WO2003029164A2 - Piezoelektrische keramische werkstoffe auf der basis von blei-zirkonat-titanat (pzt) mit valenzkompensierten ag-haltigen komplexen - Google Patents
Piezoelektrische keramische werkstoffe auf der basis von blei-zirkonat-titanat (pzt) mit valenzkompensierten ag-haltigen komplexen Download PDFInfo
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- WO2003029164A2 WO2003029164A2 PCT/DE2002/003656 DE0203656W WO03029164A2 WO 2003029164 A2 WO2003029164 A2 WO 2003029164A2 DE 0203656 W DE0203656 W DE 0203656W WO 03029164 A2 WO03029164 A2 WO 03029164A2
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- Prior art keywords
- pzt
- ions
- piezoelectric ceramic
- ceramic materials
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- 229910052451 lead zirconate titanate Inorganic materials 0.000 title claims abstract description 31
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 229910010293 ceramic material Inorganic materials 0.000 title claims description 12
- 150000002500 ions Chemical class 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 230000004048 modification Effects 0.000 claims abstract description 13
- 238000012986 modification Methods 0.000 claims abstract description 13
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 150000001768 cations Chemical class 0.000 claims description 4
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- 229910052745 lead Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- 229910052779 Neodymium Inorganic materials 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000919 ceramic Substances 0.000 abstract description 7
- 229910052709 silver Inorganic materials 0.000 abstract description 7
- 239000004332 silver Substances 0.000 abstract description 7
- 238000001465 metallisation Methods 0.000 abstract description 6
- 238000009792 diffusion process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- -1 Ag+ ions Chemical class 0.000 abstract description 2
- 229910052763 palladium Inorganic materials 0.000 abstract description 2
- 239000010970 precious metal Substances 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 230000010287 polarization Effects 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/49—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates
- C04B35/491—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates based on lead zirconates and lead titanates, e.g. PZT
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
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- C04B35/491—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates based on lead zirconates and lead titanates, e.g. PZT
- C04B35/493—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates based on lead zirconates and lead titanates, e.g. PZT containing also other lead compounds
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
- H10N30/8548—Lead-based oxides
- H10N30/8554—Lead-zirconium titanate [PZT] based
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Definitions
- the invention relates to the modification of piezoelectric ceramic materials based on lead zirconate titanate (PZT).
- PZT lead zirconate titanate
- piezoceramic multilayer actuators based on lead zirconate titanate are largely determined by the compatibility of low-sintering PZT ceramics with the AgPd internal metallization when cofiring.
- Ag ions in PZT modifications have a high diffusivity at high temperatures (> 800 ° C) and also act as acceptor doping when installed in the PZT system.
- Acceptor substitution that is not or only partially compensated for by donor ions, such as Nb 5+ , can lead to drastic changes in the ferroelectric properties and thus also in the deformation behavior of actuator materials. This effect must be taken into account when selecting the AgPd alloy for the internal electrodes. There are limits to the reduction in the proportion of the precious metal palladium, because as the proportion of silver in the internal electrodes increases, the silver diffuses to an increasing extent into the piezoceramic.
- the deformation characteristic is achieved by anticipating the introduction of Ag + ions when sintering piezoceramic laminates with AgPd internal metallization by adding Ag when formulating the composition not stabilized by conventionally modified PZT compositions.
- the object of the invention is to prevent diffusion of Ag into the ceramic material as far as possible despite a reduced Pd content in the electrode material.
- the hypothetical complex Sr (Ag 0 , 25Nbo, 75) O 3 is used in a PZT-SAN (1-y) Pb system (Zr x Ti 1 - x ) O 3 -ySr (Ago, 25Nb 0 , 7 5) O 3 into consideration.
- composition 0.98Pb (Zr 0 , 52Tio, 4 8) O 3 -0.02Sr (Ago, 2 5Nb 0 , 75) O 3 of the PZT-SAN system with an Ag content of 0.178% by weight was compared with the model substance compared with the non-stoichiometric composition 0.98Pb (Zro, 52 Tio, 48 ) ⁇ 3 -0.02Sr (Ago, ooNbo, 75 ) ⁇ 3 without Ag + ions for acceptor-donor valence compensation.
- the properties show that it is not possible to achieve valence compensation by eliminating the acceptor deficit by diffusing Ag from the internal electrodes.
- the deformation of the non-stoichiometric composition is significantly less than that of the stoichiometric composition.
- the invention is explained in more detail using an exemplary embodiment.
- the polarization and deformation behavior of laminates without and with internal electrodes was examined.
- the interaction of the modified PZT ceramics with different AgPd alloys (AgPd 70/30 and AgPd 85/15) during the cofiring of the laminates is assessed and a solution for reducing the Pd content ⁇ 30 is shown.
- the sintering temperatures of the piezoceramics of the PZT-SAN system are in the range from 950 ° C to 1100 ° C. Examples for the compositions are 0.98Pb (Zro ⁇ 52 Tio , 48 ) ⁇ 3 -
- Fig. 1 shows the polarization behavior
- Fig. 2 shows the deformation behavior of sintered laminates made of (Zro, 52 " T ⁇ o, 4 8) O 3 - 0.02Sr (Ag 0 , 2 5Nbo, 75) ⁇ 3 ceramics without and with AgPd internal electrodes.
