CN102173765A - Bismuth ferrite-lead tungstate multiferroic ceramic and preparation method thereof - Google Patents
Bismuth ferrite-lead tungstate multiferroic ceramic and preparation method thereof Download PDFInfo
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- CN102173765A CN102173765A CN2011100062451A CN201110006245A CN102173765A CN 102173765 A CN102173765 A CN 102173765A CN 2011100062451 A CN2011100062451 A CN 2011100062451A CN 201110006245 A CN201110006245 A CN 201110006245A CN 102173765 A CN102173765 A CN 102173765A
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- bismuth ferrite
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Abstract
The invention discloses bismuth ferrite-lead tungstate multiferroic ceramic and a preparation method thereof. The general formula of the chemical composition of the bismuth ferrite-lead tungstate multiferroic ceramic is (1-x)BiFeO3-xPb(W1/3Fe2/3)O3, wherein 0<x<0.4 and x represents molar fraction. The preparation method comprises the following steps: taking ferric oxide, bismuth trioxide, lead oxide and tungsten trioxide at a stoichiometric ratio of (1-x)BiFeO3-xPb(W1/3Fe2/3)O3 (0<x<0.4); performing ball milling, granulating, moulding, discharging rubber, and performing high temperature sintering and other working procedures to finally prepare the bismuth ferrite-lead tungstate multiferroic ceramic with good ferroelectric-ferromagnetic property. By adopting the method disclosed by the invention, the problems that the bismuth ferrite ceramic has weak magnetism and the technology is unstable can be solved, and the multiferroic material with good ferroelectric and ferromagnetic properties can be obtained.
Description
Technical field
The present invention relates to a kind of ferrous acid bismuth-many iron of ferrotungsten lead plumbate pottery and preparation method thereof, belong to electronic ceramic fields.
Background technology
Many iron property is former be meant have ferroelectric, ferromagnetic or the iron bullet in both or both above performances, also anti-ferroelectricity, antiferromagnetism and spiral ferromegnetism are included now, wherein ferromagnetic electric material has caused the great interest of people in recent years.Ferromagnetic electric material has ferroelectricity and magnetic simultaneously, can be induced by electric field and produce magnetization, and electropolarization also can be brought out in magnetic field simultaneously, and this character is called as magnetoelectric effect.This magnetic and electricity be controlled at information storage, spin electric device aspect mutually, all there is extremely important application prospect Magnetic Sensor and electric capacity-inductor integrated device aspect.
BiFeO
3Be one of minority ferromagnetic electric material of at room temperature having ferroelectricity and magnetic simultaneously, BiFeO
3Magnetic structure be the uneven antiferromagnetic spin preface of spatial modulation, spin is arranged by non-commensurability is sinusoidal, the cycle is about 62nm, causes each ionic magnetic moment to be cancelled out each other, and shows weak magnetic on the macroscopic view, this has just limited its application widely.If can be by mixing, break the periodicity that its spin is arranged, can obtain enhanced magnetic [Yao Wang, Ce Wen Nan, Applied Physics Letters, 2006,89:052903.], and might obtain big magneto-electric coupled effect, and make it that ferroelectric and ferromegnetism be arranged simultaneously, it will have bigger using value.
Summary of the invention
In order to stablize BiFeO
3Structure, strengthen its ferroelectric-ferromagnetic performance, the invention provides a kind of ferrous acid bismuth-many iron of ferrotungsten lead plumbate pottery and preparation method thereof, improve magnetic by the content that increases iron, employing ferrous acid bismuth and ferrotungsten lead plumbate are compounded to form sosoloid and high temperature is gone into furnaceman's skill, makes its magnetic electricity performance and processing performance all obtain improving greatly.
Technical scheme of the present invention is:
The chemical constitution general formula of ferrous acid bismuth-many iron of ferrotungsten lead plumbate pottery is: (1-x) BiFeO
3-xPb (W
1/3Fe
2/3) O
3, wherein: 0＜x＜0.4, x is a molar fraction.
Concrete preparation method is:
(1), be (1-x) BiFeO by stoichiometric ratio with ferric oxide, bismuthous oxide bismuth trioxide, plumbous oxide, tungstic oxide
3-xPb (W
1/3Fe
2/3) O
3, wherein: 0＜x＜0.4, x is a molar fraction.
