JP4312006B2 - 希土類金属錯体、薄膜形成用原料及び薄膜の製造方法 - Google Patents
希土類金属錯体、薄膜形成用原料及び薄膜の製造方法 Download PDFInfo
- Publication number
- JP4312006B2 JP4312006B2 JP2003299736A JP2003299736A JP4312006B2 JP 4312006 B2 JP4312006 B2 JP 4312006B2 JP 2003299736 A JP2003299736 A JP 2003299736A JP 2003299736 A JP2003299736 A JP 2003299736A JP 4312006 B2 JP4312006 B2 JP 4312006B2
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- JP
- Japan
- Prior art keywords
- thin film
- raw material
- complex
- butylcyclopentadienyl
- tris
- 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.)
- Expired - Lifetime
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- 239000002994 raw material Substances 0.000 title claims description 74
- 239000010409 thin film Substances 0.000 title claims description 74
- 229910052761 rare earth metal Inorganic materials 0.000 title claims description 36
- 150000002910 rare earth metals Chemical class 0.000 title claims description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 32
- 230000015572 biosynthetic process Effects 0.000 title claims description 6
- -1 sec-butylcyclopentadienyl Chemical group 0.000 claims description 39
- 239000007983 Tris buffer Substances 0.000 claims description 28
- 230000008016 vaporization Effects 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 10
- 229910052691 Erbium Inorganic materials 0.000 claims description 4
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical group [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052727 yttrium Inorganic materials 0.000 claims description 4
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical group [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical group [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 3
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 51
- 238000000034 method Methods 0.000 description 40
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 34
- 238000006243 chemical reaction Methods 0.000 description 28
- 239000007788 liquid Substances 0.000 description 27
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 24
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 18
- 229910052786 argon Inorganic materials 0.000 description 17
- 239000007789 gas Substances 0.000 description 17
- 238000004458 analytical method Methods 0.000 description 16
- 238000004821 distillation Methods 0.000 description 15
- 238000000151 deposition Methods 0.000 description 14
- 239000010408 film Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 12
- 229910052708 sodium Inorganic materials 0.000 description 12
- 239000011734 sodium Substances 0.000 description 12
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 11
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- 239000000460 chlorine Substances 0.000 description 8
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- 238000000231 atomic layer deposition Methods 0.000 description 7
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
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- 230000007423 decrease Effects 0.000 description 6
- IIEWJVIFRVWJOD-UHFFFAOYSA-N ethylcyclohexane Chemical compound CCC1CCCCC1 IIEWJVIFRVWJOD-UHFFFAOYSA-N 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
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- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000000921 elemental analysis Methods 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 229910000104 sodium hydride Inorganic materials 0.000 description 4
- 239000012312 sodium hydride Substances 0.000 description 4
- 238000001196 time-of-flight mass spectrum Methods 0.000 description 4
- FRLLRFDDBLBEEW-UHFFFAOYSA-N C(C)(CC)C1(C=CC=C1)[La](C1(C=CC=C1)C(C)CC)C1(C=CC=C1)C(C)CC Chemical compound C(C)(CC)C1(C=CC=C1)[La](C1(C=CC=C1)C(C)CC)C1(C=CC=C1)C(C)CC FRLLRFDDBLBEEW-UHFFFAOYSA-N 0.000 description 3
- APHDCZSGTIXGQL-UHFFFAOYSA-N C(C)(CC)C1(C=CC=C1)[Pr](C1(C=CC=C1)C(C)CC)C1(C=CC=C1)C(C)CC Chemical compound C(C)(CC)C1(C=CC=C1)[Pr](C1(C=CC=C1)C(C)CC)C1(C=CC=C1)C(C)CC APHDCZSGTIXGQL-UHFFFAOYSA-N 0.000 description 3
- XBQMPXWBNOPRSY-UHFFFAOYSA-N C(C)(CC)C1(C=CC=C1)[Y](C1(C=CC=C1)C(C)CC)C1(C=CC=C1)C(C)CC Chemical compound C(C)(CC)C1(C=CC=C1)[Y](C1(C=CC=C1)C(C)CC)C1(C=CC=C1)C(C)CC XBQMPXWBNOPRSY-UHFFFAOYSA-N 0.000 description 3
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 3
- 239000003446 ligand Substances 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 229910052758 niobium Inorganic materials 0.000 description 3
- 239000010955 niobium Substances 0.000 description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 3
- 239000012434 nucleophilic reagent Substances 0.000 description 3
- 239000005304 optical glass Substances 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 2
- HCFAJYNVAYBARA-UHFFFAOYSA-N 4-heptanone Chemical compound CCCC(=O)CCC HCFAJYNVAYBARA-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RQXCAULLYQMNBJ-UHFFFAOYSA-N C(C)(CC)C1(C=CC=C1)[Er](C1(C=CC=C1)C(C)CC)C1(C=CC=C1)C(C)CC Chemical compound C(C)(CC)C1(C=CC=C1)[Er](C1(C=CC=C1)C(C)CC)C1(C=CC=C1)C(C)CC RQXCAULLYQMNBJ-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
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- 230000000052 comparative effect Effects 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- VZVQQBDFMNEUHK-UHFFFAOYSA-N [La].[Hf] Chemical compound [La].[Hf] VZVQQBDFMNEUHK-UHFFFAOYSA-N 0.000 description 1
- NVZBIFPUMFLZLM-UHFFFAOYSA-N [Si].[Y] Chemical compound [Si].[Y] NVZBIFPUMFLZLM-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- BTGRAWJCKBQKAO-UHFFFAOYSA-N adiponitrile Chemical compound N#CCCCCC#N BTGRAWJCKBQKAO-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000005263 alkylenediamine group Chemical group 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
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 description 1
- 229910001632 barium fluoride Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- BHXFKXOIODIUJO-UHFFFAOYSA-N benzene-1,4-dicarbonitrile Chemical compound N#CC1=CC=C(C#N)C=C1 BHXFKXOIODIUJO-UHFFFAOYSA-N 0.000 description 1
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 1
- 229910002115 bismuth titanate Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- JRCMYZNYPKTOPG-UHFFFAOYSA-N butylcyclopentane;erbium Chemical compound [Er].CCCC[C]1[CH][CH][CH][CH]1.CCCC[C]1[CH][CH][CH][CH]1.CCCC[C]1[CH][CH][CH][CH]1 JRCMYZNYPKTOPG-UHFFFAOYSA-N 0.000 description 1
- VPFJVCJZOKOCHT-UHFFFAOYSA-N butylcyclopentane;yttrium Chemical compound [Y].CCCC[C]1[CH][CH][CH][CH]1.CCCC[C]1[CH][CH][CH][CH]1.CCCC[C]1[CH][CH][CH][CH]1 VPFJVCJZOKOCHT-UHFFFAOYSA-N 0.000 description 1
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 150000003983 crown ethers Chemical class 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- MGWYSXZGBRHJNE-UHFFFAOYSA-N cyclohexane-1,4-dicarbonitrile Chemical compound N#CC1CCC(C#N)CC1 MGWYSXZGBRHJNE-UHFFFAOYSA-N 0.000 description 1
- VBWIZSYFQSOUFQ-UHFFFAOYSA-N cyclohexanecarbonitrile Chemical compound N#CC1CCCCC1 VBWIZSYFQSOUFQ-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 125000005265 dialkylamine group Chemical group 0.000 description 1
- UNTITLLXXOKDTB-UHFFFAOYSA-N dibenzo-24-crown-8 Chemical compound O1CCOCCOCCOC2=CC=CC=C2OCCOCCOCCOC2=CC=CC=C21 UNTITLLXXOKDTB-UHFFFAOYSA-N 0.000 description 1
- BBGKDYHZQOSNMU-UHFFFAOYSA-N dicyclohexano-18-crown-6 Chemical compound O1CCOCCOC2CCCCC2OCCOCCOC2CCCCC21 BBGKDYHZQOSNMU-UHFFFAOYSA-N 0.000 description 1
- QMLGNDFKJAFKGZ-UHFFFAOYSA-N dicyclohexano-24-crown-8 Chemical compound O1CCOCCOCCOC2CCCCC2OCCOCCOCCOC2CCCCC21 QMLGNDFKJAFKGZ-UHFFFAOYSA-N 0.000 description 1
- 238000004455 differential thermal analysis Methods 0.000 description 1
- HPYNZHMRTTWQTB-UHFFFAOYSA-N dimethylpyridine Natural products CC1=CC=CN=C1C HPYNZHMRTTWQTB-UHFFFAOYSA-N 0.000 description 1
