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  • 1
    Electronic Resource
    Electronic Resource
    Micro-Raman scattering investigations on borocarbides (1996)
    Springer
    Journal of low temperature physics 105 (1996), S. 1629-1634 
    Details
    ISSN: 1573-7357
    Keywords: 63.20 K ; 74.20
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Single crystalline specimens of RNi2B2C (R=Y, La) and Y(Ni.7Co.3)2B2C (non-superconducting reference) have been isolated from polycrystalline samples and successfully orientated. All four observable Raman peaks could be measured and unambiguously be attributed to vibrations of B and Ni atoms. Most important, we can show that a broadening of the B-A1g mode also occurs in non-superconducting reference samples and should therefore not be taken as an evidence for a dominant role of the B-A1g mode in the pairing interaction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00753933
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    Paper (German National Licenses)
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    New Results in Astrodynamics Using Genetic Algorithms (1998)
    In:  Other Sources
    Details
    Publication Date: 2018-06-08
    Description: Generic algorithms have gained popularity as an effective procedure for obtaining solutions to traditionally difficult space mission optimization problems. In this paper, a brief survey of the use of genetic algorithms to solve astrodynamics problems is presented and is followed by new results obtained from applying a Pareto genetic algorithm to the optimization of low-thrust interplanetary spacecraft missions.
    Keywords: Astrodynamics
    Type: Applied Mechanics and Engineering
    Format: text
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    NASA TECHNICAL REPORTS
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