CN102627455A - Copper yttrium sodium titanate based giant dielectric ceramic material and preparation method thereof - Google Patents
Copper yttrium sodium titanate based giant dielectric ceramic material and preparation method thereof Download PDFInfo
- Publication number
- CN102627455A CN102627455A CN2012101046893A CN201210104689A CN102627455A CN 102627455 A CN102627455 A CN 102627455A CN 2012101046893 A CN2012101046893 A CN 2012101046893A CN 201210104689 A CN201210104689 A CN 201210104689A CN 102627455 A CN102627455 A CN 102627455A
- Authority
- CN
- China
- Prior art keywords
- ceramic material
- ball
- dielectric ceramic
- hours
- sintering
- 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
Images
Landscapes
- Inorganic Insulating Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a copper yttrium sodium titanate based giant dielectric ceramic material, which has the material composition shown by a general formula of NaxYyCu3Ti4O12, wherein x represents mole number of Na atoms; y represents mole number of Y atoms; x is greater than or equal to 0.005 and is less than or equal to 0.35; and y is greater than or equal to 0.55 and is less than or equal to 2/3. The copper yttrium sodium titanate based giant dielectric ceramic material which has the advantages of low dielectric loss, high dielectric constant, high electric constant frequency stability, high practicability and easiness for production is prepared through processing steps such as proportioning, pre-burning, granulating, tabletting, adhesive removal, sintering and silver ink firing. The method is simple and has high repeatability and high yield. Experimental results show that the prepared ceramic material when x is 0.050 has the dielectric constant of 7,576 and the dielectric loss of 0.020 at 1KHz, the dielectric constant slightly changes within an extremely wide frequency range and meanwhile the dielectric loss is less than or equal to 0.05 within the extremely wide frequency range.
Description
Technical field
The invention belongs to the material technology field, be specifically related to huge dielectric ceramic material that is used for storer or capacitor element and preparation method thereof.
Background technology
Along with the high speed development of electronic information technology, integrated, the miniaturized of electron device, high speed have become the dominant direction of microelectronics development.Oxide material with high-k will play crucial effect for further reducing modern electro container and size of semiconductor device, and high dielectric constant material is mainly used in dynamic RAM (DRAM) and laminated ceramic capacitor (MLCC).DRAM and MLCC use (Ba more at present
xSr
1-x) TiO
3And Pb (Zr
xTi
1-x) O
3High dielectric constant material.But because these two kinds of materials exist some shortcomings and are seriously restricting further developing of electron device; For example: the two is all typical ferroelectrics (1); The transformation of ferroelectric phase to paraelectric phase takes place at the Tc place, thereby causes the specific inductivity temperature stability poor; (2) Pb (Zr
xTi
1-x) O
3Material is leaded, is unfavorable for environmental protection.In addition, under high dielectric constant material basis commonly used, with present electron device manufacture craft, through reducing dielectric thickness, storage density and electric capacity that the increase surface-area improves device can not satisfy the needs of people to electron device.So, seek have more high-k, good, the eco-friendly dielectric materials of specific inductivity temperature stability is necessary.
M.A.Subramanian in 2000 and his work group have reported the CaCu with huge dielectric constant
3Ti
4O
12(be called for short CCTO) material, this material is under the effect of 1KHz alternating-electric field, and specific inductivity can reach 12000, and is constant basically at 100K this numerical value in room temperature even the higher TR.At present still a lot of to the research of CCTO, mainly comprise two portions: (1) reduces the wastage through doping, replacement etc.; (2) research of huge dielectricity origin, the internal barriers effect is that the IBLC theory is extensively admitted at present, also exists some disputes simultaneously, such as the origin of the huge dielectric that can't explain monocrystal material.Although present work has reduced the dielectric loss of CCTO pottery to a great extent, reach practical application and also be nowhere near.
Summary of the invention
A technical problem to be solved by this invention is to provide the huge dielectric ceramic material of copper titanate yttrium sodium base that a kind of low-dielectric loss, high-k, electric constant frequency stability are good, practical, be easy to produce.
Another technical problem to be solved by this invention is to provide the preparation method of the huge dielectric ceramic material of a kind of copper titanate yttrium sodium base.
Solving the problems of the technologies described above the scheme that is adopted is: this huge dielectric ceramic material is used general formula Na
xY
yCu
3Ti
4O
12The material of expression is formed, and x representes the mole number of Na atom in the formula, and y representes the mole number of Y atom, 0.005≤x≤0.35,0.55≤y≤2/3.
The present invention uses general formula Na
xY
yCu
3Ti
4O
12The material of expression, x the best is 0.05 in the formula, y the best is 0.65.
The preparation method of the huge dielectric ceramic material of above-mentioned copper titanate yttrium sodium base is following:
1, batching
Press general formula Na
xY
yCu
3Ti
4O
12Stoichiometry take by weighing raw material Na respectively
2CO
3, Y
2O
3, CuO, TiO
2, mix, raw mix is packed in the nylon jar; Add dispersion agent absolute ethyl alcohol and ball-milling medium agate ball, the mass ratio of absolute ethyl alcohol and raw mix was 1: 1.2, with 401 rev/mins of ball millings of ball mill 6～12 hours; Separate agate ball; Raw mix is placed in the loft drier 80 ℃ of oven dry 5～10 hours, ground 30 minutes, cross 80 mesh sieves with mortar.
2, pre-burning
Raw mix behind mistake 80 mesh sieves is placed in the alumina crucible, and with the compacting of agate rod, making its compacted density is 1.5g/cm
3, add a cover, place the interior 930 ℃ of pre-burnings insulation of resistance furnace 10 hours, naturally cool to room temperature, come out of the stove.
3, secondary ball milling
Burning piece after the pre-burning is ground with agate mortar, in the nylon jar of packing into, add dispersion agent absolute ethyl alcohol and ball-milling medium agate ball; The mass ratio of absolute ethyl alcohol and raw mix is 1: 1.2; With 401 rev/mins of ball millings of ball mill 6～12 hours, separate agate ball, the powder after the pre-burning is placed in the loft drier 80 ℃ of oven dry 5～10 hours; Ground 10 minutes with mortar, cross 160 mesh sieves.
4, granulation
The adding massfraction is 5% polyvinyl alcohol water solution in the powder after crossing 160 mesh sieves, and the adding massfraction is polyvinyl alcohol water solution 0.4～0.5g of 5% in every gram powder, fully stirs; Seasoning; Use the mortar porphyrize, cross 120 mesh sieves, process spherical powder.
5, compressing tablet
Spherical powder after the granulation is put into the stainless steel mould that diameter is 15mm, it is pressed into the cylindric blank of 1.5mm with the pressure of 100MPa.
6, sintering
Cylindric blank is put on the zirconium white flat board, earlier risen to 500 ℃ with 380 minutes, be incubated 1 hour, be warming up to 1010～1060 ℃ with 2～5 ℃/minute again, sintering 25 hours is cooled to 800 ℃ with 2 ℃/minute, naturally cools to room temperature with stove.
7, silver ink firing
With the ceramic surface behind sintering polishing, it is thick to be polished to 0.5～0.6mm, with alcohol put on the skin wipe away clean; The lower surface coating thickness is the silver slurry of 0.01～0.03mm above that; Place 840 ℃ of insulations of resistance furnace 30 minutes, naturally cool to room temperature, be prepared into the huge dielectric ceramic material of copper titanate yttrium sodium base.
The inventive method is simple, good reproducibility, yield rate are high, and prepared ceramic dielectric loss is low, specific inductivity is high, the electric constant frequency stability is good, practical, be easy to produce.Experimental result shows; The value of x is that stupalith specific inductivity under 1KHz of preparation in 0.050 o'clock is 7576; Dielectric loss is 0.020; And specific inductivity changes very little in very wide range of frequency, simultaneously dielectric loss under very wide range of frequency≤0.05, much littler with the CCTO ceramic phase of having reported than its dielectric loss.
Description of drawings
Fig. 1 is different N a
+The XRD figure of the huge dielectric ceramic material of copper titanate yttrium sodium base of replacement amount.
Fig. 2 is different N a
+The specific inductivity of the huge dielectric ceramic material of copper titanate yttrium sodium base of replacement amount is with the variation relation figure of frequency.
Fig. 3 is different N a
+The dielectric loss of the huge dielectric ceramic material of copper titanate yttrium sodium base of replacement amount is with the variation relation figure of frequency.
Fig. 4 is different N a
+The low-frequency dielectric loss of the huge dielectric ceramic material of copper titanate yttrium sodium base of replacement amount is with the variation relation figure of frequency.
Fig. 5 is the Na of different sintering temperature preparations
0.05Y
0.65Cu
3Ti
4O
12The XRD figure of huge dielectric ceramic material.
Fig. 6 is the Na of different sintering temperature preparations
0.05Y
0.65Cu
3Ti
4O
12The specific inductivity of huge dielectric ceramic material is with the variation relation figure of frequency.
Fig. 7 is the Na of different sintering temperature preparations
0.05Y
0.65Cu
3Ti
4O
12The dielectric loss of huge dielectric ceramic material is with the variation relation figure of frequency.
Fig. 8 is the Na of different sintering temperature preparations
0.05Y
0.65Cu
3Ti
4O
12The low-frequency dielectric loss of huge dielectric ceramic material is with the variation relation figure of frequency.
Embodiment
To further explain of the present invention, but the invention is not restricted to these embodiment below in conjunction with accompanying drawing and embodiment.
Use general formula Na with preparation
xY
yCu
3Ti
4O
12The dielectric ceramic material of expression is an example, and x representes the mole number of Na atom in the formula, and y representes the mole number of Y atom, and the value of x is 0.05, the value of y is 0.65 o'clock, raw materials used and preparation method thereof as follows:
1, batching
Press Na
0.05Y
0.65Cu
3Ti
4O
12Stoichiometry take by weighing raw material Na respectively
2CO
30.1251g, Y
2O
33.4581g, CuO 11.3772g, TiO
215.0596g, mix, raw mix is packed in the nylon jar; Adding absolute ethyl alcohol was that dispersion agent and agate ball are ball-milling medium, and the mass ratio of absolute ethyl alcohol and raw material is 1: 1.2, with 401 rev/mins of ball millings of ball mill 10 hours; Separate agate ball; Raw mix is placed in the loft drier 80 ℃ of oven dry 10 hours, ground 30 minutes, cross 80 mesh sieves with mortar.
2, pre-burning
Raw mix behind mistake 80 mesh sieves is placed in the alumina crucible, and with the compacting of agate rod, making its compacted density is 1.5g/cm
3, add a cover, place the interior 930 ℃ of pre-burnings insulation of resistance furnace 10 hours, naturally cool to room temperature, come out of the stove.
3, secondary ball milling
Burning piece after the pre-burning is ground with agate mortar, in the nylon jar of packing into, add dispersion agent absolute ethyl alcohol and ball-milling medium agate ball; The mass ratio of absolute ethyl alcohol and raw mix is 1: 1.2; With 401 rev/mins of ball millings of ball mill 10 hours, separate agate ball, the powder after the pre-burning is placed in the loft drier 80 ℃ of oven dry 10 hours; Ground 10 minutes with mortar, cross 160 mesh sieves.
4, granulation
The adding massfraction is 5% polyvinyl alcohol water solution 5g in the 10g powder after crossing 160 mesh sieves, fully stirs, and the mortar porphyrize is used in seasoning, crosses 120 mesh sieves, processes spherical powder.
5, compressing tablet
Spherical powder after the granulation is put into the stainless steel mould that diameter is 15mm, it is pressed into the cylindric blank of 1.5mm with the pressure of 100MPa.
6, sintering
Cylindric blank is put on the zirconium white flat board, earlier risen to 500 ℃ with 380 minutes, be incubated 1 hour, be warming up to 1050 ℃ with 2 ℃/minute again, sintering 25 hours is cooled to 800 ℃ with 2 ℃/minute, naturally cools to room temperature with stove.
7, silver ink firing
With the ceramic surface behind sintering polishing, it is thick to be polished to 0.5～0.6mm, puts on the skin with alcohol and wipes away totally, and the lower surface coating thickness is the silver slurry of 0.01～0.03mm above that, places 840 ℃ of insulations of resistance furnace 30 minutes, naturally cools to room temperature, is prepared into Na
0.05Y
0.65Cu
3Ti
4O
12Huge dielectric ceramic material.
Embodiment 2
Use general formula Na with preparation
xY
yCu
3Ti
4O
12The dielectric ceramic material of expression is an example, and x representes the mole number of Na atom in the formula, and y representes the mole number of Y atom, and the value of x is 0.005, the value of y is 0.665 o'clock, raw materials used and preparation method thereof as follows:
In the batching step 1 of present embodiment, take by weighing raw material Na respectively
2CO
30.0125g, Y
2O
33.5418g, CuO11.3696g, TiO
215.0761g, mixing, other steps of this step are identical with embodiment 1.Other steps are identical with embodiment 1, are prepared into Na
0.005Y
0.665Cu
3Ti
4O
12Huge dielectric ceramic material.
Use general formula Na with preparation
xY
yCu
3Ti
4O
12The dielectric ceramic material of expression is an example, and x representes the mole number of Na atom in the formula, and y representes the mole number of Y atom, and the value of x is 0.02, the value of y is 0.66 o'clock, raw materials used and preparation method thereof as follows:
In the batching step 1 of present embodiment, take by weighing raw material Na respectively
2CO
30.0501g, Y
2O
33.5139g, CuO11.3655g, TiO
215.0706g, mixing, other steps of this step are identical with embodiment 1.Other steps are identical with embodiment 1, are prepared into Na
0.02Y
0.66Cu
3Ti
4O
12Huge dielectric ceramic material.
Use general formula Na with preparation
xY
yCu
3Ti
4O
12The dielectric ceramic material of expression is an example, and x representes the mole number of Na atom in the formula, and y representes the mole number of Y atom, and the value of x is 0.035, the value of y is 0.655 o'clock, raw materials used and preparation method thereof as follows:
In the batching step 1 of present embodiment, take by weighing raw material Na respectively
2CO
30.0876g, Y
2O
33.4860, CuO11.3613g, TiO
215.0651g, mixing, other steps of this step are identical with embodiment 1.Other steps are identical with embodiment 1, are prepared into Na
0.035Y
0.655Cu
3Ti
4O
12Huge dielectric ceramic material.
Embodiment 5
Use general formula Na with preparation
xY
yCu
3Ti
4O
12The dielectric ceramic material of expression is an example, and x representes the mole number of Na atom in the formula, and y representes the mole number of Y atom, and the value of x is 0.065, the value of y is 0.645 o'clock, raw materials used and preparation method thereof as follows:
In the batching step 1 of present embodiment, take by weighing raw material Na respectively
2CO
30.1626g, Y
2O
33.4303g, CuO11.3531g, TiO
215.0541, mixing, other steps of this step are identical with embodiment 1.Other steps are identical with embodiment 1, are prepared into Na
0.065Y
0.645Cu
3Ti
4O
12Huge dielectric ceramic material.
Embodiment 6
Use general formula Na with preparation
xY
yCu
3Ti
4O
12The dielectric ceramic material of expression is an example, and x representes the mole number of Na atom in the formula, and y representes the mole number of Y atom, and the value of x is 0.20, the value of y is 0.60 o'clock, raw materials used and preparation method thereof as follows:
In the batching step 1 of present embodiment, take by weighing raw material Na respectively
2CO
30.4986g, Y
2O
33.1805g, CuO11.3160g, TiO
215.0049g, mixing, other steps of this step are identical with embodiment 1.Other steps are identical with embodiment 1, are prepared into Na
0.20Y
0.60Cu
3Ti
4O
12Huge dielectric ceramic material.
Embodiment 7
Use general formula Na with preparation
xY
yCu
3Ti
4O
12The dielectric ceramic material of expression is an example, and x representes the mole number of Na atom in the formula, and y representes the mole number of Y atom, and the value of x is 0.35, the value of y is 0.55 o'clock, raw materials used and preparation method thereof as follows:
In the batching step 1 of present embodiment, take by weighing raw material Na respectively
2CO
30.8693g, Y
2O
32.9049, CuO11.2750g, TiO
214.9507g, mixing, other steps of this step are identical with embodiment 1.Other steps are identical with embodiment 1, are prepared into Na
0.35Y
0.55Cu
3Ti
4O
12Huge dielectric ceramic material.
Embodiment 8
In the sintering step 6 of embodiment 1～7, cylindric blank is put on the zirconium white flat board, rose to 500 ℃ with 380 minutes earlier; Be incubated 1 hour, be warming up to 1010 ℃ with 2 ℃/minute again, sintering 25 hours; Be cooled to 800 ℃ with 2 ℃/minute, naturally cool to room temperature with stove.Other steps are identical with corresponding embodiment.
Embodiment 9
In the sintering step 6 of embodiment 1～7, cylindric blank is put on the zirconium white flat board, rose to 500 ℃ with 380 minutes earlier; Be incubated 1 hour, be warming up to 1060 ℃ with 5 ℃/minute again, sintering 25 hours; Be cooled to 800 ℃ with 2 ℃/minute, naturally cool to room temperature with stove.
In order to confirm optimum process condition of the present invention, the contriver has carried out a large amount of laboratory study tests, and various test situation are following:
Testing tool: the accurate electric impedance analyzer of Agilient4294A type, produce by Anjelen Sci. & Tech. Inc; D/max-2200X type x ray diffractometer x is produced by Japan company of science.
1, Na
+The replacement amount is to Y
2/3Cu
3Ti
4O
12The influence of the huge dielectric ceramic material dielectric properties of base
Press Na respectively
0.005Y
0.665Cu
3Ti
4O
12, Na
0.02Y
0.66Cu
3Ti
4O
12, Na
0.035Y
0.655Cu
3Ti
4O
12, Na
0.05Y
0.65Cu
3Ti
4O
12, Na
0.065Y
0.645Cu
3Ti
4O
12, Na
0.20Y
0.60Cu
3Ti
4O
12, Na
0.35Y
0.55Cu
3Ti
4O
12Stoichiometry take by weighing raw material Na
2CO
3, Y
2O
3, CuO, TiO
2, other steps are identical with embodiment 1, are prepared into the huge dielectric ceramic material of copper titanate yttrium sodium base.Research different N a
+The replacement amount is to the ceramic dielectric Effect on Performance, and through the computes DIELECTRIC CONSTANTS
r:
ε
r＝4Ct/(πε
0d) (1)
In the formula, C is an electric capacity, and t is the thickness of ceramic plate, ε
0Be permittivity of vacuum (8.85 * 10
-12F/m), d is the diameter of ceramic plate.
Fig. 1 is different N a
+The XRD figure of the huge dielectric ceramic material of copper titanate yttrium sodium base of replacement amount.Visible by Fig. 1, when sintering temperature is 1050 ℃, prepared different N a
+The stupalith of replacement amount is pure perovskite-like phase.
Fig. 2～4 are different N a successively
+The specific inductivity of the huge dielectric ceramic material of copper titanate yttrium sodium base of replacement amount, dielectric loss, low-frequency dielectric loss are with the variation relation figure of frequency.Visible by figure, Na
+The replacement amount be 0.050 o'clock; The ceramic dielectric performance of preparation is best, and its specific inductivity is more than 7576 under the 1kHz, and dielectric loss is 0.020; And specific inductivity changes very little in very wide range of frequency, simultaneously dielectric loss under very wide range of frequency≤0.05.Much littler with the CCTO ceramic phase of having reported than its dielectric loss.
2, sintering temperature is to Na
0.05Y
0.65Cu
3Ti
4O
12The ceramic dielectric Effect on Performance
Press Na
0.05Y
0.65Cu
3Ti
4O
12Stoichiometry take by weighing raw material Na
2CO
3, Y
2O
3, CuO, TiO
2The research sintering temperature is 1010,1020,1030,1040,1050,1060 ℃ of Na to being prepared into
0.05Y
0.65Cu
3Ti
4O
12The influence of huge dielectric ceramic material dielectric properties, other preparation conditions are identical with embodiment 1.
Fig. 5 is the Na of different sintering temperature preparations
0.05Y
0.65Cu
3Ti
4O
12The XRD figure of huge dielectric ceramic material.Visible by Fig. 5, when sintering temperature was 1010～1050 ℃, the stupalith that is obtained was pure perovskite-like phase, when sintering temperature is 1060 ℃, had dephasign to separate out.
Fig. 6～8th, the Na of different sintering temperature preparations
0.05Y
0.65Cu
3Ti
4O
12The specific inductivity of huge dielectric ceramic material, dielectric loss, low-frequency dielectric loss are with the variation relation figure of frequency.Visible by figure, when sintering temperature is 1050 ℃, the Na of preparation
0.05Y
0.65Cu
3Ti
4O
12The dielectric properties of huge dielectric ceramic material are best, and its specific inductivity is 7576 under the 1KHz, and dielectric loss is 0.020, and specific inductivity in very wide range of frequency, changes very little, the while dielectric loss under very wide range of frequency≤0.05.Much littler with the CCTO ceramic phase of having reported than its dielectric loss.
The result of Comprehensive Experiment 1～2, the general formula Na of the huge dielectric ceramic material of copper titanate yttrium sodium base of the present invention
xY
yCu
3Ti
4O
12In, value the best of x is 0.05, and value the best of y is 0.65, and the sintering temperature the best for preparing this dielectric ceramic material is 1050 ℃.
Claims (4)
1. huge dielectric ceramic material of copper titanate yttrium sodium base, it is characterized in that: this stupalith is used general formula Na
xY
yCu
3Ti
4O
12The material of expression is formed, and x representes the mole number of Na atom in the formula, and y representes the mole number of Y atom, 0.005≤x≤0.35,0.55≤y≤2/3.
2. the huge dielectric ceramic material of copper titanate yttrium sodium base according to claim 1, it is characterized in that: the value of described x is 0.05, the value of y is 0.65.
3. the preparation method of the huge dielectric ceramic material of the described copper titanate yttrium of claim 1 sodium base is characterized in that it is made up of following step:
(1) batching
Press general formula Na
xY
yCu
3Ti
4O
12Stoichiometry take by weighing raw material Na respectively
2CO
3, Y
2O
3, CuO, TiO
2, mix, raw mix is packed in the nylon jar; Add dispersion agent absolute ethyl alcohol and ball-milling medium agate ball, the mass ratio of absolute ethyl alcohol and raw mix was 1: 1.2, with 401 rev/mins of ball millings of ball mill 6～12 hours; Separate agate ball; Raw mix is placed in the loft drier 80 ℃ of oven dry 5～10 hours, ground 30 minutes, cross 80 mesh sieves with mortar;
(2) pre-burning
Raw mix behind mistake 80 mesh sieves is placed in the alumina crucible, and with the compacting of agate rod, making its compacted density is 1.5g/cm
3, add a cover, place the interior 930 ℃ of pre-burnings insulation of resistance furnace 10 hours, naturally cool to room temperature, come out of the stove;
(3) secondary ball milling
Burning piece after the pre-burning is ground with agate mortar, in the nylon jar of packing into, add dispersion agent absolute ethyl alcohol and ball-milling medium agate ball; The mass ratio of absolute ethyl alcohol and raw mix is 1: 1.2; With 401 rev/mins of ball millings of ball mill 6～12 hours, separate agate ball, the powder after the pre-burning is placed in the loft drier 80 ℃ of oven dry 5～10 hours; Ground 10 minutes with mortar, cross 160 mesh sieves;
(4) granulation
The adding massfraction is 5% polyvinyl alcohol water solution in the powder after crossing 160 mesh sieves, and the adding massfraction is polyvinyl alcohol water solution 0.4～0.5g of 5% in every gram powder, fully stirs; Seasoning; Use the mortar porphyrize, cross 120 mesh sieves, process spherical powder;
(5) compressing tablet
Spherical powder after the granulation is put into the stainless steel mould that diameter is 15mm, it is pressed into the cylindric blank of 1.5mm with the pressure of 100MPa;
(6) sintering
Cylindric blank is put on the zirconium white flat board, earlier risen to 500 ℃ with 380 minutes, be incubated 1 hour, be warming up to 1010～1060 ℃ with 2～5 ℃/minute again, sintering 25 hours is cooled to 800 ℃ with 2 ℃/minute, naturally cools to room temperature with stove;
(7) silver ink firing
With the ceramic surface behind sintering polishing, it is thick to be polished to 0.5～0.6mm, with alcohol put on the skin wipe away clean; The lower surface coating thickness is the silver slurry of 0.01～0.03mm above that; Place 840 ℃ of insulations of resistance furnace 30 minutes, naturally cool to room temperature, be prepared into the huge dielectric ceramic material of copper titanate yttrium sodium base.
4. the preparation method of the huge dielectric ceramic material of copper titanate yttrium sodium base according to claim 3 is characterized in that: in the described sintering step (6), cylindric blank is put on the zirconium white flat board; Earlier rose to 500 ℃ with 380 minutes; Be incubated 1 hour, be warming up to 1050 ℃ with 2 ℃/minute again, sintering 25 hours; Be cooled to 800 ℃ with 2 ℃/minute, naturally cool to room temperature with stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210104689.3A CN102627455B (en) | 2012-04-11 | 2012-04-11 | Copper yttrium sodium titanate based giant dielectric ceramic material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210104689.3A CN102627455B (en) | 2012-04-11 | 2012-04-11 | Copper yttrium sodium titanate based giant dielectric ceramic material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102627455A true CN102627455A (en) | 2012-08-08 |
| CN102627455B CN102627455B (en) | 2014-12-10 |
Family
ID=46585884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210104689.3A Expired - Fee Related CN102627455B (en) | 2012-04-11 | 2012-04-11 | Copper yttrium sodium titanate based giant dielectric ceramic material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102627455B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000369A (en) * | 2012-12-11 | 2013-03-27 | 北京元六鸿远电子技术有限公司 | Method for preparing high voltage-resisting chip type ceramic capacitor |
| CN103253933A (en) * | 2013-05-09 | 2013-08-21 | 陕西师范大学 | Lithium replaced copper cadmium titanate gigantic dielectric ceramic material and preparation method thereof |
| CN103382111A (en) * | 2013-07-11 | 2013-11-06 | 中国科学院福建物质结构研究所 | NaxCu3NbyTi3O12 based giant dielectric ceramic material and preparation method thereof |
| CN116063067A (en) * | 2023-01-16 | 2023-05-05 | 南昌航空大学 | Multi-main-element giant dielectric ceramic material and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1975943A (en) * | 2006-12-20 | 2007-06-06 | 天津大学 | Doped copper titanium oxide capacitor ceramic dielectric and producing method thereof |
| CN102219508A (en) * | 2011-03-16 | 2011-10-19 | 陕西师范大学 | Lanthanum substituted titanate copper bismuth sodium giant dielectric ceramic material and preparation method thereof |
-
2012
- 2012-04-11 CN CN201210104689.3A patent/CN102627455B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1975943A (en) * | 2006-12-20 | 2007-06-06 | 天津大学 | Doped copper titanium oxide capacitor ceramic dielectric and producing method thereof |
| CN102219508A (en) * | 2011-03-16 | 2011-10-19 | 陕西师范大学 | Lanthanum substituted titanate copper bismuth sodium giant dielectric ceramic material and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 周小莉: "CaCu3Ti4O12和La2/3Cu3Ti4O12陶瓷的电导特性", 《上海交通大学学报》 * |
| 周小莉等: "不同A 位元素(La、Y、Ca)的ACu3Ti4O12陶瓷介电性能研究", 《浙江大学学报》 * |
| 徐洋等: "CaCu3 Ti4O12高介电材料的研究进展", 《材料导报》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000369A (en) * | 2012-12-11 | 2013-03-27 | 北京元六鸿远电子技术有限公司 | Method for preparing high voltage-resisting chip type ceramic capacitor |
| CN103000369B (en) * | 2012-12-11 | 2015-09-23 | 北京元六鸿远电子技术有限公司 | The preparation method of high withstand voltage chip ceramic capacitor |
| CN103253933A (en) * | 2013-05-09 | 2013-08-21 | 陕西师范大学 | Lithium replaced copper cadmium titanate gigantic dielectric ceramic material and preparation method thereof |
| CN103253933B (en) * | 2013-05-09 | 2015-03-25 | 陕西师范大学 | Lithium replaced copper cadmium titanate gigantic dielectric ceramic material and preparation method thereof |
| CN103382111A (en) * | 2013-07-11 | 2013-11-06 | 中国科学院福建物质结构研究所 | NaxCu3NbyTi3O12 based giant dielectric ceramic material and preparation method thereof |
