CN107253859A - Luminous ferroelectric ceramic material of the Eu Bi codopes tungsten bronze structure of photo and thermal stability occurred frequently and preparation method thereof - Google Patents

Luminous ferroelectric ceramic material of the Eu Bi codopes tungsten bronze structure of photo and thermal stability occurred frequently and preparation method thereof Download PDF

Info

Publication number
CN107253859A
CN107253859A CN201710577431.8A CN201710577431A CN107253859A CN 107253859 A CN107253859 A CN 107253859A CN 201710577431 A CN201710577431 A CN 201710577431A CN 107253859 A CN107253859 A CN 107253859A
Authority
CN
China
Prior art keywords
ceramic material
codopes
tungsten bronze
bronze structure
preparation
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
Application number
CN201710577431.8A
Other languages
Chinese (zh)
Other versions
CN107253859B (en
Inventor
魏灵灵
郝胜兰
杨祖培
晁小练
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Normal University
Original Assignee
Shaanxi Normal University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shaanxi Normal University filed Critical Shaanxi Normal University
Priority to CN201710577431.8A priority Critical patent/CN107253859B/en
Publication of CN107253859A publication Critical patent/CN107253859A/en
Application granted granted Critical
Publication of CN107253859B publication Critical patent/CN107253859B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/495Shaped 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 vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/6303Inorganic additives
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3201Alkali metal oxides or oxide-forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208Calcium oxide or oxide-forming salts thereof, e.g. lime
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3298Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54Particle size related information
    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5427Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54Particle size related information
    • C04B2235/5463Particle size distributions
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/602Making the green bodies or pre-forms by moulding
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects 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
    • C04B2235/6562Heating rate
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects 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
    • C04B2235/6567Treatment time

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The invention discloses luminous ferroelectric ceramic material of the Eu Bi codopes tungsten bronze structure of a kind of photo and thermal stability occurred frequently and preparation method thereof, the general structure of the ceramic material is Sr1.90Ca0.15Na0.81‑3xEuyBixNb5O15, wherein x value is that 0.003~0.008, y value is 0.02~0.06, and it uses conventional high-temperature solid phase method to be prepared from, and preparation method is with low cost, easy to operate.The present invention passes through the Eu and Bi that adulterated in ceramic material, not only make it have luminescent properties, and significantly improve its luminous heat endurance, and improve its Dielectric, Ferroelectric performance, wherein x=0.005, y=0.03 when, its luminous heat endurance is 67%, maximum dielectric constant be 1345, Curie temperature be 272 DEG C, remanent polarization be 4.29 μ C/cm2, coercive field be 21.41kV/cm.

