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| hal.structure.identifier | Laboratoire des Matériaux Ferroélectriques [LMF] | |
| dc.contributor.author | ABDELKEFI, Helmi | |
| hal.structure.identifier | Laboratoire des Matériaux Ferroélectriques [LMF] | |
| dc.contributor.author | KHEMAKHEM, Hamadi | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | SIMON, Annie | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | MAGLIONE, Mario | |
| dc.date.issued | 2007 | |
| dc.identifier.issn | 0021-8979 | |
| dc.description.abstractEn | The ferroelectric, piezoelectric, and pyroelectric properties of Ba1−xNaxTi1−xNbxO3 with x=0.70 (BTNN0.70) lead-free ceramic were investigated. Polycrystalline sample with composition BTNN0.70 was prepared by using conventional dry ceramic technique. Sample was sintered at 1250 °C for 3 h under oxygen showed perovskite structure with high densities 4.92 g/cm3 (~96% as relative density). X-ray analysis confirmed the formation of single-phase compound with cubic crystal structure. Dielectric properties were studied in detail as a function of frequency and temperature. From temperature variation of dielectric constant, Curie temperature (TC) was determined. Discussion on hysteresis behavior for the sample at room temperature is presented. An essential relation between the piezoelectric properties and the ferroelectric nature of the ceramics was detected. The piezoelectric and pyroelectric coefficients of the ceramic were studied as a function of temperature. | |
| dc.language.iso | en | |
| dc.publisher | American Institute of Physics | |
| dc.subject.en | Barium compounds | |
| dc.subject.en | Crystal structure | |
| dc.subject.en | Dielectric hysteresis | |
| dc.subject.en | Ferroelectric ceramics | |
| dc.subject.en | Ferroelectric Curie temperature | |
| dc.subject.en | Ferroelectricity | |
| dc.subject.en | Permittivity | |
| dc.subject.en | Piezoceramics | |
| dc.subject.en | Piezoelectricity | |
| dc.subject.en | Pyroelectricity | |
| dc.subject.en | Sintering | |
| dc.subject.en | Sodium compounds | |
| dc.subject.en | Titanium compounds | |
| dc.subject.en | X-ray diffraction | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1063/1.2818146 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Journal of Applied Physics | |
| bordeaux.page | 114106 | |
| bordeaux.volume | 102 | |
| bordeaux.issue | 11 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00287803 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00287803v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Applied%20Physics&rft.date=2007&rft.volume=102&rft.issue=11&rft.spage=114106&rft.epage=114106&rft.eissn=0021-8979&rft.issn=0021-8979&rft.au=ABDELKEFI,%20Helmi&KHEMAKHEM,%20Hamadi&SIMON,%20Annie&MAGLIONE,%20Mario&rft.genre=article |
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