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    3. Development of an Effusive Molecular Beam Apparatus

    Development of an Effusive Molecular Beam Apparatus

    Posted By: step778
    Date: 31 May 2022 08:13:57
    Development of an Effusive Molecular Beam Apparatus

    Daniel Halwidl, "Development of an Effusive Molecular Beam Apparatus"
    English | 2016 | pages: 118 | ISBN: 3658135352 | PDF | 5,8 mb

    Daniel Halwidl presents the development of an effusive molecular beam apparatus, which allows the dosing of gases, liquids, and solids in ultra-high vacuum. The apparatus is designed to adsorb precise and reproducible doses to a defined area on metal oxide samples, which is required in Temperature Programmed Desorption and other surface chemistry experiments. The design and the construction of the apparatus is described. The properties of the molecular beam are experimentally confirmed. The beam profile has a core diameter of 3.5 mm and a standard core pressure of 4 x 10-8 mbar, while the background pressure is 4 orders of magnitude lower. 

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