CN102473455B - 具有活性离子界面区的非易失性存储器 - Google Patents

具有活性离子界面区的非易失性存储器 Download PDF

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Publication number
CN102473455B
CN102473455B CN201080032408.7A CN201080032408A CN102473455B CN 102473455 B CN102473455 B CN 102473455B CN 201080032408 A CN201080032408 A CN 201080032408A CN 102473455 B CN102473455 B CN 102473455B
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CN
China
Prior art keywords
region
tunneling
metal
memory cell
barrier
Prior art date
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Expired - Fee Related
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CN201080032408.7A
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English (en)
Chinese (zh)
Other versions
CN102473455A (zh
Inventor
V·文努戈帕兰
S·马克斯
T·伟
B·穆拉里克利什南
J·印斯克
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Seagate Technology LLC
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Seagate Technology LLC
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Publication of CN102473455A publication Critical patent/CN102473455A/zh
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Expired - Fee Related legal-status Critical Current
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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/02Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using elements whose operation depends upon chemical change
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0007Digital 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 metal oxide memory material, e.g. perovskites
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/20Multistable switching devices, e.g. memristors
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/20Multistable switching devices, e.g. memristors
    • H10N70/24Multistable switching devices, e.g. memristors based on migration or redistribution of ionic species, e.g. anions, vacancies
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/20Multistable switching devices, e.g. memristors
    • H10N70/24Multistable switching devices, e.g. memristors based on migration or redistribution of ionic species, e.g. anions, vacancies
    • H10N70/245Multistable 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
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/801Constructional details of multistable switching devices
    • H10N70/821Device geometry
    • H10N70/826Device geometry adapted for essentially vertical current flow, e.g. sandwich or pillar type devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/801Constructional details of multistable switching devices
    • H10N70/841Electrodes
    • H10N70/8416Electrodes adapted for supplying ionic species
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/801Constructional details of multistable switching devices
    • H10N70/881Switching materials
    • H10N70/882Compounds of sulfur, selenium or tellurium, e.g. chalcogenides
    • H10N70/8822Sulfides, e.g. CuS
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/801Constructional details of multistable switching devices
    • H10N70/881Switching materials
    • H10N70/882Compounds of sulfur, selenium or tellurium, e.g. chalcogenides
    • H10N70/8828Tellurides, e.g. GeSbTe
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/801Constructional details of multistable switching devices
    • H10N70/881Switching materials
    • H10N70/883Oxides or nitrides
    • H10N70/8833Binary metal oxides, e.g. TaOx
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2213/00Indexing scheme relating to G11C13/00 for features not covered by this group
    • G11C2213/30Resistive cell, memory material aspects
    • G11C2213/31Material having complex metal oxide, e.g. perovskite structure
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2213/00Indexing scheme relating to G11C13/00 for features not covered by this group
    • G11C2213/30Resistive cell, memory material aspects
    • G11C2213/34Material includes an oxide or a nitride
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2213/00Indexing scheme relating to G11C13/00 for features not covered by this group
    • G11C2213/50Resistive cell structure aspects
    • G11C2213/54Structure including a tunneling barrier layer, the memory effect implying the modification of tunnel barrier conductivity
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2213/00Indexing scheme relating to G11C13/00 for features not covered by this group
    • G11C2213/50Resistive cell structure aspects
    • G11C2213/55Structure including two electrodes, a memory active layer and at least two other layers which can be a passive or source or reservoir layer or a less doped memory active layer

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Semiconductor Memories (AREA)
CN201080032408.7A 2009-07-13 2010-07-09 具有活性离子界面区的非易失性存储器 Expired - Fee Related CN102473455B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/501,689 US8421048B2 (en) 2009-07-13 2009-07-13 Non-volatile memory with active ionic interface region
US12/501,689 2009-07-13
PCT/US2010/041554 WO2011008653A1 (en) 2009-07-13 2010-07-09 Non-volatile memory with active ionic interface region

Publications (2)

Publication Number Publication Date
CN102473455A CN102473455A (zh) 2012-05-23
CN102473455B true CN102473455B (zh) 2015-10-14

Family

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CN201080032408.7A Expired - Fee Related CN102473455B (zh) 2009-07-13 2010-07-09 具有活性离子界面区的非易失性存储器

Country Status (5)

Country Link
US (1) US8421048B2 (enExample)
JP (1) JP5730869B2 (enExample)
KR (1) KR101323779B1 (enExample)
CN (1) CN102473455B (enExample)
WO (1) WO2011008653A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008024078A1 (de) * 2008-05-17 2009-12-17 Forschungszentrum Jülich GmbH Speicher sowie Verfahren zum Schreiben und Auslesen von Information in einem Speicher
US9142767B2 (en) 2011-09-16 2015-09-22 Micron Technology, Inc. Resistive memory cell including integrated select device and storage element
US9349445B2 (en) 2011-09-16 2016-05-24 Micron Technology, Inc. Select devices for memory cell applications
US8780607B2 (en) 2011-09-16 2014-07-15 Micron Technology, Inc. Select devices for memory cell applications
US9112138B2 (en) 2012-06-14 2015-08-18 Micron Technology, Inc. Methods of forming resistive memory elements
US9178143B2 (en) * 2013-07-29 2015-11-03 Industrial Technology Research Institute Resistive memory structure
US10665781B2 (en) 2016-03-31 2020-05-26 Intel Corporation Programmable metallization cell with alloy layer
WO2017171823A1 (en) 2016-03-31 2017-10-05 Intel Corporation Multilayer selector device with low holding voltage
KR20220099061A (ko) 2021-01-05 2022-07-12 에스케이하이닉스 주식회사 반도체 장치 및 반도체 장치의 동작 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060050598A1 (en) * 2004-09-03 2006-03-09 Darrell Rinerson Memory using variable tunnel barrier widths
WO2006029228A2 (en) * 2004-09-03 2006-03-16 Unity Semiconductor Corporation Memory using mixed valence conductive oxides
CN101256834A (zh) * 2006-11-28 2008-09-03 奇梦达北美公司 具有触发元件的存储单元

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6204139B1 (en) * 1998-08-25 2001-03-20 University Of Houston Method for switching the properties of perovskite materials used in thin film resistors
US8558211B2 (en) * 2006-03-30 2013-10-15 Nec Corporation Switching element and method for manufacturing switching element
US8766224B2 (en) * 2006-10-03 2014-07-01 Hewlett-Packard Development Company, L.P. Electrically actuated switch
JP5092355B2 (ja) * 2006-10-31 2012-12-05 ソニー株式会社 記憶装置
DE102008024078A1 (de) * 2008-05-17 2009-12-17 Forschungszentrum Jülich GmbH Speicher sowie Verfahren zum Schreiben und Auslesen von Information in einem Speicher

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060050598A1 (en) * 2004-09-03 2006-03-09 Darrell Rinerson Memory using variable tunnel barrier widths
WO2006029228A2 (en) * 2004-09-03 2006-03-16 Unity Semiconductor Corporation Memory using mixed valence conductive oxides
CN101256834A (zh) * 2006-11-28 2008-09-03 奇梦达北美公司 具有触发元件的存储单元

Also Published As

Publication number Publication date
KR101323779B1 (ko) 2013-10-31
JP2012533194A (ja) 2012-12-20
WO2011008653A1 (en) 2011-01-20
KR20120037482A (ko) 2012-04-19
US8421048B2 (en) 2013-04-16
US20110007544A1 (en) 2011-01-13
CN102473455A (zh) 2012-05-23
JP5730869B2 (ja) 2015-06-10

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Termination date: 20170709