CN110240476A - A kind of novel ferrite ceramic material and preparation method thereof - Google Patents
A kind of novel ferrite ceramic material and preparation method thereof Download PDFInfo
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- CN110240476A CN110240476A CN201910563570.4A CN201910563570A CN110240476A CN 110240476 A CN110240476 A CN 110240476A CN 201910563570 A CN201910563570 A CN 201910563570A CN 110240476 A CN110240476 A CN 110240476A
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- 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
- C04B35/26—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 ferrites
- C04B35/2683—Other ferrites containing alkaline earth metals or lead
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- 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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/442—Carbonates
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- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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Abstract
A kind of novel ferrite ceramic material disclosed by the invention, chemical formula are as follows: Sr2Fe8O18.The preparation method of above-mentioned novel ferrite ceramic material, including following preparation step: 1) purity is greater than to 99.9% chemical raw material SrCO3、Fe2O3Sr is pressed respectively2Fe8O18Chemical formula weighs ingredient；2) above-mentioned configured chemical raw material is mixed, is put into ball grinder, agate ball is added and deionized water, ball milling dry the raw material after ball milling in infrared drying oven, is sieved；3) powder after drying sieving, then disk is pressed into powder compressing machine；4) disk is sintered 2~6 hours in 1180~1240 DEG C.Up to novel ferrite ceramic material.Material prepared by the present invention has stratiform Lacking oxygen structure feature, and has excellent ionic conducting property.
Description
Technical field
The present invention relates to electronic information material and component technical field, more particularly to a kind of novel ferrite
Ceramic material and preparation method thereof.
Background technique
Stratiform Lacking oxygen ferrite is in terms of photocatalysis, solid state battery, storage device and magnetism with wide before
Scape.Due to special crystal structure, numerous studies concentrate on the characterization to its Lacking oxygen crystal structure.Stratiform Lacking oxygen ferrite
Chemical general formula are as follows: AFexOy, wherein A cations are mostly divalent metal.Fe forms FeO generally according to structure6, FeO5Or FeO4
Polyhedron, and A cations are present between polyhedron.A cations and Fe ion ratio in stratiform Lacking oxygen ferrite
Variation can change crystal structure, and lead to the significant difference of electrical property, and making it in fields such as sensing, the energy, there are various applications
Potentiality.
More stratiform Lacking oxygen ferrite is reported at present, and the A cationic atomic ratios with Fe ion are 1:1.For
A possibility that exploration is more and superior electrical property are guidance with correlation theories such as solid-state physics, design novel crystal knot
Structure, changing cation atom ratio is one of effective way.
The present invention is prepared for a kind of novel lamellar Lacking oxygen ferrite ceramic material Sr using solid phase method2Fe8O18, Sr:
Fe is 1:4, has stratiform Lacking oxygen structure feature, and have biggish ionic conductivity, has no relevant report both at home and abroad.
Summary of the invention
In view of this, the present invention provides a kind of novel ferrite ceramic material and preparation method thereof, the ceramic material from
Subconductivity is had excellent performance.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of novel ferrite ceramic material disclosed by the invention, chemical formula are as follows: Sr2Fe8O18。
The preparation method of above-mentioned novel ferrite ceramic material, including following preparation step:
1) purity is greater than to 99.9% chemical raw material SrCO3、Fe2O3Sr is pressed respectively2Fe8O18Chemical formula weighs ingredient.
2) above-mentioned configured chemical raw material is mixed, is put into ball grinder, agate ball and deionized water, ball milling is added
21-24h dries the raw material after ball milling in infrared drying oven, sieving；
3) powder after drying sieving, then with powder compressing machine to be pressed into disk；
4) disk is sintered 2~6 hours in 1180~1240 DEG C.Up to novel ferrite ceramic material.
It can be seen via above technical scheme that compared with prior art, the present invention has the beneficial effect that:
Sr prepared by the present invention2Fe8O18Ferrite ceramic material is at 1KHz, and dielectric constant is 28~34, dielectric loss
It is 0.04~0.09, ionic conductivity are as follows: 1.1045~1.5898 × 10-3S/cm.The material has biggish ionic conductivity,
It can be widely applied to field of batteries.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
The present invention is greater than 99.9% chemical raw material SrCO using purity3、Fe2O3Prepare Sr2Fe8O18Ferrite ceramics material
Material.
Specific embodiment is as follows:
1) by SrCO3、Fe2O3Ingredient is weighed by Zn:Fe molar ratio 1:4 respectively, is added raw materials into after mixing in nylon tank,
Ball milling 21h；Raw material after ball milling is placed in infrared drying oven and dries sieving；
2) it is pressed into the cylinder of Φ 10mm × 5mm with the pressure of 4MPa with powder compressing machine again；
3) cylinder is sintered 2 hours in 1180 DEG C to get Sr2Fe8O18Ferrite ceramic material.
Embodiment 2
The present invention is greater than 99.9% chemical raw material SrCO using purity3、Fe2O3Prepare Sr2Fe8O18Ferrite ceramics material
Material.
