WebRecently, high entropy alloys (HEAs) with body-centred cubic (BCC) single phase structures have attracted wide attention in many fields including hydrogen storage, due to their unique structural characteristics and excellent performance. Its novel design concept provides more possibilities for the investigation of advanced hydrogen storage materials, in which … WebThe "Yield" data in the third column represents the number of target atoms sputtered (ejected from the target) per argon ion striking the target with a kinetic energy of 600 ev. This energy is typical for an argon plasma. Magnetron design factors such as the magnetic field strength (and process parameters such as gas composition and pressure ...
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WebJan 31, 2003 · The goal of this thesis was to provide scientific and technical research results for developing and characterizing tantalum (Ta) coatings on steel substrates deposited by DC magnetron sputtering. Deposition of tantalum on steel is of special interest for the protection it offers to surfaces, e.g. the surfaces of gun barrels against the erosive wear … WebJun 7, 2024 · We observed clear changes of phases in the films from metallic bcc Ta to a mixture of bcc Ta (N) and hexagonal Ta 2 N, then sequentially to fcc TaN and a mixture of TaN with N-rich phases when the N 2 partial pressure increased from 0.0% to 30%. nachan farrate lyrics
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WebJun 13, 2016 · After heat treatment at 1000 °C the films began to crystalize, and while the NbTiAlSiN y films (N 2 = 4, 8 sccm) exhibit a face-centered cubic (FCC) structure, the NbTiAlSiW metallic films show a body-centered cubic (BCC) structure and then transit into a FCC structure composed of nanoscaled particles with increasing nitrogen flow rate. WebSputter deposited Ta films can have two crystallographic structures: (1) body center cubic (bcc) phase, characterized by high toughness and high ductility and (2) a tetragonal beta … WebApr 15, 1997 · Magnetron sputter deposition was used to fabricate body centered cubic (bcc) and A-15 crystal structure W thin films. Previous work demonstrated that the a … nachan farrate