| 释义 |
piezoelectric, a. and n.|paɪˌiːzəʊɪˈlɛktrɪk, ˌpaɪɪ-|
Also piezo-electric.
[f. piezo- + electric a. and n.]
A. adj. Of, pertaining to, exhibiting, or utilizing piezoelectricity.
1883Jrnl. Chem. Soc. XLIV. 412 (heading) Actinoelectric and piezoelectric properties of quartz. 1921Physical Rev. XVII. 531 The possibility is discussed of using the piezo⁓electric resonator for a standard of high frequency. 1947Crowther & Whiddington Science at War iv. 175 Modified quartz piezo-electric hydrophones were used to measure vibrations as low as 1 cycle per second. 1958N. Cusack Electr. & Magn. Prop. Solids xviii. 410 The piezoelectric properties of Rochelle salt have been widely used in gramophone pick-ups, microphones, loudspeakers, surface roughness analysers, and other electromechanical devices. 1972Last Whole Earth Catalog (Portola Inst.) 88/2 The piezoelectric effect has been observed in a number of organic materials, among them wood, bone, tendon and skin. 1973M. Woodhouse Blue Bone xvii. 190 He was talking about some kind of reversed piezoelectric effect. 1977Rolling Stone 7 Apr. 88/1 (Advt.), But only Ovation's six-element piezo-electric pickup captures both top and individual string vibration.
B. n. A piezoelectric substance or body.
1913Phil. Mag. XXVI. 1053 These high resistances..are both cheaper and easier to use than either standard capacities or quartz piezoelectrics. 1971B. Jaffe et al. Piezoelectric Ceramics i. 1 The creation of useful piezo⁓electrics by treatment of a polycrystalline material depends on ferroelectricity. 1975Physics Bull. May 212/3 For economic and technical reasons the piezoelectrics most commonly used for SAW generation are lithium niobate and quartz.
Hence piezoeˈlectrical a. = piezoelectric a.; piezoeˈlectrically adv., as regards, or by means of, piezoelectricity.
1923Physical Rev. XXI. 350 Quartz, another piezo⁓electrically active substance. 1937Discovery Jan. 22/1 One method of producing them [sc. ultra-sounds]..is to employ the piezo-electrical effect in quartz. 1969Sci. Jrnl. Aug. 21/2 Current from the voltage source is fed through a superconductive coil which is vibrated by a piezoelectrically driven metal tuning fork. 1976Physics Bull. Feb. 61/3 New techniques include..very high frequency phonon generation..using a far infrared laser on a piezoelectrical crystal. |