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[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics最新文献

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Ceramics packaging with ferroelectric decoupling capacitor 铁电去耦电容器陶瓷封装
[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics Pub Date : 1990-06-06 DOI: 10.1109/ISAF.1990.200193
R. Tummala, C. Eggerding
{"title":"Ceramics packaging with ferroelectric decoupling capacitor","authors":"R. Tummala, C. Eggerding","doi":"10.1109/ISAF.1990.200193","DOIUrl":"https://doi.org/10.1109/ISAF.1990.200193","url":null,"abstract":"Packaging is the most important application of ceramics in microelectronics. The continued evolution of ceramics and the processes with which the most advanced substrates will be fabricated are summarized. A discrete ferroelectric decoupling capacitor providing very low inductance to minimize the delta-I noise of ceramic packages is described.<<ETX>>","PeriodicalId":269368,"journal":{"name":"[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134373420","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: 4
Theoretical aspects of polarization reversal in ferroelectrics 铁电体极化反转的理论研究
[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics Pub Date : 1990-06-06 DOI: 10.1109/ISAF.1990.200210
Y. Ishibashi
{"title":"Theoretical aspects of polarization reversal in ferroelectrics","authors":"Y. Ishibashi","doi":"10.1109/ISAF.1990.200210","DOIUrl":"https://doi.org/10.1109/ISAF.1990.200210","url":null,"abstract":"The Kolmogorov-Avrami theory, which is often applied to the analysis of the switching transients in ferroelectrics, is reviewed. A simple discrete model for switching analysis is proposed. A novel model for ferroelectric polarization reversal is proposed, where the distribution of latent nuclei is taken into account.<<ETX>>","PeriodicalId":269368,"journal":{"name":"[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131609824","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 phase conjugation in pure and Fe doped LiNbO/sub 3/ 纯和掺铁LiNbO/ sub3 /的光学相位共轭
[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics Pub Date : 1990-06-06 DOI: 10.1109/ISAF.1990.200291
V. Venkataramanan, A. Reghunath, C. Subramanian, P. Narayanan
{"title":"Optical phase conjugation in pure and Fe doped LiNbO/sub 3/","authors":"V. Venkataramanan, A. Reghunath, C. Subramanian, P. Narayanan","doi":"10.1109/ISAF.1990.200291","DOIUrl":"https://doi.org/10.1109/ISAF.1990.200291","url":null,"abstract":"The time evolution of a phase grating was studied. The studies were carried out using pure LiNbO/sub 3/ and a Fe-doped samples. The formation and erasure times of the phase grating and the phase conjugate signal were measured using a 488-nm wavelength with the pump beams of power 8 mW and a probe beam of power 1.2 mW. In the Fe-doped crystal, the formation and decay of the phase grating follow a near exponential pattern. The phase conjugate signal also behaves similarly with a formation time of 840 s and a decay time of 1200 s. In pure LiNbO/sub 3/ crystal, though the decay of the phase grating follows the exponential form, with a decay time of 2000 s, the formation of the phase grating was observed to follow a different pattern. After a gradual increase in the diffraction efficiency in the first 600 s, there was a fall during the next 200 s and an increase thereafter and subsequent fall.<<ETX>>","PeriodicalId":269368,"journal":{"name":"[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128926486","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
Spectroscopic ellipsometry studies on ferroelectric surfaces 铁电表面的椭偏光谱研究
[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics Pub Date : 1990-06-06 DOI: 10.1109/ISAF.1990.200337
S. Trolier-McKinstry, R. Newnham, K. Vedam
{"title":"Spectroscopic ellipsometry studies on ferroelectric surfaces","authors":"S. Trolier-McKinstry, R. Newnham, K. Vedam","doi":"10.1109/ISAF.1990.200337","DOIUrl":"https://doi.org/10.1109/ISAF.1990.200337","url":null,"abstract":"Summary form only given. Spectroscopic ellipsometry offers a means through which it should be possible to nondestructively characterize both intrinsic and processing-induced surface layers throughout a proposed thickness regime. Measurements of the ellipticity and azimuth of the reflected light were made between 300 and 700 nm using a xenon source with a rotating analyzer ellipsometer. A large BaTiO/sub 3/ crystal oriented with the optic axis perpendicular to the surface was polished in steps down to 0.05- mu m grit. After poling to remove 90 degrees domains, ellipsometric data were collected at four angles of incidence. Several models for the surface region were examined by fitting all data sets simultaneously. The best fit, chosen using a nonlinear regression analysis, was for a layer approximately 140 AA thick with a refractive index considerably below those shown by bulk BaTiO/sub 3/.<<ETX>>","PeriodicalId":269368,"journal":{"name":"[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133048088","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
Applications and properties of transparent ferroelectric ceramics: trends and recent progress 透明铁电陶瓷的应用与性能:趋势与最新进展
[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics Pub Date : 1990-06-06 DOI: 10.1109/ISAF.1990.200331
A. Sternberg, A. Krumins
{"title":"Applications and properties of transparent ferroelectric ceramics: trends and recent progress","authors":"A. Sternberg, A. Krumins","doi":"10.1109/ISAF.1990.200331","DOIUrl":"https://doi.org/10.1109/ISAF.1990.200331","url":null,"abstract":"Considering the modern production technology of transparent ferroelectric ceramics (TFCs) as well as the material properties and parameters of existing (including commercial products) and expected devices on the basis of TFC, the authors discuss its place among other optoelectronic materials. The emphasis is on optical and electrooptical properties and phase transition features in PLZT.<<ETX>>","PeriodicalId":269368,"journal":{"name":"[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115326732","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
A linearly moving ultrasonic motor using a longitudinal and bending multi-mode vibrator 一种采用纵向和弯曲多模振动器的线性移动超声电机
[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics Pub Date : 1990-06-06 DOI: 10.1109/ISAF.1990.200304
T. Takano, Y. Tomikawa, M. Yaginuma, T. Ogasawara
{"title":"A linearly moving ultrasonic motor using a longitudinal and bending multi-mode vibrator","authors":"T. Takano, Y. Tomikawa, M. Yaginuma, T. Ogasawara","doi":"10.1109/ISAF.1990.200304","DOIUrl":"https://doi.org/10.1109/ISAF.1990.200304","url":null,"abstract":"A flat-type ultrasonic motor using a longitudinal-bending multimode vibrator with some rollers, is proposed and shown to have stable movements and wide applications. The construction and characteristics of a linearly moving motor and a paper sheet feeding device using the motor are shown. The device has a special feature such that the quality or the thickness of the paper has little effect upon the characteristics. A linearly moving motor is also described using a first-longitudinal-fourth-bending multimode vibrator. The motor consists of a multimode vibrator having two projections at its loop points of the fourth bending mode and a guide. The construction and characteristics are shown.<<ETX>>","PeriodicalId":269368,"journal":{"name":"[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115509109","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: 12
Grain boundary and lattice diffusion of Mn in ATiO/sub 3/ (A=Ba, Sr) Mn在ATiO/sub / (A=Ba, Sr)中的晶界和晶格扩散
[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics Pub Date : 1990-06-06 DOI: 10.1109/ISAF.1990.200313
J. D. de Vries, R. Waser
{"title":"Grain boundary and lattice diffusion of Mn in ATiO/sub 3/ (A=Ba, Sr)","authors":"J. D. de Vries, R. Waser","doi":"10.1109/ISAF.1990.200313","DOIUrl":"https://doi.org/10.1109/ISAF.1990.200313","url":null,"abstract":"The diffusion constant of Mn in polycrystalline BaTiO/sub 3/ and SrTiO/sub 3/ was determined between 1000 degrees C and 1200 degrees C. Its value was found to be more than four orders of magnitude larger than one would expect for volume diffusion of Mn. This result was in accordance with the presence of Mn in the grain-boundary phases. Effective activation energies of 5.9-6.8 eV are estimated.<<ETX>>","PeriodicalId":269368,"journal":{"name":"[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115724298","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
Preparation and properties of sol-gel derived Pb((Mg/sub 1/3/Nb/sub 2/3/)/sub 1-x/Ti/sub x/)O/sub 3/ and Pb((Zn/sub 1/3/Nb/sub 2/3/)/sub 1-x/Ti/sub x/)O/sub 3/ thin layers 溶胶-凝胶衍生Pb((Mg/sub 1/3/Nb/sub 2/3/)/sub 1-x/Ti/sub x/)O/sub 3/和Pb((Zn/sub 1/3/Nb/sub 2/3/)/sub 1-x/Ti/sub x/)O/sub 3/薄层的制备及性能
[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics Pub Date : 1990-06-06 DOI: 10.1109/ISAF.1990.200238
