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  • 1
    Electronic Resource
    Electronic Resource
    Influence of substrate on the excess electrical noise in the normal state of YBa2Cu3O7-δ thin films (1996)
    Springer
    Journal of superconductivity 9 (1996), S. 307-310 
    Details
    ISSN: 1572-9605
    Keywords: YBCO ; electrical noise ; substiates ; normal state
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract We present our studies of the low-frequency excess electrical noise in YBa2Cu3O7-δ thin films in the normal state. We have studied films with varying microstructure deposited on different substrates. The frequency dependence and bias current dependence of the noise power spectral density agree with the behavior expected for noise due to conductance fluctuations. Comparison between films on different substrates shows that the presence of defects such as grain boundaries in the film correlate with significantly enhanced noise levels. The noise levels in our good-quality epitaxial films are several orders of magnitude lower than the anomalously large noise magnitudes reported for YBa2Cu3O7-δ in most of the earlier studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00727553
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Development of a triticale resistant to the greenbug: An historical perspective (1996)
    Springer
    Euphytica 87 (1996), S. 65-67 
    Details
    ISSN: 1573-5060
    Keywords: Aphids ; amphiploidy ; insect resistance ; Schizaphis graminum (Rondani) ; wheat-rye hybrid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A greenbug [Schizaphis graminum (Rondani)] resistant strain of rye (Secale cereale L.) ‘Insave F.A.’ from Argentina was crossed with ‘Chinese Spring’ wheat (Triticum aestivum L.) and also with ‘Elbon’ and ‘Balbo’ cultivars of common rye. Juvenile plants of the primary wheat X rye hybrid were treated with colchicine. Partially fertile amphidiploids were obtained that are resistant to greenbug Biotypes B and C. F1 and F2 populations of seedling plants derived from crosses of ‘Insave F.A.’ with ‘Elbon’ and ‘Balbo’ rye were tested for reaction to the greenbug to determine the genetic basis of inheritance. The results confirmed previous reports that resistance in ‘Insave F.A.’ is conditioned by a single dominant gene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00022966
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    Paper (German National Licenses)
    Fulltext
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