CN109678495B - BaTiO3-Sr2CoMoO6Magnetoelectric composite ceramic and preparation method thereof - Google Patents
BaTiO3-Sr2CoMoO6Magnetoelectric composite ceramic and preparation method thereof Download PDFInfo
- Publication number
- CN109678495B CN109678495B CN201910034490.XA CN201910034490A CN109678495B CN 109678495 B CN109678495 B CN 109678495B CN 201910034490 A CN201910034490 A CN 201910034490A CN 109678495 B CN109678495 B CN 109678495B
- Authority
- CN
- China
- Prior art keywords
- comoo
- batio
- preparation
- powder
- composite ceramic
- 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.)
- Active
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 239000000919 ceramic Substances 0.000 title claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 29
- 229910002113 barium titanate Inorganic materials 0.000 claims abstract description 22
- 238000007873 sieving Methods 0.000 claims abstract description 22
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 19
- 238000000498 ball milling Methods 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 17
- 239000011812 mixed powder Substances 0.000 claims abstract description 11
- UPWOEMHINGJHOB-UHFFFAOYSA-N oxo(oxocobaltiooxy)cobalt Chemical compound O=[Co]O[Co]=O UPWOEMHINGJHOB-UHFFFAOYSA-N 0.000 claims abstract description 11
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Inorganic materials O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims abstract description 6
- LEDMRZGFZIAGGB-UHFFFAOYSA-L strontium carbonate Chemical compound [Sr+2].[O-]C([O-])=O LEDMRZGFZIAGGB-UHFFFAOYSA-L 0.000 claims abstract description 6
- 229910000018 strontium carbonate Inorganic materials 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract 3
- 238000000227 grinding Methods 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 11
- 238000005245 sintering Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 3
- 239000003960 organic solvent Substances 0.000 claims 2
- 238000009694 cold isostatic pressing Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000000748 compression moulding Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 1
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Inorganic materials [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 abstract description 5
- 230000005291 magnetic effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000005307 ferromagnetism Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005290 antiferromagnetic effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—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
- C04B35/46—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 titanium oxides or titanates
- C04B35/462—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 titanium oxides or titanates based on titanates
- C04B35/465—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3213—Strontium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3256—Molybdenum oxides, molybdates or oxide forming salts thereof, e.g. cadmium molybdate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6565—Cooling rate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses BaTiO3‑Sr2CoMoO6Magnetoelectric composite ceramic. The preparation method of the ceramic comprises the following steps: taking analytically pure BaCO3And TiO 22Ball milling, drying, sieving, briquetting, presintering and crushing after preparation to obtain BaTiO3Powder; taking analytically pure SrCO3,Co2O3,MoO3Ball-milling, drying, sieving, briquetting, presintering and crushing after preparation to obtain Sr2CoMoO6And (3) powder. Mixing BaTiO3And Sr2CoMoO6And mixing uniformly to obtain mixed powder. The mixed powder is pressed and molded according to the requirement, and is sintered at the temperature of 1250-1290 ℃ to prepare the magnetoelectric composite ceramic material, and the prepared composite ceramic material has higher dielectric constant and better magneto-dielectric coefficient.
Description
Technical Field
The invention belongs to the field of material science, and particularly relates to a preparation method of BaTiO3-Sr2CoMoO6 magnetoelectric composite ceramic.
Background
The multiferroic material has important scientific research significance and wide application prospect, comprises a plurality of scientific problems of ferromagnetism, ferroelectrics, ferroelasticity and the like, and relates to transition group metal oxides, ABO3A strongly associated system of perovskite structure, a ferromagnetic functional body having ferromagnetism, and the like, the spin in the material havingThe multi-scale problems of order, charge order, orbit order, quantum regulation, domain engineering and the like are also very important. The multiferroic material not only has various single ferrosof, but also can generate new functions through cooperative coupling among the ferrosof, so that the effect of adding one to more than two is realized, the application range of the multiferroic material is greatly expanded, and the ferroelectric-ferromagnetic composite material has wide application value in the fields of phase shifters, spin valves, multi-state memory elements, circuit measurement of high-voltage transmission lines, energy conversion systems, wide-band magnetic detection, alternating current and direct current magnetic field sensors, information storage and the like, so that the research of the ferroelectric-ferromagnetic composite material is more and more aroused by researchers at home and abroad. Among the many lead-free piezoelectric materials, BaTiO3Is an important ferroelectric and piezoelectric ceramic material and has excellent ferroelectric and piezoelectric properties. Compared with other materials which have the problems of high sintering temperature, narrow sintering temperature zone and the like in the aspect of sample preparation, BaTiO3The preparation process of the material is relatively simple. Sr of double perovskite structure2CoMoO6The magnetic phase in the magnetoelectric composite material has not been studied, and the researchers found out through the first principle calculation that BaTiO3/Sr2CoMoO6In the heterojunction of (B), BaTiO3The presence of which changes Sr2CoMoO6Orbital occupancy of the 3d orbital of the medium Co atom, thereby allowing Sr2CoMoO6From an antiferromagnetic state to a semi-metallic state. BaTiO is currently being addressed3/Sr2CoMoO6The preparation of composite ceramics is not described in the literature at home and abroad.
Disclosure of Invention
The invention aims to provide BaTiO with stable process and good magnetoelectric performance3/Sr2CoMoO6Preparation method of composite magnetoelectric ceramic and BaTiO obtained by preparation method3/Sr2CoMoO6The composite ceramic has high dielectric constant and good magnetic dielectric coefficient.
The invention provides BaTiO3-Sr2CoMoO6The magnetoelectric composite ceramic material and the preparation method thereof are characterized by comprising the following steps:
the method comprises the following steps: firstly, according to the chemical formula BaTiO3Taking analytically pure BaCO3And TiO 22Ball milling for 6 hours after preparation, then drying, sieving, briquetting, presintering for 3 hours at 1150 ℃, crushing the obtained blocky sample, and sieving by a 120-mesh sieve to obtain BaTiO3Powder;
step two: secondly, according to the chemical formula Sr2CoMoO6Taking analytically pure SrCO3,Co2O3,MoO3Ball milling for 6 hours after preparation, then drying, grinding, briquetting, presintering for 3 hours at 750 ℃, crushing the obtained block sample, then carrying out secondary ball milling, then drying, grinding, briquetting, presintering for 3 hours at 850 ℃, crushing the obtained block sample, grinding, briquetting, finally preserving heat for 10 hours at 1250 ℃, crushing the obtained block sample, and then sieving by a 120-mesh sieve to obtain Sr2CoMoO6And (3) powder.
Step three: according to (1-x）BaTiO3-xSr2CoMoO6In a molar ratio of BaTiO3Powder and Sr2CoMoO6The powder is evenly mixed to obtain mixed powder,x≤0.20；
step four: sieving the obtained mixed powder with a 120-mesh sieve, pressing into small flaky blocks, and sintering to obtain BaTiO3-Sr2CoMoO6Magnetoelectric composite ceramic.
BaTiO in the invention3-Sr2CoMoO6The sintering temperature of the magnetoelectric composite ceramic material is 1250-1290 ℃. The heat preservation time is 2-5 hours.
BaTiO in the invention3-Sr2CoMoO6The magnetoelectric composite ceramic material has higher dielectric constant and better magnetic dielectric property.
Drawings
FIG. 1 BaTiO3X-ray diffraction pattern of the powder.
FIG. 2 Sr2CoMoO6X-ray diffraction pattern of the powder.
FIG. 3 (1-x）BaTiO3-xSr2CoMoO6Magnetoelectric composite ceramic material dielectricConstant and dielectric loss versus frequency.
FIG. 40.90 BaTiO3-0.10Sr2CoMoO6A magnetic-dielectric diagram of the magnetoelectric composite ceramic material.
FIG. 50.85 BaTiO3-0.15Sr2CoMoO6A magnetic-dielectric diagram of the magnetoelectric composite ceramic material.
FIG. 60.80 BaTiO3-0.20Sr2CoMoO6A magnetic-dielectric diagram of the magnetoelectric composite ceramic material.
