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  • Articles  (2)
  • Articles: DFG German National Licenses  (2)
  • 60  (1)
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  • Physics  (2)
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  • Articles  (2)
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  • Articles: DFG German National Licenses  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International journal of biometeorology 37 (1993), S. 113-124 
    ISSN: 1432-1254
    Keywords: History ; Climate ; Health ; Tourism ; Hippocratic corpus philosophy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Abstract This paper creates a framework for the study of the history of tourism for climate and health. It traces the ways in which people have both moved away from detrimental health conditions and towards places thought to provide climatic cures. It brings to light the complex issues that have affected the course of the tourist trade. In this way it helps to explain that the modern geographical distribution of the highly fashionable resort areas of the world owe a great deal to past and present interpretations of the HippocraticCorpus.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0630
    Keywords: 72.40 ; 73 ; 85 ; 60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The electrical properties ofn +-window layers inp-i-n a-Si:H solar cells were characterised as a function ofn +-layer thickness, $$d_{n^ + } $$ , by measuring firstly the activation energyE a of the dark conductivity and secondly the built-in potentialV bi of the cells.E a was found to increase with decreasing $$d_{n^ + } $$ attaining values as high as 0.8 eV for $$d_{n^ + } $$ ≅5nm; bulk values, e.g.E a ≅. 2eV in the amorphous andE a〈0.01 eV in the microcrystalline case, were only observed for $$d_{n^ + } $$ 〉20nm and for $$d_{n^ + } $$ 〉200nm, respectively. In contrast,V bi did not depend on $$d_{n^ + } $$ at all and was further found to be consistent with expectations based on the Fermi level positions in bulkn + andp +-material. As a consequenceE a in very thin films can no longer be considered as a measure of (E C −E F), the distance of the Fermi level from the conduction band edge. The apparent inconsistency inherent to theE a and theV bi results can be resolved by assuming that the deposition of then +-material proceeds via the growth and coalescence of small islands.
    Type of Medium: Electronic Resource
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