Processing of Pb(Zr{sub 0.52}Ti{sub 0.48})O{sub 3} (PZT) ceramics from microwave and conventional hydrothermal powders
Lead zirconium titanate (PZT) perovskite powders were synthesized without using any excess lead content by microwave hydrothermal method (M-H) at 122 C and conventional hydrothermal (C-H) method at 138 C. PZT powders prepared by both methods showed a particle size of less than 4 {micro}m. Pellets pr...
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| Veröffentlicht in: | Materials research bulletin 1999-07, Vol.34 (9) |
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| creator | Abothu, I.R. Liu, S.F. Komarneni, S. Li, Q.H. |
| description | Lead zirconium titanate (PZT) perovskite powders were synthesized without using any excess lead content by microwave hydrothermal method (M-H) at 122 C and conventional hydrothermal (C-H) method at 138 C. PZT powders prepared by both methods showed a particle size of less than 4 {micro}m. Pellets prepared from these powders and sintered at 1,250 C for 4 h, without any additives or sintering aids, showed densities in the range of 92--95% of theoretical density. Variation of relative permittivity and dissipation factor with temperature of these PZT pellets was studied. A maximum permittivity of 20,570, low dissipation factor of 0.002, and Curie temperature of 373 C were observed for sintered pellets prepared from PZT powders obtained by microwave hydrothermal method. The pellets prepared from PZT powders obtained by the conventional hydrothermal method showed a relative permittivity of 16,310, dissipation factor of 0.001, and Curie temperature of 351 C. |
| doi_str_mv | 10.1016/S0025-5408(99)00143-9 |
| format | Article |
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PZT powders prepared by both methods showed a particle size of less than 4 {micro}m. Pellets prepared from these powders and sintered at 1,250 C for 4 h, without any additives or sintering aids, showed densities in the range of 92--95% of theoretical density. Variation of relative permittivity and dissipation factor with temperature of these PZT pellets was studied. A maximum permittivity of 20,570, low dissipation factor of 0.002, and Curie temperature of 373 C were observed for sintered pellets prepared from PZT powders obtained by microwave hydrothermal method. The pellets prepared from PZT powders obtained by the conventional hydrothermal method showed a relative permittivity of 16,310, dissipation factor of 0.001, and Curie temperature of 351 C.</description><identifier>ISSN: 0025-5408</identifier><identifier>EISSN: 1873-4227</identifier><identifier>DOI: 10.1016/S0025-5408(99)00143-9</identifier><language>eng</language><publisher>United States</publisher><subject>CURIE POINT ; ELECTRICAL PROPERTIES ; HYDROTHERMAL SYNTHESIS ; LEAD OXIDES ; MATERIALS SCIENCE ; MICROWAVE EQUIPMENT ; POWDERS ; SINTERING ; TEMPERATURE DEPENDENCE ; TITANIUM OXIDES ; ZIRCONIUM OXIDES</subject><ispartof>Materials research bulletin, 1999-07, Vol.34 (9)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27922,27923</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/20006462$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Abothu, I.R.</creatorcontrib><creatorcontrib>Liu, S.F.</creatorcontrib><creatorcontrib>Komarneni, S.</creatorcontrib><creatorcontrib>Li, Q.H.</creatorcontrib><creatorcontrib>Pennsylvania State Univ., University Park, PA (US)</creatorcontrib><title>Processing of Pb(Zr{sub 0.52}Ti{sub 0.48})O{sub 3} (PZT) ceramics from microwave and conventional hydrothermal powders</title><title>Materials research bulletin</title><description>Lead zirconium titanate (PZT) perovskite powders were synthesized without using any excess lead content by microwave hydrothermal method (M-H) at 122 C and conventional hydrothermal (C-H) method at 138 C. PZT powders prepared by both methods showed a particle size of less than 4 {micro}m. Pellets prepared from these powders and sintered at 1,250 C for 4 h, without any additives or sintering aids, showed densities in the range of 92--95% of theoretical density. Variation of relative permittivity and dissipation factor with temperature of these PZT pellets was studied. A maximum permittivity of 20,570, low dissipation factor of 0.002, and Curie temperature of 373 C were observed for sintered pellets prepared from PZT powders obtained by microwave hydrothermal method. 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PZT powders prepared by both methods showed a particle size of less than 4 {micro}m. Pellets prepared from these powders and sintered at 1,250 C for 4 h, without any additives or sintering aids, showed densities in the range of 92--95% of theoretical density. Variation of relative permittivity and dissipation factor with temperature of these PZT pellets was studied. A maximum permittivity of 20,570, low dissipation factor of 0.002, and Curie temperature of 373 C were observed for sintered pellets prepared from PZT powders obtained by microwave hydrothermal method. The pellets prepared from PZT powders obtained by the conventional hydrothermal method showed a relative permittivity of 16,310, dissipation factor of 0.001, and Curie temperature of 351 C.</abstract><cop>United States</cop><doi>10.1016/S0025-5408(99)00143-9</doi></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | CURIE POINT ELECTRICAL PROPERTIES HYDROTHERMAL SYNTHESIS LEAD OXIDES MATERIALS SCIENCE MICROWAVE EQUIPMENT POWDERS SINTERING TEMPERATURE DEPENDENCE TITANIUM OXIDES ZIRCONIUM OXIDES |
| title | Processing of Pb(Zr{sub 0.52}Ti{sub 0.48})O{sub 3} (PZT) ceramics from microwave and conventional hydrothermal powders |
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