Anisotropic superconducting-state thermodynamic parameters of the electron-doped compound Sm sub 1. 85 Ce sub 0. 15 CuO sub 4 minus y

Journal Article · Wed Jan 01 04:00:00 EST 1992 · Physical Review, B: Condensed Matter; (United States)

DOI:https://doi.org/10.1103/PhysRevB.45.1056· OSTI ID:5101104

Almasan, C C; Han, S H; Early, E A; Lee, B W; Seaman, C L; Maple, M B ^[1]

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1. Department of Physics and Institute for Pure and Applied Physical Sciences, University of California, San Diego, La Jolla, California 92093 (United States)

The anisotropic superconducting-state thermodynamic parameters of the electron-doped compound Sm{sub 1.85}Ce{sub 0.15}CuO{sub 4-{ital y}} have been derived from reversible dc magnetization {ital M}({ital H},{ital T}) measurements on magnetically aligned single-crystal particles of the compound for magnetic fields applied perpendicular and parallel to the {ital ab} plane. A recent model developed by Hao {ital et} {ital al}., which describes {ital M}({ital H},{ital T}) over the entire field region between {ital H}{sub {ital c}1} and {ital H}{sub {ital c}2}, was used to analyze the {ital M}({ital H},{ital T}) data. The analysis of the measurements provides a self-consistent test of the model and resolves a controversy by showing that the anisotropy of {ital H}{sub {ital c}2}({ital T}) of the electron-doped compound Sm{sub 1.85}Ce{sub 0.15}CuO{sub 4-{ital y}} is comparable to that of the hole-doped compound YBa{sub 2}Cu{sub 3}O{sub 7-{delta}}.

• DOE Contract Number: FG03-86ER45230
• OSTI ID: 5101104
• Journal Information: Physical Review, B: Condensed Matter; (United States), Journal Name: Physical Review, B: Condensed Matter; (United States) Vol. 45:2; ISSN PRBMD; ISSN 0163-1829
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360207* -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
ANISOTROPY
CERIUM COMPOUNDS
CERIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL FIELD
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
HIGH-TC SUPERCONDUCTORS
MAGNETIC FIELDS
MAGNETIZATION
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
SAMARIUM COMPOUNDS
SAMARIUM OXIDES
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TEMPERATURE RANGE
TEMPERATURE RANGE 0000-0013 K
TEMPERATURE RANGE 0013-0065 K
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS