JP5196954B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP5196954B2 JP5196954B2 JP2007283208A JP2007283208A JP5196954B2 JP 5196954 B2 JP5196954 B2 JP 5196954B2 JP 2007283208 A JP2007283208 A JP 2007283208A JP 2007283208 A JP2007283208 A JP 2007283208A JP 5196954 B2 JP5196954 B2 JP 5196954B2
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- film
- insulating film
- region
- semiconductor device
- silicon oxide
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- 239000004065 semiconductor Substances 0.000 title claims description 76
- 238000004519 manufacturing process Methods 0.000 title claims description 36
- 238000000034 method Methods 0.000 claims description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 42
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 42
- 229910052735 hafnium Inorganic materials 0.000 claims description 34
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 22
- 229910052710 silicon Inorganic materials 0.000 claims description 22
- 239000010703 silicon Substances 0.000 claims description 22
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 10
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 10
- 229910052726 zirconium Inorganic materials 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 27
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 26
- 239000010410 layer Substances 0.000 description 20
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 20
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 15
- 150000004767 nitrides Chemical class 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 8
- 229910052746 lanthanum Inorganic materials 0.000 description 8
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 8
- 239000002344 surface layer Substances 0.000 description 7
- VYBYZVVRYQDCGQ-UHFFFAOYSA-N alumane;hafnium Chemical compound [AlH3].[Hf] VYBYZVVRYQDCGQ-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910004129 HfSiO Inorganic materials 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- VZVQQBDFMNEUHK-UHFFFAOYSA-N [La].[Hf] Chemical compound [La].[Hf] VZVQQBDFMNEUHK-UHFFFAOYSA-N 0.000 description 4
- 238000000137 annealing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000033444 hydroxylation Effects 0.000 description 4
- 238000005805 hydroxylation reaction Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 238000005121 nitriding Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 238000005240 physical vapour deposition Methods 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001020 plasma etching Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- INIGCWGJTZDVRY-UHFFFAOYSA-N hafnium zirconium Chemical compound [Zr].[Hf] INIGCWGJTZDVRY-UHFFFAOYSA-N 0.000 description 1
- KQHQLIAOAVMAOW-UHFFFAOYSA-N hafnium(4+) oxygen(2-) zirconium(4+) Chemical compound [O--].[O--].[O--].[O--].[Zr+4].[Hf+4] KQHQLIAOAVMAOW-UHFFFAOYSA-N 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910003468 tantalcarbide Inorganic materials 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0181—Manufacturing their gate insulating layers
