Results 261 to 270 of about 112,080 (311)
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On the Electrical Conductivity of Metals
Proceedings of the Physical Society, 1959The exact formula for the electrical conductivity of a metal, derived by Kubo, Greenwood, and others, is evaluated using Van Hove's methods for quantum mechanical transport problems. The evaluation is restricted to the case of elastic scattering by impurities or lattice vibrations, but completely avoids the use of the customary random phase assumption.
Chester, G. V., Thellung, A.
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Electrical Conductivity of Proteins
Nature, 1962THERE has been considerable speculation in recent years on the nature of the current carriers in electrical conductivity of proteins. Up to 1943, the prevailing opinion was that the conductivity of proteins with adsorbed water was ionic. Then Baxter1 suggested that his results were more consistent with an electronic conduction mechanism both in the dry
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Electrically Conducting Polymers
Materials & Design, 1990Plastics have long been used as insulators throughout the electronics industry, but recently new classes of polymers have been discovered that have appreciable electronic conductivities. The best of these to date has a conductivity only a single order of magnitude below that of copper, while a surprising range of other polymers have conductivities just
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Electrical conductivity of metals
physica status solidi (b), 1968AbstractWith the help of Kubo formula an expression for the electrical conductivity of metals is obtained within the Hartree‐Fock approximation using the method of double time temperature dependent Green's function. A simple calculation of the relevant relaxation time appearing in the expression is presented.
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Electrical Conductivity: Foods
2010Electrical conductivity is a physical property of foods directly related to their ability to be heated by internal heat generation when subjected to an electric field. This entry analyzes the variables that can influence the value of electrical conductivity in foods and provides a review of the actual knowledge on this subject.
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Conducting Polymers: Electrical Conductivity
2007Abstract : While undoped polymers are insulators, doped conducting polymers have conductivities comparable to conventional metals and semiconductors despite their polymer chain structure. Models for the doping induced insulator-metal transition and the metallic conductivity of conducting polymers are introduced.
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Determination of Electric Conductivity and Local SAR Via B1 Mapping
IEEE Transactions on Medical Imaging, 2009Ulrich Katscher +2 more
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Electric field distribution based on radial nonuniform conductivity in HVDC XLPE cable insulation
IEEE Transactions on Dielectrics and Electrical Insulation, 2020Haiyang Ren +2 more
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