Published February 1994 | Version v1
Journal article Metadata-only

Structural transition and superconductivity in nonstoichiometric Y1-xCaxSr2Cu2.8Mo0.1W0.1Oy

Creators

  • 1. School of Materials Science and Engineering, UNSW, Kensington, NSW (Australia)
  • 2. Div. of Applied Physics, CSIRO, Lindfield, NSW (Australia)

Description

The Y1-xCaxSr2Cu2.8Mo0.1W0.1Oy (0≤x≤1) cuprates were investigated. Single-phase (123) samples were obtained for x=0 and 0.1 under various heat-treatment conditions, and it is found that the system undergoes a tetragonal(T(I))-orthorhombic(O)-tetragonal(T(II)) structural transition as the oxygen content y increases. The non-superconducting behaviour of the orthorhombic phase and the superconducting behaviour of the tetragonal II phase suggest that superconductivity in the Sr-based Y-123 system is insensitive to the orthorhombic order. (orig.)

Additional details

Publishing Information

Journal Title
Physica. B, Condensed Matter
Journal Volume
194-196
Journal Page Range
p. 1951-1952.
ISSN
0921-4526
CODEN
PHYBE3

Conference

Title
20. IUPAP international conference on low temperature physics (LT-20).
Dates
4-11 Aug 1993.
Place
Eugene, OR (United States).

INIS

Country of Publication
Netherlands
Country of Input or Organization
Netherlands
INIS RN
25057394
Subject category
S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Conference
Descriptors DEI
BOND ANGLE; BOND LENGTHS; CALCIUM ADDITIONS; CALCIUM OXIDES; CHEMICAL COMPOSITION; COPPER OXIDES; CRYSTAL-PHASE TRANSFORMATIONS; HEAT TREATMENTS; HIGH-TC SUPERCONDUCTORS; LATTICE PARAMETERS; MIXTURES; MOLYBDENUM OXIDES; ORTHORHOMBIC LATTICES; OXYGEN; PHASE TRANSFORMATIONS; SPACE GROUPS; STRONTIUM OXIDES; SUPERCONDUCTIVITY; TEMPERATURE DEPENDENCE; TETRAGONAL LATTICES; TRANSITION TEMPERATURE; TUNGSTEN OXIDES; X-RAY DIFFRACTION; YTTRIUM OXIDES
Descriptors DEC
ALKALINE EARTH METAL COMPOUNDS; CALCIUM COMPOUNDS; CHALCOGENIDES; COHERENT SCATTERING; COPPER COMPOUNDS; CRYSTAL LATTICES; CRYSTAL STRUCTURE; DIFFRACTION; DISPERSIONS; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; ELEMENTS; MOLYBDENUM COMPOUNDS; NONMETALS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; SCATTERING; STRONTIUM COMPOUNDS; SUPERCONDUCTORS; SYMMETRY GROUPS; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS; TUNGSTEN COMPOUNDS; YTTRIUM COMPOUNDS