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  • Inorganic Chemistry  (7)
  • PLASMA PHYSICS  (7)
  • 72.20  (2)
  • INSTRUMENTATION AND PHOTOGRAPHY  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Effect of temperature on the validity of the einstein relation in heavily doped semiconductors (1980)
    Springer
    Applied physics 23 (1980), S. 241-244 
    Details
    ISSN: 1432-0630
    Keywords: 72.20 ; 85.30
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract An analytical expression of the modified form of the Einstein relation in heavily doped semiconductors in which Gaussian band tails are formed near the lower limit of heavy doping is derived for studying the temperature dependence of the diffusivity-mobility ratio of the carriers in such semiconductors. It is found that, with increasing temperature from relatively low values, the ratio first increases in a nonlinear manner and then decreases till, at high temperatures, it approaches its value corresponding to the non-degenerate condition resulting in a peak over a narrow range of temperatures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00914906
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Oscillatory effective mass in degenerate narrow-gap semiconductors in a quantizing magnetic field (1981)
    Springer
    Applied physics 25 (1981), S. 105-108 
    Details
    ISSN: 1432-0630
    Keywords: 85.30 ; 72.20 ; 72.15
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract An attempt is made to study the effect of a quantizing magnetic field on the effective electron mass in degeneraten-type narrow-gap semiconductors at low temperatures. It is found, takingn-Hg1−x Cd x Te as an example, that the effective electron mass shows an oscillatory magnetic-field dependence as is expected because of the dependence of the effective mass in degenerate non-parabolic bands on Fermi energy which oscillates with changing magnetic field. The amplitude of oscillations is, however, found to be significantly influenced by the alloy composition whereas the period is found to be independent of the band non-parabolicity, i.e. of the compositional parameter in ternary semiconductors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00901280
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Hysteresis bei der Sol-Gel-Umwandlung (1930)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 194 (1930), S. 305-315 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19301940125
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  • 4
    Electronic Resource
    Electronic Resource
    Dialyse, Ultrafiltration und Koagulation von Molybdänsäure (1929)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 184 (1929), S. 135-144 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Aus unseren Versuchen über die Dialyse und Ultrafiltration einer Molybdänsäurelösung (aus Ammoniummolybdat und Chlorwasserstoff) lassen sich folgende Schlüsse ziehen: aFrisch hergestellte Molybdänsäurelösung enthält beträchtliche Mengen des gelösten Stoffes im Molekularzustand. 1,550 g Molybdänsäure in 100 cm3 Lösung enthielten 47,8% molekular gelöst, so daß sie nicht durch ein Ultrafilter zurückgehalten wurden.bDie Menge der molekular gelösten Molybdänsäure nimmt mit der Zeit ab.cEin Zusatz von Säure vermehrt die Menge der kolloiden Molybdänsäure, während ein Zusatz von Alkali sie vermindert.
    Additional Material: 16 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19291840110
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  • 5
    Electronic Resource
    Electronic Resource
    Verhalten von Kieselsäure, Vanadinsäure, Wolframsäure, Molybdänsäure, Antimonsäure und Tellursäure im Kolloidzustand (1930)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 190 (1930), S. 421-427 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19301900142
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  • 6
    Electronic Resource
    Electronic Resource
    Die Bildung der Gallerten von Vanadiumpentoxyd und anderen anorganischen Stoffen (1926)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 152 (1926), S. 399-404 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Feste durchsichtige Gallerten von Vanadiumpentoxyd lassen sich leicht herstellen durch Dialyse eines Sols von Vanadiumpentoxyd.Die Koagulation eines nicht dialysierten konzentrierten Sols von Vanadiumpentoxyd durch Elektrolyte führt zur Bildung einer Gallerte.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19261520142
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  • 7
    Electronic Resource
    Electronic Resource
    Peptisation und Bildung von komplexen Ionen (1926)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 152 (1926), S. 405-412 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Die Versuchsergebnisse zeigen, daß der Bildung von komplexen Ionen aus einer wenig löslichen Substanz (besonders in frisch gefällter Form) die Bildung eines Kolloides vorausgeht.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19261520143
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  • 8
    Electronic Resource
    Electronic Resource
    Zähigkeit und Gallertbildung von Cerihydroxyd-Sol (1927)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 164 (1927), S. 63-68 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Man erhält feste, durchsichtige Gallerten, wenn man zu einem Sol von Cerihydroxyd  -  hergestellt durch Dialyse einer Lösung von Ceriammoniumnitrat in der Kälte  -  Elektrolyte zusetzt. Die Gallertbildung findet nicht statt bei dem Sol desselben Stoffes, das in der Hitze hergestellt ist.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19271640104
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  • 9
    Electronic Resource
    Electronic Resource
    Fällung von Silberchromaten aus wäßriger Lösung (1954)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 275 (1954), S. 257-259 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Zusammensetzung des Niederschlages, der bei Zusatz von Silbernitrat- zu einer Chromatlösung ausfällt, hängt vom PH der Chromatlösung und von den Konzentrationen der Ausgangslösugen ab. Obwohl sie sich unter bestimmten Bedingungen der Formel Ag2Cr2O7 nähert, kann diese Verbindung aus wäßriger Lösung nicht rein dargestellt werden.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19542750410
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  • 10
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    Unknown
    Nonlinear evolution of a large-amplitude circularly polarized Alfven wave: Low beta (1994)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: The nature of turbulent cascades arising from the parametric instabilities of a monochromatic field-aligned large-amplitude circularly polarized Alfven wave is investigated via direct numerical simulation for the case of low plasma Beta and no wave dispersion. The magnetohydrodynamic code permits nonlinear couplings in the parallel direction to the ambient magnetic field and one perpendicular direction. Compressibility is included in the form of a polytropic equation of state. Anisotropic turbulent cascades, similar to those found in early incompressible two-dimensional simulations, occur after nonlinear saturation of the parallel propagating decay instability. The turbulent spectrum can be divided into three regimes: the lowest wave numbers are dominated by lower sideband remnants of the parametric process, intermediate wave numbers display nearly incompressible dynamics, and the highest wave numbers are dominated by acoustic turbulence.
    Keywords: PLASMA PHYSICS
    Type: Journal of Geophysical Research (ISSN 0148-0227); 99; A7; p. 13,351-13,362
    Format: text
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