RU2019135256A - Способ получения нанопорошков феррита висмута - Google Patents
Способ получения нанопорошков феррита висмута Download PDFInfo
- Publication number
- RU2019135256A RU2019135256A RU2019135256A RU2019135256A RU2019135256A RU 2019135256 A RU2019135256 A RU 2019135256A RU 2019135256 A RU2019135256 A RU 2019135256A RU 2019135256 A RU2019135256 A RU 2019135256A RU 2019135256 A RU2019135256 A RU 2019135256A
- Authority
- RU
- Russia
- Prior art keywords
- bismuth
- components
- bismuth ferrite
- nanopowders
- ferrite nanopowders
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/405—Methods of mixing liquids with liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
- B01F23/452—Mixing liquids with liquids; Emulsifying using flow mixing by uniting flows taken from different parts of a receptacle or silo; Sandglass-type mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/46—Homogenising or emulsifying nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
- B82B3/0004—Apparatus specially adapted for the manufacture or treatment of nanostructural devices or systems or methods for manufacturing the same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
- B82B3/0009—Forming specific nanostructures
- B82B3/0014—Array or network of similar nanostructural elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G29/00—Compounds of bismuth
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/22—Complex oxides
- C30B29/24—Complex oxides with formula AMeO3, wherein A is a rare earth metal and Me is Fe, Ga, Sc, Cr, Co or Al, e.g. ortho ferrites
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Compounds Of Iron (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Hard Magnetic Materials (AREA)
Claims (1)
- Способ получения нанопорошков феррита висмута, заключающийся в подаче исходных компонентов - смеси растворов солей висмута и железа в соотношении компонентов, отвечающих стехиометрии BiFeO3, и раствора щелочи с молярной объемной концентрацией от 1 моль/л до 4 моль/л, отвечающей условиям соосаждения компонентов, отличающийся тем, что получение нанопорошков феррита висмута ведут в две стадии: на первой стадии осуществляют соосаждение гидроксидов висмута и железа путем подачи растворов исходных компонентов в виде тонких струй диаметром от 100 до 800 мкм со скоростью в интервале от 10 м/с до 25 м/с, сталкивающихся в вертикальной плоскости под углом от 70° до 120° между струями, при температуре в диапазоне от 20°С до 30°С, и давлении, близком к атмосферному, с последующим отделением частиц от жидкости и их промывки от остатков щелочи, на второй стадии проводят дегидратацию соосажденных гидроксидов висмута и железа при температуре в интервале от 420°С до 600°С и атмосферном давлении.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2019135256A RU2748446C2 (ru) | 2019-11-01 | 2019-11-01 | Способ получения нанопорошков феррита висмута |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2019135256A RU2748446C2 (ru) | 2019-11-01 | 2019-11-01 | Способ получения нанопорошков феррита висмута |
Publications (3)
Publication Number | Publication Date |
---|---|
RU2019135256A true RU2019135256A (ru) | 2021-05-04 |
RU2019135256A3 RU2019135256A3 (ru) | 2021-05-04 |
RU2748446C2 RU2748446C2 (ru) | 2021-05-25 |
Family
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Family Applications (1)
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RU2019135256A RU2748446C2 (ru) | 2019-11-01 | 2019-11-01 | Способ получения нанопорошков феррита висмута |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114084911A (zh) * | 2021-11-04 | 2022-02-25 | 江苏科技大学 | 一种Bi2Fe4O9材料的制备方法及应用 |
CN114804984A (zh) * | 2022-04-28 | 2022-07-29 | 西安近代化学研究所 | 一种沉积氧化铋的硼燃料及制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2625981C1 (ru) * | 2016-09-16 | 2017-07-20 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный технологический институт (технический университет)" | Способ получения нанопорошков феррита кобальта и микрореактор для его реализации |
-
2019
- 2019-11-01 RU RU2019135256A patent/RU2748446C2/ru active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114084911A (zh) * | 2021-11-04 | 2022-02-25 | 江苏科技大学 | 一种Bi2Fe4O9材料的制备方法及应用 |
CN114084911B (zh) * | 2021-11-04 | 2023-12-22 | 江苏科技大学 | 一种Bi2Fe4O9材料的制备方法及应用 |
CN114804984A (zh) * | 2022-04-28 | 2022-07-29 | 西安近代化学研究所 | 一种沉积氧化铋的硼燃料及制备方法 |
Also Published As
Publication number | Publication date |
---|---|
RU2019135256A3 (ru) | 2021-05-04 |
RU2748446C2 (ru) | 2021-05-25 |
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