WO1998013300A1 - Ferroelectric material, method of manufacturing the same, semiconductor memory, and method of manufacturing the same - Google Patents
Ferroelectric material, method of manufacturing the same, semiconductor memory, and method of manufacturing the same Download PDFInfo
- Publication number
- WO1998013300A1 WO1998013300A1 PCT/JP1997/003455 JP9703455W WO9813300A1 WO 1998013300 A1 WO1998013300 A1 WO 1998013300A1 JP 9703455 W JP9703455 W JP 9703455W WO 9813300 A1 WO9813300 A1 WO 9813300A1
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- Prior art keywords
- film
- ferroelectric
- substrate
- ferroelectric material
- source
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 82
- 239000000463 material Substances 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 93
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000001301 oxygen Substances 0.000 claims abstract description 55
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 55
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 52
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 41
- 230000003647 oxidation Effects 0.000 claims abstract description 15
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 15
- 238000001771 vacuum deposition Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 35
- 230000001590 oxidative effect Effects 0.000 claims description 21
- 238000001704 evaporation Methods 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 238000004544 sputter deposition Methods 0.000 claims description 14
- 229910045601 alloy Inorganic materials 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 13
- 238000000608 laser ablation Methods 0.000 claims description 13
- 230000008020 evaporation Effects 0.000 claims description 12
- 238000007738 vacuum evaporation Methods 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 6
- 230000008021 deposition Effects 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 3
- 241000283984 Rodentia Species 0.000 claims description 2
- 238000007740 vapor deposition Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 3
- 229910018663 Mn O Inorganic materials 0.000 claims 1
- 229920001897 terpolymer Polymers 0.000 claims 1
- 239000010408 film Substances 0.000 description 138
- 239000000203 mixture Substances 0.000 description 18
- 239000010409 thin film Substances 0.000 description 17
- 229910052727 yttrium Inorganic materials 0.000 description 14
- 239000003990 capacitor Substances 0.000 description 7
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- 150000002602 lanthanoids Chemical class 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 4
- 229910052691 Erbium Inorganic materials 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910009580 YMnO Inorganic materials 0.000 description 2
- 229910052769 Ytterbium Inorganic materials 0.000 description 2
- 229910009202 Y—Mn Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
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- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28194—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation by deposition, e.g. evaporation, ALD, CVD, sputtering, laser deposition
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G45/00—Compounds of manganese
- C01G45/12—Manganates manganites or permanganates
- C01G45/1221—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof
- C01G45/125—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof of the type[MnO3]n-, e.g. Li2MnO3, Li2[MxMn1-xO3], (La,Sr)MnO3
- C01G45/1264—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof of the type[MnO3]n-, e.g. Li2MnO3, Li2[MxMn1-xO3], (La,Sr)MnO3 containing rare earth, e.g. La1-xCaxMnO3, LaMnO3
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G47/00—Compounds of rhenium
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/0021—Reactive sputtering or evaporation
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
-
- 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
- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
- C30B23/02—Epitaxial-layer growth
-
- 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
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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