L. F. Francis, D. Payne
{"title":"Preparation and properties of sol-gel derived Pb((Mg/sub 1/3/Nb/sub 2/3/)/sub 1-x/Ti/sub x/)O/sub 3/ and Pb((Zn/sub 1/3/Nb/sub 2/3/)/sub 1-x/Ti/sub x/)O/sub 3/ thin layers","authors":"L. F. Francis, D. Payne","doi":"10.1109/ISAF.1990.200238","DOIUrl":"https://doi.org/10.1109/ISAF.1990.200238","url":null,"abstract":"Alkoxide-based solutions with compositions in the Pb((Mg/sub 1/3/Nb/sub 2/3/)/sub 1-x/Ti/sub x/)O/sub 3/ (PMNT) and Pb((Zn/sub 1/3/Nb) Ti/sub x/)O/sub 3/ (PZNT) systems were synthesized and used for the integration of thin layer dielectrics on platinized Si. A multilayering spin-casting method was used with rapid thermal processing of individual layers. Thin layers of each composition could be formed into a nonferroelectric pyrochlore phase or a ferroelectric perovskite phase depending upon processing conditions. Compositions containing greater amounts of PMN or PZN required higher processing temperatures for perovskite formation. The effects of composition and thermal processing conditions on the development and structure of crystalline phases, and dielectric properties are reported.<<ETX>>","PeriodicalId":269368,"journal":{"name":"[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116893572","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
Sintering of lead titanate and titano-zirconate sol-gel thin films 钛酸铅和锆酸钛溶胶-凝胶薄膜的烧结
[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics Pub Date : 1990-06-06 DOI: 10.1109/ISAF.1990.200239
P. Gaucher, S. Lequien, J. Ganne, S. Faure, P. Barboux
{"title":"Sintering of lead titanate and titano-zirconate sol-gel thin films","authors":"P. Gaucher, S. Lequien, J. Ganne, S. Faure, P. Barboux","doi":"10.1109/ISAF.1990.200239","DOIUrl":"https://doi.org/10.1109/ISAF.1990.200239","url":null,"abstract":"Alkoxides of titanium and zirconium with lead acetate or 2-ethyl hexanoate have been used to obtain precursors of lead titanate (PT) and titanozirconate (PZT) in several solvants with additional ligands. Stable sols are spin-coated on single-crystal substrates used in microelectronics, dried to obtain a gel precursor, and fired at temperatures between 500 and 700 degrees C. The stability conditions of the sols are described, with emphasis on the important role of viscosity. The evolution of the gel with temperature was followed by thermogravimetric analysis (TGA) and high temperature X-ray diffraction (XRD). The TGA experiments showed that decomposition rates are strongly dependent on the raw material used and the reflux conditions. The XRD experiments showed that crystallization of the phase occurs between 500 and 600 degrees C. The thickness of the films and the grain size have been derived from scanning electron microscopy observation. The ferroelectric hysteresis loops were measured with a Sawyer-tower circuit.<<ETX>>","PeriodicalId":269368,"journal":{"name":"[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116004338","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
Epitaxial growth of ferroelectric Pb(Zr/sub 0.9/Ti/sub 0.1/)O/sub 3/ films by reactive sputtering of multi metal target 多金属靶反应溅射外延生长铁电Pb(Zr/sub 0.9/Ti/sub 0.1/)O/sub 3/薄膜
[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics Pub Date : 1990-06-06 DOI: 10.1109/ISAF.1990.200344
T. Okamura, M. Adachi, T. Shiosaki, A. Kawabata
{"title":"Epitaxial growth of ferroelectric Pb(Zr/sub 0.9/Ti/sub 0.1/)O/sub 3/ films by reactive sputtering of multi metal target","authors":"T. Okamura, M. Adachi, T. Shiosaki, A. Kawabata","doi":"10.1109/ISAF.1990.200344","DOIUrl":"https://doi.org/10.1109/ISAF.1990.200344","url":null,"abstract":"Ferroelectric epitaxial Pb(Zr/sub 0.9/Ti/sub 0.1/)O/sub 3/ thin films have been successfully obtained on platinum-coated sapphire substrates by reactive sputtering of the multimetal target. The films with a perovskite structure have been epitaxially grown at substrate temperatures of 600-620 degrees C. The crystallinity of the Pb(Zr/sub 0.9/Ti/sub 0.1/)O/sub 3/ film depended on the substrate temperature and the crystallinity of the platinum film used as a bottom electrode. The remanent polarization and the coercive field of a 0.75- mu m-thick film were measured as 13.9 mu C/cm/sup 2/ and 60.0 kV/cm, respectively.<<ETX>>","PeriodicalId":269368,"journal":{"name":"[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123514002","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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