- the values of the coercive field strength and the deformation are for the composition of 0.98Pb (Zro, 52 ⁇ io, 48) ⁇ 3-0.02Sr (Ago, 25Nb 0
- Ag + ions to form valence-compensated compositions of the PZT system, a high level of deformation is maintained, ie the acceptor-donor effect in the system is very similar to that of the conventionally modified PZT system without internal electrodes, as also shown in FIG. 2 can be seen.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/490,494 US7101490B2 (en) | 2001-09-29 | 2002-09-26 | Piezoelectric ceramic materials, based on lead-ziconate-titanate (PZT), comprising valence-compensated complexes containing Ag |
DE10297698T DE10297698D2 (de) | 2001-09-29 | 2002-09-26 | Piezoelektrische keramische Werkstoffe auf der Basis von Blei-Zirkonat-Titanat (PZT) mit valenzkompensierten Ag-haltigen Komplexen |
EP02774425A EP1436239A2 (de) | 2001-09-29 | 2002-09-26 | Piezoelektrische keramische werkstoffe auf der basis von blei-zirkonat-titanat (pzt) mit valenzkompensierten ag-haltigen komplexen |
JP2003532421A JP2005503992A (ja) | 2001-09-29 | 2002-09-26 | 原子価補償されたAg含有錯体を有するジルコンチタン酸鉛(PZT)を基礎とする圧電セラミック材料 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10148333 | 2001-09-29 | ||
DE10148333.3 | 2001-09-29 | ||
DE10231471.3 | 2002-07-12 | ||
DE10231471A DE10231471A1 (de) | 2001-09-29 | 2002-07-12 | Piezokeramische Werkstoffe auf der Basis von Blei-Zirkonat-Titanat (PZT) mit valenzkompensierten Ag-haltigen Komplexen |
Publications (2)
Publication Number | Publication Date |
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WO2003029164A2 true WO2003029164A2 (de) | 2003-04-10 |
WO2003029164A3 WO2003029164A3 (de) | 2003-05-22 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/DE2002/003656 WO2003029164A2 (de) | 2001-09-29 | 2002-09-26 | Piezoelektrische keramische werkstoffe auf der basis von blei-zirkonat-titanat (pzt) mit valenzkompensierten ag-haltigen komplexen |
Country Status (5)
Country | Link |
---|---|
US (1) | US7101490B2 (de) |
EP (1) | EP1436239A2 (de) |
JP (1) | JP2005503992A (de) |
DE (2) | DE10231471A1 (de) |
WO (1) | WO2003029164A2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008068096A1 (de) * | 2006-12-07 | 2008-06-12 | Robert Bosch Gmbh | Niedrig sinterndes, piezoelektrisches material auf blei-zirkonat-titanat-mischkristall-basis, verfahren zu dessen herstellung sowie ein dieses material umfassendes piezoelektrisches bauelement |
US8858822B2 (en) | 2004-01-15 | 2014-10-14 | Epcos Ag | Ceramic material |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102110770B (zh) * | 2005-11-29 | 2012-12-12 | 京瓷株式会社 | 层叠型电子部件及其制造方法 |
JP2007258436A (ja) * | 2006-03-23 | 2007-10-04 | Alps Electric Co Ltd | 配線基板、及びその製造方法 |
US8164234B2 (en) * | 2009-02-26 | 2012-04-24 | Fujifilm Corporation | Sputtered piezoelectric material |
GB2532106B (en) * | 2014-11-04 | 2017-06-28 | Xaar Technology Ltd | A piezoelectric thin film element |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5164882A (en) * | 1990-12-17 | 1992-11-17 | Kabushiki Kaisha Toshiba | Ceramic capacitor |
WO2001093345A1 (en) * | 2000-05-26 | 2001-12-06 | Ceramtec Ag | Internal electrode material for piezoceramic multilayer actuators |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3518198A (en) * | 1968-12-05 | 1970-06-30 | Nippon Electric Co | Piezoelectric ceramics |
DE19615695C1 (de) * | 1996-04-19 | 1997-07-03 | Siemens Ag | Verfahren zur Herstellung eines Piezoaktors monolithischer Vielschichtbauweise |
-
2002
- 2002-07-12 DE DE10231471A patent/DE10231471A1/de not_active Withdrawn
- 2002-09-26 EP EP02774425A patent/EP1436239A2/de not_active Withdrawn
- 2002-09-26 DE DE10297698T patent/DE10297698D2/de not_active Expired - Fee Related
- 2002-09-26 WO PCT/DE2002/003656 patent/WO2003029164A2/de active Application Filing
- 2002-09-26 US US10/490,494 patent/US7101490B2/en not_active Expired - Fee Related
- 2002-09-26 JP JP2003532421A patent/JP2005503992A/ja not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5164882A (en) * | 1990-12-17 | 1992-11-17 | Kabushiki Kaisha Toshiba | Ceramic capacitor |
WO2001093345A1 (en) * | 2000-05-26 | 2001-12-06 | Ceramtec Ag | Internal electrode material for piezoceramic multilayer actuators |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8858822B2 (en) | 2004-01-15 | 2014-10-14 | Epcos Ag | Ceramic material |
WO2008068096A1 (de) * | 2006-12-07 | 2008-06-12 | Robert Bosch Gmbh | Niedrig sinterndes, piezoelektrisches material auf blei-zirkonat-titanat-mischkristall-basis, verfahren zu dessen herstellung sowie ein dieses material umfassendes piezoelektrisches bauelement |
Also Published As
Publication number | Publication date |
---|---|
DE10231471A1 (de) | 2003-06-26 |
WO2003029164A3 (de) | 2003-05-22 |
US7101490B2 (en) | 2006-09-05 |
US20040238784A1 (en) | 2004-12-02 |
DE10297698D2 (de) | 2005-02-17 |
EP1436239A2 (de) | 2004-07-14 |
JP2005503992A (ja) | 2005-02-10 |
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