(2) material that step (1) is prepared is put into the ball mill batch mixing, requires to mix, and obtains the ball milling material;
(3) adopt the air-stream spraying tablets press that the ball milling material is carried out granulation, obtain particle diameter and be 0.001～1 millimeter powder granule;
(4) powder granule that step (3) is obtained is put into press and is pressed into ceramic body;
(5) base substrate of step (4) moulding is put into the stove binder removal, after binder removal finished, furnace cooling obtained plain sheet;
(6) stove is warming up to 750～1100 ℃ in advance, and plain sheet is put into sintering oven, is incubated 0.1～1 hour, takes out then, makes ferrous acid bismuth-many iron of ferrotungsten lead plumbate pottery.
The invention has the beneficial effects as follows: adopt the ferrotungsten lead plumbate that the ferrous acid bismuth is mixed, in not change system basically under the situation of the content of iron, improved the stability of material effectively and improved the ferroelectric properties of material.Behind the doping vario-property, reduced the oxygen room, strengthened insulativity and ferroelectricity, suppressed the appearance of dephasign, destroyed the spiral magnetic structure simultaneously, made material present ferromegnetism preferably.Adopt high temperature to go into stove, short period of time heat preservation method simultaneously, can significantly reduce the appearance of dephasign, improved its processing performance.
Description of drawings
Fig. 1 is 0.96BiFeO of the present invention
3-0.04Pb (W
1/3Fe
2/3) O
3The dielectric temperature spectrum of pottery.
Fig. 2 is 0.90BiFeO of the present invention
3-0.10Pb (W
1/3Fe
2/3) O
3The dielectric temperature spectrum of pottery.
Fig. 3 is 0.65BiFeO of the present invention
3-0.35Pb (W
1/3Fe
2/3) O
3The dielectric temperature spectrum of pottery.
Embodiment
Embodiment 1:
With ferric oxide, bismuthous oxide bismuth trioxide, plumbous oxide, the tungstic oxide of analytical pure level, be 0.96BiFeO by stoichiometric ratio
3-0.04Pb (W
1/3Fe
2/3) O
3Carry out weigh batching; The material for preparing is put into the ball mill batch mixing, require to mix, obtain the ball milling material; Adopt the air-stream spraying tablets press that the ball milling material is carried out granulation, obtain particle diameter and be 0.001～1 millimeter powder granule; The powder granule that obtains is put into press be pressed into ceramic body; The base substrate of moulding is put into the stove binder removal, and after binder removal finished, furnace cooling obtained plain sheet; Plain sheet put into rise to 750 ℃ of sintering ovens in advance, be incubated 0.1 hour, take out then, make 0.96BiFeO
3-0.04Pb (W
1/3Fe
2/3) O
3Pottery.Fig. 1 has provided 0.96BiFeO
3-0.04Pb (W
1/3Fe
2/3) O
3The dielectric temperature spectrum of pottery.
Embodiment 2:
With ferric oxide, bismuthous oxide bismuth trioxide, plumbous oxide, the tungstic oxide of analytical pure level, be 0.90BiFeO by stoichiometric ratio
3-0.10Pb (W
1/3Fe
2/3) O
3Carry out weigh batching.The material for preparing is put into the ball mill batch mixing, require to mix, obtain the ball milling material; Adopt the air-stream spraying tablets press that the ball milling material is carried out granulation, obtain particle diameter and be 0.001～1 millimeter powder granule; The powder granule that obtains is put into press be pressed into ceramic body; The base substrate of moulding is put into the stove binder removal, and after binder removal finished, furnace cooling obtained plain sheet; Plain sheet put into rise to 880 ℃ of sintering ovens in advance, be incubated 0.5 hour, take out then, make 0.90BiFeO
3-0.10Pb (W
1/3Fe
2/3) O
3Pottery.Fig. 2 has provided 0.90BiFeO
3-0.10Pb (W
1/3Fe
2/3) O
3The dielectric temperature spectrum of pottery.
Embodiment 3:
With ferric oxide, bismuthous oxide bismuth trioxide, plumbous oxide, the tungstic oxide of analytical pure level, be 0.65BiFeO by stoichiometric ratio
3-0.35Pb (W
1/3Fe
2/3) O
3Carry out weigh batching.The material for preparing is put into the ball mill batch mixing, require to mix, obtain the ball milling material; Adopt the air-stream spraying tablets press that the ball milling material is carried out granulation, obtain particle diameter and be 0.001～1 millimeter powder granule; The powder granule that obtains is put into press be pressed into ceramic body; The base substrate of moulding is put into the stove binder removal, and after binder removal finished, furnace cooling obtained plain sheet; Plain sheet put into rise to 1100 ℃ of sintering ovens in advance, be incubated 0.9 hour, take out then, make 0.65BiFeO
3-0.35Pb (W
1/3Fe
2/3) O
3Pottery.Fig. 3 has provided 0.65BiFeO
3-0.35Pb (W
1/3Fe
2/3) O
3The dielectric temperature spectrum of pottery.
