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Aurivillius Phases: A Possible New Class of Metal Oxide Superconductors
Author(s) -
Yee Kyeong Ae,
Albright Thomas A.,
Jung Dongwoon,
Whangbo MyungHwan
Publication year - 1989
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198907501
Subject(s) - aurivillius , superconductivity , oxide , condensed matter physics , materials science , metal , transition metal , perovskite (structure) , crystallography , octahedron , copper oxide , niobium , chemistry , metallurgy , crystal structure , physics , ferroelectricity , catalysis , optoelectronics , biochemistry , dielectric
Aurivillius phases (type 1) should be very similar electronically to copper–oxide superconductors when the transition metal M in 1 has a d l or d 3 configuration instead of a d o configuration. Such materials might exhibit superconductivity. This result, obtained by calculation, should stimulate further experiments in the area of oxidic high‐ T c superconductors. AB n−1 M n O 3n−1 1 A= Bi 2 O 2 ; B=electropositive metal; M=early transition metal; O=oxygen; n=number of octahedral layers per perovskite block.
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