KR20090076077A - 저항성 메모리 소자 - Google Patents
저항성 메모리 소자 Download PDFInfo
- Publication number
- KR20090076077A KR20090076077A KR1020080001823A KR20080001823A KR20090076077A KR 20090076077 A KR20090076077 A KR 20090076077A KR 1020080001823 A KR1020080001823 A KR 1020080001823A KR 20080001823 A KR20080001823 A KR 20080001823A KR 20090076077 A KR20090076077 A KR 20090076077A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- resistive memory
- memory device
- present
- storage node
- 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.)
- Ceased
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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
- H10N70/24—Multistable switching devices, e.g. memristors based on migration or redistribution of ionic species, e.g. anions, vacancies
- H10N70/245—Multistable switching devices, e.g. memristors based on migration or redistribution of ionic species, e.g. anions, vacancies the species being metal cations, e.g. programmable metallization cells
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0004—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements comprising amorphous/crystalline phase transition cells
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B63/00—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices
- H10B63/20—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices comprising selection components having two electrodes, e.g. diodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B63/00—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices
- H10B63/30—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices comprising selection components having three or more electrodes, e.g. transistors
-
- 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
- H10N70/801—Constructional details of multistable switching devices
- H10N70/821—Device geometry
- H10N70/826—Device geometry adapted for essentially vertical current flow, e.g. sandwich or pillar type 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
- H10N70/801—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
-
- 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
- H10N70/883—Oxides or nitrides
- H10N70/8833—Binary metal oxides, e.g. TaOx
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (5)
- 스위칭 구조체와 상기 스위칭 소자와 연결된 스토리지 노드를 포함하는 저항성 메모리 소자에 있어서,상기 스토리지 노드는,순차적으로 적층된 하부 전극,상기 하부 전극 상에 형성된 것으로, O, S, Se 또는 Te 중 적어도 어느 하나의 물질을 포함하는 제 1층;상기 제 1층 상에 형성된 것으로, Cu 또는 Ag 중 적어도 어느 하나의 물질이 포함되며 상기 제 1층보다 산화력이 약한 물질로 형성된 제 2층; 및상기 제 2층 상에 형성된 상부 전극;을 포함하는 저항성 메모리 소자.
- 제 1항에 있어서,상기 제 1층은 전이 금속 또는 란탄 계열 물질 중 적어도 어느 하나를 포함하는 저항성 메모리 소자.
- 제 1항에 있어서,상기 제 1층은 전이 금속 산화물을 포함하는 저항성 메모리 소자.
- 제 1항에 있어서,상기 제 2층은 GeTeCu를 포함하는 저항성 메모리 소자.
- 제 1항에 있어서,상기 스위칭 구조체는 다이오드 또는 트랜지스터인 저항성 메모리 소자.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080001823A KR20090076077A (ko) | 2008-01-07 | 2008-01-07 | 저항성 메모리 소자 |
| US12/314,835 US8106394B2 (en) | 2008-01-07 | 2008-12-17 | Multi-layer storage node, resistive random access memory device including a multi-layer storage node and methods of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080001823A KR20090076077A (ko) | 2008-01-07 | 2008-01-07 | 저항성 메모리 소자 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20090076077A true KR20090076077A (ko) | 2009-07-13 |
Family
ID=40930785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020080001823A Ceased KR20090076077A (ko) | 2008-01-07 | 2008-01-07 | 저항성 메모리 소자 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US8106394B2 (ko) |
| KR (1) | KR20090076077A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9855119B2 (en) | 2009-07-27 | 2018-01-02 | Osstemimplant Co., Ltd. | Dental implant fixture |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8259485B2 (en) | 2010-08-31 | 2012-09-04 | Hewlett-Packard Development Company, L.P. | Multilayer structures having memory elements with varied resistance of switching layers |
| JP2012182172A (ja) * | 2011-02-28 | 2012-09-20 | Sony Corp | 記憶素子および記憶装置 |
| JP5687978B2 (ja) * | 2011-09-14 | 2015-03-25 | ルネサスエレクトロニクス株式会社 | 抵抗変化型不揮発記憶装置、半導体装置及び抵抗変化型不揮発記憶装置の動作方法 |
| US20140077149A1 (en) * | 2012-09-14 | 2014-03-20 | Industrial Technology Research Institute | Resistance memory cell, resistance memory array and method of forming the same |
| CN111933795A (zh) * | 2020-08-19 | 2020-11-13 | 惠科股份有限公司 | 记忆体单元及其制造方法、记忆体阵列 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6638820B2 (en) * | 2001-02-08 | 2003-10-28 | Micron Technology, Inc. | Method of forming chalcogenide comprising devices, method of precluding diffusion of a metal into adjacent chalcogenide material, and chalcogenide comprising devices |
| US6709958B2 (en) * | 2001-08-30 | 2004-03-23 | Micron Technology, Inc. | Integrated circuit device and fabrication using metal-doped chalcogenide materials |
| US6890790B2 (en) * | 2002-06-06 | 2005-05-10 | Micron Technology, Inc. | Co-sputter deposition of metal-doped chalcogenides |
| US7163837B2 (en) * | 2002-08-29 | 2007-01-16 | Micron Technology, Inc. | Method of forming a resistance variable memory element |
| US7365411B2 (en) * | 2004-08-12 | 2008-04-29 | Micron Technology, Inc. | Resistance variable memory with temperature tolerant materials |
| JP4529654B2 (ja) * | 2004-11-15 | 2010-08-25 | ソニー株式会社 | 記憶素子及び記憶装置 |
| JP4815804B2 (ja) | 2005-01-11 | 2011-11-16 | ソニー株式会社 | 記憶素子及び記憶装置 |
| KR100701693B1 (ko) | 2005-05-26 | 2007-03-29 | 주식회사 하이닉스반도체 | 상변환 기억 소자 및 그의 제조방법 |
| US7304368B2 (en) * | 2005-08-11 | 2007-12-04 | Micron Technology, Inc. | Chalcogenide-based electrokinetic memory element and method of forming the same |
| US7635855B2 (en) * | 2005-11-15 | 2009-12-22 | Macronix International Co., Ltd. | I-shaped phase change memory cell |
| US7423282B2 (en) * | 2006-07-06 | 2008-09-09 | Infineon Technologies Ag | Memory structure and method of manufacture |
-
2008
- 2008-01-07 KR KR1020080001823A patent/KR20090076077A/ko not_active Ceased
- 2008-12-17 US US12/314,835 patent/US8106394B2/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9855119B2 (en) | 2009-07-27 | 2018-01-02 | Osstemimplant Co., Ltd. | Dental implant fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| US8106394B2 (en) | 2012-01-31 |
| US20090194764A1 (en) | 2009-08-06 |
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