Microstructure and superconductivity of Bi-Sr-Ca-Cu-O/Bi-Sr-Cu-O multilayer thin films
Book
·
OSTI ID:82837
- Matsushita Electric Industrial Co., Ltd., Kyoto (Japan). Central Research Labs.
Epitaxially grown multi-layers of Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub y} (Bi-2212) and Bi{sub 2}Sr{sub 2}CuO{sub x} (Bi-2201) have been investigated referring to those microstructure and transport properties. Thin films have been prepared by a RF magnetron sputtering technique and laminated as the superconducting and non-superconducting layers. The samples have a variety of film thickness of each layer. The surface morphology, crystallization, diffusion and layered structures of these multi-layers were evaluated by TEM, AES, SIMS, STM-AFM and X-ray diffraction measurements. BSCO films exhibit normal conducting transport property even at 4.2 K. The superconducting properties such as a change of Tc, a broadening of the transition and anisotropy in those properties under magnetic field were discussed. Those results suggested that the structural and electronic condition in N-layer seriously affect the superconducting interlayer coupling between superconducting layers through non-superconducting layers.
- OSTI ID:
- 82837
- Report Number(s):
- CONF-940142--; ISBN 0-8194-1452-2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
AUGER ELECTRON SPECTROSCOPY
BISMUTH OXIDES
CALCIUM OXIDES
COMPOSITE MATERIALS
EXPERIMENTAL DATA
FABRICATION
ION MICROPROBE ANALYSIS
LAYERS
MASS SPECTROSCOPY
MICROSTRUCTURE
SCANNING ELECTRON MICROSCOPY
STRONTIUM OXIDES
SUPERCONDUCTING FILMS
SUPERCONDUCTIVITY
TRANSITION TEMPERATURE
TRANSMISSION ELECTRON MICROSCOPY
AUGER ELECTRON SPECTROSCOPY
BISMUTH OXIDES
CALCIUM OXIDES
COMPOSITE MATERIALS
EXPERIMENTAL DATA
FABRICATION
ION MICROPROBE ANALYSIS
LAYERS
MASS SPECTROSCOPY
MICROSTRUCTURE
SCANNING ELECTRON MICROSCOPY
STRONTIUM OXIDES
SUPERCONDUCTING FILMS
SUPERCONDUCTIVITY
TRANSITION TEMPERATURE
TRANSMISSION ELECTRON MICROSCOPY