complex permittivity

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• Permittivity — A dielectric medium showing orientation of charged particles creating polarization effects. Such a medium can have a higher ratio of electric flux to charge (permittivity) than empty space In electromagnetism, absolute permittivity is the measure …   Wikipedia

• Relative permittivity — Relative static permittivities of some materials at room temperature under 1 kHz[1] Material εr Vacuum 1 (by definition) Air 1.00058986 ± 0.00000050 (at STP, for 0.9 MH …   Wikipedia

• Relative static permittivity — The relative static permittivity (or static relative permittivity) of a material under given conditions is a measure of the extent to which it concentrates electrostatic lines of flux. It is the ratio of the amount of stored electrical energy… …   Wikipedia

• Charge-transfer complex — A charge transfer complex (CT complex) or electron donor acceptor complex is an association of two or more molecules, or of different parts of one very large molecule, in which a fraction of electronic charge is transferred between the molecular… …   Wikipedia

• Charge transfer complex — A charge transfer complex (or CT complex, electron donor acceptor complex) is a chemical association of two or more molecules, or of different parts of one very large molecule, in which the attraction between the molecules (or parts) is created… …   Wikipedia

• Mathematical descriptions of opacity — When an electromagnetic wave travels through a medium in which it gets absorbed (this is called an opaque or attenuating medium), it undergoes exponential decay as described by the Beer–Lambert law. However, there are many possible ways to… …   Wikipedia

• Dielectric — A dielectric is an electrical insulator that can be polarized by an applied electric field. When a dielectric is placed in an electric field, electric charges do not flow through the material, as in a conductor, but only slightly shift from their …   Wikipedia

• Dielectrophoresis — (or DEP) is a phenomenon in which a force is exerted on a dielectric particle when it is subjected to a non uniform electric field.[1][2][3][4][5] This force does not require the particle to be …   Wikipedia

• Metamaterial absorber — A metamaterial absorber manipulates the loss components of the complex effective parameters, permittivity and magnetic permeability of metamaterials, to create a material with particularly high absorption. Loss is noted in applications of… …   Wikipedia

• Skin depth — is a measure of the distance an alternating current can penetrate beneath the surface of a conductor.When an electromagnetic wave interacts with a conductive material, mobile charges within the material are made to oscillate back and forth with… …   Wikipedia

• Photonic metamaterial — Electromagnetism Electricity · …   Wikipedia