Characterization of the europium substituted superconducting Bi2Sr2CaCu2O8+y phase

Maarit Karppinen, Olli Antson, P. Baules, Tarja Karlemo, T. Katila, Juha Linden, M. Lippmaa, Lauri Niinistö, C. Roucau, I. Tittonen, Kari Ullakko

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4 Citations (Scopus)

Abstract

Effects of europium substitution on the stoichiometry, structure and superconductivity of the Bi2Sr2CaCu2O8+y phase have been investigated. Partial replacement by calcium by europium promotes the single-phase formation and leads to an uptake of extra oxygen into the structure.
Oxygen content in the Bi2Sr2Ca1-xEuxCu2O8+y materials was determined by the thermogravimetric hydrogen reduction method. In an attempt to locate the intercalated oxygen atoms, X-ray, neutron and electron diffraction techniques were used. In addition, the samples were characterized by AC magnetic susceptibility measurements as well as by 151Eu Mossbauer spectroscopy.
The applicability of these methods and the results obtained thereby are discussed
Original languageEnglish
Pages (from-to)476-481
JournalSuperconductor Science and Technology
Volume5
Issue number8
DOIs
Publication statusPublished - 1992
MoE publication typeA1 Journal article-refereed

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Europium
europium
Oxygen
oxygen
neutron diffraction
calcium
stoichiometry
oxygen atoms
alternating current
superconductivity
electron diffraction
Mossbauer spectroscopy
Neutron diffraction
substitutes
Superconductivity
Magnetic susceptibility
magnetic permeability
Electron diffraction
Stoichiometry
Hydrogen

Cite this

Karppinen, M., Antson, O., Baules, P., Karlemo, T., Katila, T., Linden, J., ... Ullakko, K. (1992). Characterization of the europium substituted superconducting Bi2Sr2CaCu2O8+y phase. Superconductor Science and Technology, 5(8), 476-481. https://doi.org/10.1088/0953-2048/5/8/004
Karppinen, Maarit ; Antson, Olli ; Baules, P. ; Karlemo, Tarja ; Katila, T. ; Linden, Juha ; Lippmaa, M. ; Niinistö, Lauri ; Roucau, C. ; Tittonen, I. ; Ullakko, Kari. / Characterization of the europium substituted superconducting Bi2Sr2CaCu2O8+y phase. In: Superconductor Science and Technology. 1992 ; Vol. 5, No. 8. pp. 476-481.
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Karppinen, M, Antson, O, Baules, P, Karlemo, T, Katila, T, Linden, J, Lippmaa, M, Niinistö, L, Roucau, C, Tittonen, I & Ullakko, K 1992, 'Characterization of the europium substituted superconducting Bi2Sr2CaCu2O8+y phase', Superconductor Science and Technology, vol. 5, no. 8, pp. 476-481. https://doi.org/10.1088/0953-2048/5/8/004

Characterization of the europium substituted superconducting Bi2Sr2CaCu2O8+y phase. / Karppinen, Maarit; Antson, Olli; Baules, P.; Karlemo, Tarja; Katila, T.; Linden, Juha; Lippmaa, M.; Niinistö, Lauri; Roucau, C.; Tittonen, I.; Ullakko, Kari.

In: Superconductor Science and Technology, Vol. 5, No. 8, 1992, p. 476-481.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Characterization of the europium substituted superconducting Bi2Sr2CaCu2O8+y phase

AU - Karppinen, Maarit

AU - Antson, Olli

AU - Baules, P.

AU - Karlemo, Tarja

AU - Katila, T.

AU - Linden, Juha

AU - Lippmaa, M.

AU - Niinistö, Lauri

AU - Roucau, C.

AU - Tittonen, I.

AU - Ullakko, Kari

PY - 1992

Y1 - 1992

N2 - Effects of europium substitution on the stoichiometry, structure and superconductivity of the Bi2Sr2CaCu2O8+y phase have been investigated. Partial replacement by calcium by europium promotes the single-phase formation and leads to an uptake of extra oxygen into the structure. Oxygen content in the Bi2Sr2Ca1-xEuxCu2O8+y materials was determined by the thermogravimetric hydrogen reduction method. In an attempt to locate the intercalated oxygen atoms, X-ray, neutron and electron diffraction techniques were used. In addition, the samples were characterized by AC magnetic susceptibility measurements as well as by 151Eu Mossbauer spectroscopy. The applicability of these methods and the results obtained thereby are discussed

AB - Effects of europium substitution on the stoichiometry, structure and superconductivity of the Bi2Sr2CaCu2O8+y phase have been investigated. Partial replacement by calcium by europium promotes the single-phase formation and leads to an uptake of extra oxygen into the structure. Oxygen content in the Bi2Sr2Ca1-xEuxCu2O8+y materials was determined by the thermogravimetric hydrogen reduction method. In an attempt to locate the intercalated oxygen atoms, X-ray, neutron and electron diffraction techniques were used. In addition, the samples were characterized by AC magnetic susceptibility measurements as well as by 151Eu Mossbauer spectroscopy. The applicability of these methods and the results obtained thereby are discussed

U2 - 10.1088/0953-2048/5/8/004

DO - 10.1088/0953-2048/5/8/004

M3 - Article

VL - 5

SP - 476

EP - 481

JO - Superconductor Science and Technology

JF - Superconductor Science and Technology

SN - 0953-2048

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