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ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics最新文献

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Composite of BaTiO/sub 3/ and Pb(Zr,Ti)O/sub 3/ fabricated with CO/sub 2/ laser 用CO/sub /激光制备BaTiO/sub /和Pb(Zr,Ti)O/sub /复合材料
ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1992-08-30 DOI: 10.1109/ISAF.1992.300729
S. Sugihara
{"title":"Composite of BaTiO/sub 3/ and Pb(Zr,Ti)O/sub 3/ fabricated with CO/sub 2/ laser","authors":"S. Sugihara","doi":"10.1109/ISAF.1992.300729","DOIUrl":"https://doi.org/10.1109/ISAF.1992.300729","url":null,"abstract":"A new composite was synthesized by bonding Pb(Zr,Ti)O/sub 3/ with BaTiO/sub 3/ using a CO/sub 2/ laser, Pb(Zr,Ti)O/sub 3/ was the thick film (0.05 mm in thickness) and BaTiO/sub 3/ was the sintered body, fabricated by the conventional method. The CO/sub 2/ laser was 143 W/cm/sup 2/, and the irradiation continued for 50 s. The two starting materials were bonded, and Pb(Zr,Ti)O/sub 3/ was evaluated by an XRD (X-ray diffraction) analysis. The interfaces between the two ceramics were examined. Results of electron probe microanalysis (EPMA) and electric properties are discussed.<<ETX>>","PeriodicalId":367142,"journal":{"name":"ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics","volume":"196 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123399992","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
Poling and switching behavior of ferroelectric single grains studied by piezoelectric resonance 压电共振法研究铁电单晶的极化和开关行为
ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1992-08-30 DOI: 10.1109/ISAF.1992.300711
Y. I. Ryu, J. Kim, I. Yu
{"title":"Poling and switching behavior of ferroelectric single grains studied by piezoelectric resonance","authors":"Y. I. Ryu, J. Kim, I. Yu","doi":"10.1109/ISAF.1992.300711","DOIUrl":"https://doi.org/10.1109/ISAF.1992.300711","url":null,"abstract":"A piezoelectric resonance signal from a minute ( approximately 10 mu g) single-grain ferroelectric sample was observed using an inductive pulse detection method (IPDM). The IPDM does not require electrodes to be coated on the samples and is suitable for small samples. Examples of temperature-dependent resonance signals from Rochelle salt, KH/sub 2/PO/sub 4/ (KDP), and NH/sub 4/H/sub 2/PO/sub 4/ (ADP) single grains are shown. The poling and switching behavior of a single grain of Rochelle salt in an external electric field is studied. The time dependence of the resonance frequency and decay time constant of the transient piezoelectric resonance signal reflects the change in sample polarization due to variation of domain structure. Another advantage of the IPDM is its capability of observing fast initial change just after the application of electric field. The in-situ detection characteristic is facilitated by the well-isolated detection and poling systems inherent to inductive methods.<<ETX>>","PeriodicalId":367142,"journal":{"name":"ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122487547","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 properties and crystal structures of entire compositions in the ternary system Pb(Mg/sub 1/2/W/sub 1/2/)O/sub 3/-Pb(Ni/sub 1/3/Nb/sub 2/3/)O/sub 3/-PbTiO/sub 3/ 三元体系Pb(Mg/sub 1/2/W/sub 1/2/)O/sub 3/-Pb(Ni/sub 1/3/Nb/sub 2/3/)O/sub 3/-PbTiO/sub 3/的介电性质和晶体结构
ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1992-08-30 DOI: 10.1109/ISAF.1992.300625
Atsushi Ochi, T. Mori, M. Furuya
