JPH0380725B2 - - Google Patents
Info
- Publication number
- JPH0380725B2 JPH0380725B2 JP62098164A JP9816487A JPH0380725B2 JP H0380725 B2 JPH0380725 B2 JP H0380725B2 JP 62098164 A JP62098164 A JP 62098164A JP 9816487 A JP9816487 A JP 9816487A JP H0380725 B2 JPH0380725 B2 JP H0380725B2
- Authority
- JP
- Japan
- Prior art keywords
- ferrite
- magnetic
- crystal
- axis
- hexagonal ferrite
- 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.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/009—Compounds containing iron, with or without oxygen or hydrogen, and containing two or more other elements
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/30—Three-dimensional structures
- C01P2002/32—Three-dimensional structures spinel-type (AB2O4)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/76—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by a space-group or by other symmetry indications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9816487A JPS63265828A (ja) | 1987-04-21 | 1987-04-21 | 結晶異方性酸化物磁性材料およびその製造法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9816487A JPS63265828A (ja) | 1987-04-21 | 1987-04-21 | 結晶異方性酸化物磁性材料およびその製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63265828A JPS63265828A (ja) | 1988-11-02 |
JPH0380725B2 true JPH0380725B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-12-25 |
Family
ID=14212449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9816487A Granted JPS63265828A (ja) | 1987-04-21 | 1987-04-21 | 結晶異方性酸化物磁性材料およびその製造法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63265828A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63275103A (ja) * | 1987-05-07 | 1988-11-11 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
JPS6472926A (en) * | 1987-09-14 | 1989-03-17 | Matsushita Electric Ind Co Ltd | Plate-shaped oxide magnetic powder |
JPH0238317A (ja) * | 1988-07-28 | 1990-02-07 | Matsushita Electric Ind Co Ltd | 酸化物系磁性粉体とその製造方法とそれを用いた記録媒体 |
JP4779966B2 (ja) * | 2006-12-28 | 2011-09-28 | 日亜化学工業株式会社 | ボンド磁石用組成物およびそれを用いたボンド磁石 |
JP6756483B2 (ja) * | 2015-01-19 | 2020-09-16 | 国立大学法人 東京大学 | ε酸化鉄を含む配向体とその製造方法、並びに製造装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60255629A (ja) * | 1984-05-31 | 1985-12-17 | Toda Kogyo Corp | 磁気記録用板状Baフェライト微粒子粉末及びその製造法 |
JPS60255628A (ja) * | 1984-05-31 | 1985-12-17 | Toda Kogyo Corp | 磁気記録用板状Baフエライト微粒子粉末及びその製造法 |
-
1987
- 1987-04-21 JP JP9816487A patent/JPS63265828A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS63265828A (ja) | 1988-11-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
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R250 | Receipt of annual fees |
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EXPY | Cancellation because of completion of term | ||
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