Growth of untwinned Bi[sub 2]Sr[sub 2]Ca[sub n[minus]1]Cu[sub n]O[sub 2n+4+[delta]] thin films on Nd:YAlO[sub 3] substrates
Conference
·
· Journal of Superconductivity; (United States)
OSTI ID:7072445
- Univ. of Tokyo (Japan)
Thin film growth of Bi[sub 2]Sr[sub 2]Ca[sub n[minus]1]Cu[sub n]O[sub 2n+4+[delta]] by molecular beam epitaxy is performed on Nd:YAlO[sub 3] (001) substrates. It was revealed that the orthorhombicity of the Nd:YalO[sub 3] substrate is quite effective to the growth of untwinned Bi[sub 2]Sr[sub 2]Ca[sub n[minus]1]Cu[sub n]O[sub 2n+4+[delta]] thin films. In all phases with n = 1 [approximately] 3, the incommensurate structural modulation lies parallel to the Nd:YAlO[sub 3] [100] direction, and this relation holds even in the case of superlattices. The origin of the epitaxial relation is discussed from the viewpoint of the lattice misfit. The orthorhombicity of the substrate competes with the step edges on a vicinally polished substrate for determining the in-plane growth direction. The rotation of the modulation direction was observed when the off angles are varied. 6 refs., 2 figs., 1 tab.
- OSTI ID:
- 7072445
- Report Number(s):
- CONF-930710--
- Conference Information:
- Journal Name: Journal of Superconductivity; (United States) Journal Volume: 7:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
BISMUTH COMPOUNDS
CALCIUM COMPOUNDS
CERAMICS
CHALCOGENIDES
COPPER COMPOUNDS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUPRATES
EPITAXY
FILMS
HIGH-TC SUPERCONDUCTORS
MOLECULAR BEAM EPITAXY
NEODYMIUM COMPOUNDS
ORTHORHOMBIC LATTICES
OXIDES
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
STRONTIUM COMPOUNDS
SUBSTRATES
SUPERCONDUCTORS
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
BISMUTH COMPOUNDS
CALCIUM COMPOUNDS
CERAMICS
CHALCOGENIDES
COPPER COMPOUNDS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUPRATES
EPITAXY
FILMS
HIGH-TC SUPERCONDUCTORS
MOLECULAR BEAM EPITAXY
NEODYMIUM COMPOUNDS
ORTHORHOMBIC LATTICES
OXIDES
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
STRONTIUM COMPOUNDS
SUBSTRATES
SUPERCONDUCTORS
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS