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Dissertations / Theses on the topic 'Zirconate Titanate (PZT)'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 September 2023

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1

Mohammadabadi, Ali Shafiei. "Hydrogen‐induced damage of lead‐zirconate‐titanate (PZT)." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44320.

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Lead-Zirconate-Titanate Pb(Zr,Ti)O₃ (PZT) based actuators are evaluated by automotive industry for advanced fuel-injection systems, including hydrogen injection. However, hydrogen can have deleterious effect on the PZT's functionality and properties. The general objective of this work is to study the interactions between PZT and hydrogen. The results of long-term (200-1200 hours) high-pressure (10 MPa) hydrogen exposure on the PZT microstructure show that hydrogen has only superficial effects on the microstructure of bare PZT. However, when an electrode is attached to PZT, the hydrogen damage

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2

Sun, D. "Deposition-patterning of lead zirconate titanate (PZT) using electrohydrodynamic atomization." Thesis, University College London (University of London), 2008. http://discovery.ucl.ac.uk/1445863/.

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This research develops a novel processing technique, namely electrohydrodynamic atomization, for forming lead zirconate titantate (PZT) in various structures. The capability to process PZT materials is crucial due to the demand in applications of sensors, capacitors and actuators. Structures from continuous films to columnar structures and track-structures need to be fabricated with high effectiveness, low cost and high accuracy. This study focused on investigating a new deposition-patterning technique to fabricate such versatile material. Electrohydrodynamic atomization is a novel processing

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3

Su, Bo. "Novel fabrication processing for improved lead zirconate titanate (PZT) ferroelectric ceramic materials." Thesis, University of Birmingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.668338.

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4

Lee, Sungchul. "Characterization of lead zirconate titanate (PZT) thin films for ferroelectric memory applications." Diss., The University of Arizona, 1993. http://hdl.handle.net/10150/186318.

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Recently, significant progress has been made in integrating ferroelectric materials and semiconductor technology to achieve high density, semiconductor memories. The hysteresis behavior of the polarization versus the electric field and high dielectric constant of ferroelectric materials are useful for non-volatile and dynamic random access memories (DRAMs), respectively. Lead Zirconate-Titanate (Pb(Zr,Ti)O₃), commonly called PZT, is considered to be potentially important in memory applications. PZT is the ferroelectric material studied here. In this dissertation, the measurement methods for po

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5

Garcia, Melendrez Jose Angel. "Ferroelectric and ferroelastic phenomena in PZT thin films." Thesis, University of Cambridge, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.707904.

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6

Akella, Sriram. "Design and test of lead-zirconate-titanate flexural plate wave based actuators." [Tampa, Fla.] : University of South Florida, 2005. http://purl.fcla.edu/fcla/etd/SFE0001001.

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7

Zai, Marvin Ho-Ming. "Chemical synthesis of lead zirconate titanate thin films for a piezoelectric actuator." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367760.

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8

Planer, Jakub. "Ab-initio výpočty elektronických a strukturních vlastností olovo-zirkonátu-titanátu (PZT)." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-319928.

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This work is focused on Density Functional Theory (DFT) calculations of oxygen vacancy diffusion barriers in mixed perovskite lead zirconate titanate and its pure counterparts. We found out that barrier heights are different in lead titanate and lead zirconate caused by the different localization of the excess electrons due to the oxygen vacancy formation. Diffusion barriers were also determined for titanium-rich mixed phases and compared to experimental values. This work contributes to clarify unusually low experimentally measured diffusion coefficients in PZT. We found out that the induced v

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9

Karastamatis, Thomas. "Measuring the R-curves of lead zirconate titanate (PZT) from a surface crack in flexure (SCF)." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/16713.

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10

Gu, Xing. "High quality molecular beam epitaxy growth and characterization of lead titanate zirconate based complex-oxides." VCU Scholars Compass, 2007. http://scholarscompass.vcu.edu/etd/1603.

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Research interest in complex oxides has resurged owing to progress in modern epitaxial techniques. Among such oxides, lead-titanate-based thin films such as PbTiO3 (PTO) and Pb(ZrxTi1−x)O3 (PZT) offer attractive advantages for a wide variety of applications. Moreover, integration between functional oxides with compound semiconductors has the potential to realize multi-functional devices which enjoy the properties from both groups of materials. Ferroelectric materials with a perovskite structure (ABO3) and semiconductors such as GaN with a hexagonal structure, require a careful choice of a brid

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11

Sekhar, Praveen Kumar. "Process development and characterization of sol-gel lead zirconate titanate films for fabrication of flexural plate wave devices." [Tampa, Fla.] : University of South Florida, 2005. http://purl.fcla.edu/fcla/etd/SFE0001125.

