Magnetic pair-breaking effects: Moment formation and critical doping level in superconducting La sub 1. 85 Sr sub 0. 15 Cu sub 1 minus x A sub x O sub 4 systems ( A =Fe,Co,Ni,Zn,Ga,Al)
Journal Article
·
· Physical Review, B: Condensed Matter; (USA)
- Department of Physics and Astronomy, Brown University, Providence, RI (USA)
- Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD (USA) Institute of Physics, Polish Academy of Sciences, 02668 Warsaw (Poland)
- Department of Physics, The Johns Hopkins University, Baltimore, MD (USA)
We have conducted a systematic study on the effect of Cu-site doping in La{sub 1.85}Sr{sub 0.15}CuO{sub 4} system. The relations between {Tc} and doping level as well as the critical doping levels {ital x}{sub {ital c}} have been determined accurately for the Fe-, Co-, Ni-, Zn-, Ga-, and Al-doped systems. Every dopant either carries an intrinsic magnetic moment or induces a net moment on the Cu-O{sub 2} plane. The size of the moment is correlated with the suppression of superconductivity, consistent with the magnetic-pair-breaking effect. The ground states of the dopants have also been determined.
- OSTI ID:
- 6362124
- Journal Information:
- Physical Review, B: Condensed Matter; (USA), Journal Name: Physical Review, B: Condensed Matter; (USA) Vol. 42:13; ISSN PRBMD; ISSN 0163-1829
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
ALLOYS
ALUMINIUM ADDITIONS
ALUMINIUM ALLOYS
CHALCOGENIDES
COBALT ADDITIONS
COBALT ALLOYS
COPPER COMPOUNDS
COPPER OXIDES
DOPED MATERIALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
GALLIUM ADDITIONS
GALLIUM ALLOYS
HIGH-TC SUPERCONDUCTORS
IRON ADDITIONS
IRON ALLOYS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MAGNETIC MOMENTS
MATERIALS
NICKEL ADDITIONS
NICKEL ALLOYS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
ZINC ADDITIONS
ZINC ALLOYS
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
ALLOYS
ALUMINIUM ADDITIONS
ALUMINIUM ALLOYS
CHALCOGENIDES
COBALT ADDITIONS
COBALT ALLOYS
COPPER COMPOUNDS
COPPER OXIDES
DOPED MATERIALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
GALLIUM ADDITIONS
GALLIUM ALLOYS
HIGH-TC SUPERCONDUCTORS
IRON ADDITIONS
IRON ALLOYS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MAGNETIC MOMENTS
MATERIALS
NICKEL ADDITIONS
NICKEL ALLOYS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
ZINC ADDITIONS
ZINC ALLOYS