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- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
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Description
H. N. Alshareef et al., VLSI Technology Symposium, p.10 (2006) K. L. Lee et al., VLSI Technology Symposium, p.202 (2006)
n型およびp型のMISFETを備える半導体装置の製造方法であって、 前記n型のM
ISFETが形成される第1の領域と、前記p型のMISFETが形成される第2の領域
とを有する基板の表面に第1のシリコン酸化膜またはシリコン酸窒化膜を形成する工程と
、
前記第1のシリコン酸化膜またはシリコン酸窒化膜に接するようにアルミニウムを含む
第1の絶縁膜を全面に形成する工程と、
前記第1の絶縁膜と、前記第1のシリコン酸化膜またはシリコン酸窒化膜とを前記第1
の領域で選択的に除去する工程と、
前記基板の表面の前記第1の領域に第2のシリコン酸化膜またはシリコン酸窒化膜を形
成する工程と、
前記第2のシリコン酸化膜またはシリコン酸窒化膜、および前記第1の絶縁膜に接する
ように、希土類元素または第2族元素、および、ハフニウムまたはジルコニウムを含む第
2の絶縁膜を全面に形成する工程と、
を備え、
前記第2の絶縁膜を全面に形成する工程は、
ハフニウムまたはジルコニウムを含む絶縁膜を全面に形成する工程と、
前記ハフニウムまたはジルコニウムを含む絶縁膜上に希土類元素または第2族元素を含
む層を形成する工程と、
を含むことを特徴とする半導体装置の製造方法が提供される。
(A)半導体装置
図1は、本発明の第1の実施の形態による半導体装置の概略構成を示す略示断面図である。同図に示す半導体装置1は、STI(Shallow Trench Insulator)で形成された素子分離絶縁膜100で素子分離がされたp型半導体基板Sの表面の第1の領域AR1に形成されたnMOSと、第2の領域AR2に形成されたpMOSとを備える。これらのnMOSおよびpMOSは、本実施形態において、例えば第1導電型の第1のMISFETおよび第2導電型の第2のMISFETにそれぞれ対応する。
次に、図1に示す半導体装置の製造方法について図2乃至図14を参照しながら説明する。
(A)半導体装置
上述したゲートスタック構造は、nMOSとpMOSとで逆の関係となっても同一の効果を奏することができる。このような形態を第2の実施の形態として説明する。
次に、図13に示す半導体装置3の製造方法について図14乃至図22を参照しながら説明する。
2,6シリコン酸化膜
4:アルミニウム酸化(Al2O3)膜
8:窒化ハフニウムシリケイト(HfSiON)膜
10:窒化ハフニウムランタンシリケイト(HfLaSiON)膜
12:ランタン酸化(La2O3)膜
40:窒化ハフニウムアルミニウムシリケイト(HfAlSiON)膜
24:酸化ランタン(La2O3)膜
32:
80:nウェル
82:p型不純物拡散層
90:pウェル
92:n型不純物拡散層
AR1:第1の領域
AR2:第2の領域
G1,G2:ゲート電極
S:p型半導体基板
Claims (2)
- n型およびp型のMISFETを備える半導体装置の製造方法であって、 前記n型の
MISFETが形成される第1の領域と、前記p型のMISFETが形成される第2の領
域とを有する基板の表面に第1のシリコン酸化膜またはシリコン酸窒化膜を形成する工程
と、
前記第1のシリコン酸化膜またはシリコン酸窒化膜に接するようにアルミニウムを含む
第1の絶縁膜を全面に形成する工程と、
前記第1の絶縁膜と、前記第1のシリコン酸化膜またはシリコン酸窒化膜とを前記第1
の領域で選択的に除去する工程と、
前記基板の表面の前記第1の領域に第2のシリコン酸化膜またはシリコン酸窒化膜を形
成する工程と、
前記第2のシリコン酸化膜またはシリコン酸窒化膜、および前記第1の絶縁膜に接する
ように、希土類元素または第2族元素、および、ハフニウムまたはジルコニウムを含む第
2の絶縁膜を全面に形成する工程と、
を備え、
前記第2の絶縁膜を全面に形成する工程は、
ハフニウムまたはジルコニウムを含む絶縁膜を全面に形成する工程と、
前記ハフニウムまたはジルコニウムを含む絶縁膜上に希土類元素または第2族元素を含
む層を形成する工程と、
を含むことを特徴とする半導体装置の製造方法。 - n型およびp型のMISFETを備える半導体装置の製造方法であって、 前記n型
のMISFETが形成される第1の領域と、前記p型のMISFETが形成される第2の
領域とを有する基板の表面に第1のシリコン酸化膜またはシリコン酸窒化膜を形成する工
程と、
前記第1のシリコン酸化膜またはシリコン酸窒化膜に接するようにアルミニウムを含む
第1の絶縁膜を全面に形成する工程と、
前記第1の絶縁膜と、前記第1のシリコン酸化膜またはシリコン酸窒化膜とを前記第1
の領域で選択的に除去する工程と、
前記基板の表面の前記第1の領域に第2のシリコン酸化膜またはシリコン酸窒化膜を形
成する工程と、
前記第2のシリコン酸化膜またはシリコン酸窒化膜、および前記第1の絶縁膜に接する
ように、希土類元素または第2族元素、および、ハフニウムまたはジルコニウムを含む第
2の絶縁膜を全面に形成する工程と、
を備え、
前記第2の絶縁膜を全面に形成する工程は、
希土類元素または第2族元素を含む層を全面に形成する工程と、
前記希土類元素または第2族元素を含む層の上にハフニウムまたはジルコニウムを含む
絶縁膜を形成する工程と、
を含むことを特徴とする半導体装置の製造方法。
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US12/261,770 US8143676B2 (en) | 2007-10-31 | 2008-10-30 | Semiconductor device having a high-dielectric-constant gate insulating film |
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US7952118B2 (en) * | 2003-11-12 | 2011-05-31 | Samsung Electronics Co., Ltd. | Semiconductor device having different metal gate structures |
JP2008306051A (ja) * | 2007-06-08 | 2008-12-18 | Rohm Co Ltd | 半導体装置およびその製造方法 |
JP2009141168A (ja) * | 2007-12-07 | 2009-06-25 | Panasonic Corp | 半導体装置及びその製造方法 |
JP5280670B2 (ja) * | 2007-12-07 | 2013-09-04 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
EP2093796A1 (en) * | 2008-02-20 | 2009-08-26 | Imec | Semiconductor device and method for fabricating the same |
US7791149B2 (en) * | 2008-07-10 | 2010-09-07 | Qimonda Ag | Integrated circuit including a dielectric layer |
JP5286052B2 (ja) * | 2008-11-28 | 2013-09-11 | 株式会社東芝 | 半導体装置及びその製造方法 |
JP2010129926A (ja) * | 2008-11-28 | 2010-06-10 | Renesas Electronics Corp | 半導体装置及び半導体装置の製造方法 |
JP5203905B2 (ja) * | 2008-12-02 | 2013-06-05 | 株式会社東芝 | 半導体装置およびその製造方法 |
JP5464853B2 (ja) * | 2008-12-29 | 2014-04-09 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
JP5135250B2 (ja) * | 2009-02-12 | 2013-02-06 | 株式会社東芝 | 半導体装置の製造方法 |
JP5342903B2 (ja) * | 2009-03-25 | 2013-11-13 | 株式会社東芝 | 半導体装置 |
JP5235784B2 (ja) * | 2009-05-25 | 2013-07-10 | パナソニック株式会社 | 半導体装置 |
JP5592083B2 (ja) * | 2009-06-12 | 2014-09-17 | アイメック | 基板処理方法およびそれを用いた半導体装置の製造方法 |
JP2011003664A (ja) * | 2009-06-17 | 2011-01-06 | Renesas Electronics Corp | 半導体装置およびその製造方法 |
JP5442332B2 (ja) * | 2009-06-26 | 2014-03-12 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
DE102009031155B4 (de) * | 2009-06-30 | 2012-02-23 | GLOBALFOUNDRIES Dresden Module One Ltd. Liability Company & Co. KG | Einstellen einer Schwellwertspannung für komplexe Transistoren durch Diffundieren einer Metallsorte in das Gatedielektrikum vor der Gatestrukturierung |
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KR20110107206A (ko) * | 2010-03-24 | 2011-09-30 | 삼성전자주식회사 | 반도체 장치의 제조 방법 |
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US20150340228A1 (en) * | 2014-05-14 | 2015-11-26 | Tokyo Electron Limited | Germanium-containing semiconductor device and method of forming |
US9391152B1 (en) | 2015-01-20 | 2016-07-12 | International Business Machines Corporation | Implantation formed metal-insulator-semiconductor (MIS) contacts |
US9589851B2 (en) | 2015-07-16 | 2017-03-07 | International Business Machines Corporation | Dipole-based contact structure to reduce metal-semiconductor contact resistance in MOSFETs |
US9735111B2 (en) | 2015-09-23 | 2017-08-15 | International Business Machines Corporation | Dual metal-insulator-semiconductor contact structure and formulation method |
US10879392B2 (en) * | 2018-07-05 | 2020-12-29 | Samsung Electronics Co., Ltd. | Semiconductor device |
JP7089967B2 (ja) * | 2018-07-17 | 2022-06-23 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
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US8399934B2 (en) * | 2004-12-20 | 2013-03-19 | Infineon Technologies Ag | Transistor device |
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