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ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics最新文献

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Low temperature preparation of sol-gel PZT thin films for pyroelectric and other integrated devices 热释电及其它集成器件用溶胶-凝胶PZT薄膜的低温制备
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.602739
J. C. Gunter, S. Streiffer, A. Kingon
{"title":"Low temperature preparation of sol-gel PZT thin films for pyroelectric and other integrated devices","authors":"J. C. Gunter, S. Streiffer, A. Kingon","doi":"10.1109/ISAF.1996.602739","DOIUrl":"https://doi.org/10.1109/ISAF.1996.602739","url":null,"abstract":"Thin films of lead zirconate titanate (PZT) were prepared using a modified sol-gel technique. The samples were annealed on a hotplate at 500/spl deg/C. The technique yields films crystallized into (111) textured perovskite. The ferroelectric properties of the best film gave a remnant polarization value of 20.0 /spl mu/C/cm/sup 2/ and coercive field of 44 kV/cm. The microstructure of the film was determined to be fine grained and columnar. Permittivity for the sample was determined to be 1100. Indications of factors influencing the lowering of crystallization temperatures were observed.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"21 5 1","pages":"223-226 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83897847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Crystal structure analysis of ferroelectric tetragonal tungsten bronze Pb/sub 0.596/Ba/sub 0.404/Nb/sub 2.037/O/sub 6/ 铁电四方钨青铜Pb/sub 0.596/Ba/sub 0.404/Nb/sub 2.037/O/sub 6/的晶体结构分析
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.602742
R. Guo, H. T. Evans, A. Bhalla
{"title":"Crystal structure analysis of ferroelectric tetragonal tungsten bronze Pb/sub 0.596/Ba/sub 0.404/Nb/sub 2.037/O/sub 6/","authors":"R. Guo, H. T. Evans, A. Bhalla","doi":"10.1109/ISAF.1996.602742","DOIUrl":"https://doi.org/10.1109/ISAF.1996.602742","url":null,"abstract":"Lead barium niobate single crystals of the composition Pb/sub 0.596/Ba/sub 0.404/Nb/sub 2.037/O/sub 6/ near the tetragonal orthorhombic morphotropic phase boundary with tetragonal symmetry at room temperature, were the subject of this study. For the first time, the crystallographic details, including the ionic coordination, the site occupancies and the thermal anisotropy of a lead-containing tetragonal tungsten bronze crystal are determined. This paper reports the structural refinement results, the site-preference by cations and vacancies, the macroscopic polarization properties derived from the cation displacement, and the apparent valences determined by the bonding distance. Unlike other non-lead-containing ferroelectric tungsten bronzes, significant polarization contribution can be attributed to cations (Pb2/sup +/ and Ba/sup 2/+) at the A2-site. Large anisotropic thermal coefficients found for cations at the A2-site further strengthens the local polarization fluctuation model and suggests the local polarization components are perpendicular to the minor plane along the <110> direction.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"9 1","pages":"241-244 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88987930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Crystal growth and ferroelectric related properties of (1-x)Pb(A/sub 1/3/Nb/sub 2/3/)O/sub 3/-xPbTiO/sub 3/ (A=Zn/sup 2+/, Mg/sup 2+/) (1-x)Pb(A/sub 1/3/Nb/sub 2/3/)O/sub 3/-xPbTiO/sub 3/ (A=Zn/sup 2+/， Mg/sup 2+/)的晶体生长及铁电相关性质
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.602714
Seung-Eek Park, M. Mulvihill, P. Lopath, M. Zipparo, T. Shrout
{"title":"Crystal growth and ferroelectric related properties of (1-x)Pb(A/sub 1/3/Nb/sub 2/3/)O/sub 3/-xPbTiO/sub 3/ (A=Zn/sup 2+/, Mg/sup 2+/)","authors":"Seung-Eek Park, M. Mulvihill, P. Lopath, M. Zipparo, T. Shrout","doi":"10.1109/ISAF.1996.602714","DOIUrl":"https://doi.org/10.1109/ISAF.1996.602714","url":null,"abstract":"Crystals of (1-x)Pb(A/sub 1/3/Nb/sub 2/3/)O/sub 3/-xPbTiO/sub 3/ (A=Zn/sup 2+/, Mg/sup 2+/) were grown by the flux technique. The dielectric and piezoelectric properties as a function of composition and crystal orientation have been evaluated. Both MPB and non-MPB crystals were found to possess high piezoelectric properties. Values of longitudinal electromechanical coupling coefficients (k/sub 33/)>90%, dielectric constants ranging from 3000 to 5000 with low dielectric loss <1% were observed for rhombohedral crystals. Tetragonal crystals with increased PbTiO/sub 3/ content exhibited large thickness coupling coefficients (k/sub T/)>63% with relatively low dielectric constant (/spl sim/1000). Ultrahigh values of piezoelectric coefficients (d/sub 33/)>2000 pC/N were also measured for non-MPB crystals and confirmed by direct E-field strain measurements. These properties are briefly discussed in relation to device performance.