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12

TANAKA, Keisuke, Yoshiaki AKINIWA, Yoshihisa SAKAIDA, and Hirohisa KIMACHI. "Lattice Strain and Domain Switching Induced in Tetragonal PZT by Poling and Mechanical Loading." The Japan Society of Mechanical Engineers, 2000. http://hdl.handle.net/2237/9183.

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13

Santos, Marcello Pojucan Magaldi. "Preparação e caracterização de cerâmicas piezoelétricas do tipo PZT co-dopadas com nióbio e ferro." Universidade do Estado do Rio de Janeiro, 2009. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=1310.

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Fundação Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro<br>As cerâmicas piesoelétricas estudadas neste trabalho (Pb1,03Zr0,53Ti0,47O3, Pb1,03Zr0,525Nb0,05Ti0,465Fe0,005O3, Pb1,03Zr0,515Nb0,015Ti0,465Fe0,005O3, Pb1,03Zr0,525Nb0,005Ti0,455Fe0,015O3 e Pb1,03Zr0,515Nb0,015Ti0,455Fe0,015O3) foram sinterizadas a 1200oC e 1250oC por 3,5 h a fim de que suas propriedades piesoelétricas fossem investigadas. Nas composições dos PZT obtidas, a matriz e os dopantes empregaram óxidos como matérias primas. As misturas dos óxidos precursores foram calcinadas a 850oC por 3,5 h para obtenç

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14

Mesquita, Alexandre. "Síntese e caracterização estrutural e dielétrica de compostos ferroelétricos \'PB IND.1-X\'\'R IND.X\'\'ZR IND.0,40\'\'TI IND.0,60\'\'O IND.3\' (R = La, Ba)." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/88/88131/tde-19042011-172117/.

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O titanato e zirconato de chumbo \'PB\'(\'ZR\'1-y\'TI\'y)\'O IND.3\' é um material ferroelétrico de estrutura perovskita que tem sido aplicado como transdutores, amplificadores, sensores piezoelétricos, piroelétricos e memórias ferroelétricas. É bem estabelecido que a incorporação de íons de \'LA POT.3+\' ou \'BA POT.2+\' nos sítios ocupados pelo \'PB\' no sistema \'PB\'(\'ZR\'1-y\'TI\'y)\'O\' (PZT), formando os sistemas \'PB\'1-x\'LA\'x\'ZR\'1-y\'TI\'y\'O IND.3\' (PLZT) e \'PB\'1-x\'BA\'x\'ZR\'1-y\'TI\'y\'O IND.3\' (PBZT), provoca mudanças significativas nas suas propriedades. No entanto, pou

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LANZA, Alexandre Costa. "Reciclagem do Titanato-Zirconato de Chumbo (PZT) pelo Método Coprecipitado." reponame:Repositório Institucional da UNIFEI, 2013. http://repositorio.unifei.edu.br:8080/xmlui/handle/123456789/787.

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Submitted by repositorio repositorio (repositorio@unifei.edu.br) on 2017-06-01T12:53:06Z No. of bitstreams: 1 dissertacao_lanza_2013.pdf: 4476116 bytes, checksum: 4e88d917904e480311358c009a160b11 (MD5)<br>Made available in DSpace on 2017-06-01T12:53:06Z (GMT). No. of bitstreams: 1 dissertacao_lanza_2013.pdf: 4476116 bytes, checksum: 4e88d917904e480311358c009a160b11 (MD5) Previous issue date: 2013<br>A atual e rápida evolução tecnológica vem ocasionando a geração de produtos com ciclos de vida cada vez mais curtos, acarretando o seu acúmulo em locais inadequados, comprometendo, sobretudo, a

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16

Tong, Sheng. "Dielectric and Ferroelectric Properties of Lead Lanthanum Zirconate Titanate Thin Films for Capacitive Energy Storage." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1352993943.

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Moura, Walterley Araujo. "Uso da técnica do pulso eletroacústico para o estudo de polietilenos e titanato zirconato de chumbo (PZT)." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/76/76132/tde-15052009-093400/.

