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- Piezoelectricity abstract "Piezoelectricity /piˌeɪzoʊˌilɛkˈtrɪsɪti/ is the electric charge that accumulates in certain solid materials (such as crystals, certain ceramics, and biological matter such as bone, DNA and various proteins) in response to applied mechanical stress. The word piezoelectricity means electricity resulting from pressure. It is derived from the Greek piezo (πιέζω) or piezein (πιέζειν), which means to squeeze or press, and electric or electron (ήλεκτρον), which means amber, an ancient source of electric charge. Piezoelectricity was discovered in 1880 by French physicists Jacques and Pierre Curie.The piezoelectric effect is understood as the linear electromechanical interaction between the mechanical and the electrical state in crystalline materials with no inversion symmetry. The piezoelectric effect is a reversible process in that materials exhibiting the direct piezoelectric effect (the internal generation of electrical charge resulting from an applied mechanical force) also exhibit the reverse piezoelectric effect (the internal generation of a mechanical strain resulting from an applied electrical field). For example, lead zirconate titanate crystals will generate measurable piezoelectricity when their static structure is deformed by about 0.1% of the original dimension. Conversely, those same crystals will change about 0.1% of their static dimension when an external electric field is applied to the material. The inverse piezoelectric effect is used in production of ultrasonic sound waves.Piezoelectricity is found in useful applications, such as the production and detection of sound, generation of high voltages, electronic frequency generation, microbalances, to drive an ultrasonic nozzle, and ultrafine focusing of optical assemblies. It is also the basis of a number of scientific instrumental techniques with atomic resolution, the scanning probe microscopies, such as STM, AFM, MTA, SNOM, etc., and everyday uses, such as acting as the ignition source for cigarette lighters, push-start propane barbecues, and quartz watches.".
- Piezoelectricity thumbnail SchemaPiezo.gif?width=300.
- Piezoelectricity wikiPageExternalLink PiezoMat.org.
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- Piezoelectricity wikiPageWikiLink Acceleromyograph.
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- Piezoelectricity wikiPageWikiLink Acousto-optic_modulator.
- Piezoelectricity wikiPageWikiLink Actuator.
- Piezoelectricity wikiPageWikiLink Amber.
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- Piezoelectricity wikiPageWikiLink Antoine_César_Becquerel.
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- Piezoelectricity wikiPageWikiLink Category:Condensed_matter_physics.
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- Piezoelectricity wikiPageWikiLink Cavitation.
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- Piezoelectricity wikiPageWikiLink Elasticity_(physics).
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- Piezoelectricity wikiPageWikiLink Ferroelectricity.
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- Piezoelectricity wikiPageWikiLink France.
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- Piezoelectricity wikiPageWikiLink Frequency_multiplier.
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- Piezoelectricity wikiPageWikiLink Friction.
- Piezoelectricity wikiPageWikiLink Fuel_injection.
- Piezoelectricity wikiPageWikiLink Gabriel_Lippmann.
- Piezoelectricity wikiPageWikiLink Gallium_phosphate.
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- Piezoelectricity wikiPageWikiLink Goodyear_Tire_and_Rubber_Company.
- Piezoelectricity wikiPageWikiLink Greek_language.
- Piezoelectricity wikiPageWikiLink Head_(company).