Detailed Description
The invention will now be further described with reference to the following examples and drawings:
EXAMPLE 1
1) Firstly, according to the chemical formula BaTiO3Taking analytically pure BaCO3And TiO 22Ball milling for 6 hours after preparation, then drying, sieving, briquetting, presintering for 3 hours at 1150 ℃, crushing the obtained blocky sample, and sieving by a 120-mesh sieve to obtain BaTiO3Powder;
2) secondly, according to the chemical formula Sr2CoMoO6Taking analytically pure SrCO3,Co2O3,MoO3Ball milling for 6 hours after preparation, then drying, grinding, briquetting, presintering for 3 hours at 750 ℃, crushing the obtained block sample, then carrying out secondary ball milling, then drying, grinding, briquetting, presintering for 3 hours at 850 ℃, crushing the obtained block sample, grinding, briquetting, finally preserving heat for 10 hours at 1250 ℃, crushing the obtained block sample, and then sieving by a 120-mesh sieve to obtain Sr2CoMoO6And (3) powder.
3) According to 0.90BaTiO3-0.10Sr2CoMoO6In a molar ratio of BaTiO3Powder and Sr2CoMoO6The powder is mixed and ball milled for 6 hours to obtain uniform mixed powder.
4) Sieving the obtained mixed powder with 120 mesh sieve, pressing into small flaky blocks, heating to 1270 deg.C at a temperature rising rate of 5 deg.C/min for three hours, and cooling to 500 deg.C at a temperature falling rate of 5 deg.C/min to obtain 0.90BaTiO3-0.10Sr2CoMoO6Magnetoelectric composite ceramic.
EXAMPLE 2
1) Firstly, according to the chemical formula BaTiO3Taking analytically pure BaCO3And TiO 22Ball milling for 6 hours after preparation, then drying, sieving, briquetting, presintering for 3 hours at 1150 ℃, crushing the obtained blocky sample, and sieving by a 120-mesh sieve to obtain BaTiO3Powder;
2) secondly, according to the chemical formula Sr2CoMoO6Taking analytically pure SrCO3,Co2O3,MoO3Ball milling for 6 hours after preparation, then drying, grinding, briquetting, presintering for 3 hours at 750 ℃, crushing the obtained block sample, then carrying out secondary ball milling, then drying, grinding, briquetting, presintering for 3 hours at 850 ℃, crushing the obtained block sample, grinding, briquetting, finally preserving heat for 10 hours at 1250 ℃, crushing the obtained block sample, and then sieving by a 120-mesh sieve to obtain Sr2CoMoO6And (3) powder.
3) According to 0.85BaTiO3-0.15Sr2CoMoO6In a molar ratio of BaTiO3Powder and Sr2CoMoO6The powder is mixed and ball milled for 6 hours to obtain uniform mixed powder.
4) Sieving the obtained mixed powder with 120 mesh sieve, pressing into small flaky blocks, heating to 1280 deg.C at a temperature rise rate of 5 deg.C/min for three hours, and cooling to 500 deg.C at a temperature drop rate of 5 deg.C/min to obtain 0.85BaTiO3-0.15Sr2CoMoO6Magnetoelectric composite ceramic.
EXAMPLE 3
1) Firstly, according to the chemical formula BaTiO3Taking analytically pure BaCO3And TiO 22Ball milling for 6 hours after preparation, then drying, sieving, briquetting, presintering for 3 hours at 1150 ℃, crushing the obtained blocky sample, and sieving by a 120-mesh sieve to obtain BaTiO3Powder;
2) secondly, according to the chemical formula Sr2CoMoO6Taking analytically pure SrCO3,Co2O3,MoO3Ball milling for 6 hours after preparation, then drying, grinding, briquetting, presintering for 3 hours at 750 ℃, crushing the obtained block sample, then carrying out secondary ball milling, then drying, grinding and pressingBlocking, presintering for 3 hours at 850 ℃, crushing the obtained block sample, grinding, blocking, preserving heat for 10 hours at 1250 ℃, crushing the obtained block sample, and sieving by a 120-mesh sieve to obtain Sr2CoMoO6And (3) powder.
3) According to 0.80BaTiO3-0.20Sr2CoMoO6In a molar ratio of BaTiO3Powder and Sr2CoMoO6The powder is mixed and ball milled for 6 hours to obtain uniform mixed powder.
4) Sieving the obtained mixed powder with 120 mesh sieve, pressing into small flaky blocks, heating to 1290 deg.C at a temperature rise rate of 5 deg.C/min, maintaining for three hours, and cooling to 500 deg.C at a temperature drop rate of 5 deg.C/min to obtain 0.95BaTiO3-0.05Sr2CoMoO6Magnetoelectric composite ceramic.
As can be seen from FIG. 1 and FIG. 2, synthetic BaTiO3And Sr2CoMoO6The powder is relatively pure. From the sweep spectrum of FIG. 3 we can see that with Sr2CoMoO6The dielectric constant of the sample gradually increases with the increase of the added content, and the dielectric loss is also along with Sr2CoMoO6The increase in the content of the additive increases. FIG. 4 FIG. 5 FIG. 6 are Sr2CoMoO6Adding the magnetic dielectric patterns of the samples with the content of 0.10,0.15 and 0.20, wherein the magnetic dielectric coefficients of all the samples are gradually increased along with the increase of the magnetic field intensity.
Claims (9)
1. BaTiO3-Sr2CoMoO6The magnetoelectric composite ceramic material is characterized in that the chemical formula is (1-x）BaTiO3-xSr2CoMoO6，0.10≤x≤0.15。
2. A BaTiO compound according to claim 13-Sr2CoMoO6The preparation method of the magnetoelectric composite ceramic material is characterized by comprising the following steps:
according to (1-x）BaTiO3-xSr2CoMoO6、0.10≤x≤0.15 mol ratio of BaTiO3Powder and Sr2CoMoO6Mixing the powder evenly to obtain mixed powder, sieving, pressing and molding, and sintering to obtain BaTiO3-Sr2CoMoO6Magnetoelectric composite ceramic.
3. BaTiO according to claim 23-Sr2CoMoO6The preparation method of the magnetoelectric composite ceramic material is characterized in that BaTiO is added3Powder and Sr2CoMoO6Ball milling the powder in sufficient organic solvent for 12-24 hr.
4. BaTiO according to claim 33-Sr2CoMoO6The preparation method of the magnetoelectric composite ceramic material is characterized in that the organic solvent is absolute alcohol or industrial alcohol.
5. BaTiO according to claim 23-Sr2CoMoO6The preparation method of the magnetoelectric composite ceramic material is characterized in that the mesh number of the sieve used for sieving is 120 meshes.
6. BaTiO according to claim 23-Sr2CoMoO6The preparation method of the magnetoelectric composite ceramic material is characterized in that the compression molding adopts a cold isostatic pressing process, and the applied pressure is 120MPa-200 MPa.
7. BaTiO according to claim 23-Sr2CoMoO6The preparation method of the magnetoelectric composite ceramic material is characterized in that the sintering temperature is 1250-; the heat preservation time is 2-5 hours.
8. BaTiO according to claim 23-Sr2CoMoO6The preparation method of the magnetoelectric composite ceramic material is characterized in that the BaTiO3The powder is obtained by a method comprising the following steps: taking analytically pure BaCO according to the chemical formula3、TiO2Fully ball-milling after preparation, then drying, sieving, briquetting, presintering for 3 hours at 1150 ℃, crushing the obtained massive sample and sieving to obtain powder.
