EAN: 9783658135355

Bilder-Quelle: discount24.de - Sport-Freizeit

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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22.03.2025 um 07:14 Uhr

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