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dielectric density

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  • Dielectric elastomers — (DEs) are smart material systems which produce large strains (up to 300%[citation needed]) and belong to the group of electroactive polymers (EAP). Based on their simple working principle dielectric elastomer actuators (DEA) transform electric… …   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

  • Dielectric spectroscopy — A dielectric permittivity spectrum over a wide range of frequencies. The real and imaginary parts of permittivity are shown, and various processes are depicted: ionic and dipolar relaxation, and atomic and electronic resonances at higher energies …   Wikipedia

  • Dielectric gas — A dielectric gas, or insulating gas, is a dielectric material in gaseous state. Its main purpose is to prevent or rapidly quench electric discharges. Dielectric gases are used as electrical insulators in high voltage applications, e.g.… …   Wikipedia

  • Dielectric heating — A microwave oven, which uses dielectric heating to cook food Dielectric heating, also known as electronic heating, RF heating, high frequency heating and diathermy, is the process in which a high frequency alternating electric field, or radio… …   Wikipedia

  • dielectric flux density — elektrinio srauto tankis statusas T sritis fizika atitikmenys: angl. dielectric flux density; electric flux density vok. dielektrische Flußdichte, f; elektrische Flußdichte, f rus. плотность электрического потока, f pranc. densité de flux… …   Fizikos terminų žodynas

  • Polarization density — In classical electromagnetism, the polarization density (or electric polarization, or simply polarization) is the vector field that expresses the density of permanent or induced electric dipole moments in a dielectric material. The polarization… …   Wikipedia

  • High-k dielectric — The term high κ dielectric refers to a material with a high dielectric constant (κ) (as compared to silicon dioxide) used in semiconductor manufacturing processes which replaces the silicon dioxide gate dielectric. The implementation of high κ… …   Wikipedia

  • Gate dielectric — A gate dielectric is a dielectric used between the gate and substrate of a field effect transistor. In state of the art processes, the gate dielectric is subject to many constraints, including:* Electrically clean interface to the substrate (low… …   Wikipedia

  • High-density polyethylene — HDPE has SPI resin ID code 2 High density polyethylene (HDPE) or polyethylene high density (PEHD) is a polyethylene thermoplastic made from petroleum. It takes 1.75 kilograms of petroleum (in terms of energy and raw materials) to make one… …   Wikipedia

  • Distortion free energy density — The Distortion free energy density is a quantity that describes the distortion of a liquid crystal from its preferred state in which all of the liquid crystal molecules are aligned parallel to one common axis. It also commonly goes by the name… …   Wikipedia

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