CN102693837B - 一种具有周期叠层铁电薄膜的电容及其制备方法 - Google Patents
一种具有周期叠层铁电薄膜的电容及其制备方法 Download PDFInfo
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- CN102693837B CN102693837B CN201110070503.2A CN201110070503A CN102693837B CN 102693837 B CN102693837 B CN 102693837B CN 201110070503 A CN201110070503 A CN 201110070503A CN 102693837 B CN102693837 B CN 102693837B
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- 150000002505 iron Chemical class 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title abstract description 23
- 239000010408 film Substances 0.000 claims abstract description 49
- 239000010409 thin film Substances 0.000 claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 46
- 229910002367 SrTiO Inorganic materials 0.000 claims abstract description 36
- 238000010276 construction Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000000737 periodic effect Effects 0.000 claims abstract description 22
- 230000004888 barrier function Effects 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 239000010703 silicon Substances 0.000 claims description 16
- 239000010936 titanium Substances 0.000 claims description 16
- 235000012239 silicon dioxide Nutrition 0.000 claims description 14
- 239000000377 silicon dioxide Substances 0.000 claims description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 22
- 238000005516 engineering process Methods 0.000 abstract description 18
- 239000003990 capacitor Substances 0.000 abstract description 16
- 238000000137 annealing Methods 0.000 abstract description 10
- 239000004065 semiconductor Substances 0.000 abstract description 7
- 238000004377 microelectronic Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 62
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 62
- 229910052454 barium strontium titanate Inorganic materials 0.000 description 60
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 45
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 40
- 229910052712 strontium Inorganic materials 0.000 description 38
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 38
- 239000002243 precursor Substances 0.000 description 36
- 238000004528 spin coating Methods 0.000 description 28
- ITHZDDVSAWDQPZ-UHFFFAOYSA-L barium acetate Chemical compound [Ba+2].CC([O-])=O.CC([O-])=O ITHZDDVSAWDQPZ-UHFFFAOYSA-L 0.000 description 23
- RXSHXLOMRZJCLB-UHFFFAOYSA-L strontium;diacetate Chemical compound [Sr+2].CC([O-])=O.CC([O-])=O RXSHXLOMRZJCLB-UHFFFAOYSA-L 0.000 description 23
- 238000003756 stirring Methods 0.000 description 20
- 239000007772 electrode material Substances 0.000 description 10
- 229920001223 polyethylene glycol Polymers 0.000 description 10
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 description 9
- 238000001914 filtration Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 238000000197 pyrolysis Methods 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- 229910052788 barium Inorganic materials 0.000 description 5
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 5
- 238000005352 clarification Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 238000009938 salting Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004549 pulsed laser deposition Methods 0.000 description 1
- 230000005616 pyroelectricity Effects 0.000 description 1
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Abstract
Description
Claims (4)
Priority Applications (1)
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CN201110070503.2A CN102693837B (zh) | 2011-03-23 | 2011-03-23 | 一种具有周期叠层铁电薄膜的电容及其制备方法 |
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CN201110070503.2A CN102693837B (zh) | 2011-03-23 | 2011-03-23 | 一种具有周期叠层铁电薄膜的电容及其制备方法 |
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CN102693837A CN102693837A (zh) | 2012-09-26 |
CN102693837B true CN102693837B (zh) | 2015-11-18 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106229384B (zh) * | 2016-09-14 | 2017-07-14 | 绍兴文理学院 | 一种氮掺杂超晶格金属氧化物薄膜材料的制备方法 |
WO2021184171A1 (zh) * | 2020-03-17 | 2021-09-23 | 华为技术有限公司 | 一种多层薄膜制备方法及多层薄膜 |
CN112259374A (zh) * | 2020-09-16 | 2021-01-22 | 华南理工大学 | 一种bst基多层介电增强薄膜及其制备方法 |
CN113690050B (zh) * | 2021-06-30 | 2023-06-20 | 中国科学院深圳先进技术研究院 | 可同时提高储能密度与储能效率的层状复合弛豫铁电材料及其制备方法 |
CN116313516B (zh) * | 2023-04-21 | 2024-01-26 | 河北鼎瓷电子科技有限公司 | 一种高击穿电压陶瓷电容器及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1266912A (zh) * | 1999-03-10 | 2000-09-20 | 中国科学院物理研究所 | 一种新结构多性能BaTiO3超晶格材料 |
CN1347577A (zh) * | 1999-04-13 | 2002-05-01 | 艾利森电话股份有限公司 | 可调谐微波设备 |
CN101159271A (zh) * | 2007-11-16 | 2008-04-09 | 华中科技大学 | 一种铁电存储器用铁电薄膜电容及其制备方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1266912A (zh) * | 1999-03-10 | 2000-09-20 | 中国科学院物理研究所 | 一种新结构多性能BaTiO3超晶格材料 |
CN1347577A (zh) * | 1999-04-13 | 2002-05-01 | 艾利森电话股份有限公司 | 可调谐微波设备 |
CN101159271A (zh) * | 2007-11-16 | 2008-04-09 | 华中科技大学 | 一种铁电存储器用铁电薄膜电容及其制备方法 |
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