CN102142444B - 一种不挥发信息存储单元 - Google Patents
一种不挥发信息存储单元 Download PDFInfo
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- CN102142444B CN102142444B CN201010605698A CN201010605698A CN102142444B CN 102142444 B CN102142444 B CN 102142444B CN 201010605698 A CN201010605698 A CN 201010605698A CN 201010605698 A CN201010605698 A CN 201010605698A CN 102142444 B CN102142444 B CN 102142444B
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- CN
- China
- Prior art keywords
- oxide
- prepared
- volatile information
- ferroelectric material
- memory cell
- 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.)
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- 239000000463 material Substances 0.000 claims abstract description 48
- 239000004065 semiconductor Substances 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000007769 metal material Substances 0.000 claims abstract description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 18
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 14
- 229910052451 lead zirconate titanate Inorganic materials 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229910052741 iridium Inorganic materials 0.000 claims description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- VNSWULZVUKFJHK-UHFFFAOYSA-N [Sr].[Bi] Chemical compound [Sr].[Bi] VNSWULZVUKFJHK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 2
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 2
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 2
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 2
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 2
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 2
- 229910001925 ruthenium oxide Inorganic materials 0.000 claims description 2
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 claims description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 2
- 229910001887 tin oxide Inorganic materials 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 9
- 238000002425 crystallisation Methods 0.000 abstract description 7
- 230000008025 crystallization Effects 0.000 abstract description 7
- 230000010287 polarization Effects 0.000 abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000001259 photo etching Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000004549 pulsed laser deposition Methods 0.000 description 1
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Abstract
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Claims (4)
Priority Applications (1)
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CN201010605698A CN102142444B (zh) | 2010-12-15 | 2010-12-15 | 一种不挥发信息存储单元 |
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CN201010605698A CN102142444B (zh) | 2010-12-15 | 2010-12-15 | 一种不挥发信息存储单元 |
Publications (2)
Publication Number | Publication Date |
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CN102142444A CN102142444A (zh) | 2011-08-03 |
CN102142444B true CN102142444B (zh) | 2012-09-05 |
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CN201010605698A Expired - Fee Related CN102142444B (zh) | 2010-12-15 | 2010-12-15 | 一种不挥发信息存储单元 |
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CN (1) | CN102142444B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103236497B (zh) * | 2013-04-25 | 2015-10-28 | 桂林电子科技大学 | 一种基于钛酸铋的阻变存储器及其制备方法 |
CN103337250A (zh) * | 2013-07-03 | 2013-10-02 | 南京大学 | 一种非挥发阻变存储器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1108816A (zh) * | 1993-12-23 | 1995-09-20 | 菲利浦电子有限公司 | 具有肖特基隧道势垒的带存储器的开关元件 |
US5491102A (en) * | 1992-04-13 | 1996-02-13 | Ceram Incorporated | Method of forming multilayered electrodes for ferroelectric devices consisting of conductive layers and interlayers formed by chemical reaction |
US5579258A (en) * | 1991-11-28 | 1996-11-26 | Olympus Optical Co., Ltd. | Ferroelectric memory |
CN1164295A (zh) * | 1994-11-18 | 1997-11-05 | 贝尔通讯研究股份有限公司 | 使用混合电极的多晶铁电电容器异质结构 |
-
2010
- 2010-12-15 CN CN201010605698A patent/CN102142444B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5579258A (en) * | 1991-11-28 | 1996-11-26 | Olympus Optical Co., Ltd. | Ferroelectric memory |
US5491102A (en) * | 1992-04-13 | 1996-02-13 | Ceram Incorporated | Method of forming multilayered electrodes for ferroelectric devices consisting of conductive layers and interlayers formed by chemical reaction |
CN1108816A (zh) * | 1993-12-23 | 1995-09-20 | 菲利浦电子有限公司 | 具有肖特基隧道势垒的带存储器的开关元件 |
CN1164295A (zh) * | 1994-11-18 | 1997-11-05 | 贝尔通讯研究股份有限公司 | 使用混合电极的多晶铁电电容器异质结构 |
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CN102142444A (zh) | 2011-08-03 |
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