JP2011243980A - カルコゲニド含有デバイス用電極の形成方法 - Google Patents
カルコゲニド含有デバイス用電極の形成方法 Download PDFInfo
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- JP2011243980A JP2011243980A JP2011103402A JP2011103402A JP2011243980A JP 2011243980 A JP2011243980 A JP 2011243980A JP 2011103402 A JP2011103402 A JP 2011103402A JP 2011103402 A JP2011103402 A JP 2011103402A JP 2011243980 A JP2011243980 A JP 2011243980A
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- Prior art keywords
- metal
- electrode layer
- chalcogenide
- nitrogen
- layer
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- 150000004770 chalcogenides Chemical class 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 55
- 239000002184 metal Substances 0.000 claims abstract description 55
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 50
- 230000015654 memory Effects 0.000 claims abstract description 40
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 150000004767 nitrides Chemical class 0.000 claims abstract description 10
- 125000004433 nitrogen atom Chemical group N* 0.000 claims abstract 4
- 125000004429 atom Chemical group 0.000 claims abstract 3
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract 3
- 229910021332 silicide Inorganic materials 0.000 claims description 8
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 7
- 238000004544 sputter deposition Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 34
- 230000009257 reactivity Effects 0.000 abstract description 6
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- 239000010703 silicon Substances 0.000 abstract description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 18
- 239000010408 film Substances 0.000 description 10
- 229910052786 argon Inorganic materials 0.000 description 9
- 150000002739 metals Chemical class 0.000 description 6
- 239000007789 gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910021341 titanium silicide Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/20—Multistable switching devices, e.g. memristors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/011—Manufacture or treatment of multistable switching devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/011—Manufacture or treatment of multistable switching devices
- H10N70/061—Shaping switching materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/20—Multistable switching devices, e.g. memristors
- H10N70/231—Multistable switching devices, e.g. memristors based on solid-state phase change, e.g. between amorphous and crystalline phases, Ovshinsky effect
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/801—Constructional details of multistable switching devices
- H10N70/841—Electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/801—Constructional details of multistable switching devices
- H10N70/881—Switching materials
- H10N70/882—Compounds of sulfur, selenium or tellurium, e.g. chalcogenides
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/801—Constructional details of multistable switching devices
- H10N70/881—Switching materials
- H10N70/882—Compounds of sulfur, selenium or tellurium, e.g. chalcogenides
- H10N70/8828—Tellurides, e.g. GeSbTe
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
Abstract
【解決手段】相変化メモリ電極は金属と非金属の混合物によって形成することができ、電極は金属原子よりも少ない窒素原子を持つ。それゆえ、いくつかの実施形態において、少なくとも電極の一部は金属窒化物における場合よりも少ない窒素を持つ。混合物は、2つの例として、金属と窒素、または金属とケイ素を含有することができる。このような物質は、金属窒化物の場合よりも低い活性を持つカルコゲニドに対して良好な接着性を持つことができる。
【選択図】なし
Description
前記金属窒化物及び前記電極層は、同じ金属を含有することを特徴とする請求項17に記載の相変化メモリ。
Claims (20)
- カルコゲニド層と、
金属及び非金属からなる混合物を含有する電極層とを具備してなり、
前記電極層は金属原子よりも少ない窒素原子を持つことを特徴とする装置デバイス。 - 前記電極層は、窒素原子を含むことを特徴とする請求項1に記載の装置デバイス。
- 前記電極層は、30〜40原子%の窒素を含むことを特徴とする請求項2に記載の装置デバイス。
- 前記電極層は、シリサイドを含むことを特徴とする請求項1に記載の装置デバイス。
- 前記電極層は、窒素を含むことを特徴とする請求項4に記載の装置デバイス。
- 前記カルコゲニド層は、メモリ素子の一部であることを特徴とする請求項1に記載の装置デバイス。
- 前記カルコゲニド層は、オボニック閾値スイッチの一部であることを特徴とする請求項1に記載の装置デバイス。
- 金属層及び前記カルコゲニド層が、前記電極層を挟持してなることを特徴とする請求項1に記載の装置デバイス。
- 金属及び非金属からなる混合物を含有する電極層を持つカルコゲニド含有デバイスを形成する工程を具備してなり、
前記電極層は金属原子よりも少ない窒素原子を持つことを特徴とする方法。 - スパッタリングによって前記電極層を形成する工程を含むことを特徴とする請求項9に記載の方法。
- カルコゲニド層の上に前記電極層をスパッタする工程を含むことを特徴とする請求項10に記載の方法。
- 相変化メモリを形成する工程を含むことを特徴とする請求項9に記載の方法。
- オボニック閾値スイッチを形成する工程を含むことを特徴とする請求項9に記載の方法。
- 30〜40原子%の窒素を含有する電極層を形成する工程を含むことを特徴とする請求項9に記載の方法。
- 前記電極層をシリサイドから形成する工程を含むことを特徴とする請求項9に記載の方法。
- 前記電極層を、金属層及びカルコゲニド層の間に挟むように形成すること特徴とする請求項9に記載の方法。
- 少なくとも一方が金属窒化物及び窒素を含有する電極層を備える一対の電極と、
前記電極間に設けられたカルコゲニド層とを具備してなり、
前記電極層は50原子%未満の窒素を含有することを特徴とする相変化メモリ。 - 前記カルコゲニド層を挟持している一対の電極層を具備し、
各前記電極層は50原子%未満の窒素を含有することを特徴とする請求項17に記載の相変化メモリ。 - 前記電極層は、30〜40原子%の窒素を含有することを特徴とする請求項17に記載の相変化メモリ。
- 前記金属窒化物及び前記電極層は、同じ金属を含有することを特徴とする請求項17に記載の相変化メモリ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/777,419 | 2010-05-11 | ||
US12/777,419 US8828788B2 (en) | 2010-05-11 | 2010-05-11 | Forming electrodes for chalcogenide containing devices |
Publications (2)
Publication Number | Publication Date |
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JP2011243980A true JP2011243980A (ja) | 2011-12-01 |
JP5689737B2 JP5689737B2 (ja) | 2015-03-25 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011103402A Active JP5689737B2 (ja) | 2010-05-11 | 2011-05-06 | カルコゲニド含有デバイス用電極の形成方法 |
Country Status (6)
Country | Link |
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US (1) | US8828788B2 (ja) |
JP (1) | JP5689737B2 (ja) |
KR (1) | KR101361330B1 (ja) |
CN (1) | CN102244195A (ja) |
DE (1) | DE102011101192A1 (ja) |
TW (1) | TWI484678B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014103577A1 (ja) * | 2012-12-26 | 2014-07-03 | ソニー株式会社 | 記憶装置およびその製造方法 |
JP2016540370A (ja) * | 2013-11-07 | 2016-12-22 | インテル・コーポレーション | 相変化メモリセル、ソリッドステートメモリ、及びそれらの製造方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102079602B1 (ko) * | 2013-12-05 | 2020-02-21 | 에스케이하이닉스 주식회사 | 전자 장치 및 그 제조 방법 |
US20150171260A1 (en) * | 2013-12-17 | 2015-06-18 | Intermolecular Inc. | Low Resistivity Nitrogen-Doped Zinc Telluride and Methods for Forming the Same |
