890010605
Subject(s) - materials science , bismuth , superlattice , superconductivity , electron microscope , crystallography , resolution (logic) , microscopy , high resolution , condensed matter physics , optics , optoelectronics , metallurgy , chemistry , physics , artificial intelligence , computer science , remote sensing , geology
The structure of the 85 K Bi‐Sr‐Ca‐Cu‐O superconductor has been investigated by means of high resolution electron microscopy combined with image simulation. An ordered one‐in‐five substitution of calcium by bismuth ions is proposed as the explanation for the observed superlattice formation.