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"29 1","pages":"79-82 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85630685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Ferroelectrics as microwave absorbent packaging 作为微波吸收材料的铁电材料
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598155
L. Pereverzeva, Y. Poplavko, Y. S. You
{"title":"Ferroelectrics as microwave absorbent packaging","authors":"L. Pereverzeva, Y. Poplavko, Y. S. You","doi":"10.1109/ISAF.1996.598155","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598155","url":null,"abstract":"Microwave dielectric dispersion in ferroelectrics covers the 1-100 GHz frequency range, so ferroelectric ceramic powder can be used as the main component of a composite with dielectric percolation. In addition, new results were obtained in solid ceramics-on-metal non-reflective coating realization. An appropriate compromise between ceramic layer thickness and the real and imaginary parts of dielectric constant was established theoretically and verified by experiments.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"61 1","pages":"841-843 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82182393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acoustic emission (AE) measurement in piezoelectric ceramics 压电陶瓷的声发射测量
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598164
H. Aburatani, K. Uchino
{"title":"Acoustic emission (AE) measurement in piezoelectric ceramics","authors":"H. Aburatani, K. Uchino","doi":"10.1109/ISAF.1996.598164","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598164","url":null,"abstract":"A self vibration of piezoelectric ceramics caused by a power supply through a feedback system was observed during AE measurements. Significantly different results from previous reports were obtained by eliminating the self vibration of the ceramics. The AE generation in PZT was mostly caused by 180/spl deg/ domain reorientation.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"6 1","pages":"871-873 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85379248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of mechanical stress on the electromechanical performance of PZT and PMN-PT ceramics 机械应力对PZT和PMN-PT陶瓷机电性能的影响
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598190
J. Zhao, Q.M. Zhang
{"title":"Effect of mechanical stress on the electromechanical performance of PZT and PMN-PT ceramics","authors":"J. Zhao, Q.M. Zhang","doi":"10.1109/ISAF.1996.598190","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598190","url":null,"abstract":"The properties of several piezoceramics such as soft PZT and hard PZT and relaxor ferroelectric 0.9PMN-0.1PT under uniaxial stress were characterized. It was observed that uniaxial compressive stresses have a marked effect on the soft PZT, including reducing the piezoelectric coefficient and depoling the sample at a relatively low stress level. On the other hand, the uniaxial compressive stress increases the piezoelectric coefficients in hard PZT. The different response to the stress between the hard and soft PZT was elucidated here. The influence of uniaxial stress on 0.9PMN-0.1PT depends on the DC electric field applied to it. The change of the elastic compliance with uniaxial stress was also dealt with.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"20 1","pages":"971-974 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79131877","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
Thin-film ZnO ultrasonic transducers for tissue characterization 用于组织表征的薄膜ZnO超声换能器
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.602715
Y. Ito, K. Yokosawa, S. Sano, R. Shinomura, Y. Sato
