Browsing by Author "Thomas, Frederic"

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    A large-volume gas cell for high-energy X-ray reflectivity investigations of interfaces under pressure
    (Wiley-blackwell, 2011)
    Venturini, Federica
    ;
    Schoeder, Sebastian
    ;
    Kuhs, Werner F.  
    ;
    Honkimaeki, Veijo
    ;
    Melesi, Louis
    ;
    Reichert, Harald
    ;
    Schober, Helmut
    ;
    Thomas, Frederic
    A cell for the investigation of interfaces under pressure is presented. Given the pressure and temperature specifications of the cell, P < 100 bar and 253 K < T < 323 K, respectively, high-energy X-rays are required to penetrate the thick Al(2)O(3) windows. The CH(4)(gas)/H(2)O(liquid) interface has been chosen to test the performance of the new device. The measured dynamic range of the high-energy X-ray reflectivity data exceeds 10-8, thereby demonstrating the validity of the entire experimental set-up.