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  • Electronic Resource  (2)
  • 1990-1994  (2)
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  • Electronic Resource  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    The phase transition temperature at 145 K in cadmium calcium acetate hexahydrate as a function of Cu2+ probe concentration (1992)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 97 (1992), S. 482-484 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The temperature of the structural phase transition in cadmium calcium acetate hexahydrate as a function of Cu2+ concentration has been studied with electron paramagnetic resonance (EPR). The phase transition temperature was found to vary from 144 to 124 K as the amount of copper varied from 0.07% to 1.3% of the sample weight. An extrapolation of this data predicts a structural phase transition at 145 K in pure cadmium calcium acetate hexahydrate. Good fits of the data to second-order phase transition theory was obtained with critical exponents close to 0.30.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.463944
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Plasma soft x-ray source generated by 4-ns excimer laser pulses (1992)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 60 (1992), S. 425-427 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A XeCl excimer laser system is described which generates short-duration (4 ns) pulses of up to 980 mJ in energy. Pulses of 800 mJ have been focused to an intensity of ∼2×1012 W cm−2 on an iron target to produce soft x rays. Measurements of x rays in the 0.8–1.4-keV range have demonstrated 44 mJ energy per pulse into 2π sr, and a pulse width of 5.3 ns (FWHM). The estimated laser to x-ray energy conversion efficiency was ∼5.5%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.106623
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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