Description

The luminous ferroelectric ceramics material of the Eu-Bi codopes tungsten bronze structure of photo and thermal stability occurred frequently Material and preparation method thereof
Technical field
The invention belongs to technical field of ceramic material, and in particular to a kind of Eu-Bi codope tungsten of photo and thermal stability occurred frequently Luminous ferroelectric ceramic material of bronze structures and preparation method thereof.
Background technology
In recent years, unleaded foundary weight electric material is in addition to research improves foundary weight electrical property to substitute lead-containing materials, also in storage Energy, strain, electric card, thermoelectricity, photoelectricity, it is luminous in terms of find new functional characteristic, receive more and more attention it.Tungsten is blue or green Copper system is an important branch indispensable in unleaded foundary weight electric material system, and composition formula is (A1)2(A2)4C4(B1)2 (B2)8O30, different metal cation according to its radius and valence state optionally occupy A1, A2, B1, B2 and C this 5 kinds it is non-etc. The crystallography interstitial site of valency, the filling situation of regulation crystallography interstitial site can induce out flexible and changeable architectural characteristic and work( Can characteristic.Research group where inventor is using conventional solid-state method by adjusting Na determination study tungsten bronze (Sr0.925Ca0.075)2.5-0.5xNaxNb5O15Architecture and performance are contacted, and as a result find when structure is closer to full of type it Performance is more excellent, but easily produces second and mutually deteriorate electric property.And the ceramic material only has electric property, it is contemplated that Current material high-intelligentization, highly integrated development, this material property are single, limit its application, it is impossible to meet newest material Design concept.
The content of the invention
The technical problems to be solved by the invention are that providing one kind is provided simultaneously with electrical property and luminescent properties and luminous heat The high Eu-Bi codopes tungsten bronze structure of stability lights ferroelectric ceramic material, and provides for it that a kind of technique is simple, repeatability Good, preparation method with low cost.
The structural formula for the ceramic material that above-mentioned technical problem is used is solved for Sr1.90Ca0.15Na0.81-3xEuyBixNb5O15, Wherein x value is that 0.003~0.008, y value is 0.02~0.06, and preferably x value is that 0.005, y value is 0.03。
The luminous ferroelectric ceramic material preparation method of Eu-Bi codopes tungsten bronze structure of the present invention is made up of following step:
1st, according to Sr1.90Ca0.15Na0.81-3xEuyBixNb5O15Stoichiometric proportion weigh purity respectively for more than 99.00% Na2CO3、SrCO3、Nb2O5、CaCO3、Eu2O3、Bi2O3, it is sufficiently mixed ball milling 16~24 hours, 12 is dried at 80~100 DEG C ~24 hours, obtain raw mixture.
2nd, raw mixture was obtained into pre-burning powder in 1180~1250 DEG C of pre-burnings 5~8 hours.
3rd, by pre-burning powder after granulation, tabletting, dumping, sintered 3~6 hours at 1280~1340 DEG C, obtain Eu-Bi and be total to The luminous ferroelectric ceramic material of the tungsten bronze structure that adulterates.
In above-mentioned steps 2, preferably by raw mixture in 1220 DEG C of pre-burnings 6 hours.
In above-mentioned steps 3, preferably by pre-burning powder after granulation, tabletting, dumping, sintered 4 hours at 1300 DEG C.
The present invention is by Sr1.90Ca0.15Na0.90Nb5O15Adulterate Eu and Bi in ceramic systems, not only makes it have luminous Performance, and its luminous heat endurance is significantly improved, and improve its Dielectric, Ferroelectric performance.
Brief description of the drawings
Fig. 1 is the XRD of ceramic material prepared by comparative example 1, comparative example 2 and embodiment 1~3.
Fig. 2 is the luminous heat endurance figure of ceramic material prepared by comparative example 2.
Fig. 3 is the luminous heat endurance figure of ceramic material prepared by embodiment 2.
Fig. 4 is the ceramic material for preparing of comparative example 1, comparative example 2 and embodiment 1~3 Curie's temperature under 10kHz test frequencies Degree and maximum dielectric constant comparison diagram.
Fig. 5 is the ferroelectric hysteresis loop of ceramic material prepared by comparative example 2 and embodiment 1~3.
Fig. 6 is the remanent polarization and coercive field comparison diagram of ceramic material prepared by comparative example 2 and embodiment 1~3.
Embodiment
The present invention is described in more detail with reference to the accompanying drawings and examples, but protection scope of the present invention is not limited only to These embodiments.
Embodiment 1
1st, according to Sr1.90Ca0.15Na0.801Eu0.03Bi0.003Nb5O15Stoichiometry respectively to weigh purity be 99.80% Na2CO30.8409g, purity are 99.00% SrCO35.6016g, purity are 99.99% Nb2O513.1394g, purity For 99.00% CaCO30.2998g, purity are 99.99% Eu2O30.1044g, purity are 99.99% Bi2O3 0.0138g, is fitted into nylon tank, by abrading-ball of zirconium ball, absolute ethyl alcohol be ball-milling medium, with 401 revs/min of ball millings 24 of ball mill Hour, it is placed in drying box and is dried 15 hours at 80 DEG C, with mortar grinder 30 minutes, crosses 80 mesh sieves, obtain raw mixture.