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- C30B29/22—Complex oxides
- C30B29/32—Titanates; Germanates; Molybdates; Tungstates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02197—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides the material having a perovskite structure, e.g. BaTiO3
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02266—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by physical ablation of a target, e.g. sputtering, reactive sputtering, physical vapour deposition or pulsed laser deposition
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/314—Inorganic layers
- H01L21/316—Inorganic layers composed of oxides or glassy oxides or oxide based glass
- H01L21/31691—Inorganic layers composed of oxides or glassy oxides or oxide based glass with perovskite structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
- H01L29/513—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures the variation being perpendicular to the channel plane
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/516—Insulating materials associated therewith with at least one ferroelectric layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/78391—Field effect transistors with field effect produced by an insulated gate the gate comprising a layer which is used for its ferroelectric properties
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B53/00—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors
- H10B53/30—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors characterised by the memory core region
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- General Chemical & Material Sciences (AREA)
- Non-Volatile Memory (AREA)
- Physical Vapour Deposition (AREA)
- Semiconductor Memories (AREA)
- Inorganic Insulating Materials (AREA)
- Formation Of Insulating Films (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/068,996 US6245451B1 (en) | 1996-09-27 | 1997-09-26 | Ferroelectric material, method of manufacturing the same, semiconductor memory, and method of manufacturing the same |
CA002238857A CA2238857C (en) | 1996-09-27 | 1997-09-26 | Ferroelectric material, method of manufacturing the same, semiconductor memory, and method of manufacturing the same |
DE69737283T DE69737283T2 (de) | 1996-09-27 | 1997-09-26 | Ferroelektrisches material, verfahren zu seiner herstellung, halbleiterspeicheranordnung und verfahren zu seiner herstellung |
EP97941264A EP0864537B1 (en) | 1996-09-27 | 1997-09-26 | Ferroelectric material, method of manufacturing the same, semiconductor memory, and method of manufacturing the same |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25601596A JP3966928B2 (ja) | 1996-09-27 | 1996-09-27 | 強誘電体材料の製法および半導体記憶装置 |
JP8256016A JPH10101430A (ja) | 1996-09-27 | 1996-09-27 | 強誘電体材料の製法および半導体記憶装置とその製法 |
JP8256017A JPH10101431A (ja) | 1996-09-27 | 1996-09-27 | 強誘電体材料の製法および半導体記憶装置とその製法 |
JP8/256017 | 1996-09-27 | ||
JP8/256016 | 1996-09-27 | ||
JP8/256015 | 1996-09-27 | ||
JP8/256014 | 1996-09-27 | ||
JP8256014A JPH10101428A (ja) | 1996-09-27 | 1996-09-27 | 強誘電体材料およびその製法ならびに半導体記憶装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998013300A1 true WO1998013300A1 (en) | 1998-04-02 |
Family
ID=27478383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/003455 WO1998013300A1 (en) | 1996-09-27 | 1997-09-26 | Ferroelectric material, method of manufacturing the same, semiconductor memory, and method of manufacturing the same |
Country Status (6)
Country | Link |
---|---|
US (1) | US6245451B1 (ja) |
EP (1) | EP0864537B1 (ja) |
KR (1) | KR100490518B1 (ja) |
CA (1) | CA2238857C (ja) |
DE (1) | DE69737283T2 (ja) |
WO (1) | WO1998013300A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6674110B2 (en) | 2001-03-02 | 2004-01-06 | Cova Technologies, Inc. | Single transistor ferroelectric memory cell, device and method for the formation of the same incorporating a high temperature ferroelectric gate dielectric |
US6825517B2 (en) | 2002-08-28 | 2004-11-30 | Cova Technologies, Inc. | Ferroelectric transistor with enhanced data retention |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3704258B2 (ja) * | 1998-09-10 | 2005-10-12 | 松下電器産業株式会社 | 薄膜形成方法 |
