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  • 2000-2004  (2)
  • 1980-1984  (3)
  • 2002  (2)
  • 1983  (3)
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  • 2000-2004  (2)
  • 1980-1984  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    Three-color polymer light-emitting diodes by stamped dye diffusion (2002)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 80 (2002), S. 2189-2191 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A method to pattern the integrated emissive colors of polymer light-emitting diodes (PLEDs) using stamped dye diffusion is introduced. In this method, the emitting colors are tuned selectively by the energy transfer processes from the host polymer to the diffused dye. The diffusion of the dye into the emitting polymer layer was successfully achieved by transferring the prefabricated dye pattern onto a silicon substrate at an elevated temperature. Coumarin6, 4-(dicyanomethylene)2-methyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran and Nile Red dyes were diffused selectively into a poly (9-vinylcarbazole)-based emitting layer using this method. We have investigated the electroluminescent properties of the dye diffused PLEDs and also have demonstrated the integration of three-color PLEDs with dimensions of the order of 10 μm. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1456973
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Stereo-controlled multiple trimethylsilylation of pentadienyl anions and the structure of polysilylated anions (1983)
    s.l. : American Chemical Society
    Organometallics 2 (1983), S. 21-27 
    Details
    ISSN: 1520-6041
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/om00073a006
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Magnetic signals from human skeletal muscles (1983)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 2 (1983), S. 642-649 
    Details
    ISSN: 0392-6737
    Keywords: Biomagnetism (including magnetocardiography) ; Superconducting devices ; superconducting magnets
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto È stata esaminata la forma d’onda d’impulso per il magnetomiogramma (MMG) dell’arto inferiore destro umano. Le durate tipiche degl’impulsi sono di circa (10÷20) ms. La variazione spaziale del MMG suggerisce un’origine nei muscoli anteriori della tibia.
    Notes: Summary The pulse wave form for the magnetomyogram (MMG) of the human right leg was examined. The typical pulse durations are about (10÷20) ms. The spatial variation of the MMG suggests a source in the anterior muscles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02455961
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    On the nonstoichiometry and point defects of olivine (1983)
    Springer
    Physics and chemistry of minerals 10 (1983), S. 27-37 
    Details
    ISSN: 1432-2021
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Abstract This paper presents the point-defect thermodynamics for fayalite and olivine solid solutions (Fe x Mg1−x )2SiO4. By means of thermogravimetry, the metal-to-oxygen ratio of these silicates has been determined as a function of oxygen potential, compositionx and temperature. Experiments were performed in the range of 1,000° C≦T≦1,280° C and 0.2≦x≦1.0. It is found that V Me ″ , Fe Me · and the associate {Fe′ Si ′ Fe Me · } are the majority defects. With this knowledge it is possible to calculate the nonstoichiometry at given temperature as a function of $$p_{O_2 } $$ and $$a_{SiO_2 } $$ . The cation vacancy concentration shows a $$p_{O_2 }^{1/5} $$ -dependence (forx≧0.2) and increases at givenT and $$p_{O_2 } $$ almost exponentially with compositionx. In the composition range studied here, the silicates show an oxygen excess, and FeO is more soluble in the olivine than SiO2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01204323
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Compressible bag model and the phase structure (2002)
    Springer
    The European physical journal 25 (2002), S. 453-458 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. The phase structure of hadrons and the quark-gluon plasma is investigated by two types of equation of state of the hadrons, namely the ideal hadron gas model and the compressible bag model. It is pointed out that, while the ideal gas model produces an unrealistic extra hadron phase, the compressible bag model gives the expected and reasonable phase diagram even if the rich hadron spectrum is taken into account.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s10052-002-1024-9
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    Paper (German National Licenses)
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