Specific embodiment is as follows:
1) by SrCO3、Fe2O3Ingredient is weighed by Zn:Fe molar ratio 1:4 respectively, is added raw materials into after mixing in nylon tank,
Ball milling is for 24 hours；Raw material after ball milling is placed in infrared drying oven and dries sieving；
2) it is pressed into the cylinder of Φ 12mm × 1mm with the pressure of 8MPa with powder compressing machine again；
3) by cylinder in 1180 DEG C of sintering 2h to get Sr2Fe8O18Ferrite ceramic material.
Embodiment 3
The present invention is greater than 99.9% chemical raw material SrCO using purity3、Fe2O3Prepare Sr2Fe8O18Ferrite ceramics material
Material.
Specific embodiment is as follows:
1) by SrCO3、Fe2O3Ingredient is weighed by Zn:Fe molar ratio 1:4 respectively, is added raw materials into after mixing in nylon tank,
Ball milling is for 24 hours；Raw material after ball milling is placed in infrared drying oven and dries sieving；
2) it is pressed into the cylinder of Φ 10mm × 5mm with the pressure of 2MPa with powder compressing machine again；
3) by cylinder in 1200 DEG C of sintering 2h to get Sr2Fe8O18Ferrite ceramic material.
Embodiment 4-7
Applicant is subject to the technical solution of embodiment 3, changes Ball-milling Time therein, sintering temperature, sintering time etc.
Parameter, to prepare Sr2Fe8O18Ferrite ceramic material, design parameter is referring to table 1.
Further, the material that applicant prepares embodiment 1-7 with 4294 impedance analyzers test its dielectric properties with
And its ionic conductivity is tested with CHI660E electrochemical workstation, as a result referring to table 1.
Table 1
It is known that Sr prepared by the present invention from table 12Fe8O18Ferrite ceramic material has lower dielectric loss,
Biggish ionic conductivity.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (4)
1. a kind of novel ferrite ceramic material, which is characterized in that its chemical formula are as follows: Sr2Fe8O18。
2. a kind of preparation method of novel ferrite ceramic material as described in claim 1, which is characterized in that including following system
Standby step:
1) by chemical raw material SrCO3、Fe2O3Sr is pressed respectively2Fe8O18Chemical formula weighs ingredient；
2) the configured chemical raw material of the step 1) is mixed, is put into ball grinder, agate ball and deionized water, ball milling is added
21-24h dries the raw material after ball milling in infrared drying oven, sieving；
3) powder after drying sieving in the step 2) is used into powder compressing machine tabletting again；
4) tabletting in the step 3) is sintered to get novel ferrite ceramic material.
3. a kind of preparation method of novel ferrite ceramic material according to claim 2, which is characterized in that the step
4) sintering temperature is 1180-1240 DEG C.
4. a kind of preparation method of novel ferrite ceramic material according to claim 2, which is characterized in that the step
4) sintering time is 2-6h.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018509A (en) * | 2019-10-30 | 2020-04-17 | 北京信息科技大学 | Novel ferroelectric semiconductor solid electrolyte material and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4493819A (en) * | 1983-08-03 | 1985-01-15 | Rockwell International Corporation | Ceramic strontium ferrite borate |
| JP2006176346A (en) * | 2004-12-21 | 2006-07-06 | Dowa Mining Co Ltd | Oxygen storage material |
| CN104211388A (en) * | 2014-09-03 | 2014-12-17 | 安徽工业大学 | Preparation method of M-shaped strontium ferrite SrFe12O19 suitable for being sintered at low temperature |
| CN107721405A (en) * | 2017-11-16 | 2018-02-23 | 安徽鑫磁源磁业有限公司 | A kind of low temperature calcination prepares M-type strontium ferrite SrFe12O19The method of Preburning material |
-
2019
- 2019-06-26 CN CN201910563570.4A patent/CN110240476A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4493819A (en) * | 1983-08-03 | 1985-01-15 | Rockwell International Corporation | Ceramic strontium ferrite borate |
| JP2006176346A (en) * | 2004-12-21 | 2006-07-06 | Dowa Mining Co Ltd | Oxygen storage material |
| CN104211388A (en) * | 2014-09-03 | 2014-12-17 | 安徽工业大学 | Preparation method of M-shaped strontium ferrite SrFe12O19 suitable for being sintered at low temperature |
| CN107721405A (en) * | 2017-11-16 | 2018-02-23 | 安徽鑫磁源磁业有限公司 | A kind of low temperature calcination prepares M-type strontium ferrite SrFe12O19The method of Preburning material |
Non-Patent Citations (5)
| Title |
|---|
| FISHER CRAIG A.J 等: "Mixed ionic/electronic conductors Sr2Fe2O5 and Sr4Fe6O13: atomic-scale studies of defects and ion migration", 《JOURNAL OF MATERIALS CHEMISTRY》 * |
| QINGWEI LIAO等: "A New Ionic Compound Sr2Fe8O18: Crystal Structure and Analysis of Application on Solid Electrolytes", 《SSRN ELECTRONIC JOURNAL》 * |
| 曲远方主编: "《现代陶瓷材料及技术》", 31 May 2008, 华东理工大学出版社 * |
| 王以真编著: "《实用磁路设计》", 30 September 2008, 国防工业出版社 * |
| 谢有畅等编: "《结构化学 上》", 30 April 1979, 人民教育出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018509A (en) * | 2019-10-30 | 2020-04-17 | 北京信息科技大学 | Novel ferroelectric semiconductor solid electrolyte material and preparation method and application thereof |
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