Calculations were carried out for a polycrystalline copper film. It was found that for a thick film and for large grain diameters the strain coefficient of resistivity is the same as for the bulk material. However, for grains of small diameter and for ultrathin films the coefficient tends to ...
Electrical Resistivity of Copper Films by Partially Ionized Beam Deposition Copper films on Si(100) were prepared by partially ionized beam at 0 kV and 3 kV acceleration voltages in order to investigate effects of ion energy on ele... S Han,KH Yoon,KH Kim,... - 《Mrs Proceedings》 被引...
Copper phthalocyanine — carbon black mixtures in which carbon black content is closed to the percolation threshold as the material is heated show regions of negative and positive temperature coefficients of resistivity. The model explaining mechanism PTC of resistance in these mixtures is proposed.关键...
I added a new material using Library->Materials/Coefficient Library and entered values for e.g. electrical resistivity and conductivity, but I did not find a field to enter the Temperature coefficient of the resistivity (a or alpha). In the materials library I could defin...
摘要: PURPOSE: To adjust the electric resistivity of a metallic material and to give relatively high electric resistivity temperature coefficient by heat treating the metallic material at a specific temperature after adjusting the hardness of metallic by rolling, etc....
- 《Journal of Physics D》 被引量: 3发表: 2002年 Optimisation of the performance characteristics of Cu-Al-Mo thin film resistors This thesis presents a novel approach to the manufacture of thin film resistors using a new low resistivity material of copper, aluminium and molybdenum, w... M ...
Electric traction motor brush Determination want the following items: brush size and machining accuracy, brush braided strength, riveting parts of resistance, resistivity, hardness, ash content and its composition, volume ratio, porosity, compressive strength, flexural strength, elastic modulus, friction ...
The electrical resistivity and absolute thermoelectric power of the liquid Cux–Bi(1 x ) system have been measured over the whole composition range from the liquidus to 1100°C. The thermal conductivity is deduced from measurements of these two properties. The experimental results are interpreted ...
The variation of the Hall coefficient of polyvalent metal alloys as a function of the composition has been explained by the variation of the resistivity with composition, adopting a simple two band model and assuming the time of relaxation for the solute atom scattering {τ}{\propto}x(1-x)....
At least three samples with the total number of specimens of 6 were utilized to take resistivity values for each CF content studied. Specimen surface was covered by a silver paste in order to ensure good electrical contact with the copper electrodes. Re- sistivity was measured through the ...