Claims (2)
1. ferrous acid bismuth-many iron of ferrotungsten lead plumbate pottery is characterized in that its chemical constitution general formula is: (1-x) BiFeO
3-xPb (W
1/3Fe
2/3) O
3, wherein: 0＜x＜0.4, x is a molar fraction.
2. the preparation method of ferrous acid bismuth as claimed in claim 1-many iron of ferrotungsten lead plumbate pottery is characterized in that the preparation method is:
(1), be (1-x) BiFeO by stoichiometric ratio with ferric oxide, bismuthous oxide bismuth trioxide, plumbous oxide, tungstic oxide
3-xPb (W
1/3Fe
2/3) O
3, wherein: 0＜x＜0.4, x is a molar fraction;
(2) material that step (1) is prepared is put into the ball mill batch mixing, requires to mix, and obtains the ball milling material;
(3) adopt the air-stream spraying tablets press that the ball milling material is carried out granulation, obtain particle diameter and be 0.001～1 millimeter powder granule;
(4) powder granule that step (3) is obtained is put into press and is pressed into ceramic body;
(5) base substrate of step (4) moulding is put into the stove binder removal, after binder removal finished, furnace cooling obtained plain sheet;
(6) stove is warming up to 750～1100 ℃ in advance, and plain sheet is put into sintering oven, is incubated 0.1～1 hour, takes out then, makes ferrous acid bismuth-many iron of ferrotungsten lead plumbate pottery.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500764A (en) * | 2017-08-09 | 2017-12-22 | 上海师范大学 | Lead magnesio-niobate lead titanates bismuth ferrite multiferroic ceramic material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624796A (en) * | 1985-06-07 | 1986-11-25 | Celanese Corporation | Piezoelectric filler and flexible piezoelectric composites |
| JP2000169223A (en) * | 1998-11-30 | 2000-06-20 | Kyocera Corp | Piezoelectric ceramic composition and its production |
| CN101037338A (en) * | 2007-04-25 | 2007-09-19 | 上海大学 | Method for preparing ferrite bismuth lanthanum-titanate lead solid solution ceramic under strong magnetic field action |
| CN101279841A (en) * | 2008-05-22 | 2008-10-08 | 中国科学院电工研究所 | Method for preparing multi-ferroic material under intense magnetic field |
| JP4247936B2 (en) * | 1999-03-24 | 2009-04-02 | Ｎｅｃトーキン株式会社 | Piezoelectric ceramic composition |
-
2011
- 2011-01-11 CN CN 201110006245 patent/CN102173765B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624796A (en) * | 1985-06-07 | 1986-11-25 | Celanese Corporation | Piezoelectric filler and flexible piezoelectric composites |
| JP2000169223A (en) * | 1998-11-30 | 2000-06-20 | Kyocera Corp | Piezoelectric ceramic composition and its production |
| JP4247936B2 (en) * | 1999-03-24 | 2009-04-02 | Ｎｅｃトーキン株式会社 | Piezoelectric ceramic composition |
| CN101037338A (en) * | 2007-04-25 | 2007-09-19 | 上海大学 | Method for preparing ferrite bismuth lanthanum-titanate lead solid solution ceramic under strong magnetic field action |
| CN101279841A (en) * | 2008-05-22 | 2008-10-08 | 中国科学院电工研究所 | Method for preparing multi-ferroic material under intense magnetic field |
Non-Patent Citations (1)
| Title |
|---|
| R.N.P CHOUDHARY: "Relaxor characteristics of Pb(Fe2/3W1/3)O3)-BiFeO3 solid solution prepared by mechanosynthesis route", 《JOURNAL OF APPLIED PHYSICS》, vol. 18, no. 39, 31 December 2006 (2006-12-31) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500764A (en) * | 2017-08-09 | 2017-12-22 | 上海师范大学 | Lead magnesio-niobate lead titanates bismuth ferrite multiferroic ceramic material and preparation method thereof |
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Effective date of registration: 20220224 Address after: 810000 Room 203, No. 22, Jingsi Road, Qinghai Biotechnology Industrial Park, Xining City, Qinghai Province Patentee after: XINING KEJIN INDUSTRIAL DESIGN Co.,Ltd. Address before: 541004 Guilin city of the Guangxi Zhuang Autonomous Region Road No. 12 building of Guilin University of Technology Patentee before: GUILIN University OF TECHNOLOGY |