9. BaTiO according to claim 23-Sr2CoMoO6The preparation method of the magnetoelectric composite ceramic material is characterized in that the Sr is2CoMoO6The powder is obtained by a method comprising the following steps: according to the chemical formula Sr2CoMoO6Taking analytically pure SrCO3、Co2O3And MoO3Fully ball-milling after preparation, then drying, grinding, briquetting, and presintering for 3 hours at 750 ℃; crushing the obtained block sample, performing secondary ball milling, drying, grinding, briquetting, and presintering for 3 hours at 850 ℃; crushing the obtained block sample, grinding, briquetting, and finally preserving heat for 10 hours at 1250 ℃; finally, the obtained block sample is crushed and sieved to obtain Sr2CoMoO6And (3) powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034490.XA CN109678495B (en) | 2019-01-15 | 2019-01-15 | BaTiO3-Sr2CoMoO6Magnetoelectric composite ceramic and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034490.XA CN109678495B (en) | 2019-01-15 | 2019-01-15 | BaTiO3-Sr2CoMoO6Magnetoelectric composite ceramic and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109678495A CN109678495A (en) | 2019-04-26 |
| CN109678495B true CN109678495B (en) | 2021-09-07 |
Family
ID=66193112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910034490.XA Active CN109678495B (en) | 2019-01-15 | 2019-01-15 | BaTiO3-Sr2CoMoO6Magnetoelectric composite ceramic and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109678495B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257052A (en) * | 1998-07-29 | 2000-06-21 | Tdk株式会社 | Dielectric ceramic composition and electronic elements thereof |
| EP1612817A2 (en) * | 2004-06-29 | 2006-01-04 | TDK Corporation | Multilayer ceramic capacitor |
| CN101747030A (en) * | 2009-12-25 | 2010-06-23 | 陕西科技大学 | Magneto-electricity composite material with huge dielectric constant and high magnetic conductivity and preparation method thereof |
| CN102633501A (en) * | 2012-04-25 | 2012-08-15 | 陕西科技大学 | Hexagonal barium titanate base magnetoelectric composite material and preparation method thereof |
| CN102850051A (en) * | 2012-09-24 | 2013-01-02 | 陕西科技大学 | YFeO3 base bi-phase magnetoelectricity composite material and preparation method thereof |
| CN106565233A (en) * | 2016-10-25 | 2017-04-19 | 陕西科技大学 | High-dielectric-constant and low-loss girdled hysteresis loop multiferroic composite ceramic and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1377670A1 (en) * | 2001-04-09 | 2004-01-07 | Max-Planck-Gesellschaft Zur Förderung Der Wissenschaften E.V. | Transgenic plants with reduced adenylate kinase activity showing an increased accumulation of starch |
| WO2007026509A1 (en) * | 2005-08-29 | 2007-03-08 | Sharp Kabushiki Kaisha | Variable resistance element and method for producing same |
| US7867932B2 (en) * | 2007-08-28 | 2011-01-11 | Corning Incorporated | Refractory glass ceramics |
| US9777207B2 (en) * | 2013-01-29 | 2017-10-03 | Halliburton Energy Services, Inc. | Wellbore fluids comprising mineral particles and methods relating thereto |
| CN103193279A (en) * | 2013-04-12 | 2013-07-10 | 吉林大学 | Method for preparing high electric magnetic resistance material strontium cobalt molybdenum oxide |
-
2019
- 2019-01-15 CN CN201910034490.XA patent/CN109678495B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257052A (en) * | 1998-07-29 | 2000-06-21 | Tdk株式会社 | Dielectric ceramic composition and electronic elements thereof |
| EP1612817A2 (en) * | 2004-06-29 | 2006-01-04 | TDK Corporation | Multilayer ceramic capacitor |
| CN101747030A (en) * | 2009-12-25 | 2010-06-23 | 陕西科技大学 | Magneto-electricity composite material with huge dielectric constant and high magnetic conductivity and preparation method thereof |
| CN102633501A (en) * | 2012-04-25 | 2012-08-15 | 陕西科技大学 | Hexagonal barium titanate base magnetoelectric composite material and preparation method thereof |
| CN102850051A (en) * | 2012-09-24 | 2013-01-02 | 陕西科技大学 | YFeO3 base bi-phase magnetoelectricity composite material and preparation method thereof |
| CN106565233A (en) * | 2016-10-25 | 2017-04-19 | 陕西科技大学 | High-dielectric-constant and low-loss girdled hysteresis loop multiferroic composite ceramic and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| Chang Liu.Multiple magnetoelectric coupling effect in BaTiO3/Sr2CoMoO6 heterostructures.《SCIENTIFIC REPORTS》.2017, * |
