Isotropic negative magnetoresistance in La sub 2 minus x Sr sub x CuO sub 4+ y (US)
Journal Article
·
· Physical Review, B: Condensed Matter; (USA)
- Department of Physics and Center for Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (US)
- NTT Applied Electronics Laboratory, NTT Corporation, Tokai, Ibaraki 319-11, (Japan)
Measurements are reported of the magnetoresistance of thoroughly characterized single crystals of La{sub 2{minus}{ital x}}Sr{sub {ital x}}CuO{sub 4+{ital y}} with 0.02{le}{ital x}{le}0.1. Above the superconducting critical temperature, the conductance of the CuO{sub 2} layers increases logarithmically with temperature at low {ital T}. However, the magnetoresistance is isotropic and negative, inconsistent with coherent backscattering or conventional interaction effects, suggesting that spin scattering limits the conductance.
- OSTI ID:
- 5775799
- Journal Information:
- Physical Review, B: Condensed Matter; (USA), Journal Name: Physical Review, B: Condensed Matter; (USA) Vol. 44:1; ISSN PRBMD; ISSN 0163-1829
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
AMINES
AMMONIUM COMPOUNDS
ANGULAR MOMENTUM
BACKSCATTERING
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRYSTALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
HIGH-TC SUPERCONDUCTORS
ISOTROPY
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MAGNETORESISTANCE
MEASURING METHODS
MONOCRYSTALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PARTICLE PROPERTIES
PHYSICAL PROPERTIES
QUATERNARY COMPOUNDS
RARE EARTH COMPOUNDS
SCATTERING
SPIN
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
360603* -- Materials-- Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
AMINES
AMMONIUM COMPOUNDS
ANGULAR MOMENTUM
BACKSCATTERING
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRYSTALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
HIGH-TC SUPERCONDUCTORS
ISOTROPY
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MAGNETORESISTANCE
MEASURING METHODS
MONOCRYSTALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PARTICLE PROPERTIES
PHYSICAL PROPERTIES
QUATERNARY COMPOUNDS
RARE EARTH COMPOUNDS
SCATTERING
SPIN
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE