Flux-lattice melting in amorphous composite In/InO/sub x/ two-dimensional superconductors
Journal Article
·
· Phys. Rev. Lett.; (United States)
We report the phase diagram for magnetic fluxoids in two-dimensional In/InO/sub x/ superconducting films. The films are sputtered directly onto high-Q silicon oscillators. The melting of the vortex lattice is signaled by a peak in the attenuation and a shift of the resonant frequency of the oscillator, caused by the rapid change in mobility of the vortex array. The zero-field limit of the melting temperature can be fitted by the Kosterlitz-Thouless model. However, the magnetic field dependences disagree with the current theoretical picture.
- Research Organization:
- ATandT Bell Laboratories, Murray Hill, New Jersey 07974
- OSTI ID:
- 5618134
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 60:2; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
AMORPHOUS STATE
CHALCOGENIDES
COMPOSITE MATERIALS
CORRELATIONS
CRITICAL FIELD
ELECTRONIC EQUIPMENT
ELEMENTS
ENERGY
EQUIPMENT
FILMS
HARMONIC OSCILLATORS
INDIUM
INDIUM COMPOUNDS
INDIUM OXIDES
MAGNETIC FIELDS
MAGNETIC FLUX
MATERIALS
METALS
OSCILLATORS
OXIDES
OXYGEN COMPOUNDS
Q-VALUE
RESONANCE
SEMIMETALS
SILICON
SPUTTERING
SUPERCONDUCTING COMPOSITES
SUPERCONDUCTING FILMS
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TYPE-II SUPERCONDUCTORS
360603* -- Materials-- Properties
AMORPHOUS STATE
CHALCOGENIDES
COMPOSITE MATERIALS
CORRELATIONS
CRITICAL FIELD
ELECTRONIC EQUIPMENT
ELEMENTS
ENERGY
EQUIPMENT
FILMS
HARMONIC OSCILLATORS
INDIUM
INDIUM COMPOUNDS
INDIUM OXIDES
MAGNETIC FIELDS
MAGNETIC FLUX
MATERIALS
METALS
OSCILLATORS
OXIDES
OXYGEN COMPOUNDS
Q-VALUE
RESONANCE
SEMIMETALS
SILICON
SPUTTERING
SUPERCONDUCTING COMPOSITES
SUPERCONDUCTING FILMS
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TYPE-II SUPERCONDUCTORS