| Dielectric, multiferroic and magnetodielectric properties of (1-x)BaTiO3-xSr2CoMoO6 solid solution;Li,Jingwei;《CERAMICS INTERNATIONAL》;20190516;第16353-16360页 * |
| Multiple magnetoelectric coupling effect in BaTiO3/Sr2CoMoO6 heterostructures;Chang Liu;《SCIENTIFIC REPORTS》;20170630;摘要 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109678495A (en) | 2019-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104004988B (en) | A kind of lanthanum strontium manganese oxygen-nickel oxide nano composite film material and preparation method thereof | |
| CN113004032B (en) | Linear-like high-energy-storage high-efficiency lead-free relaxation ceramic and preparation method thereof | |
| Kanamadi et al. | Dielectric and magnetic properties of (x) CoFe2O4+(1− x) Ba0. 8Sr0. 2TiO3 magnetoelectric composites | |
| CN111320468B (en) | Preparation method of doped bismuth ferrite-barium titanate lead-free piezoelectric ceramic material | |
| Raghavender et al. | Effects of Mn doping on structural and magnetic properties of multiferroic BiFeO 3 nanograins made by sol-gel method | |
| CN109180181A (en) | A kind of unleaded relaxation antiferroelectric ceramics energy storage material and preparation method thereof | |
| Xu et al. | Effect of sintering temperature on structure and nonlinear dielectric properties of Ba0. 6Sr0. 4TiO3 ceramics prepared by the citrate method | |
| CN105777112B (en) | A kind of Ti is applied acceptor and is co-doped with SrTiO3Base high dielectric ceramic and preparation method thereof | |
| CN109694248A (en) | High-electric-strength lead-free energy storage dielectric ceramic material and preparation method thereof | |
| CN101255053A (en) | High-temperature single-phase ferromagnetic-ferroelectric multiferroics ceramic material and preparation method thereof | |
| CN107244912B (en) | Novel BCZT-based energy storage ceramic material and preparation method and application thereof | |
| CN113045307B (en) | High-dielectric low-loss barium titanate-based ceramic and preparation method thereof | |
| CN102850051B (en) | YFeO3 base bi-phase magnetoelectricity composite material and preparation method thereof | |
| CN109678495B (en) | BaTiO3-Sr2CoMoO6Magnetoelectric composite ceramic and preparation method thereof | |
| CN100534949C (en) | Yttrium niobate solid-phase reaction synthetic sintering method capable of being used for microwave dielectric ceramic | |
| CN107840659B (en) | Tungsten bronze pure-phase room-temperature multiferroic ceramic and preparation method thereof | |
| CN109111222B (en) | Co-doped multiferroic ceramic with Olivies structure and preparation method thereof | |
| CN108793993B (en) | Single-phase ceramic target material and preparation method and application thereof | |
| CN101173167A (en) | Method for producing thermochromism variable emissivity lanthanum manganic acid material | |
| CN111004030A (en) | MgTiO (magnesium-titanium-oxide) powder3Microwave-based dielectric ceramic and preparation method thereof | |
| Qi et al. | Investigation of magnetic properties of Ni0. 2Cu0. 2Zn0. 6Fe1. 96O4–BaTiO3 composites | |
| CN106431389B (en) | A kind of CaCu3Ti4O12Preparation method | |
| CN113233890A (en) | High-electrocaloric-effect sodium bismuth titanate-based ceramic material, preparation method, application and ceramic | |
| CN103708826A (en) | Low dielectric-loss barium strontium titanate pyroelectric ceramic and preparation method thereof | |
| CN108911740B (en) | Ferrotitanium strontium bismuth cobaltate ceramic material with multiferroic performance and five-layer layered structure and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240226 Address after: 518000 1002, Building A, Zhiyun Industrial Park, No. 13, Huaxing Road, Henglang Community, Longhua District, Shenzhen, Guangdong Province Patentee after: Shenzhen Wanzhida Technology Co.,Ltd. Country or region after: China Address before: 710021 Shaanxi province Xi'an Weiyang university campus of Shaanxi University of Science and Technology Patentee before: SHAANXI University OF SCIENCE & TECHNOLOGY Country or region before: China |