US9299747B1 (en) * | 2014-11-24 | 2016-03-29 | Intel Corporation | Electrode configurations to increase electro-thermal isolation of phase-change memory elements and associated techniques |
US9741930B2 (en) | 2015-03-27 | 2017-08-22 | Intel Corporation | Materials and components in phase change memory devices |
US10134470B2 (en) | 2015-11-04 | 2018-11-20 | Micron Technology, Inc. | Apparatuses and methods including memory and operation of same |
CN105293451B (zh) * | 2015-11-06 | 2018-02-06 | 成都先锋材料有限公司 | 非平衡态硫族化合物、薄膜及其制备方法 |
US10446226B2 (en) | 2016-08-08 | 2019-10-15 | Micron Technology, Inc. | Apparatuses including multi-level memory cells and methods of operation of same |
KR102591098B1 (ko) * | 2018-03-29 | 2023-10-17 | 연세대학교 산학협력단 | 강유전성 구조체를 이용한 비휘발성 메모리 소자 |
US10892406B2 (en) | 2018-06-04 | 2021-01-12 | Intel Corporation | Phase change memory structures and devices |
US10985316B2 (en) * | 2018-09-27 | 2021-04-20 | Taiwan Semiconductor Manufacturing Co., Ltd. | Bottom electrode structure in memory device |
WO2020082023A1 (en) * | 2018-10-18 | 2020-04-23 | Jingbiao Cui | Si2t3 resistive memory |
US10903422B2 (en) * | 2019-04-11 | 2021-01-26 | International Business Machines Corporation | Vertically oriented memory structure |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11510317A (ja) * | 1995-07-25 | 1999-09-07 | エナージー コンバーション デバイセス インコーポレイテッド | 電気的に消去可能で直接上書き可能な複数ビット単一セル記憶素子及びそれらで作製されるアレイ |
JPH11514150A (ja) * | 1995-10-24 | 1999-11-30 | エナージー コンバーション デバイセス インコーポレイテッド | 論理装置上の第2層位相変化メモリアレイ |
JP2000509204A (ja) * | 1996-04-19 | 2000-07-18 | エナージー コンバーション デバイセス インコーポレイテッド | テーパード・コンタクトを有するマルチビット単一セルメモリ |
US20060278900A1 (en) * | 2004-12-30 | 2006-12-14 | Stmicroelectronics S.R.I. | Phase change memory device having an adhesion layer and manufacturing process thereof |
JP2007243180A (ja) * | 2006-03-07 | 2007-09-20 | Internatl Business Mach Corp <Ibm> | 相変化メモリ・デバイスのための電極、電極を形成する方法、および相変化メモリ・デバイス |
JP2010503194A (ja) * | 2006-08-31 | 2010-01-28 | アイメック | 抵抗スイッチングデバイスの製造方法および該方法で得られるデバイス |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6563164B2 (en) * | 2000-09-29 | 2003-05-13 | Ovonyx, Inc. | Compositionally modified resistive electrode |
US6809362B2 (en) * | 2002-02-20 | 2004-10-26 | Micron Technology, Inc. | Multiple data state memory cell |
AU2002248493A1 (en) | 2002-02-22 | 2003-09-09 | Intel Corporation | Dual trench isolation for a phase-change memory cell and method of making same |
KR100626381B1 (ko) * | 2004-07-19 | 2006-09-20 | 삼성전자주식회사 | 상변화 기억 소자 및 그 형성 방법 |
US7317200B2 (en) * | 2005-02-23 | 2008-01-08 | Micron Technology, Inc. | SnSe-based limited reprogrammable cell |
US7426128B2 (en) * | 2005-07-11 | 2008-09-16 | Sandisk 3D Llc | Switchable resistive memory with opposite polarity write pulses |
KR100681266B1 (ko) * | 2005-07-25 | 2007-02-09 | 삼성전자주식회사 | 가변 저항 구조물의 제조 방법 및 이를 이용한 상변화메모리 장치의 제조 방법 |
