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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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Effects of substitution in A- and B-site cations of Bi/sub 0.5/Na/sub 0.5/TiO/sub 3/ Bi/sub 0.5/Na/sub 0.5/TiO/sub 3/的A、b位阳离子取代效应
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598139
A. Herabut, A. Safari
{"title":"Effects of substitution in A- and B-site cations of Bi/sub 0.5/Na/sub 0.5/TiO/sub 3/","authors":"A. Herabut, A. Safari","doi":"10.1109/ISAF.1996.598139","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598139","url":null,"abstract":"Bismuth sodium titanate (Bi/sub 0.5/Na/sub 0.5/TiO/sub 3/), BNT, with a small amount of additives including La, Sm, Nd, and Nb were prepared by a conventional mixed oxide method. Powders of all compositions were calcined at 800/spl deg/C for 2 hrs to form a pure perovskite phase. All specimens were sintered at 1150/spl deg/C for 2 hrs to achieve at least 95% theoretical densities. Samples of the BNT with La modification exhibited a dielectric permittivity of 515, electromechanical coupling factors k/sub t/ of 45% and k/sub p/, of 13%, and a piezoelectric charge coefficient d/sub 33/ of 100. The properties of the La-modified BNT suggest that these compositions are potential candidates for hydrophone applications.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"318 1","pages":"775-778 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76449574","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
Single crystal fibers of rare earth ortho-niobate: Growth, ferroelastic property, and domain studies 稀土邻铌酸盐单晶纤维:生长、铁弹性和畴研究
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598171
R. Guo, Y. Jiang, A. Bhalla, L. Cross
{"title":"Single crystal fibers of rare earth ortho-niobate: Growth, ferroelastic property, and domain studies","authors":"R. Guo, Y. Jiang, A. Bhalla, L. Cross","doi":"10.1109/ISAF.1996.598171","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598171","url":null,"abstract":"One dimensional single crystals of LaNbO/sub 4/, NdNbO/sub 4/ and CeNbO/sub 4/ have been grown successfully by a laser heated pedestal growth technique. Some physical properties and the ferroic phase transitions as a function of temperature are studied over the range room temperature to 800/spl deg/C by various thermal, electric and optical analytical techniques. Twin walls are observed, and their relations with the ferroelastic phase transition are discussed.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"35 2 1","pages":"899-902 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82795877","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
Can relaxor piezoelectric materials outperform PZT? 弛豫压电材料能胜过PZT吗?
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.602713
Y. Yamashita, N. Ichinose
{"title":"Can relaxor piezoelectric materials outperform PZT?","authors":"Y. Yamashita, N. Ichinose","doi":"10.1109/ISAF.1996.602713","DOIUrl":"https://doi.org/10.1109/ISAF.1996.602713","url":null,"abstract":"This paper reviews the Pb(B'B\")O/sub 3/-PbTiO/sub 3/ piezoelectric material system. Among the Pb(B'B\")O/sub 3/-PbTiO/sub 3/ materials, Pb(Sc/sub 1/2/Nb/sub 1/2/)O/sub 3/-Pb(Mg/sub 1/3/Nb/sub 2/3/)O/sub 3/-PbTiO/sub 3/ (PSN-PMN-PT) ceramic material exhibits excellent piezoelectric properties near the MPB, such as k/sub p/>70%, k/sub t/>54%, k/sub 33/>77%, d/sub 33/>500 pC/N, and Tc=160-260/spl deg/C. The ceramic has superior piezoelectric properties as compared with conventional PZT ceramics, which so far have been thought to be the best binary piezoelectric ceramic materials. One of the big advantages of relaxor-PT systems compared with PZT is the ease with which single crystals of the MPB composition can be grown. These single crystals generally have superior properties compared with the ceramics if the appropriate axis is utilized. The advantages and disadvantages of the PSN-PMN-PT material and other Pb(B'B\")O/sub 3/-PbTiO/sub 3/ systems are compared with PZT.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"381 1","pages":"71-77 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80090413","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: 16
Preparation and piezoelectric properties of Pb(Sc/sub 1/2/Nb/sub 1/2/)/sub 3/-Pb(Zn/sub 1/3/Nb/sub 2/3/)O/sub 3/-PbTiO/sub 3/ solid solution ceramics Pb(Sc/sub 1/2/Nb/sub 1/2/)/sub 3/-Pb(Zn/sub 1/3/Nb/sub 2/3/)O/sub 3/-PbTiO/sub 3/固溶体陶瓷的制备及压电性能
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.602750
N. Ichinose, Y. Hosono, Y. Yamashita
