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  • Organic Chemistry  (3)
  • 74.70.Dg  (1)
  • CHEMISTRY AND MATERIALS (GENERAL)  (1)
  • Chemical Engineering  (1)
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  • 1
    Digitale Medien
    Digitale Medien
    Superconductivity of thin films of lead, indium, and tin prepared in the presence of oxygen (1981)
    Springer
    Applied physics 25 (1981), S. 95-103 
    Details
    ISSN: 1432-0630
    Schlagwort(e): 74.70.Dg ; 74.60.-w ; 73.60.Ka
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: Abstract We have studied the influence of oxygen on the superconducting properties of thin films of lead, indium and tin deposited on glass or sapphire substrates. In addition, the morphological microstructure was investigated by scanning electron microscopy. The film thickness was 1.0 μm, and the partial pressure of O2 during the film deposition was raised up to 1×10−4 Torr. In all three materials the development of a granular structure and a strong increase in the residual electric resistivity was observed due to the O2-treatment. Whereas in the Pb films no change of the critical temperature was found, the In films deposited on glass substrates showed a slight increase ofT c due to the oxygen. The strongest increase ofT c (up to 8%) was observed in the O2-treated Sn films. These results are discussed in terms of the McMillan theory. From our measurements of the critical current densityj c we conclude that edge pinning is dominant in the undoped films. All three materials showed a strong increase ofj c due to the O2-treatment which must be interpreted in terms of bulk pinning.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00901279
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
    Volltext
  • 2
    Digitale Medien
    Digitale Medien
    Sterospecific polymerization with alkali metal organic compounds (1962)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 2 (1962), S. 105-106 
    Details
    ISSN: 0032-3888
    Schlagwort(e): Chemistry ; Chemical Engineering
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Maschinenbau , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/pen.760020209
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    Artikel (Nationallizenzen)
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  • 3
    Digitale Medien
    Digitale Medien
    Über die chemische Reaktion, die der Inhibierung der Polymerisation von Styrol durch Chinon zugrunde liegt (1941)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 158 (1941), S. 186-199 
    Details
    ISSN: 0021-8383
    Schlagwort(e): Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Zusätzliches Material: 3 Tab.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/prac.19411580116
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  • 4
    Digitale Medien
    Digitale Medien
    Über Brom-fluoranthene (1941)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 24 (1941), S. 100E 
    Details
    ISSN: 0018-019X
    Schlagwort(e): Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/hlca.19410240213
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  • 5
    Digitale Medien
    Digitale Medien
    Über das Vorkommen von Chrysen in Erde (1947)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 30 (1947), S. 1595-1599 
    Details
    ISSN: 0018-019X
    Schlagwort(e): Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/hlca.19470300624
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  • 6
    facet.materialart.
    Unbekannt
    Titanium dioxide antireflection coating for silicon solar cells by spray deposition (1980)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-06-28
    Beschreibung: A high-speed production process is described for depositing a single-layer, quarter-wavelength thick antireflection coating of titanium dioxide on metal-patterned single-crystal silicon solar cells for terrestrial applications. Controlled atomization spraying of an organotitanium solution was selected as the most cost-effective method of film deposition using commercial automated equipment. The optimal composition consists of titanium isopropoxide as the titanium source, n-butyl acetate as the diluent solvent, sec-butanol as the leveling agent, and 2-ethyl-1-hexanol to render the material uniformly depositable. Application of the process to the coating of circular, large-diameter solar cells with either screen-printed silver metallization or with vacuum-evaporated Ti/Pd/Ag metallization showed increases of over 40% in the electrical conversion efficiency. Optical characteristics, corrosion resistance, and several other important properties of the spray-deposited film are reported. Experimental evidence indicates a wide tolerance in the coating thickness upon the overall efficiency of the cell. Considerations pertaining to the optimization of AR coatings in general are discussed, and a comprehensive critical survey of the literature is presented.
    Schlagwort(e): CHEMISTRY AND MATERIALS (GENERAL)
    Materialart: RCA Review; 41; June 198
    Format: text
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