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Cr/CrN nano-multilayers have been produced by varying the period and the degree of unbalancing in a magnetron sputtering system in order to study the influence of these parameters in the electrical properties. X-ray Diffraction (XRD) was used to investigate the microstructure characteristics of the multilayers and the Four Point Probe (FPP) technique in the Van der Pawn mode was used to evaluate electrical...
Multilayer oxide thin film stacks of aluminum doped zinc oxide (AZO) and tin doped indium oxide (ITO) have been sequentially deposited on soda lime glass substrates by RF sputtering of AZO and ITO ceramic targets at a substrate temperature of 150??C. The ratio of the AZO thickness to the ITO thickness is varied while keeping the total thickness of the stack constant. The electrical and optical properties...
The 0.95NKN-0.05CaTiO3 (0.95NKN-0.05CT) ceramics showed the high piezoelectric properties of d33=241, kp=0.41 and e3T/eo=1316. Therefore, the 0.95NKN-0.05CT ceramic is considered to be a promising candidate for lead-free piezoelectric material. However, its sintering temperature was high and Na2O evaporation occurred. Moreover, Na2O evaporation decreased the specimen resistivity and thus the poling...
We report thermoelectric characterization of Bi2-xSbxTe3 (x = 0.5, 1.0, and 1.5) synthesized by a solvothermal method using DMF as solvent. For Bi2Te3, the size of the edge and thickness of the hexagonal nanoplatelets are 200-250 nm and 20-25 nm, respectively. Bi2Te3 nanosheets appear to grow epitaxially from the surface of the Te tubes, which forms in the first step and acts as the template for the...
In efforts to obtain excellent-quality magnetic thin films for use in micro-inductance cores, amorphous Co-base films containing fine dispersed nitride particles were investigated. Sputter-deposited films were confirmed to have an amorphous structure, near-zero magnetostriction (??) and high electrical resistivity. TEM observations clarified that films were composed of two kinds of amorphous phase...
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