{"title":"Preparation and piezoelectric properties of Pb(Sc/sub 1/2/Nb/sub 1/2/)/sub 3/-Pb(Zn/sub 1/3/Nb/sub 2/3/)O/sub 3/-PbTiO/sub 3/ solid solution ceramics","authors":"N. Ichinose, Y. Hosono, Y. Yamashita","doi":"10.1109/ISAF.1996.602750","DOIUrl":"https://doi.org/10.1109/ISAF.1996.602750","url":null,"abstract":"Electrical properties and crystal structures of the system Pb(Sc/sub 1/2/Nb/sub 1/2/)O/sub 3/Pb(Zn/sub 1/3/Nb/sub 2/3/)O/sub 3/-PbTiO/sub 3/ are described. In this ternary system, the perovskite phase exists in the composition range of less 50 mol% of Pb(Sc/sub 1/2/Nb/sub 1/2/)O/sub 3/. Addition of excess PbO to this system is effective for obtaining the perovskite structure. In the binary (1-x)Pb(Sc/sub 1/2/Nb/sub 1/2/)O/sub 3/xPb(Zn/sub 1/3/Nb/sub 2/3/)O/sub 3/ system, the Curie temperature is decreasing with increase of x in the range of 0.3> x>O and it is increasing above x=0.3. Site preference in the perovskite structure must be considered for this nonlinear change of Tc.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"12 1","pages":"283-286 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81698635","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
Shape control using embedded piezoelectric actuators 采用嵌入式压电驱动器的形状控制
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598176
J. B. Wallace, B. Pettit, S. E. Prasad, E. Stenne, Serdar Sean Kalaycioglu, M. Giray
{"title":"Shape control using embedded piezoelectric actuators","authors":"J. B. Wallace, B. Pettit, S. E. Prasad, E. Stenne, Serdar Sean Kalaycioglu, M. Giray","doi":"10.1109/ISAF.1996.598176","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598176","url":null,"abstract":"This paper describes a Carbon Fibre Re-enforced Polymer (CFRP) panel with a number of piezoelectric bimorph actuators embedded in the neutral plane of the CFRP panel. The shape of the composite panel was controlled by applying a voltage across one or more of the embedded bimorph actuators. The displacement of the composite panel was monitored as a function of position and the number of actuators activated using a MTI 2000 Fotonic Sensor.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"11 1","pages":"919-922 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81568921","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
A novel approach to fabricating high Q/sub m/ PZT 一种制备高Q/sub / PZT的新方法
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598150
J. Chediak, S. Pilgrim
{"title":"A novel approach to fabricating high Q/sub m/ PZT","authors":"J. Chediak, S. Pilgrim","doi":"10.1109/ISAF.1996.598150","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598150","url":null,"abstract":"SAW devices are being investigated for TV-IF filters and mobile telephone applications. Additions of MnO/sub 2/ to PZT can result in materials with zero temperature coefficients and low propagation losses. The available Q/sub m/'s of PZT materials however, can limit their usefulness in energy-critical applications. In this work, a novel approach to improving the performance of PZT was attempted. The effect of both a dopant atom (Mn) and electron dopant pyrochlore phase, Sr/sub 2/Sb/sub 2/O/sub 7/, were examined. MnO/sub 2/ was added at 0.1, 0.3, and 0.5 wt% levels while the pyrochlore was added at the 5 mol% level. It was postulated that the pyrochlore phase might limit grain growth and reduce domain motion, thus increasing Q/sub m/. It was further postulated that compositions with both the pyrochlore and Mn doping should yield even greater Q/sub m/ values. Properties of interest, k/sub p/, Q/sub m/, e, and loss, were measured by the resonance method. In summary, Mn doping was effective in improving properties. Pyrochlore additions did reduce grain size; however, the properties were degraded.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"54 1","pages":"821-824 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89186765","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
Dielectric and ferroelectric properties of 1-3 composites containing thin PZT-fibers 含薄pzt纤维的1-3复合材料的介电和铁电性能
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598042
W. Watzka, S. Seifert, H. Scholz, D. Sporn, A. Schonecker, L. Seffner
{"title":"Dielectric and ferroelectric properties of 1-3 composites containing thin PZT-fibers","authors":"W. Watzka, S. Seifert, H. Scholz, D. Sporn, A. Schonecker, L. Seffner","doi":"10.1109/ISAF.1996.598042","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598042","url":null,"abstract":"PbZr/sub 0.53/Ti/sub 0.47/O/sub 3/ (PZT)-fibers were prepared by a sol-gel route and appropriate thermal treatment. The sintered fibers show negligible porosity of about 100 nm in diameter and a narrow grain size distribution, the grain sizes ranging from 1 to 5 /spl mu/m depending on the sintering conditions. PZT-fiber/epoxy composites with 1-3 connectivity were prepared. Fiber volume fractions were adjusted from 20 to 70 vol.-%. Ferroelectric properties of composites with thicknesses between 0.05 and 0.5 mm are about 10 /spl mu/C/cm/sup 2/ for the remanent polarization and about 15 kV/mm for the coercive field. During longtime cycling of up to 10/sup 6/ cycles P/sub r/ nearly remains constant, E/sub c/ increases by 50%. A coupling coefficient k/sub t/ of up to 55% was measured. Perpendicular to the fiber direction a P/sub r/ of 0.8 /spl mu/C/cm/sup 2/ and an E/sub c/ of 2 kV/mm were measured.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"21 1","pages":"569-572 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82358012","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
