Processing method for grain-oriented lead-free piezoelectric Na0.5Bi0.5TiO3—BaTiO3 ceramics exhibiting giant performance

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dc.contributor.assigneeVirginia Tech Intellectual Properties, Inc.en
dc.contributor.departmentMechanical Engineeringen
dc.contributor.departmentInstitute for Critical Technology and Applied Science (ICTAS)en
dc.contributor.inventorPriya, Shashanken
dc.contributor.inventorMaurya, Deepamen
dc.date.accessed2019-02-15en
dc.date.accessioned2019-02-26T22:23:57Zen
dc.date.available2019-02-26T22:23:57Zen
dc.date.filed2013-10-31en
dc.date.issued2017-09-26en
dc.description.abstractTextured ceramic compositions having improved piezoelectric characteristics as compared with their random counterparts are provided. Methods of making the compositions and devices using them are also included. More particularly, compositions comprising textured ceramic Na0.5Bi0.5TiO3—BaTiO3(NBT-BT) materials synthesized from high aspect ratio NBT seeds exhibit improved characteristics, including an increased longitudinal piezoelectric constant (d33) and magnetoelectric coupling coefficient over randomly oriented NBT-BT. Additionally provided are compositions comprising of nanostructured Na0.5Bi0.5TiO3—BaTiO3 ferroelectric whiskers having a high aspect ratio. Nanostructured whiskers can be used to improve the piezoelectric properties of the bulk ceramics. The inventive materials are useful in microelectronic devices, with some finding particular application as multilayer actuators and transducers.en
dc.format.mimetypeapplication/pdfen
dc.identifier.applicationnumber14068687en
dc.identifier.patentnumber9773967en
dc.identifier.urihttp://hdl.handle.net/10919/87818en
dc.identifier.urlhttp://pimg-fpiw.uspto.gov/fdd/67/739/097/0.pdfen
dc.language.isoen_USen
dc.publisherUnited States Patent and Trademark Officeen
dc.subject.cpcC04B35/462en
dc.subject.cpcC04B35/475en
dc.subject.cpcC04B2235/3201en
dc.subject.cpcC04B2235/3215en
dc.subject.cpcC04B2235/3234en
dc.subject.cpcC04B2235/3236en
dc.subject.cpcC04B2235/3298en
dc.subject.cpcC04B2235/5276en
dc.subject.cpcC04B2235/5296en
dc.subject.cpcC04B2235/787en
dc.subject.cpcC04B2235/80en
dc.subject.cpcH01L41/16en
dc.subject.cpcH01L41/187en
dc.subject.cpcH01L41/083en
dc.subject.cpcH01L41/43en
dc.subject.cpcY10T428/325en
dc.titleProcessing method for grain-oriented lead-free piezoelectric Na0.5Bi0.5TiO3—BaTiO3 ceramics exhibiting giant performanceen
dc.typePatenten
dc.type.dcmitypeTexten
dc.type.patenttypeutilityen

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