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Este trabalho tem como finalidade usar a técnica do pulso eletroacústico (PEA) para investigar a formação de carga espacial em materiais poliméricos utilizados na isolação elétrica, tais como, polietileno de alta densidade e o XLPE e a também investigar a resposta ferroelétrica do PZT durante o processo de polarização. O método de pulso eletroacústico é baseado na propagação do sinal acústico gerado pela aplicação de um pulso de tensão elétrico de 5ns de largura. Apresentamos todas as etapas da montagem do sistema PEA, a análise do sistema elétrico e o tratamento matemático dos sinais de forma

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18

Albarici, Viviane Cristina. "Síntese e caracterização de nanoilhas de PZT e BaTiO3." Universidade Federal de São Carlos, 2007. https://repositorio.ufscar.br/handle/ufscar/6095.

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Made available in DSpace on 2016-06-02T20:34:07Z (GMT). No. of bitstreams: 1 1946.pdf: 9292037 bytes, checksum: 119351fd8e0cd7b745977db6fd72ec7c (MD5) Previous issue date: 2007-09-27<br>Universidade Federal de Sao Carlos<br>This work presents a systematic study of synthesis and characterization of ferroelectric nanoislands. Generally three methods were had been studied: polymerized complex method (MPC), hydrothermal synthesis and nonaqueous synthesis. In order to optimize the formation of nanoislands we realized studies about influence of some experimental parameters. When we used MPC the co

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Yoon, Sang Hoon Kim Dong Joo. "Growth and characterization of ZNO and PZT films for micromachined acoustic wave devices." Auburn, Ala, 2009. http://hdl.handle.net/10415/1719.

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Benhocine, Abdelhamid. "Depots de couches minces de metaux refractaires et de zirconates titanates de plomb (pzt) par pulverisation par faisceau d'ions : etude des mecanismes reactionnels et interfaces." Paris 11, 1994. http://www.theses.fr/1994PA112066.

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Le travail presente dans cette these porte sur les contacts metaux refractaires sur silicium et les couches minces de zirconates titanates de plomb (pzt), elabores par pulverisation par faisceau d'ions dans un bati ultravide. Les modes de croissance des films metalliques ainsi que la stabilite thermique ont ete suivis par des analyses auger in situ. Pour le couple w/si, le mode de croissance est tres affecte par l'energie des ions argon incidents et la presence d'un oxyde de silicium a l'interface. Nous avons mis en evidence l'influence de la presence des impuretes a l'interface sur la stabili

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Barrado, Cristiano Morita. "Desenvolvimento de célula hidrotérmica para obtenção de compostos nanocristalinos de alta pureza." Universidade Federal de São Carlos, 2008. https://repositorio.ufscar.br/handle/ufscar/6447.

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Made available in DSpace on 2016-06-02T20:36:22Z (GMT). No. of bitstreams: 1 2481.pdf: 6979956 bytes, checksum: 8bbd2b90989a8f91aab8eb1205623246 (MD5) Previous issue date: 2008-01-31<br>Financiadora de Estudos e Projetos<br>Due to the growing advances obtained in nanomaterials science, almost all technological sectors have invested in nanotechnology. It is expected technological improvements in a wide range of products, from the most conventional to nanostructured, as nanocomposites and nanoelectronics materials. Several techniques have been proposed in the literature aiming the search of th

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Yamada, Liliam Kaori. "Cerâmicas de PZT modificadas com terras raras sintetizadas usando o método dos complexos oxidantes de peróxido (OPM) e sinterizadas por micro-ondas." Universidade Federal de São Carlos, 2013. https://repositorio.ufscar.br/handle/ufscar/6566.

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Made available in DSpace on 2016-06-02T20:36:47Z (GMT). No. of bitstreams: 1 5417.pdf: 4157495 bytes, checksum: eabfb8a8b0b202271f5fe42cec83974c (MD5) Previous issue date: 2013-07-23<br>Universidade Federal de Minas Gerais<br>The Pb(Zr0,52Ti0,48)O3 solid solution in morphotropic phase and its modified (RExPb1-x)(Zr0,52Ti0,48O3) with RE = La, Pr or Nd and x = 0.05, 0.10, 0.15, 0.20, 0.30, 0.38 and 0.45 were satisfctorily prepared by oxidant peroxo method (OPM), in which the solid solutions of Pr- and Nd-PZT were first synthesized by this technique. The PZT medication with RE caused the loss o

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Pérez, de la Cruz Javier. "Preparation and characterization of ferroelectric PZT films for electromechanical and memory applications." Doctoral thesis, Universidade de Aveiro, 2004. http://hdl.handle.net/10773/17799.