{"title":"Dielectric properties and crystal structures of entire compositions in the ternary system Pb(Mg/sub 1/2/W/sub 1/2/)O/sub 3/-Pb(Ni/sub 1/3/Nb/sub 2/3/)O/sub 3/-PbTiO/sub 3/","authors":"Atsushi Ochi, T. Mori, M. Furuya","doi":"10.1109/ISAF.1992.300625","DOIUrl":"https://doi.org/10.1109/ISAF.1992.300625","url":null,"abstract":"Crystal structures and dielectric properties were investigated over the entire range of composition in the system Pb(Mg/sub 1/2/W/sub 1/2/)O/sub 3/-Pb(Ni/sub 1/3/ Nb/sub 2/3/)O/sub 3/-PbTiO/sub 3/(PM A morphotropic phase boundary (MPB) was found on the compositional line with 45 to 50 mol.% PT content. The PT-rich composition with Tc>100 degrees C showed a steep temperature dependence of the dielectric constant. The PMW-rich composition with Tc around room temperature or below showed a diffuse phase transition. Superlattice reflections due to the ordering of Mg and W ions in the perovskite B-site were observed in the X-ray diffraction patterns of the PMW-rich composition. The results obtained indicate that PMW-rich compositions were relaxor ferroelectric. A downward Curie temperature shift as a function of PMW content was saturated in the PMW-rich compositional region, which suggests that the PMW-rich region is not a simple solid solution but a nanometer composite of an ordered region and a disordered region.<<ETX>>","PeriodicalId":367142,"journal":{"name":"ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114419610","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
The self second harmonic generation crystal NYAB pumped by the laser output of Ti/sup 3+/:AL/sub 2/O/sub 3/ 激光输出Ti/sup 3+/:AL/sub 2/O/sub 3/泵浦的自二次谐波产生晶体NYAB
ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1992-08-30 DOI: 10.1109/ISAF.1992.300738
S. Xie, W. Jia, P.J. Wang, T. Liou, Y.L. Chen
{"title":"The self second harmonic generation crystal NYAB pumped by the laser output of Ti/sup 3+/:AL/sub 2/O/sub 3/","authors":"S. Xie, W. Jia, P.J. Wang, T. Liou, Y.L. Chen","doi":"10.1109/ISAF.1992.300738","DOIUrl":"https://doi.org/10.1109/ISAF.1992.300738","url":null,"abstract":"Studies of the self-second-harmonic-generation (self-SHG) crystal Nd/sub x/Y/sub 1-x/Al/sub 3/(BO/sub 3/)/sub 4/, or NYAB pumped by the infrared output of a Ti/sup 3+/:Al/sub 2/O/sub 3/ laser are reported. The wavelengths of the pumping laser were from 0.7306 mu m to 0.8268 mu m. The size of the NYAB crystal 3*3*4 mm/sup 3/. Type 1 phase matching self-SHG was adopted, and 0.532- mu m output was obtained with a NYAB crystal that was uncoated and not inserted in a resonator. The green-light spot was 1 mm in diameter and the diffuse angle was 1.5 mrad. The threshold of the self-SHG of the NYAB crystal was measured.<<ETX>>","PeriodicalId":367142,"journal":{"name":"ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129154471","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
The DC field dependence of the piezoelectric, elastic and dielectric constants for a lead zirconate-based ceramic 锆酸铅基陶瓷的压电、弹性和介电常数与直流场的关系
ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1992-08-30 DOI: 10.1109/ISAF.1992.300565
E. Alberta, D. Taylor, A. Bhalla, T. Takenaka
{"title":"The DC field dependence of the piezoelectric, elastic and dielectric constants for a lead zirconate-based ceramic","authors":"E. Alberta, D. Taylor, A. Bhalla, T. Takenaka","doi":"10.1109/ISAF.1992.300565","DOIUrl":"https://doi.org/10.1109/ISAF.1992.300565","url":null,"abstract":"Previous work on the solid solution x.PbZrO/sub 3/(PZ)-y. Pb(Zn/sub 1/3/Nb/sub 2/3/)O/sub 3/ (PZN)-z.PbTiO/sub 3/ (PT) (PZNT) has shown a DC-field-induced ferroelectric-antiferroelectric (AF-FE) transition. The authors explore the electrical field dependence of the elastic constant (s/sup E//sub 11/), piezoelectric coefficient (d/sub 31/), and dielectric constant (K/sub 33/) near this phase transition. Hysteresis results indicate that the location of the AF-FE boundary is between x=92.8% and x=93.2% PZ. Room-temperature dielectric constants near 250 have been measured and can be altered with suitable compositional adjustments. The PZZN phase diagram (PZNT with 0 mol.% PT) has been refined, showing that the AF-FE boundary at room temperature is PZZN(93.2) and PZZN(93.0).<<ETX>>","PeriodicalId":367142,"journal":{"name":"ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122232866","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
Lead calcium titanate ceramics and integrated optical filters for infrared optical sensors 钛酸铅钙陶瓷及红外光学传感器集成滤光片
ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1992-08-30 DOI: 10.1109/ISAF.1992.300616
J. de Frutos, F. López, B. Jiménez
{"title":"Lead calcium titanate ceramics and integrated optical filters for infrared optical sensors","authors":"J. de Frutos, F. López, B. Jiménez","doi":"10.1109/ISAF.1992.300616","DOIUrl":"https://doi.org/10.1109/ISAF.1992.300616","url":null,"abstract":"A novel system for improving the performance of lead calcium titanate (PCT) ceramics for infrared sensor applications is proposed. The main feature of the system is its ability to integrate, on the same substrate, different thin-film optical filters with defined geometries, in order to obtain arrays of optical filters. Each point on the substrate would correspond to a filter with a previously defined wavelength profile. The first achievement of the system is the preparation of a multispectral substrate with different optical filters integrated in the same plane, which correspond to the focal plane of the pyroelectric PCT sensor. This concept would make it possible to obtain multispectral integrated sensors or 'retinas', by hybrid or monolithic coupling of the filters on the pyroelectric detector in the same or a very close substrate (focal plane). Results of preliminary experiments have demonstrated the feasibility of the proposed system. Values of the pyroelectric coefficient, dielectric constant, and a remanent d/sub 33/ show that Ca-modified lead titanate is an excellent pyroelectric sensor.<<ETX>>","PeriodicalId":367142,"journal":{"name":"ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132294393","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
Optical properties of PbTiO/sub 3//epoxy 0-3 fine composites PbTiO/sub -3 //环氧树脂0-3精细复合材料的光学性能
ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1992-08-30 DOI: 10.1109/ISAF.1992.300742
Q.F. Zhou, Y. Han, L.Y. Zhang, X. Yao
{"title":"Optical properties of PbTiO/sub 3//epoxy 0-3 fine composites","authors":"Q.F. Zhou, Y. Han, L.Y. Zhang, X. Yao","doi":"10.1109/ISAF.1992.300742","DOIUrl":"https://doi.org/10.1109/ISAF.1992.300742","url":null,"abstract":"Ultrafine PbTiO/sub 3/ (PT) powder has been prepared using the sol-gel process. PT/epoxy 0-3 composites have been prepared by application of an external DC electric field during solidification of the epoxy. The structure and optical properties of the composite materials prepared under various electric fields have been carefully analyzed by XRD (X-ray diffraction) and optical spectroscopy techniques such as ultraviolet absorption spectroscopy, Raman spectroscopy, and photoluminescence spectroscopy. Second harmonic generation by the composite has also been observed. The effect of the electric field on the structure and optical properties of the composites is discussed.<<ETX>>","PeriodicalId":367142,"journal":{"name":"ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131541517","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
Influence of high energy grinding on the texture, structure and electrical properties of barium titanate 高能研磨对钛酸钡织构、组织和电性能的影响
ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1992-08-30 DOI: 10.1109/ISAF.1992.300721
J. Criado, F. Gotor, L. Pérez-Maqueda, C. Real, M. Mundi, J. del Cerro