{"title":"Thin-film ZnO ultrasonic transducers for tissue characterization","authors":"Y. Ito, K. Yokosawa, S. Sano, R. Shinomura, Y. Sato","doi":"10.1109/ISAF.1996.602715","DOIUrl":"https://doi.org/10.1109/ISAF.1996.602715","url":null,"abstract":"Thin-film ZnO ultrasonic transducers for operation at 140 MHz mounted in a rod-shaped probe were fabricated and evaluated for use in tissue characterization. Highly oriented ZnO films 12.5-/spl mu/m thick were successfully grown for use as transducers having sufficient sensitivity to detect small ultrasound signals inside living samples. The ZnO transducer was mounted in the rod-shaped probe which could rotate mechanically around its axis and shift along the axis. Using this scanning, tissue images were formed in the C-scan mode in a cylindrical plane within the tissue. Preliminary bovine kidney images demonstrate the feasibility of tissue imaging using the miniature, high-frequency transducers mounted in the rod-shaped probe.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"73 1","pages":"83-86 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75669636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Preparation and characterization of lanthanum-modified lead titanate thin films 镧修饰钛酸铅薄膜的制备与表征
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598144
M. Algueró, L. Pardo, M. Calzada
{"title":"Preparation and characterization of lanthanum-modified lead titanate thin films","authors":"M. Algueró, L. Pardo, M. Calzada","doi":"10.1109/ISAF.1996.598144","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598144","url":null,"abstract":"Lanthanum-modified lead titanate (PTL) ferroelectric thin films are prepared by a recently developed diol-based sol-gel route. Different microstructures are obtained by varying the heating rate during the thermal treatment. Ferroelectric hysteresis loops, pulse response and a.c. current density measurements are carried out to study the thin film electrical behaviour. Conduction is found to be non-negligible. Switchable polarization and coercive field are higher in films heated at a rate higher than 500/spl deg/C/min than in those heated at 10/spl deg/C/min.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"33 1","pages":"797-800 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80808621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Quartz temperature and pressure sensors 石英温度和压力传感器
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598093
Y. Poplavko, L. Pereverzeva
{"title":"Quartz temperature and pressure sensors","authors":"Y. Poplavko, L. Pereverzeva","doi":"10.1109/ISAF.1996.598093","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598093","url":null,"abstract":"Pyroelectric effect as well as volumetric piezoeffect are vectorial responses on scalar influences that usually are possible only in the crystals which symmetry belongs to pyroelectrics. Being good material for microelectronics, stress-free quartz is not pyroelectric. We use partial clamping conditions to convert this crystal into \"artificial pyroelectric\" by decrease its response symmetry.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"4 1","pages":"639-642 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75873433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Stress-induced effects in PLZT ceramics PLZT陶瓷的应力诱导效应
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.602712
G. Haertling
{"title":"Stress-induced effects in PLZT ceramics","authors":"G. Haertling","doi":"10.1109/ISAF.1996.602712","DOIUrl":"https://doi.org/10.1109/ISAF.1996.602712","url":null,"abstract":"Soft, high lead-containing ferroelectric ceramic materials such as PLZT are known to be highly vulnerable to the effects of mechanical stress at room and elevated temperatures as a consequence of their ferroelastic and pyroplastic natures which are usually manifested in some form of nonlinear behaviour within the material. Examples of such behaviour include: (1) hydrostatic and shock-wave stimulated structural phase transformations as in stress-induced depoling of explosive-to-electrical (EET) transducers, (2) mechanically stimulated domain reorientation as in shape memory effects and Rainbow de,ices, (3) mechanically stimulated electrooptic effects as in ferroelectric picture (Ferpic) devices and Rainbows, (4) mechanically stimulated strength effects and (5) thermo-mechanically stimulated dimensional changes as in high temperature creep. The improved utility or increased sensitivity of these materials as a result of stress-enhancing techniques is described.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"40 1","pages":"65-68 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80099285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
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