2nd, raw mixture is placed in alumina crucible, be compacted with agate rod, it is 1.5g/cm to make its compacted density3, plus Lid, is placed in resistance furnace, is warming up to 1220 DEG C of pre-burnings 6 hours with 3 DEG C/min of heating rate, naturally cools to room temperature, go out Stove, with mortar grinder 10 minutes, crosses 120 mesh sieves, obtains pre-burning powder.
3rd, the mass fraction that its quality 50% is added into pre-burning powder is 5% polyvinyl alcohol water solution, and granulation crosses 120 Mesh sieve, is made spherical powder, in the stainless steel mould that spherical powder is put into a diameter of 15mm, with powder compressing machine in 300MPa Pressure under be compressed into thickness be 1.5mm cylindric blank, cylindric blank is placed on zirconium oxide flat board, will be aoxidized Zirconium flat board is placed in the closed saggar of aluminum oxide, is first warming up to 500 DEG C, is incubated 2 hours dumpings, is cooled to room temperature, then with 10 DEG C/minute The heating rate of clock is warming up to 1000 DEG C, and 1300 DEG C are warming up in 3 DEG C/min of heating rates, sinters 4 hours, natural with stove Room temperature is cooled to, the luminous ferroelectric ceramic material of Eu-Bi codopes tungsten bronze structure is obtained.
Embodiment 2
In the step 1 of the present embodiment, according to Sr1.90Ca0.15Na0.795Eu0.03Bi0.005Nb5O15Stoichiometry claim respectively Take the Na that purity is 99.80%2CO30.8345g, purity are 99.00% SrCO35.6008g, purity are 99.99% Nb2O513.1375g, purity are 99.00% CaCO30.2998g, purity are 99.99% Eu2O30.1044g, purity are 99.99% Bi2O30.0230g, other steps are same as Example 1, obtain the luminous iron of Eu-Bi codopes tungsten bronze structure Electroceramics material.
Embodiment 3
In the step 1 of the present embodiment, according to Sr1.90Ca0.15Na0.786Eu0.03Bi0.008Nb5O15Stoichiometry claim respectively Take the Na that purity is 99.80%2CO30.8249g, purity are 99.00% SrCO35.5996g, purity are 99.99% Nb2O513.1347g, purity are 99.00% CaCO30.2997g, purity are 99.99% Eu2O30.1043g, purity are 99.99% Bi2O30.0368g, other steps are same as Example 1, obtain the luminous iron of Eu-Bi codopes tungsten bronze structure Electroceramics material.
Comparative example 1
According to Sr1.90Ca0.15Na0.90Nb5O15Stoichiometry weigh respectively purity be 99.80% Na2CO3 0.9455g, purity are 99.00% SrCO35.6056g, purity are 99.99% Nb2O513.1488g, purity be 99.00% CaCO30.3000g, other steps are same as Example 1, obtain Sr1.90Ca0.15Na0.90Nb5O15Ceramic material Material.
Comparative example 2
According to Sr1.90Ca0.15Na0.81Eu0.03Nb5O15Stoichiometry weigh respectively purity be 99.80% Na2CO3 0.8506g, purity are 99.00% SrCO35.6028g, purity are 99.99% Nb2O513.1423g, purity be 99.00% CaCO30.2999g, purity are 99.99% Eu2O30.1044g, other steps are same as Example 1, obtain The luminous ferroelectric ceramic material of Eu doping tungsten bronze structures.
D/max-2200X type x ray diffractions are respectively adopted in ceramic material prepared by above-mentioned comparative example 1 and 2 and embodiment 1~3 Instrument (company produces by Rigaku) carries out XRD tests, using F-4600 types sepectrophotofluorometer and connection temperature regulating device (THMS600) its heat endurance is tested, as a result sees Fig. 1~3.As seen from Figure 1, comparative example 1, comparative example 2 and embodiment 1 ~3 to prepare ceramic material be pure tungsten bronze phase.In Fig. 2 and Fig. 3, comparative example 2 by Sr1.90Ca0.15Na0.90Nb5O15Although the Eu that adulterated in ceramic material makes ceramic material be provided with luminescent properties, but luminous heat is steady Qualitative poor, the present invention is by Sr1.90Ca0.15Na0.90Nb5O15Adulterate Eu and Bi simultaneously in ceramic material, not only makes ceramics Material is provided with luminescent properties, and relative to comparative example 2, the heat endurance of ceramic material is brought up to by original 33% 67%.
By comparative example 1, comparative example 2 and embodiment 1~3 prepare ceramic material surfaces successively with 320 mesh, 800 mesh, 1500 mesh sand paper are polished to 0.5~0.6mm thickness, then in the silver paste that ceramic upper and lower surface coating thickness is 0.01~0.03 mm, It is placed in resistance furnace 840 DEG C and is incubated 30 minutes.Using HIOKI3532-50 and Agilient4980A type precise impedance analyzers (being produced by Anjelen Sci. & Tech. Inc) etc. carries out ceramic dielectric ferroelectric properties test, as a result sees Fig. 4~6.Can by Fig. 4~6 See, compared with the ceramic material of comparative example 1 and comparative example 2, the present invention is improved by the Eu and Bi that adulterated in ceramic material simultaneously The electrical property of ceramic material, when the value that x values are 0.005, y is 0.03, its maximum dielectric constant is 1345, Curie Temperature is 272 DEG C, remanent polarization is 4.29 μ C/cm2, coercive field be 21.41kV/cm.

