$(Hg_{1-x}M_{x})(Sr,Ba)_{2}Pr_{2}Cu_{2}O_{9-\delta}$ (M = Pr, Pb, Bi, Tl)"> $(Hg_{1-x}M_{x})(Sr,Ba)_{2}Pr_{2}Cu_{2}O_{9-\delta}$ (M = Pr, Pb, Bi, Tl)"> Synthesis and characterization of mercury based "1222" cuprates <tex>$(Hg_{1-x}M_{x})(Sr,Ba)_{2}Pr_{2}Cu_{2}O_{9-\delta}$</tex> (M = Pr, Pb, Bi, Tl) - Institutional Repository University of Antwerp
Title
Synthesis and characterization of mercury based "1222" cuprates <tex>$(Hg_{1-x}M_{x})(Sr,Ba)_{2}Pr_{2}Cu_{2}O_{9-\delta}$</tex> (M = Pr, Pb, Bi, Tl) Synthesis and characterization of mercury based "1222" cuprates <tex>$(Hg_{1-x}M_{x})(Sr,Ba)_{2}Pr_{2}Cu_{2}O_{9-\delta}$</tex> (M = Pr, Pb, Bi, Tl)
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
London ,
Subject
Chemistry
Source (journal)
Journal of solid state chemistry. - London
Volume/pages
115(1995) , p. 525-531
ISSN
0022-4596
ISI
A1995QN27700033
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Five new layered cuprates, with a 1222-type structure, have been synthesized according to the formula (Hg(1-x)M(x))(Sr,Ba)(2) Pr2Cu2O9-delta with M = Pr, Pb, Pi, and Tl. They crystallize in a tetragonal cell with a approximate to a(p) and c approximate to 29.5 Angstrom; their structure consists in a triple intergrowth of oxygen-deficient perovskite, rock-salt-and fluorite-type layers. They are characterized by a mixed [Hg(1-x)M(x)O(1-delta)] layer in the rock-sail-type slice. The ED and HREM studies show that Tl, Bi, and Pb are statistically distributed in the mixed [Hg(1-x)M(x)O(1-delta)] layer, contrary to Pr which involves an ordering phenomenon along a. Different stacking defects are observed and discussed as well as the cleavage mode of the crystals. (C) 1995 Academic Press, Inc.
E-info
https://repository.uantwerpen.be/docman/iruaauth/c4c7ca/5ce2086.pdf
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