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Half-metallic nature has been experimentally reported for some Cobalt (Co)-based full Heusler alloys, such as Co2MnSi [1], Co2(Fe-Mn)Si [2], Co2Fe(Al-Si) [3]. As has been reported in references [2, 3], it is effective to tune the material composition using a “4th element” for maximizing the spin polarization of the conduction electron. At the same time, such a 4th element sometimes increases the exchange...
Fast precessional dynamics of magnetization are reported in very thin films of CoCrPt alloy with large perpendicular magnetic anisotropy. The films are fabricated with different substrate temperatures, and magnetization dynamics are investigated using time-resolved magneto-optical Kerr effect. The Kittel's equation well describes a dependency of magnetization precession frequency on an applied magnetic...
A comprehensive study of low-k/Cu integration featuring short TAT (turnaround time) silylated scalable porous silica (Po-SiO, k=2.1) with high porosity (50%) is presented. The TAT for silylation is about 25% reduced by adding a promoter, causing reinforcement of the film. Applying this improved Po-SiO, 140 nm pitch dual damascene structure is successfully achieved. The wiring capacitance showed 10%...
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