JP2004519864A (ja) * | 2000-08-24 | 2004-07-02 | コバ・テクノロジーズ・インコーポレイテッド | シングルトランジスタ希土類亜マンガン酸塩強誘電体不揮発性メモリセル |
US6714435B1 (en) | 2002-09-19 | 2004-03-30 | Cova Technologies, Inc. | Ferroelectric transistor for storing two data bits |
US6888736B2 (en) | 2002-09-19 | 2005-05-03 | Cova Technologies, Inc. | Ferroelectric transistor for storing two data bits |
TWI226377B (en) * | 2002-11-08 | 2005-01-11 | Ind Tech Res Inst | Dielectric material compositions |
US8256386B2 (en) * | 2009-01-08 | 2012-09-04 | Honda Motor Co., Ltd. | Saddle-ride vehicle |
US9378760B2 (en) | 2014-07-31 | 2016-06-28 | Seagate Technology Llc | Data reader with tuned microstructure |
EP3182048A1 (en) | 2015-12-16 | 2017-06-21 | Alfa Laval Corporate AB | Porthole gasket, assembly for a heat exchanger and heat exchanger comprising such an assembly |
US10615176B2 (en) | 2017-11-22 | 2020-04-07 | International Business Machine Corporation | Ferro-electric complementary FET |
KR102050034B1 (ko) | 2018-03-22 | 2019-11-28 | 서울대학교산학협력단 | 비휘발성 메모리 소자용 재료 및 이의 제조방법 |
Citations (5)
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---|---|---|---|---|
JPH05255838A (ja) * | 1992-03-12 | 1993-10-05 | Mitsubishi Electric Corp | 酸化物薄膜形成方法及びその装置 |
JPH08109099A (ja) * | 1994-08-17 | 1996-04-30 | Tdk Corp | 酸化物薄膜、電子デバイス用基板および酸化物薄膜の形成方法 |
JPH08162614A (ja) * | 1994-12-01 | 1996-06-21 | Tdk Corp | Misキャパシタおよびその製造方法 |
JPH0963991A (ja) * | 1995-08-25 | 1997-03-07 | Tdk Corp | 強誘電体薄膜、電子デバイスおよび強誘電体薄膜の製造方法 |
JPH09198729A (ja) * | 1995-11-17 | 1997-07-31 | Tdk Corp | 記録媒体およびその製造方法ならびに情報処理装置 |
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US3884837A (en) * | 1973-07-02 | 1975-05-20 | Bell Telephone Labor Inc | Catalyst containing a perovskite-like manganite |
US5487356A (en) * | 1992-08-07 | 1996-01-30 | Advanced Technology Materials, Inc. | Chemical vapor deposition method of growing oxide films with giant magnetoresistance |
DE4310318C2 (de) * | 1993-03-30 | 1998-12-03 | Siemens Ag | Verwendung eines Materials mit perowskitähnlicher Kristallstruktur und erhöhtem magnetoresistiven Effekt sowie Verfahren zur Herstellung des Materials |
DE4323821A1 (de) * | 1993-07-15 | 1995-01-19 | Siemens Ag | Pyrodetektorelement mit orientiert aufgewachsener pyroelektrischer Schicht und Verfahren zu seiner Herstellung |
JP2685721B2 (ja) * | 1994-11-04 | 1997-12-03 | 工業技術院長 | 無粒界型マンガン酸化物系結晶体及びスイッチング型磁気抵抗素子 |
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1997
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- 1997-09-26 US US09/068,996 patent/US6245451B1/en not_active Expired - Fee Related
- 1997-09-26 KR KR10-1998-0703890A patent/KR100490518B1/ko not_active IP Right Cessation
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JPH05255838A (ja) * | 1992-03-12 | 1993-10-05 | Mitsubishi Electric Corp | 酸化物薄膜形成方法及びその装置 |
JPH08109099A (ja) * | 1994-08-17 | 1996-04-30 | Tdk Corp | 酸化物薄膜、電子デバイス用基板および酸化物薄膜の形成方法 |
JPH08162614A (ja) * | 1994-12-01 | 1996-06-21 | Tdk Corp | Misキャパシタおよびその製造方法 |
JPH0963991A (ja) * | 1995-08-25 | 1997-03-07 | Tdk Corp | 強誘電体薄膜、電子デバイスおよび強誘電体薄膜の製造方法 |
JPH09198729A (ja) * | 1995-11-17 | 1997-07-31 | Tdk Corp | 記録媒体およびその製造方法ならびに情報処理装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6674110B2 (en) | 2001-03-02 | 2004-01-06 | Cova Technologies, Inc. | Single transistor ferroelectric memory cell, device and method for the formation of the same incorporating a high temperature ferroelectric gate dielectric |
US6908772B2 (en) | 2001-03-02 | 2005-06-21 | Cova Technologies, Inc. | Single transistor ferroelectric memory cell, device and method for the formation of the same incorporating a high temperature ferroelectric gate dielectric |
US6825517B2 (en) | 2002-08-28 | 2004-11-30 | Cova Technologies, Inc. | Ferroelectric transistor with enhanced data retention |
Also Published As
Publication number | Publication date |
---|---|
CA2238857C (en) | 2002-11-19 |
EP0864537A4 (en) | 2001-07-11 |
DE69737283D1 (de) | 2007-03-15 |
EP0864537A1 (en) | 1998-09-16 |
KR100490518B1 (ko) | 2005-09-09 |
KR19990071614A (ko) | 1999-09-27 |
US6245451B1 (en) | 2001-06-12 |
DE69737283T2 (de) | 2007-11-15 |
CA2238857A1 (en) | 1998-04-02 |
EP0864537B1 (en) | 2007-01-24 |
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