DE1774609C3 - Magnetschichtspeicher für binäre Informationen - Google Patents
Magnetschichtspeicher für binäre InformationenInfo
- Publication number
- DE1774609C3 DE1774609C3 DE19681774609 DE1774609A DE1774609C3 DE 1774609 C3 DE1774609 C3 DE 1774609C3 DE 19681774609 DE19681774609 DE 19681774609 DE 1774609 A DE1774609 A DE 1774609A DE 1774609 C3 DE1774609 C3 DE 1774609C3
- Authority
- DE
- Germany
- Prior art keywords
- layer
- magnetic
- ferromagnetic
- antiferromagnetic
- magnetic layer
- 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
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 88
- 238000003860 storage Methods 0.000 title claims description 20
- 230000005294 ferromagnetic effect Effects 0.000 claims description 38
- 230000005290 antiferromagnetic effect Effects 0.000 claims description 31
- 230000015654 memory Effects 0.000 claims description 29
- 239000011572 manganese Substances 0.000 claims description 12
- 229910052748 manganese Inorganic materials 0.000 claims description 11
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical group [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 10
- 239000003302 ferromagnetic material Substances 0.000 claims description 8
- KGWWEXORQXHJJQ-UHFFFAOYSA-N [Fe].[Co].[Ni] Chemical compound [Fe].[Co].[Ni] KGWWEXORQXHJJQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 4
- 229910000531 Co alloy Inorganic materials 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 143
- 239000000463 material Substances 0.000 description 22
- 230000008878 coupling Effects 0.000 description 13
- 238000010168 coupling process Methods 0.000 description 13
- 238000005859 coupling reaction Methods 0.000 description 13
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 12
- 239000000758 substrate Substances 0.000 description 10
- 230000005415 magnetization Effects 0.000 description 9
- 239000002885 antiferromagnetic material Substances 0.000 description 8
- 230000007704 transition Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- URQWOSCGQKPJCM-UHFFFAOYSA-N [Mn].[Fe].[Ni] Chemical compound [Mn].[Fe].[Ni] URQWOSCGQKPJCM-UHFFFAOYSA-N 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910000428 cobalt oxide Inorganic materials 0.000 description 2
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000005298 paramagnetic effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 101100457021 Caenorhabditis elegans mag-1 gene Proteins 0.000 description 1
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- 101100067996 Mus musculus Gbp1 gene Proteins 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/3218—Exchange coupling of magnetic films via an antiferromagnetic interface
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Thin Magnetic Films (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR116154A FR1541019A (fr) | 1967-07-28 | 1967-07-28 | Structures magnétiques en couches minces et leur application aux mémoires magnétiques d'informations binaires |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1774609A1 DE1774609A1 (de) | 1971-11-04 |
| DE1774609B2 DE1774609B2 (de) | 1974-07-18 |
| DE1774609C3 true DE1774609C3 (de) | 1975-02-27 |
Family
ID=8636049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681774609 Expired DE1774609C3 (de) | 1967-07-28 | 1968-07-26 | Magnetschichtspeicher für binäre Informationen |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1774609C3 (enrdf_load_stackoverflow) |
| FR (1) | FR1541019A (enrdf_load_stackoverflow) |
| GB (1) | GB1238866A (enrdf_load_stackoverflow) |
| NL (1) | NL141006B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621030A (en) * | 1982-07-19 | 1986-11-04 | Hitachi, Ltd. | Perpendicular magnetic recording medium and manufacturing method thereof |
| CA1235485A (en) * | 1984-01-20 | 1988-04-19 | Kenji Yazawa | Magnetic recording medium |
-
1967
- 1967-07-28 FR FR116154A patent/FR1541019A/fr not_active Expired
-
1968
- 1968-07-15 NL NL6810014A patent/NL141006B/xx unknown
- 1968-07-19 GB GB1238866D patent/GB1238866A/en not_active Expired
- 1968-07-26 DE DE19681774609 patent/DE1774609C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1238866A (enrdf_load_stackoverflow) | 1971-07-14 |
| NL141006B (nl) | 1974-01-15 |
| NL6810014A (enrdf_load_stackoverflow) | 1969-01-30 |
| FR1541019A (fr) | 1968-10-04 |
| DE1774609A1 (de) | 1971-11-04 |
| DE1774609B2 (de) | 1974-07-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |