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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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Antiferroelectric-to-ferroelectric phase switching PLSnZT ceramics. I. Structure, compositional modification and electrical properties 反铁电-铁电相开关PLSnZT陶瓷。1 .结构、成分改性和电性能
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.602747
M. Pan, K. Markowski, S. Park, S. Yoshikawa, L. Cross
{"title":"Antiferroelectric-to-ferroelectric phase switching PLSnZT ceramics. I. Structure, compositional modification and electrical properties","authors":"M. Pan, K. Markowski, S. Park, S. Yoshikawa, L. Cross","doi":"10.1109/ISAF.1996.602747","DOIUrl":"https://doi.org/10.1109/ISAF.1996.602747","url":null,"abstract":"Electric field induced antiferroelectric-to-ferroelectric (AFE-FE) phase transformation is usually accompanied by large strain, which is attractive for actuator applications. In this study, the AFE-FE switching of lead lanthanum stannate zirconate titanate (PLSnZT) was investigated and efforts were made to find high strain compositions with low switching field and hysteresis. Compositional modifications on both the A- and B- site were attempted in order to modify material properties. The B-site modifications were completed through manipulation of the Ti:Sn and Zr:Sn ratios. On the other hand, the A-site modifications were accomplished by the addition of Ba and Sr. It was demonstrated that one can tailor material properties to fit specific application requirements through compositional modifications.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"8 1","pages":"267-270 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89495418","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: 5
Multilayered multifunctional ceramic materials by tape casting 用胶带铸造的多层多功能陶瓷材料
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598134
T. McNulty, V. Janas, A. Safari
{"title":"Multilayered multifunctional ceramic materials by tape casting","authors":"T. McNulty, V. Janas, A. Safari","doi":"10.1109/ISAF.1996.598134","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598134","url":null,"abstract":"Compatibility studies were performed on several electro-ceramic materials for possible usage in multilayered multifunctional ceramic (MMC) devices. Ceramic tape cast sheets were made using BaTiO/sub 3/, (Ni,Zn)Fe/sub 2/O/sub 4/, and 70% Al/sub 2/O/sub 3/ electrical porcelain powders. These materials were then laminated and co-fired to yield monolithic ceramic blocks. EDS dot maps of the material interfaces show that cross-reactivity between sheets was minimal allowing for their usage in complex 3-D circuitry.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"3 1","pages":"755-758 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79139544","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: 5
Fabrication and optical characterization of thin film composites for coplanar phase shifters 共面移相器薄膜复合材料的制备及光学特性
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598160
S. Sengupta, L. Sengupta
{"title":"Fabrication and optical characterization of thin film composites for coplanar phase shifters","authors":"S. Sengupta, L. Sengupta","doi":"10.1109/ISAF.1996.598160","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598160","url":null,"abstract":"Oxide composites of barium strontium titanium oxide (BSTO) have been fabricated in thin film form by the pulsed laser deposition (PLA) method. The amount of the oxide additive in the BSTO matrix was varied from 1 wt% to 60 wt%. The thin films were deposited on single crystal sapphire substrates. The intent of this work is to study the effect of the oxide additive on the crystal structure of BSTO and compare it to its bulk ceramic counterpart. Glancing angle X-ray diffraction (GAXRD), Fourier transform Raman spectroscopy (FT-Raman), and Fourier transform Infrared spectroscopy (FT-IR) were utilized in this work. Since the bulk ceramics of these composites of BSTO have already been implemented in low loss electronic scanning antennas, it is necessary to characterize the material in its thin film form for applications at higher microwave frequencies (>35 GHz).","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"11 1","pages":"855-858 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86229397","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
Structure and properties of rapid thermal annealed (RTA) BaTiO/sub 3/ thin films on silicon 硅表面快速热退火(RTA) BaTiO/ sub3 /薄膜的结构与性能
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598094
J. Sundeen, R. Roseman, R. Buchanan
{"title":"Structure and properties of rapid thermal annealed (RTA) BaTiO/sub 3/ thin films on silicon","authors":"J. Sundeen, R. Roseman, R. Buchanan","doi":"10.1109/ISAF.1996.598094","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598094","url":null,"abstract":"BaTiO/sub 3/ thin films were rf-sputtered on Si(100) and platinized Si(100) substrates under controlled substrate temperature and ambient. Dense, single phase films with strongly preferred orientation in the film thickness range of 0.7 /spl mu/m, and uniform grain sizes up to 0.25 /spl mu/m were obtained under rapid thermal annealing (RTA) heat treatment in a refractory infrared furnace. Electrical measurements including dielectric, pyroelectric and photoelectric response characteristics were carried out. Flat capacitance response (/spl epsi//sub r/=60) and low loss factor (D/spl ap/1-2%) was obtained over a wide frequency range of 100-100 kHz for an optimal specimen. Pyroelectric coefficients determined for the films were in the range of 10/sup -9/ C/cm/sup 2/ K, but significantly strong photovoltages of >900 V/cm, on a 0.6 cm/sup 2/ surface area, were generated with incandescent illumination.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"189 6 1","pages":"643-646 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82672401","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
Low-sintering PZT-ceramics for advanced actuators 用于高级执行器的低烧结pzt陶瓷
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.602746
A. Schonecker, H. Gesemann, L. Seffner
{"title":"Low-sintering PZT-ceramics for advanced actuators","authors":"A. Schonecker, H. Gesemann, L. Seffner","doi":"10.1109/ISAF.1996.602746","DOIUrl":"https://doi.org/10.1109/ISAF.1996.602746","url":null,"abstract":"Much effort has been made to reduce sintering temperature T/sub s/ of PZT powders, driven by the demands of multilayer actuator fabrication. Suppression of PbO-evaporation and usability of cost effective electrode materials have been the main reasons. We succeeded in reducing T/sub s/ of soft-PZT down to 780/spl deg/C by creating liquid phases during sintering. Consequently, the fabrication of components with high surface to volume ratio became possible. For example, dense PZT thick films (thickness 50...150 /spl mu/m) on alumina, showing high remanent polarization (20 /spl mu/C/cm/sup 2/) and high mechanical strength were prepared. In order to raise operation frequency and temperature the development of low-sintering hard-PZT has been investigated. This task turned out to be more difficult, because most eutectic additives tend to reduce Curie temperature T/sub c/ likewise. Nevertheless, a special modification has been found giving a hard-PZT (i.e. T/sub c/=350/spl deg/C) that densifies already at T/sub s/=1050/spl deg/C/2h. The paper reports on our compositional development of low-sintering PZT-ceramics together with its impact on the design and performance of advanced actuators.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"24 1","pages":"263-266 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73960237","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
Ceramic-metal composite transducers for underwater acoustic applications 水声用陶瓷-金属复合换能器
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598038
J. Tressler, W. Cao, K. Uchino, R. Newnham
{"title":"Ceramic-metal composite transducers for underwater acoustic applications","authors":"J. Tressler, W. Cao, K. Uchino, R. Newnham","doi":"10.1109/ISAF.1996.598038","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598038","url":null,"abstract":"A ceramic-metal composite electroacoustic transducer has been developed for use as an underwater projector or receiver. Its resonance frequency ranges from 10 kHz to 40 kHz and its effective coupling coefficient is around 20%. Finite element analysis has been performed to ascertain how the transducer dimensions and the materials that comprise it effect aforementioned parameters.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"231 1","pages":"561-564 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72670177","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: 7
Low-lead-content piezoelectric ceramics based on (Bi/sub 1/2/Na/sub 1/2/)TiO/sub 3/-NaNbO/sub 3/-PbTiO/sub 3/ 基于(Bi/sub 1/2/Na/sub 1/2/)TiO/sub 3/-NaNbO/sub 3/-PbTiO/sub 3/的低铅压电陶瓷
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.602745
T. Takenaka, T. Okuda, N. Kondo, K. Sakata
{"title":"Low-lead-content piezoelectric ceramics based on (Bi/sub 1/2/Na/sub 1/2/)TiO/sub 3/-NaNbO/sub 3/-PbTiO/sub 3/","authors":"T. Takenaka, T. Okuda, N. Kondo, K. Sakata","doi":"10.1109/ISAF.1996.602745","DOIUrl":"https://doi.org/10.1109/ISAF.1996.602745","url":null,"abstract":"Dielectric, ferroelectric and piezoelectric properties of a bismuth sodium titanate, (Bi/sub 1/2/Na/sub 1/2/)TiO/sub 3/ [BNT]-based three component solid solution, a/spl middot/(Bi/sub 1/2/Na/sub 1/2/)TiO/sub 3/-b/spl middot/NaNbO/sub 3/-c/spl middot/PbTiO/sub 3/ [BNTP(100a/100b/100c)] are studied from the viewpoint of non-lead-based piezoelectric ceramics. The Curie temperature is around 300/spl deg/C at the optimum composition for piezoelectric properties. D-E hysteresis loops of the BNTP near BNT side show a relatively large remanent polarization, P/sub r/, of about 20-30 /spl mu/C/cm/sup 2/ and a high coercive field of about 50 kV/cm. The maximum electromechanical coupling factor, k/sub t/ in the thickness mode was 0.53 at a=0.84, b=0.03 and c=0.13. BNTP ceramics seem to be efficacious for low lead-content piezoelectric ceramics for environmental protections.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"173 1","pages":"259-262 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77715720","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