Claims (5)

  1. The ferroelectric ceramic material 1. a kind of Eu-Bi codopes tungsten bronze structure of photo and thermal stability occurred frequently lights, it is characterised in that:Should The structural formula of ceramic material is Sr1.90Ca0.15Na0.81-3xEuyBixNb5O15, wherein x value is taking for 0.003~0.008, y It is worth for 0.02~0.06.
  2. The ferroelectric ceramics material 2. the Eu-Bi codopes tungsten bronze structure of photo and thermal stability occurred frequently according to claim 1 lights Material, it is characterised in that:The value that the value of the x is 0.005, y is 0.03.
  3. Ferroelectric ceramic material preparation method, its feature 3. the Eu-Bi codopes tungsten bronze structure described in a kind of claim 1 lights It is that it is made up of following step:
    (1) according to Sr1.90Ca0.15Na0.81-3xEuyBixNb5O15Stoichiometric proportion weigh purity respectively for more than 99.00% Na2CO3、SrCO3、Nb2O5、CaCO3、Eu2O3、Bi2O3, it is sufficiently mixed ball milling 16~24 hours, 12 is dried at 80~100 DEG C ~24 hours, obtain raw mixture;
    (2) raw mixture was obtained into pre-burning powder in 1180~1250 DEG C of pre-burnings 5~8 hours;
    (3) by pre-burning powder after granulation, tabletting, dumping, sintered 3~6 hours at 1280~1340 DEG C, obtain Eu-Bi codopes Tungsten bronze structure lights ferroelectric ceramic material.
  4. The preparation method of ferroelectric ceramic material 4. Eu-Bi codopes tungsten bronze structure according to claim 3 lights, it is special Levy and be:In step (2), by raw mixture in 1220 DEG C of pre-burnings 6 hours.
  5. The preparation method of ferroelectric ceramic material 5. Eu-Bi codopes tungsten bronze structure according to claim 3 lights, it is special Levy and be:In step (3), by pre-burning powder after granulation, tabletting, dumping, sintered 4 hours at 1300 DEG C.
CN201710577431.8A 2017-07-14 2017-07-14 Luminous ferroelectric ceramic material of the Eu-Bi codope tungsten bronze structure of high-incidence photo and thermal stability and preparation method thereof Active CN107253859B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710577431.8A CN107253859B (en) 2017-07-14 2017-07-14 Luminous ferroelectric ceramic material of the Eu-Bi codope tungsten bronze structure of high-incidence photo and thermal stability and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710577431.8A CN107253859B (en) 2017-07-14 2017-07-14 Luminous ferroelectric ceramic material of the Eu-Bi codope tungsten bronze structure of high-incidence photo and thermal stability and preparation method thereof

Publications (2)

Publication Number Publication Date
CN107253859A true CN107253859A (en) 2017-10-17
CN107253859B CN107253859B (en) 2019-12-03

Family

ID=60025051

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710577431.8A Active CN107253859B (en) 2017-07-14 2017-07-14 Luminous ferroelectric ceramic material of the Eu-Bi codope tungsten bronze structure of high-incidence photo and thermal stability and preparation method thereof

Country Status (1)

