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The polycrystalline samples of BaSi2, SrSi2, and LaSi were prepared by spark plasma sintering (SPS). The electrical resistivity (rho) and Seebeck coefficient (S) were measured above room temperature. The S of BaSi2 was negative and the absolute values were rather high (-669 muVK-1 at 337 K). The S of SrSi2 was positive and the absolute values were lower (118 muVK-1 at 332 K) than those of BaSi2. For...
In this paper, the processes associated with the electrodeposition of Selenium on Au substrates from nitric acidic solutions were investigated by combined electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) measurements. The analyses reveal that H2SeO3 in the solution is firstly adsorbed on the surface of Au electrode during cathodic polarization and subsequently reduced to Se...
Fe0.7Co0.3 alloy has a large magnetostriction value and a high saturation magnetization. We have investigated the magnetostriction and magnetic properties of bec Fe-Co-RE (RE a rare earth element) films. These films were prepared by dc triode sputtering. Addition of the RE elements Pr and Tb was found to increase the magnetostriction, while addition of the RE elements Ce, Nd, Sm and Er decreased it...
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