Piezoelectric and pyroelectric microsystems based on ferroelectric thin films 基于铁电薄膜的压电和热释电微系统
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.602725
P. Muralt
{"title":"Piezoelectric and pyroelectric microsystems based on ferroelectric thin films","authors":"P. Muralt","doi":"10.1109/ISAF.1996.602725","DOIUrl":"https://doi.org/10.1109/ISAF.1996.602725","url":null,"abstract":"The paper reviews different aspects of deposition, integration, and device fabrication of PbZr/sub x/Ti/sub 1-x/O/sub 3/ (PZT) films for application in ultrasonic micromotors and pyroelectric infra-red detectors. The deposition of such films and the principal processes for their integration onto silicon substrates are fairly well mastered. Current efforts concentrate on tailoring the film properties for the various applications, and on optimization of the device designs and patterning processes.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"77 1","pages":"145-151 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76618839","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: 3
Production of continuous piezoelectric fibers for sensor/actuator applications 生产用于传感器/执行器应用的连续压电纤维
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598163
J. D. French, G. Weitz, J. E. Luke, R. Cass, B. Jadidian, V. Janas, A. Safari
{"title":"Production of continuous piezoelectric fibers for sensor/actuator applications","authors":"J. D. French, G. Weitz, J. E. Luke, R. Cass, B. Jadidian, V. Janas, A. Safari","doi":"10.1109/ISAF.1996.598163","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598163","url":null,"abstract":"ACI's Viscous-Suspension-Spinning Process (VSSP) has been refined for the production of piezoelectric fibers for use in transducer, sensor/actuator, and structural control devices. This process utilizes a fugitive carrier (cellulose) to form PZT powder into useful green fiber. The effect of the starting powder dispersion and spinning conditions, such as cellulose dehydration and regeneration in the spin bath, on the final green fiber quality are discussed. Careful control of the dispersion and the spinning conditions produces continuous green fiber of sufficient handling strength to weave into plies or cut for use in \"pick-and-place\" layups. These lay-ups are then fired and resin-impregnated for the production of composites suitable for hydrophone or transducer applications. Recent results have yielded composites (25 vol% PZT) with d/sub 33/=340, pC/N, K=470, and g/sub 33/=100 mV/spl middot/m/N.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"9 3 1","pages":"867-870 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77883679","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: 10
The effect of annealing temperature on the formation of SrBi/sub 2/Ta/sub 2/O/sub 9/ (SBT) thin films 退火温度对SrBi/sub 2/Ta/sub 2/O/sub 9/ (SBT)薄膜形成的影响
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598055
D. Ravichandran, K. Yamakawa, R. Roy, A. Bhalla, S. Trolier-McKinstry, R. Guo, L. Cross
{"title":"The effect of annealing temperature on the formation of SrBi/sub 2/Ta/sub 2/O/sub 9/ (SBT) thin films","authors":"D. Ravichandran, K. Yamakawa, R. Roy, A. Bhalla, S. Trolier-McKinstry, R. Guo, L. Cross","doi":"10.1109/ISAF.1996.598055","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598055","url":null,"abstract":"In this paper we report on synthesis of SBT thin-films by sol-gel processing. Sr metal, Bi, 2-ethyl hexanoate and Ta-ethoxide were used as precursors. Thin-films with nominal composition SrBi/sub 2/Ta/sub 2/O/sub 9/ and SBT +10% excess Bi content were made. Films were annealed at various temperatures to study the microstructure, crystallization temperature and the polarization values. Good crystallization of SBT was obtained by annealing at 700/spl deg/C-2 hrs, independent of the Bi content in the films. Films annealed in oxygen atmosphere at 800/spl deg/C-2 hrs did not show any significant change in the polarization value. Crack free films were made with film thicknesses of 0.4 /spl mu/m. Films annealed at 800/spl deg/C-2 hrs showed a grain size of /spl sim/0.2 /spl mu/m, and reasonably good polarization values of 5 /spl mu/C/cm/sup 2/. In contrast, films prepared with 10% excess Bi showed a very fine grain size <0.1 /spl mu/m with a lower polarization values of 1.5 /spl mu/C/cm/sup 2/.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"137 1","pages":"601-603 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78196159","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
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