{"title":"Influence of high energy grinding on the texture, structure and electrical properties of barium titanate","authors":"J. Criado, F. Gotor, L. Pérez-Maqueda, C. Real, M. Mundi, J. del Cerro","doi":"10.1109/ISAF.1992.300721","DOIUrl":"https://doi.org/10.1109/ISAF.1992.300721","url":null,"abstract":"It is shown that nanocrystalline barium titanate can be obtained from high-energy ball-milling of conventional commercially available barium titanate powder. X-ray investigations, surface determination, and dielectric studies have been carried out on several samples obtained with different periods of grinding. It is found that stabilization of the cubic phase at room temperature occurs for values of grain size and coherently diffracting domain size lower than 0.12 mu m and 2.5*10/sup 2/ AA, respectively.<<ETX>>","PeriodicalId":367142,"journal":{"name":"ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131755920","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
Grain size effects in barium titanate 钛酸钡晶粒尺寸效应
ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1992-08-30 DOI: 10.1109/ISAF.1992.300583
K. Gachigi, U. Kumar, J. Dougherty
{"title":"Grain size effects in barium titanate","authors":"K. Gachigi, U. Kumar, J. Dougherty","doi":"10.1109/ISAF.1992.300583","DOIUrl":"https://doi.org/10.1109/ISAF.1992.300583","url":null,"abstract":"Grain size effects in CBaTiO/sub 3/ are examined as a function of porosity in order to evaluate the effect of microstructurally imposed stresses on the dielectric behavior. Hydrothermal starting powder was used to minimize any extraneous effects. Fast firing techniques were used to obtain a variety of grain sizes and densities, and the data were evaluated using an analysis of the Curie-Weiss behavior. A percolation limit between 48% and 60% of theoretical density is proposed below which insufficient flux continuity is thought to limit the dielectric response of the ceramic. Above this limit, increased density appears to increase the room-temperature dielectric constant for grain sizes between approximately 0.6 mu m and 20 mu m.<<ETX>>","PeriodicalId":367142,"journal":{"name":"ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133423878","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: 13
Microstructure-induced Schottky barrier effects in barium strontium titanate (BST) thin films for 16 and 64 Mbit (DRAM cells) 16和64 Mbit (DRAM)电池中钛酸锶钡(BST)薄膜中微结构诱导的肖特基势垒效应
ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1992-08-30 DOI: 10.1109/ISAF.1992.300707
J. Scott, M. Azuma, E. Fujii, T. Otsuki, G. Kanô, M. Scott, C. A. Paz de Araújo, L. Mcmillan, T. Roberts
{"title":"Microstructure-induced Schottky barrier effects in barium strontium titanate (BST) thin films for 16 and 64 Mbit (DRAM cells)","authors":"J. Scott, M. Azuma, E. Fujii, T. Otsuki, G. Kanô, M. Scott, C. A. Paz de Araújo, L. Mcmillan, T. Roberts","doi":"10.1109/ISAF.1992.300707","DOIUrl":"https://doi.org/10.1109/ISAF.1992.300707","url":null,"abstract":"The current-voltage and capacitance-voltage characteristics of fine-grained, ceramic BST thin films for ULSI (ultralarge-scale integrated) DRAM (dynamic random-access memory) applications are examined. A model and pertinent data for integrated BST capacitors used in 16/64-Mb DRAM cells are presented. The results confirm in detail the conclusion of R. Waser and M. Klee (1991, 1992) that conduction in ceramic SrTiO/sub 3/ is Schottky-dominated and that the Schottky barriers arise from depletion regions at grain boundaries and not only at the ferroelectric/electrode interface.<<ETX>>","PeriodicalId":367142,"journal":{"name":"ISAF '92: Proceedings of the Eighth IEEE International Symposium on Applications of Ferroelectrics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124268955","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
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