paraelectric phase

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• Paraelectricity — is the ability of many materials (specifically ceramic crystals) to become polarized under an applied electric field. Unlike Ferroelectricity; this can happen even if there is no permanent electric dipole that exists in the material, and removal… …   Wikipedia

• Rubidiumhydrogensulfat — Strukturformel    Allgemeines …   Deutsch Wikipedia

• Electron irradiation — is a process which involves using electrons, usually of high energy, to treat an object for a variety of purposes. This may take place under elevated temperatures and nitrogen atmosphere. Possible uses for electron irradiation include… …   Wikipedia

• Ferroelectricity — is a property of certain materials which possess a spontaneous electric polarization that can be reversed by the application of an external electric field.[1][2] The term is used in analogy to ferromagnetism, in which a material exhibits a… …   Wikipedia

• Strontium titanate — Systematic name Strontium(2+) oxotitaniumbis(olate)[ …   Wikipedia

• Group (mathematics) — This article covers basic notions. For advanced topics, see Group theory. The possible manipulations of this Rubik s Cube form a group. In mathematics, a group is an algebraic structure consisting of a set together with an operation that combines …   Wikipedia

• Plasma stealth — is a proposed process that uses ionized gas (plasma) to reduce the radar cross section (RCS) of an aircraft. Interactions between electromagnetic radiation and ionized gas have been extensively studied for a variety of purposes, including the… …   Wikipedia

• Furtivité à plasma — Plasma stealth La plasma stealth (« furtivité à plasma ») est une théorie qui se propose de réduire la surface équivalente radar (SER) d un avion en utilisant un gaz ionisé (plasma). Les interactions entre un rayonnement… …   Wikipédia en Français

• Plasma stealth — La plasma stealth (« furtivité à plasma ») est une théorie qui se propose de réduire la surface équivalente radar (SER) d un avion en utilisant un gaz ionisé (plasma). Les interactions entre un rayonnement électromagnétique et un gaz… …   Wikipédia en Français