Characterization of superconducting Bi2Sr2Can-1CunO4+2n phases with Fe57 Mössbauer spectroscopy

Tittonen, I.; Hietaniemi, J.; Huttunen, Juhani; LINDÉN, J.; Katila, T.; Karlemo, T.; Karppinen, M.; Niinistö, L.; Ullakko, K.

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Characterization of superconducting Bi2Sr2Can-1CunO4+2n phases with Fe57 Mössbauer spectroscopy

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Title:	Characterization of superconducting Bi2Sr2Can-1CunO4+2n phases with Fe57 Mössbauer spectroscopy
Author(s):	Tittonen, I. ; Hietaniemi, J. ; Huttunen, Juhani ; LINDÉN, J. ; Katila, T. ; Karlemo, T. ; Karppinen, M. ; Niinistö, L. ; Ullakko, K.
Date:	1990
Language:	en
Pages:	7 4212-4218
Department:	Department of Chemistry
Series:	Physical Review B, Volume 42, issue 7
ISSN:	0163-1829 1550-235X
DOI-number:	10.1103/PhysRevB.42.4212
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Citation: Tittonen , I , Hietaniemi , J , Huttunen , J , LINDÉN , J , Katila , T , Karlemo , T , Karppinen , M , Niinistö , L & Ullakko , K 1990 , ' Characterization of superconducting Bi2Sr2Can-1CunO4+2n phases with Fe57 Mössbauer spectroscopy ' , Physical Review B , vol. 42 , no. 7 , pp. 4212-4218 . https://doi.org/10.1103/PhysRevB.42.4212
Abstract: In order to study the dependence of superconductivity on sample preparation and the influence of cationic doping, Bi2Sr2Can-1CunO4+2n samples were prepared using various sintering temperatures and nominal starting compositions. After each sintering the samples were characterized with x-ray-diffraction and magnetic-ac-susceptibility measurements. In all cases the corresponding doped57 samples were also made for Mössbauer measurements. The Mössbauer measurements usually show three quadrupole components arising from the different phases in the samples. The site assignment of Fe57 is discussed.

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