US7473950B2 (en) | 2006-06-07 | 2009-01-06 | Ovonyx, Inc. | Nitrogenated carbon electrode for chalcogenide device and method of making same |
KR101394263B1 (ko) * | 2008-02-19 | 2014-05-14 | 삼성전자주식회사 | 비휘발성 기억 소자 및 그 형성 방법 |
US7936593B2 (en) * | 2008-04-08 | 2011-05-03 | Ovonyx, Inc. | Reducing drift in chalcogenide devices |
KR101620638B1 (ko) | 2009-09-29 | 2016-05-13 | 주식회사 포스코 | 증착물질의 증발율 측정 장치 |
-
2010
- 2010-05-11 US US12/777,419 patent/US8828788B2/en active Active
-
2011
- 2011-05-06 JP JP2011103402A patent/JP5689737B2/ja active Active
- 2011-05-11 KR KR1020110044224A patent/KR101361330B1/ko active IP Right Grant
- 2011-05-11 TW TW100116569A patent/TWI484678B/zh active
- 2011-05-11 DE DE201110101192 patent/DE102011101192A1/de not_active Withdrawn
- 2011-05-11 CN CN2011101246876A patent/CN102244195A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11510317A (ja) * | 1995-07-25 | 1999-09-07 | エナージー コンバーション デバイセス インコーポレイテッド | 電気的に消去可能で直接上書き可能な複数ビット単一セル記憶素子及びそれらで作製されるアレイ |
JPH11514150A (ja) * | 1995-10-24 | 1999-11-30 | エナージー コンバーション デバイセス インコーポレイテッド | 論理装置上の第2層位相変化メモリアレイ |
JP2000509204A (ja) * | 1996-04-19 | 2000-07-18 | エナージー コンバーション デバイセス インコーポレイテッド | テーパード・コンタクトを有するマルチビット単一セルメモリ |
US20060278900A1 (en) * | 2004-12-30 | 2006-12-14 | Stmicroelectronics S.R.I. | Phase change memory device having an adhesion layer and manufacturing process thereof |
JP2007243180A (ja) * | 2006-03-07 | 2007-09-20 | Internatl Business Mach Corp <Ibm> | 相変化メモリ・デバイスのための電極、電極を形成する方法、および相変化メモリ・デバイス |
JP2010503194A (ja) * | 2006-08-31 | 2010-01-28 | アイメック | 抵抗スイッチングデバイスの製造方法および該方法で得られるデバイス |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014103577A1 (ja) * | 2012-12-26 | 2014-07-03 | ソニー株式会社 | 記憶装置およびその製造方法 |
KR20150101997A (ko) * | 2012-12-26 | 2015-09-04 | 소니 주식회사 | 기억 장치 및 그 제조 방법 |
JPWO2014103577A1 (ja) * | 2012-12-26 | 2017-01-12 | ソニーセミコンダクタソリューションズ株式会社 | 記憶装置およびその製造方法 |
US10186658B2 (en) | 2012-12-26 | 2019-01-22 | Sony Semiconductor Solutions Corporation | Memory device and method of manufacturing memory device |
KR102166506B1 (ko) * | 2012-12-26 | 2020-10-15 | 소니 세미컨덕터 솔루션즈 가부시키가이샤 | 기억 장치 및 그 제조 방법 |
JP2016540370A (ja) * | 2013-11-07 | 2016-12-22 | インテル・コーポレーション | 相変化メモリセル、ソリッドステートメモリ、及びそれらの製造方法 |
US9716226B2 (en) | 2013-11-07 | 2017-07-25 | Intel Corporation | Electrode materials and interface layers to minimize chalcogenide interface resistance |
Also Published As
Publication number | Publication date |
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US20110278531A1 (en) | 2011-11-17 |
DE102011101192A1 (de) | 2011-12-15 |
TWI484678B (zh) | 2015-05-11 |
DE102011101192A8 (de) | 2012-04-05 |
JP5689737B2 (ja) | 2015-03-25 |
KR101361330B1 (ko) | 2014-02-10 |
US8828788B2 (en) | 2014-09-09 |
KR20110124731A (ko) | 2011-11-17 |
CN102244195A (zh) | 2011-11-16 |
TW201210100A (en) | 2012-03-01 |
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