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Doutoramento em Engenharia de Materiais<br>In this study, a modified methoxyethanol sol-gel was developed with the objective to obtain high-quality PbZr0.52 Ti0.48O3 (PZT) films at low temperature. The modification in the sol-gel solution consists of multiple distillations of Pb precursor after dissolving in 2-methoxyethanol and increasing the pyrolisis temperature after individual layer deposition. In addition, a large amount of PbO excess (20%) is used to maintain the stoichiometry of PZT films and the stability of the solution. The preliminary studies were focused in the characteriza

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Hsieh, Song-Yiing, and 謝松穎. "Preparation and Properties of Lead Zirconate Titanate (PZT) Thick Films." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/15294219437767998557.

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碩士<br>國立清華大學<br>材料科學工程學系<br>89<br>There are many methods to prepare PZT films. For examples, tape casting can be used to prepare films with thickness above 10 μm, and PVD methods can be used for films below 1μm thickness. However, it is difficult to prepare films of thickness between 1μm and 10μm by traditional methods. Therefore, the purpose of this study is to investigate new methods for depositing PZT films between 1μm and 10μm efficiently and inexpensively. The preparing methods we choose were MOD method and EPD method. In preparing PZT films by MOD method, we have tried to inve

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Chen, Gow-Hson, and 陳國雄. "Characterization of Lead Zirconate Titanate (PZT) Thin Film Ultrasonic Devices." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/43721631783380584219.

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碩士<br>國立海洋大學<br>電機工程學系<br>85<br>Recently many researchers have paid much attention to the so called "smart sensor" that is integrated with modern signal processing and signal detecting. The purpose of this study is to fabricate and analyze high sensitive PZT thin film ultrasonic sensors. In this experiment, the PZT material, silicon substrates and the RF planar magnetron sputtering system are adopted to deposit PZT thin films on silicon substrates for ultrasonic sensors

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Hsiao, Yu-Jen, and 蕭育仁. "A study on properties of lead zirconate titanate(PZT) thin film." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/31234100502976312480.

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碩士<br>國立成功大學<br>材料科學及工程學系<br>89<br>In this study , PZT thin film has been successfully synthesized by MOD .Meanwhile，the PZT thin film were also deposited by radio frequency(RF) magnetron sputtering on Pt/Ti/SiO2/Si substrate The influence of sputtering growth rate , constituents , surface and grain size by the change of sputtering time, RF power , working pressure , partial oxygen pressure and substrate heating were investigate . The structure and electrical properties of PZT films by normal annealing and rapid thermal annealing were examined. The k2 values were measur

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Kim, Taeyun. "Lead zirconate titanate (PZT) based thin film capacitors for embedded passive applications." 2003. http://www.lib.ncsu.edu/theses/available/etd-08182003-224745/unrestricted/etd.pdf.

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Lu, Peng-Cheng, and 盧平強. "The Study and Fabrication of Lead Zirconate Titanate (PZT) Thin Films Ultrasonic Sensors." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/88477900607021565451.

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碩士<br>國立海洋大學<br>電子工程學系<br>83<br>Recently many researchers have paid much attention to the so called "smart sensor" that is integrated with modern signal processing and signal detecting, due to the drastic progress in signal processing and microcomputer techniques.The purpose of this study is to fabricate high sensitive PZT thin film ultrasonic sensors which can be used in dynamic control and communications. However, the traditional ultrasonic sensors fabricated on bulk ceramic is difficult

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Graham, Joseph Turner. "A study of the ferroelectric properties of neutron irradiated lead zirconate titanate." 2013. http://hdl.handle.net/2152/21407.

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Lead zirconate titantate (PZT) is an electroceramic material with many important technological applications in sensing and computer memory. Some of these applications require the PZT based devices to operate in radiation fields where they will be exposed to a high flux of energetic, heavy and light, charged and uncharged particles. The risk to any device exposed to ionizing radiation is the accumulation of displacement and ionization damage. Significant damage accumulation over time can lead to property drifts and, in some cases, failure of the device to perform properly. The goal of the under

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Kalyani, Ajay Kumar. "Electric Field Driven Structural Transformations in BaTiO3 and Lead Zirconate Titanate (PZT) based Piezoceramics." Thesis, 2015. http://etd.iisc.ac.in/handle/2005/4084.

