Epitaxial YBa[sub 2]Cu[sub 3]O[sub 7[minus][delta]] thin films on SrRuO[sub 3]/Pt/MgO
Journal Article
·
· Applied Physics Letters; (United States)
- Superconductivity Technology Center, Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)
Epitaxial YBa[sub 2]Cu[sub 3]O[sub 7[minus][delta]] (YBCO) thin films were deposited on (100) MgO using platinum and SrRuO[sub 3] (SRO) buffer layers by pulsed laser deposition. The films were (001) textured normal to substrate surface with a high degree of in-plane orientation with respect to the substrate's major axes. YBCO films showed superconducting transition temperature ([ital T][sub co]) at 91 K and critical current densities were found to be 2--3[times]10[sup 6] A/cm[sup 2] at 77 K and zero field. An ion beam minimum channeling yield of 16% was obtained for YBCO films, indicating high crystallinity. The orientation relationship for this epitaxial multilayer structure was found to be (100) YBCO[parallel](100) SRO[parallel](100)Pt[parallel](100) MgO. This result showed that high-quality superconducting thin films can be deposited on metal with an appropriate buffer layer.
- OSTI ID:
- 5291768
- Journal Information:
- Applied Physics Letters; (United States), Journal Name: Applied Physics Letters; (United States) Vol. 64:5; ISSN APPLAB; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360207* -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
ABLATION
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
BUFFERS
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL CURRENT
CRYSTAL STRUCTURE
CUPRATES
CURRENTS
ELECTRIC CURRENTS
ELECTROMAGNETIC RADIATION
EPITAXY
HIGH-TC SUPERCONDUCTORS
LASER RADIATION
MORPHOLOGY
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATIONS
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360207* -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
ABLATION
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
BUFFERS
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL CURRENT
CRYSTAL STRUCTURE
CUPRATES
CURRENTS
ELECTRIC CURRENTS
ELECTROMAGNETIC RADIATION
EPITAXY
HIGH-TC SUPERCONDUCTORS
LASER RADIATION
MORPHOLOGY
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATIONS
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
YTTRIUM COMPOUNDS
YTTRIUM OXIDES