Country Link
CN (1) CN107253859B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114605151A (en) * 2022-04-24 2022-06-10 西安理工大学 Gd-Ta co-doped tungsten bronze structure ferroelectric energy storage ceramic material and preparation method thereof
CN115180944A (en) * 2022-07-11 2022-10-14 中国科学院上海硅酸盐研究所 Full-filled tungsten bronze structure high-entropy ferroelectric ceramic material and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105541413A (en) * 2016-02-03 2016-05-04 陕西师范大学 High-d33 lead-free strontium calcium niobate sodium tungsten bronze piezo-ferroelectric ceramic material and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105541413A (en) * 2016-02-03 2016-05-04 陕西师范大学 High-d33 lead-free strontium calcium niobate sodium tungsten bronze piezo-ferroelectric ceramic material and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LEI YU等: "Strong photoluminescence and good electrical properties in Eu-modified SrBi2Nb2O9 multifunctional ceramics", 《CERAMICS INTERNATIONAL》 *
XIN YIN等: "Effect of structural packing on the luminescence properties in tungsten bronze compounds M2KNb5O15 (M=Ca, Sr, Ba)", 《JOURNAL OFSOLIDSTATECHEMISTRY》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114605151A (en) * 2022-04-24 2022-06-10 西安理工大学 Gd-Ta co-doped tungsten bronze structure ferroelectric energy storage ceramic material and preparation method thereof
CN114605151B (en) * 2022-04-24 2022-12-09 西安理工大学 Gd-Ta co-doped tungsten bronze structure ferroelectric energy storage ceramic material and preparation method thereof
CN115180944A (en) * 2022-07-11 2022-10-14 中国科学院上海硅酸盐研究所 Full-filled tungsten bronze structure high-entropy ferroelectric ceramic material and preparation method thereof

Also Published As

Publication number Publication date
CN107253859B (en) 2019-12-03

Similar Documents

Publication Publication Date Title
CN109574656A (en) A kind of high energy storage bismuth-sodium titanate-strontium titanate base dielectric material and preparation method thereof
JP7412019B2 (en) Rare earth tantalate ceramics that prevent corrosion due to low melting point oxides and their manufacturing method
CN106673642B (en) Giant dielectric low-loss CCTO-based ceramic material and preparation method thereof
CN110981468B (en) Preparation method of sodium bismuth titanate-based piezoelectric ceramic
CN110511018A (en) A kind of high energy density ceramic capacitor dielectric and preparation method thereof
CN104860672A (en) High dielectric microwave ceramic dielectric material and preparation method thereof
CN106064942B (en) high-Curie-temperature lead-free SNKBT piezoelectric ceramic and preparation method thereof
CN111484325A (en) Barium strontium titanate-based ceramic material and preparation method and application thereof
CN107814569B (en) Lead-free antiferroelectric ceramic and preparation method thereof
CN101613199A (en) A kind of high-performance zinc oxide composite ceramic voltage dependent resistor material and preparation method
CN110015893A (en) A kind of composite mixed bismuth ferrite-barium titanate binary system Lead-free ferroelectric ceramics material, preparation method and applications
CN109704762A (en) A kind of SrNb2 O6 base class antiferroelectric ceramics and its preparation method and application
CN111004030B (en) MgTiO (magnesium-titanium-oxide) powder3Microwave-based dielectric ceramic and preparation method thereof
CN113666743A (en) KNN-based transparent energy storage ceramic material and preparation method thereof
CN107253859A (en) Luminous ferroelectric ceramic material of the Eu Bi codopes tungsten bronze structure of photo and thermal stability occurred frequently and preparation method thereof
CN113880576B (en) Low sintering temperature and anisotropic strontium barium niobate sodium tungsten bronze type piezoelectric ferroelectric ceramic material and preparation method thereof
CN114478006A (en) KNNS-BNZ + CuO piezoceramic material and preparation method and application thereof
US11958781B2 (en) Potassium sodium bismuth niobate tantalate zirconate ferrite ceramics with non-stoichiometric Nb5+ and preparation method therefor
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
CN107021754B (en) Dispersant modified relaxation type niobium nickel zirconium lead titanate piezoelectric ceramic and preparation method thereof
CN106116575A (en) A kind of high d33submicron order Al3+the hot-pressing sintering method of doping potassium-sodium niobate lead-free piezoelectric ceramics
CN109516800B (en) High-energy-storage-performance dielectric ceramic, and preparation method and application thereof
CN107337452B (en) The Sm of high transparency and luminous thermal stability3+Adulterate luminous ferroelectric ceramic material of tungsten bronze and preparation method thereof
CN106977205A (en) A kind of preparation method of lanthanum strontium manganese oxygen/zinc oxide aluminum complex phase ceramic

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