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Ferroelectrics are important class of functional materials that finds application in transducers, actuators, memory devices, electro-optics and position sensing devices. Until recently, the high performance piezoelectrics were based on lead-based alloys such as Pb(Zr,Ti)O3(PZT), Pb(Mg1/3Nb2/3)O3-PbTiO3(PMN-PT) and Pb(Zn1/3Nb2/3)O3-PbTiO3(PZN-PT). However, the presence of ~60% of toxic lead(Pb) in PZT based commercial piezoelectric materials has raised serious health and environmental concerns and legislation are being framed world wide to free industrial products from toxic elements. As a cons

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Chen, C. J., and 陳建宇. "The electrical characterization of lead zirconate titanate (PZT) thin films using atomic force microscope." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/84371453595924006608.

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碩士<br>國立清華大學<br>物理學系<br>88<br>Abstract In this experiment,we discuss that grain sizes have different effect on C-V curve and P-E curve . The result is that the film of smaller grain size have high capacity and have smoother P-E curve than the flim of greater grain size measured at different areas . In the local P-E curve , we got different curve at different frequency.When the frequency is 500mHZ, we can see the local P-E curve . If we increase sweep time,the P-E curve will decay at 500mHZ and 5mHZ;how-ever,we can not see the same phenomenon at the frequency 50mHZ.

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Hsieh, Chiao-Ling, and 謝巧羚. "Development of the Lead Zirconate Titanate (PZT) High Frequency Ultrasound Needle Transducer and Clinical Verification." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/17221996773668723346.

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碩士<br>國立陽明大學<br>醫學工程研究所<br>101<br>Epidural anesthesia is a highly experience dependent procedure. It is a challenge to properly position the epidural needle into the epidural space without dural puncture which damages the dura maters. Avoiding dural puncture, we develop a ultrasound needle transducer epidural positioning system. We use lead zirconate titanate (PZT-5H) as active piezoelectric crystal, which is the most mature material in fabricating ultrasound transducer in Taiwan. In this study, a high-frequency single-element needle transducer with an aperture size of 0.5×0.5 mm2, needle leng

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Losego, Mark Daniel. "The chemical solution deposition of lead zirconate titanate (PZT) thin films directly on copper surfaces." 2005. http://www.lib.ncsu.edu/theses/available/etd-06292005-192115/unrestricted/etd.pdf.

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Wang, Chun Hsiang, and 王俊翔. "Using Plasma Treatment on Lead Zirconate Titanate (PZT) as Sensing Membrane in Electrolyte-Insulator-Semiconductor (EIS)." Thesis, 2019. http://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi/login?o=dnclcdr&s=id=%22107CGU05428017%22.&searchmode=basic.

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Polcawich, Ronald G. "Design, fabrication, test, and evaluation of RF MEMS series switches using lead zirconate titanate (PZT) thin film actuators." 2007. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-2117/index.html.

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Wang, Wen Jie, and 王文傑. "The effects of 2-ethylcaproic acid on preparing lead zirconate titanate (PZT) thin films by sol-gel method." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/20714275747385420190.

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Geetika, *. "Synthesis, Structure And Properties Of MPB Composition In PZT- Type Ceramics." Thesis, 2009. https://etd.iisc.ac.in/handle/2005/1982.

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The first chapter introduces the basic principles governing the phenomenon like ferroelectricity, piezoelectricity and pyroelectricity, which influences the material properties for its device applications. An effort is made to examine the present status of material issues, measurement techniques and applications pertaining to the lead based PZT type systems. This chapter also highlights the objectives and the scope of work. The second chapter deals with the various basic experimental techniques and principles adopted for the synthesis and characterizations of materials which include phase an

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Geetika, *. "Synthesis, Structure And Properties Of MPB Composition In PZT- Type Ceramics." Thesis, 2009. http://etd.iisc.ernet.in/handle/2005/1982.

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The first chapter introduces the basic principles governing the phenomenon like ferroelectricity, piezoelectricity and pyroelectricity, which influences the material properties for its device applications. An effort is made to examine the present status of material issues, measurement techniques and applications pertaining to the lead based PZT type systems. This chapter also highlights the objectives and the scope of work. The second chapter deals with the various basic experimental techniques and principles adopted for the synthesis and characterizations of materials which include phase and

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Berfield, Thomas A. "Residual stress development and effect on the piezoelectric performance of sol-gel derived lead zirconate titanate (PZT) thin films /." 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3314731.

