Daniel Halwidl provides the advance of an effusive molecular beam equipment, which permits the dosing of gases, drinks, and solids in ultra-high vacuum. The equipment is designed to adsorb certain and reproducible doses to an outlined zone on steel oxide samples, that's required in Temperature Programmed Desorption and different floor chemistry experiments. The layout and the development of the gear is defined. The houses of the molecular beam are experimentally proven. The beam profile has a center diameter of 3.5 mm and a customary center strain of four x 10-8 mbar, whereas the historical past strain is four orders of significance lower.
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