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		<doi>10.4028/www.scientific.net/MSF.727-728.505</doi>
		<issn>0255-5476</issn>
		<label>lattes: 3979447098275675 1 SilvaNetoRossSilv:2012:ApPZDi</label>
		<citationkey>SilvaNetoRossSilv:2012:ApPZDi</citationkey>
		<title>Applications of PZT Dielectric Ceramics in High-Energy Storage Systems</title>
		<year>2012</year>
		<secondarytype>PRE PI</secondarytype>
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		<size>665 KiB</size>
		<author>Silva Neto, Lauro Paulo da,</author>
		<author>Rossi, José Osvaldo,</author>
		<author>Silva, A. R.,</author>
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		<group></group>
		<group>LAP-CTE-INPE-MCTI-GOV-BR</group>
		<affiliation></affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<electronicmailaddress>silvaneto007@yahoo.com.br</electronicmailaddress>
		<electronicmailaddress>rossi@plasma.inpe.br</electronicmailaddress>
		<e-mailaddress>silvaneto007@yahoo.com.br</e-mailaddress>
		<journal>Materials Science Forum. Advanced Powder Technology VIII Book Series</journal>
		<volume>727-728</volume>
		<pages>505-510</pages>
		<secondarymark>C_ASTRONOMIA_/_FÍSICA B5_ECOLOGIA_E_MEIO_AMBIENTE B1_ENGENHARIAS_I B2_ENGENHARIAS_II B5_ENGENHARIAS_III B1_INTERDISCIPLINAR B2_MATERIAIS B5_MEDICINA_I B3_MEDICINA_II B1_ODONTOLOGIA C_QUÍMICA</secondarymark>
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		<keywords>ceramic, capacitor, PZT, breakdown voltage, dielectric constant.</keywords>
		<abstract>The barium and strontium titanate (BST) ceramics have been used with great success as excellent dielectrics in the construction of high voltage (HV) commercial ceramic capacitors with reduced dimensions because of their high dielectric constant. However, the main point of this paper is to investigate other type of ceramic known as PZT (Lead Zirconate Titanate) normally used as piezoelectric sensors in industrial applications. The idea herein is to use the PZT ceramics as HV dielectrics for applications in high-energy storage systems by de-poling their piezoelectric properties in order to avoid dielectric damage and losses at high frequencies. For this, de-poled PZT-4 ceramic samples (30 mm × 2 mm) were submitted to HV tests, in which their dielectric breakdown strength and dielectric constant variation with the applied voltage were assessed. These results obtained confirmed the use of PZT in applications that require reasonable dielectric constant stability (< 15 %) with voltage and HV dielectric breakdown (40 kV/cm) for compact high-energy storage devices.</abstract>
		<area>FISMAT</area>
		<language>en</language>
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		<notes>Setores de Atividade: Outras atividades profissionais, científicas e técnicas.</notes>
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