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Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008.<br>Source: Dissertation Abstracts International, Volume: 69-05, Section: B, page: 3078. Adviser: Nancy R. Sottos. Includes bibliographical references. Available on microfilm from Pro Quest Information and Learning.

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"Physicochemical Characterization of PZT-Based Ultrasonic Transducer Stacks." Master's thesis, 2018. http://hdl.handle.net/2286/R.I.50514.

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abstract: A piezoelectric transducer, comprised of electroded and active pad PZT layer atop a backing PZT layer and protected with an acoustic matching layer, and operating under a pulse-echo technique for longitudinal ultrasonic imaging, acts as both source and detector. Ultrasonic transducer stacks (modules), which had failed or passed during pulse-echo sensitivity testing, were received from Consortium X. With limited background information on these stacks, the central theme was to determine the origin(s) of failure via the use of thermal and physicochemical characterization techniques.

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Walenza-Slabe, Joel. "Sputtered Pb(Zr₀.₅₂Ti₀.₄₈)O₃ (PZT) thin films on copper foil substrates." Thesis, 2012. http://hdl.handle.net/1957/36401.

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Pb(Zr₀.₅₂Ti₀.₄₈)O₃ (PZT) thin films are of interest for their large dielectric permittivity, ferroelectric, and piezoelectric properties. The material has been widely studied for use in high frequency transducers, multi-layered capacitors, and ferroelectric random access memory. Copper foils are an inexpensive, flexible substrate with a low resistivity which makes them ideal for many transducer and capacitor applications. PZT thin films on copper foils were produced by RF sputtering and crystallized under reducing conditions. Causes and prevention of a cuprous oxide interlayer are discussed. T

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Tiwari, Sudhanshu. "Development of PZT Based PiezoMEMS for Fluid Property Sensing." Thesis, 2020. https://etd.iisc.ac.in/handle/2005/5085.

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The research on Microelectromechanical Systems (MEMS) has resulted in several practical applications which have revolutionised the fi eld of sensors and actuators. Piezoresistive pressure sensors, capacitive micro-mirror devices, and accelerometers are a few of the earliest successful examples of practical MEMS devices. PiezoMEMS are a class of devices wherein thin piezoelectric films are used as active elements for transduction. These devices offer several advantages over capacitive MEMS such as low voltage operation, higher in-air Q-factor and relatively large actuation force. Lead Z

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Kamble, Sandeep Namadev. "Indentation Strength Of Piezoelectric Ceramics." Thesis, 2005. https://etd.iisc.ac.in/handle/2005/1391.

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Kamble, Sandeep Namadev. "Indentation Strength Of Piezoelectric Ceramics." Thesis, 2005. http://etd.iisc.ernet.in/handle/2005/1391.

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Shrikanth, V. "A Non Resonant Piezoelectric Sensor for Mass, Force and Stiffness Measurements." Thesis, 2015. http://etd.iisc.ac.in/handle/2005/4029.

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The word piezo in greek means \to compress". Piezoelectric sensors work on the principle of direct piezoelectric effect, where a mechanical input generates a corresponding electric charge. The advantages of these sensors are wide fre-quency range of operation, high stiffness and small size. The main limitation of a piezoelectric sensor is that it cannot be used in measurements that are truly static. When a piezoelectric sensor is subjected to a static force, a fixed amount of charge is developed which would eventually decay at a rate dependent on the external impedance of the sensor circuitry.

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Shrikanth, V. "A Non Resonant Piezoelectric Sensor for Mass, Force and Stiffness Measurements." Thesis, 2015. http://etd.iisc.ernet.in/2005/4000.

Full text

Abstract:

The word piezo in greek means \to compress". Piezoelectric sensors work on the principle of direct piezoelectric effect, where a mechanical input generates a corresponding electric charge. The advantages of these sensors are wide fre-quency range of operation, high stiffness and small size. The main limitation of a piezoelectric sensor is that it cannot be used in measurements that are truly static. When a piezoelectric sensor is subjected to a static force, a fixed amount of charge is developed which would eventually decay at a rate dependent on the external impedance of the sensor circuitry.

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