CN1974483A - Transparent pyroelectric ceramic and its prepn process - Google Patents
Transparent pyroelectric ceramic and its prepn process Download PDFInfo
- Publication number
- CN1974483A CN1974483A CN 200610155203 CN200610155203A CN1974483A CN 1974483 A CN1974483 A CN 1974483A CN 200610155203 CN200610155203 CN 200610155203 CN 200610155203 A CN200610155203 A CN 200610155203A CN 1974483 A CN1974483 A CN 1974483A
- Authority
- CN
- China
- Prior art keywords
- ceramic
- pyroelectric ceramic
- transparent
- transparent pyroelectric
- pyroelectric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title abstract description 6
- 238000005245 sintering Methods 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 4
- 239000010439 graphite Substances 0.000 claims abstract description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract 3
- 238000002360 preparation method Methods 0.000 claims description 8
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 2
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 abstract 2
- 238000000227 grinding Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 abstract 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N lead(II) oxide Inorganic materials [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009770 conventional sintering Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The present invention discloses transparent pyroelectric ceramic in the expression of (1+y)PbO.0.90ZrO2.0.025TiO2.0.025ZnO.0.025Nb2O5, where, y is 0-0.15. The transparent pyroelectric ceramic is prepared with PbO, ZrO2, TiO2, ZnO and Nb2O5 in the stoichoimetric ratio and through a discharging plasma sintering process, which includes the steps of grinding and mixing the materials, pre-baking in atmosphere at 800 deg.c for 1-3 hr to obtain powder, filling the powder into graphite mold, vacuum sintering in a discharging plasma sintering system at 800-1000 deg.c to obtain dense ceramic sintering body, and heat treatment in the air at 800-1200 deg.c for 1-3 hr. The transparent pyroelectric ceramic of the present invention has excellent pyroelectric performance and high light transmittance, and may be used in photoelectronic device and thermal photoelectronic device in the electronic industry field.
Description
Technical field
The present invention relates to transparent pyroelectric ceramic that the components and parts such as photo-thermal electrical part, pyroelectric detector in the electronic industry use and preparation method thereof.
Background technology
Pyroelectric ceramics is widely used in infrared eye, and thermal imaging system and thermoelectric energy are directly changed etc. in the device; Transparent electronic ceramics then is widely used in the photoelectric device.In recent years, the exploitation of photo-thermal electrical part makes transparent pyroelectric ceramic receive increasing concern.But this type of material of having developed at present is less, also is difficult to satisfy practical application request.
Summary of the invention
The objective of the invention is provides a kind of new transparent pyroelectric ceramic with good pyroelectric property and good transmittance and preparation method thereof for the exploitation of photo-thermal electrical part.
Transparent pyroelectric ceramic of the present invention, its expression formula is
(1+y) PbO0.90ZrO
20.025TiO
20.025ZnO0.025Nb
2O
5, wherein, 0≤y≤0.15.
The preparation method of transparent pyroelectric ceramic of the present invention is to adopt the discharge plasma sintering method, and step is as follows:
At first, be PbO more than 99% with purity, ZrO
2, TiO
2, ZnO and Nb
2O
5Stoichiometric ratio weighing by above-mentioned expression formula, with after the mortar ground and mixed in 800 ℃ of following air atmosphere 1～3 hour synthetic powder of pre-burning, powder is packed into behind the graphite jig, utilize discharge plasma sintering system sintering in 800～1000 ℃ of following vacuum to obtain fine and close ceramic sintered bodies, sintered compact obtains transparent pyroelectric ceramic through thermal treatment in 1～3 hour under 800～1200 ℃ in air.
Beneficial effect of the present invention is:
Transparent pyroelectric ceramic of the present invention has good pyroelectric property and has high permeability in the visible region.The preparation of employing discharge plasma sintering method, technology is simple.Transparent pyroelectric ceramic of the present invention can be used for photoelectric device or novel hot photoelectric device, in electronics industry great using value is arranged.
Embodiment
Further specify the present invention below in conjunction with embodiment.
Its expression formula of transparent pyroelectric ceramic of invention is
(1+y) PbO0.90ZrO
20.025TiO
20.025ZnO0.025Nb
2O
5, wherein, 0≤y≤0.15.