| CN116063067A (en) * | 2023-01-16 | 2023-05-05 | 南昌航空大学 | Multi-main-element giant dielectric ceramic material and preparation method and application thereof |
| CN116063067B (en) * | 2023-01-16 | 2023-10-27 | 南昌航空大学 | Multi-main-element giant dielectric ceramic material and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102627455B (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102219508B (en) | Lanthanum substituted titanate copper bismuth sodium giant dielectric ceramic material and preparation method thereof | |
| CN102674832B (en) | Barium-titanate-base lead-free bismuth-containing relaxation ferroelectric ceramic material and preparation method thereof | |
| CN115991599B (en) | High-entropy perovskite oxide doped ceramic, preparation method and application thereof | |
| CN102627455B (en) | Copper yttrium sodium titanate based giant dielectric ceramic material and preparation method thereof | |
| CN111484325A (en) | Barium strontium titanate-based ceramic material and preparation method and application thereof | |
| CN106699166A (en) | Lithium-sodium codoped giant dielectric ceramic and preparation method thereof | |
| CN109265162A (en) | A kind of high-performance huge dielectric constant dielectric material | |
| CN111925187A (en) | Lead-free high-pressure medium-temperature sintered strontium bismuth titanium-based dielectric material and preparation method thereof | |
| CN111004030B (en) | MgTiO (magnesium-titanium-oxide) powder3Microwave-based dielectric ceramic and preparation method thereof | |
| CN109650875B (en) | Giant dielectric calcium copper titanate composite ceramic material and preparation method and application thereof | |
| CN100359612C (en) | Medium low temperature sintered high voltage ceramic capacitor medium | |
| CN101070245A (en) | Low dielectric comsumption CaCu3Ti4O12 ceramic preparing method | |
| CN103253933B (en) | Lithium replaced copper cadmium titanate gigantic dielectric ceramic material and preparation method thereof | |
| CN109279882A (en) | A kind of strontium silicate copper system media ceramic of temperature coefficient adjustable and its preparation method and application | |
| CN102568821B (en) | High-voltage ceramic capacitor dielectric with high dielectric constant | |
| CN116813335B (en) | Bismuth sodium titanate based relaxation ferroelectric ceramic material with wide temperature range and high electric clamping effect, and preparation method and application thereof | |
| CN113620702A (en) | Yb (Yb)3+Doped giant dielectric constant low-loss ceramic and preparation method thereof | |
| CN106007707B (en) | Mg-Nb doped bismuth titanate microwave-medium ceramics and preparation method thereof | |
| CN104692800A (en) | Temperature-stable lead-free giant dielectric constant ceramic material | |
| CN112408977A (en) | High-quality ceramic dielectric material and preparation method thereof | |
| CN107500756A (en) | A kind of high-k low-loss SrTiO3Based dielectric material and preparation method thereof | |
| Fang et al. | High dielectric constant and low-loss dielectric ceramics of Ba5LnZnNb9O30 (Ln= La, Nd and Sm) | |
| CN108689703A (en) | A kind of Lead-free ferroelectric ceramics material and preparation method thereof for adjusting characteristic with huge dielectric constant and electricity | |
| CN102491745A (en) | Ferroelectric/non-ferroelectric composite columnar ceramic material and preparing method thereof | |
| CN107867848A (en) | BaTi4O9/BaZn2Ti4O11Multi-phase microwave dielectric ceramic and preparation method thereof |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20170411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |