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By using rapid thermal annealing to enhance the interfacial diffusion, we studied the effect of inter-facial intermixing on magnetization and anomalous Hall effect (AHE) in two series of Co/Pd multilayers, i.e., [Co(x Å)/Pd(5.3 Å)]6 and [Co(x Å) /Pd(6.4 Å)]6 with x=3.1, 3.9, and 4.7.
Soft-magnetic amorphous alloys based on the ferromagnetic elements Fe, Co, Ni and their combination have attracted increasing interests since the discovery of the Fe-P-C system in 1967, because of their excellent soft-magnetic performances including high saturation flux density (Bs), low coercivity (Hc), high permeability, low core loss, and so on. By devoting subsequent great efforts, a variety of...
Sendust alloy (Fe-Si-Al) flaky particles were used as microwave absorbing material because of its excellent soft magnetic properties such as high saturation magnetization, high permeability, low magnetocrystalline anisotropy, and nearly zero magnetostriction.[1] The structure of FeSiAl alloy is similar to that of FeAl alloy; O. Ikeda etc.[2] studied the transformation among A2, B2 and DO3 structures...
Soft magnetic metal powders, such as Fe-Si-Al-Cr alloys or nanocrystalline metal alloys, have attracted considerable attention for shielding against electromagnetic interference (EMI) radiation. [1].
Size-controllable Si nanocrystals were fabricated by thermal annealing a-SiNx films that contain various Si/N ratios. The Raman spectra measurements show that the average grain size mainly relies on the Si/N ratios, and it can be reduced down to ~ 4nm by decreasing the Si/N ratio. It is also found that threshold crystallization temperature increases with the decrease in the Si/N ratios. The Fourier...
Polytetrafluoroethylene (PTFE) films with a void structure are prepared by the sintering process. Such void PTFE films are piezoelectric after proper corona charging. The quasi-static piezoelectric d33 coefficients up to 250 pC/N are obtained. Pre-ageing treatment is an effective method to further improve the thermal stability. For the samples with pre-ageing treatment, the the d33 coefficients are...
In the present study, an improved process for preparing thermally stable laminated sandwiches of non-porous fluoroethylenepropylene (FEP) and porous polytetrafluoroethylene (PTFE) films is described. Also, the thermal stability of the d33-coefficients for such fluorocarbon films is discussed.
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