Embodiment:
The preparation method: at first, be PbO more than 99% with purity, ZrO
2, TiO
2, ZnO and Nb
2O
5By the stoichiometric ratio weighing of above-mentioned expression formula, with after the mortar ground and mixed in 800 ℃ of following air atmosphere 1 hour synthetic powder of pre-burning.Powder is packed into behind the cylindrical graphite jig, utilizes discharge plasma sintering system sintering in 900 ℃ of following vacuum to obtain fine and close ceramic sintered bodies, sintered compact in air under 900 ℃ through thermal treatment in 1 hour, obtain cylindrical transparent pyroelectric ceramic.
Test shows, all can not obtain fine and close pottery carrying out discharge plasma sintering below 800 ℃ or more than 1000 ℃, and heat-treat below 800 ℃ or more than 1200 ℃ and will cause the decline of material transmittance.
The cylindrical ceramic sample that embodiment is made be ground to thickness be 0.3mm and carry out polishing both surfaces after with its transmittance in wavelength is 400nm～1000nm scope of spectrophotometer measurement.After the cylindrical sample two ends are coated silver electrode, in 120 ℃ oil bath 3 * 10
6Polarization is 20 minutes under the strength of electric field of V/m, places after 24 hours and tests its pyroelectric coefficient-20 ℃～80 ℃ of temperature ranges with stationary method.
Table 1 shows and constitutes each component content of the present invention and in the relation of transmittance and the pyroelectric coefficient under 25 ℃ and the x at wavelength 700nm place, the preparation method is as the foregoing description.
| y | 0.0 | 0.05 | 0.1 | 0.12 | 0.15 |
| Transmittance (%) | 21 | 28 | 29 | 23 | 5.5 |
| Pyroelectric coefficient (nCcm -2K -1) | 210 | 190 | 200 | 150 | 110 |
As shown in Table 1, work as y, when promptly the addition of excess PbO increased, the transmittance of ceramic sample increased, and after reaching maximum value near the y=0.1, transmittance reduces along with the increase of y; When y its transmittance greater than 0.12 time reduces rapidly.In the scope of y=0～0.15, its pyroelectric coefficient all reaches 100nCcm near room temperature
-2K
-1More than, satisfy application request.
In all the components of present embodiment, the composition of x=0.1 has optimum performance: transmittance is 29% at 700nm wavelength place, and pyroelectric coefficient is 200nCcm in the time of 25 ℃
-2K
-1
Each component content shown in the table 1, as adopting conventional sintering method sintering, the transmittance of then prepared pottery in the visible region is almost 0.
Claims (2)
1. a transparent pyroelectric ceramic is characterized in that its expression formula is (1+y) PbO0.90ZrO
20.025TiO
20.025ZnO0.025Nb
2O
5. wherein, 0≤y≤0.15.
