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Iron oxide thin films were prepared by the spray pyrolysis technique using different solvents such as water, ethylene glycol/water, and ethanol/water. The properties of the films were studied by Raman spectroscopy, X-ray diffraction (XRD), atomic force microscopy and magnetometry. New results of the role of solvent on the growth and crystal structure of iron oxide films are presented. It was found...
The influence of changes in lattice constant and binding energy of surface atoms of binary alloys on sputtering of deformed areas has been examined by a molecular-dynamic method. As a target we chose materials, which are used for coin manufacturing: tin bronze Cu 87 Sn and Ni–Fe alloys with different component concentration. Energy and spatial distributions of sputtered atoms before and after...
We present a design for a precision rotary air-bearing stage that can be used as a positioning system in vacuum applications, and evaluate its performance. The rotary stage used a vacuum-compatible air bearing, direct-drive motor, and high-resolution encoder to move precisely in a vacuum. The air bearing used a differential exhaust scheme with optimally designed parameters to minimize the air leakage...
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