Temperature dependent fatigue in ferroelectric PZT thin films 铁电PZT薄膜的温度依赖性疲劳
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.602790
E. N. Paton, Said Mansour, A. Bement
{"title":"Temperature dependent fatigue in ferroelectric PZT thin films","authors":"E. N. Paton, Said Mansour, A. Bement","doi":"10.1109/ISAF.1996.602790","DOIUrl":"https://doi.org/10.1109/ISAF.1996.602790","url":null,"abstract":"The rate of electrical fatigue at different temperatures was measured for lead zirconate titanate capacitors with the composition Pb(Zr/sub .60/Ti/sub .40/)O/sub 3/. Results showed that a temperature rise contributes to an increasing rate of logarithmic decay in the fatigue profile. We distinguish two thermally dependent stages during fatigue; each plotted as separate Arrhenius relationships. The first stage has an experimentally measured activation energy of 0.22 eV while the second stage has a measured value of 0.042 eV. The physical basis for these activation energies has not been identified due to the complexity of interactions occurring during the switching reversals. Even so, the measured values give some indication of the types of defects and the mechanisms responsible in each stage.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"52 1","pages":"467-470 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81011821","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
Radiation effects on optical and dielectric properties of PLZT and PSN ceramics 辐射对PLZT和PSN陶瓷光学和介电性能的影响
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598106
A. Sternberg, L. Shebanovs, E. Birks, A. Spule, P. Kulis, H. Weber, H. Klima, F. Sauerzopf, U. Ulmanis
{"title":"Radiation effects on optical and dielectric properties of PLZT and PSN ceramics","authors":"A. Sternberg, L. Shebanovs, E. Birks, A. Spule, P. Kulis, H. Weber, H. Klima, F. Sauerzopf, U. Ulmanis","doi":"10.1109/ISAF.1996.598106","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598106","url":null,"abstract":"The effects of /spl gamma/-ray, electron and neutron (fluences up to 2.10/sup 18/ n/cm/sup 2/) irradiation on extinction spectra and dielectric characteristics (hysteresis, thermal and frequency dependencies of dielectric permittivity /spl epsi/ and losses) in PLZT X/65/35 (X=4.5-11 at%) and PbSc/sub 0.5/Nb/sub 0.5/O/sub 3/ ceramics are analyzed with respect to composition state of phase, and polarization by means of annealing in isochronic and prolonged time regimes. A gradual shift of extinction edge to longer wavelengths, reduction of polarization and /spl epsi/ values, and a progressive diffusion of the phase transition with the increase of irradiation fluence are observed in neutron irradiated PLZT ceramics.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"13 1","pages":"667-670 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77854399","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
Domain-like organizations in ferroelectrics containing quenched randomness 含淬灭随机性的铁电体中的类畴组织
ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI: 10.1109/ISAF.1996.598060
D. Viehland, M.Y. Kim, Z. Xu, Jiefang Li
{"title":"Domain-like organizations in ferroelectrics containing quenched randomness","authors":"D. Viehland, M.Y. Kim, Z. Xu, Jiefang Li","doi":"10.1109/ISAF.1996.598060","DOIUrl":"https://doi.org/10.1109/ISAF.1996.598060","url":null,"abstract":"Transmission electron microscopy studies of the (1-x)Pb(Mg/sub 1/3/Nb/sub 2/3/)O/sub 3/-(x)PbTiO/sub 3/ (PMN-PT (1-x)/x) crystalline solution have been performed for x=0.1, 0.2, 0.35, and 0.60. Bright-field imaging has revealed a common sequence of domain-like states with increasing x. Normal micron-sized ferroelectric domains were found for x>0.40. Tweed-like structures were found for x/spl sim/0.35. These tweedlike structures are similar to those previously reported in pre-martensitic states. Paraelectric clusters were found for x<0.30. The paraelectric cluster state was characterized by the lack of self-assembly amongst embryos and the presence of relaxor behavior in the macroscopic response characteristics. The composition PMN-PT 65/35 was then modified with La for a detailed study of the transition between the tweed-like precursor and paraelectric cluster states with increasing impurity content.","PeriodicalId":14772,"journal":{"name":"ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics","volume":"96 7 1","pages":"615-618 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87696159","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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