2. the preparation method of the described transparent pyroelectric ceramic of claim 1 is characterized in that step is as follows:
At first, be PbO more than 99% with purity, ZrO2, TiO
2, ZnO and Nb
2O
5Stoichiometric ratio weighing by above-mentioned expression formula, with after the mortar ground and mixed in 800 ℃ of following air atmosphere 1～3 hour synthetic powder of pre-burning, powder is packed into behind the graphite jig, utilize discharge plasma sintering system sintering in 800～1000 ℃ of following vacuum to obtain fine and close ceramic sintered bodies, sintered compact obtains transparent pyroelectric ceramic through thermal treatment in 1～3 hour under 800～1200 ℃ in air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101552033A CN100427433C (en) | 2006-12-14 | 2006-12-14 | Transparent pyroelectric ceramic and its prepn process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101552033A CN100427433C (en) | 2006-12-14 | 2006-12-14 | Transparent pyroelectric ceramic and its prepn process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1974483A true CN1974483A (en) | 2007-06-06 |
| CN100427433C CN100427433C (en) | 2008-10-22 |
Family
ID=38124878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101552033A Expired - Fee Related CN100427433C (en) | 2006-12-14 | 2006-12-14 | Transparent pyroelectric ceramic and its prepn process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100427433C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905972A (en) * | 2009-06-04 | 2010-12-08 | 清华大学 | Aluminum-doped zinc oxide-based thermoelectric material and preparation method thereof |
| CN102351515A (en) * | 2011-07-13 | 2012-02-15 | 清华大学 | In-Ga-O base oxide thermoelectric ceramic material and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000103675A (en) * | 1998-09-30 | 2000-04-11 | Sumitomo Metal Mining Co Ltd | Production of pyroelectric ceramic composition |
-
2006
- 2006-12-14 CN CNB2006101552033A patent/CN100427433C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905972A (en) * | 2009-06-04 | 2010-12-08 | 清华大学 | Aluminum-doped zinc oxide-based thermoelectric material and preparation method thereof |
| CN102351515A (en) * | 2011-07-13 | 2012-02-15 | 清华大学 | In-Ga-O base oxide thermoelectric ceramic material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100427433C (en) | 2008-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101841314B1 (en) | Sintered oxide material, method for manufacturing same, sputtering target, oxide transparent electrically conductive film, method for manufacturing same, and solar cell | |
| CN107698252A (en) | Application and preparation method of a kind of ceramic material as high-temperature stable piezoelectric energy collection material | |
| CN109796205B (en) | Bismuth-layer-structured bismuth titanium tantalate high-temperature piezoelectric ceramic material and preparation method thereof | |
| CN102627450A (en) | Fine-crystal transparent alumina ceramic material and preparation method | |
| CN110937893A (en) | Method for improving energy density of pyroelectric composite ceramic material | |
| CN104788093B (en) | A kind of preparation method of 0.94Bi0.5Na0.5TiO3-0.06BaTiO3 leadless piezoelectric ceramics | |
| An et al. | Effects of sintering and annealing temperature on fabrication of transparent Lu2Ti2O7 by spark plasma sintering | |
| CN106747440A (en) | A kind of visible transparent energy storage ceramic and preparation method thereof | |
| CN110357624B (en) | High-dielectric-constant glass frit modified strontium zirconate doped potassium-sodium niobate lead-free transparent ceramic material and preparation method thereof | |
| JP2021038143A (en) | Oxide sintered body, sputtering target, oxide semiconductor film and thin film transistor | |
| CN108751991A (en) | A kind of laser sintered preparation Tb:Lu2O3The method of ceramics | |
| CN100427433C (en) | Transparent pyroelectric ceramic and its prepn process | |
| CN106542824A (en) | A kind of potassium-sodium niobate base transparent ceramic and preparation method thereof | |
| KR20130086093A (en) | Lead-free piezoelectric ceramics composition | |
| CN107903055A (en) | A kind of grade doping bismuth-sodium titanate Quito layer leadless piezoelectric ceramics | |
| CN100475739C (en) | Transparent pyroelectric ceramic and preparing process thereof | |
| CN108727021B (en) | Ceramic material with wide component window and high transduction coefficient for piezoelectric energy collection and preparation thereof | |
| CN104671777B (en) | One is provided simultaneously with multi-functional lead-free ceramicses such as high electric field induced strain, high energy storage density and high stable dielectric properties and preparation method thereof | |
| CN104150898A (en) | Leadless piezoelectric ceramic material capable of being sintered at low temperature and preparation method of leadless piezoelectric ceramic material | |
| KR102027018B1 (en) | Complex oxide sintered body, sputtering target, transparent conductive oxide film, and method for producing same | |
| CN113563076A (en) | Relaxation ferroelectric ceramic with high field strain temperature stability and preparation method thereof | |
| CN108203807A (en) | A kind of ZnO transparent conductive material with excellent environment stability and preparation method thereof | |
| CN108516823B (en) | Lead-free ferroelectric ceramic material with large piezoelectric strain and calendaring performance and preparation method thereof | |
| Tandon et al. | Properties of low temperature sintered neodymium doped lead zirconate titanate ceramics | |
| CN112500160A (en) | Potassium-sodium niobate-based lead-free piezoelectric ceramic for piezoelectric atomization sheet and manufacturing process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20121214 |