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  • STRUCTURAL MECHANICS  (4)
  • Conference proceedings  (3)
  • Electronic structure and strongly correlated systems
  • Plasma and Beam Physics
  • 1990-1994  (7)
Collection
Keywords
Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    High-quality YBCO d.c. SQUIDs based on bicrystal substrates (1994)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 16 (1994), S. 2019-2024 
    Details
    ISSN: 0392-6737
    Keywords: Proximity effects, tunneling phenomena, and Josephson effects ; Conference proceedings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary An analysis of superconducting transport properties and magnetic behaviour of d.c. SQUIDs employing YBCO bicrystal grain boundary junctions (GBJs) has been performed. GBJs have been obtained by deposition of ac-axis-oriented YBCO film on a SrTiO3 bicrystal substrate by ICM sputtering technique. Experimental measurements on a YBCO d.c. SQUID with a misorientation angle θ=20° are reported. The SQUID shows a critical temperatureT c∼89 K and a high critical current densityJ c∼3·106 A/cm2 atT=4.2 K. Current-voltage characteristics are close to the behaviour predicted by the resistively shunted junction (RSJ) model and the temperature dependenceJ c(T) shows a linear behaviour at small reduced temperatures and a depressedJ c value close toT c. High-quality flux-voltage curves have been found upT=87 K over a large range of magnetic field. The high reproducibility and the good control of transport properties by the variation of θ make YBCO bicrystal GBJs very useful for applications in electronics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02471861
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Structural investigation of YBCO films and bicrystal grain boundary junctions (1994)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 16 (1994), S. 2025-2030 
    Details
    ISSN: 0392-6737
    Keywords: Superconducting films ; Conference proceedings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary We present a structural analysis of YBCO superconducting thin films fabricatedin situ by Inverted Cylindrical Magnetron (ICM) sputtering on commercial SrTiO3 single-crystal and bicrystal substrates. A detailed structural characterization of the superconductor films was performed by using single-crystal X-ray diffractometry confirming that YBCO films have a strongc-axis orientation of the grains with a small mosaic spread. In the films grown on bicrystal substrates we observed a strong correlation with the lattice structure of the substrate. In addition, a surface analysis of the region across the grain boundary edge has been performed by using scanning electron microscopy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02471862
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    HTSC grain boundary weak links employing high-quality ICM sputtered YBCO films (1994)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 16 (1994), S. 1967-1972 
    Details
    ISSN: 0392-6737
    Keywords: Proximity effects, tunneling phenomena and Josephson effects ; Conference proceedings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary Bicrystal grain boundary junctions of YBCO have been fabricated by using the Inverted Cylindrical Magnetron d.c. sputtering technique. The main characteristics of the junction behaviour are reported. Some aspects of the experimental results are discussed in the framework of existing models developed for describing weak-link structures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02471853
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    Paper (German National Licenses)
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  • 4
    facet.materialart.
    Unknown
    Coupled structural/thermal/electromagnetic analysis/tailoring of graded composite structures (1992)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Described here are the accomplishments of a 5-year program to develop a methodology for coupled structural, thermal, electromagnetic analysis tailoring of graded component structures. The capabilities developed over the course of the program are the analyzer module and the tailoring module for the modeling of graded materials. Highlighted accomplishments for the past year include the addition of a buckling analysis capability, the addition of mode shape slope calculation for flutter analysis, verification of the analysis modules using simulated components, and verification of the tailoring module.
    Keywords: STRUCTURAL MECHANICS
    Type: NASA-CR-189153 , NAS 1.26:189153
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
    facet.materialart.
    Unknown
    Coupled structural/thermal/electromagnetic analysis/tailoring of graded composite structures (1992)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Accomplishments are described for the fourth years effort of a 5-year program to develop a methodology for coupled structural/thermal/electromagnetic analysis/tailoring of graded component structures. These accomplishments include: (1) demonstration of coupled solution capability; (2) alternate CSTEM electromagnetic technology; (3) CSTEM acoustic capability; (4) CSTEM tailoring; (5) CSTEM composite micromechanics using ICAN; and (6) multiple layer elements in CSTEM.
    Keywords: STRUCTURAL MECHANICS
    Type: NASA-CR-189152 , NAS 1.26:189152
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
    facet.materialart.
    Unknown
    Coupled structural/thermal/electromagnetic analysis/tailoring of graded composite structures (1992)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Accomplishments are described for the third years effort of a 5-year program to develop a methodology for coupled structural/thermal/electromagnetic analysis/tailoring of graded composite structures. These accomplishments include: (1) structural analysis capability specialized for graded composite structures including large deformation and deformation position eigenanalysis technologies; (2) a thermal analyzer specialized for graded composite structures; (3) absorption of electromagnetic waves by graded composite structures; and (4) coupled structural thermal/electromagnetic analysis of graded composite structures.
    Keywords: STRUCTURAL MECHANICS
    Type: NASA-CR-189151 , NAS 1.26:189151
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
    facet.materialart.
    Unknown
    Coupled structural/thermal/electromagnetic analysis/tailoring of graded composite structures (1992)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Accomplishments are described for the first year effort of a 5-year program to develop a methodology for coupled structural/thermal/electromagnetic analysis/tailoring of graded composite structures. These accomplishments include: (1) the results of the selective literature survey; (2) 8-, 16-, and 20-noded isoparametric plate and shell elements; (3) large deformation structural analysis; (4) eigenanalysis; (5) anisotropic heat transfer analysis; and (6) anisotropic electromagnetic analysis.
    Keywords: STRUCTURAL MECHANICS
    Type: NASA-CR-189150 , NAS 1.26:189150
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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