- NKZSPGSOXYXWQA-UHFFFAOYSA-N dioxido(oxo)titanium;lead(2+) Chemical compound [Pb+2].[O-][Ti]([O-])=O NKZSPGSOXYXWQA-UHFFFAOYSA-N 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- HDGGAKOVUDZYES-UHFFFAOYSA-K erbium(iii) chloride Chemical compound Cl[Er](Cl)Cl HDGGAKOVUDZYES-UHFFFAOYSA-K 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000005383 fluoride glass Substances 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 1
- ZTOMUSMDRMJOTH-UHFFFAOYSA-N glutaronitrile Chemical compound N#CCCCC#N ZTOMUSMDRMJOTH-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- OZCISEDHTVUZIC-UHFFFAOYSA-N hafnium(4+) 1-methoxy-2-methylpropan-2-olate Chemical compound COCC(C)(C)O[Hf](OC(C)(C)COC)(OC(C)(C)COC)OC(C)(C)COC OZCISEDHTVUZIC-UHFFFAOYSA-N 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 1
- NGAZZOYFWWSOGK-UHFFFAOYSA-N heptan-3-one Chemical compound CCCCC(=O)CC NGAZZOYFWWSOGK-UHFFFAOYSA-N 0.000 description 1
- SDAXRHHPNYTELL-UHFFFAOYSA-N heptanenitrile Chemical compound CCCCCCC#N SDAXRHHPNYTELL-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 description 1
- 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 description 1
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 1
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- DWFKOMDBEKIATP-UHFFFAOYSA-N n'-[2-[2-(dimethylamino)ethyl-methylamino]ethyl]-n,n,n'-trimethylethane-1,2-diamine Chemical compound CN(C)CCN(C)CCN(C)CCN(C)C DWFKOMDBEKIATP-UHFFFAOYSA-N 0.000 description 1
- LSHROXHEILXKHM-UHFFFAOYSA-N n'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 description 1
- TWVSWDVJBJKDAA-UHFFFAOYSA-N n-[bis(dimethylamino)silyl]-n-methylmethanamine Chemical compound CN(C)[SiH](N(C)C)N(C)C TWVSWDVJBJKDAA-UHFFFAOYSA-N 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- BTNXBLUGMAMSSH-UHFFFAOYSA-N octanedinitrile Chemical compound N#CCCCCCCC#N BTNXBLUGMAMSSH-UHFFFAOYSA-N 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- UKODFQOELJFMII-UHFFFAOYSA-N pentamethyldiethylenetriamine Chemical compound CN(C)CCN(C)CCN(C)C UKODFQOELJFMII-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- LHBNLZDGIPPZLL-UHFFFAOYSA-K praseodymium(iii) chloride Chemical compound Cl[Pr](Cl)Cl LHBNLZDGIPPZLL-UHFFFAOYSA-K 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- VQMWBBYLQSCNPO-UHFFFAOYSA-N promethium atom Chemical compound [Pm] VQMWBBYLQSCNPO-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 150000003839 salts Chemical group 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000002203 sulfidic glass Substances 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- SITVSCPRJNYAGV-UHFFFAOYSA-L tellurite Chemical compound [O-][Te]([O-])=O SITVSCPRJNYAGV-UHFFFAOYSA-L 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 238000003852 thin film production method Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- BYMUNNMMXKDFEZ-UHFFFAOYSA-K trifluorolanthanum Chemical compound F[La](F)F BYMUNNMMXKDFEZ-UHFFFAOYSA-K 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- PCMOZDDGXKIOLL-UHFFFAOYSA-K yttrium chloride Chemical compound [Cl-].[Cl-].[Cl-].[Y+3] PCMOZDDGXKIOLL-UHFFFAOYSA-K 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- OMQSJNWFFJOIMO-UHFFFAOYSA-J zirconium tetrafluoride Chemical compound F[Zr](F)(F)F OMQSJNWFFJOIMO-UHFFFAOYSA-J 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/06—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material
- C23C16/18—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material from metallo-organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F17/00—Metallocenes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Vapour Deposition (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Formation Of Insulating Films (AREA)
Description
CVD用原料としての本発明のトリス第二ブチルシクロペンタジエニル錯体の有用性を以下に説明する。
実施例1〜4は、本発明のトリス第二ブチルシクロペンタジエニル錯体の実施例を示し、実施例5〜8は、実施例1〜4で得られた本発明のトリス第二ブチルシクロペンタジエニル錯体を用いた本発明の薄膜形成用材料及び該薄膜形成用材料を用いた本発明の薄膜の製造方法の実施例を示す。また、評価例においては、実施例1、3及び4で得られた本発明のトリス第二ブチルシクロペンタジエニル錯体及び比較化合物それぞれについて、蒸気圧測定を行った。
乾燥アルゴン置換した反応フラスコにヘキサンで十分に洗浄したナトリウムハイドライド0.948mol及びテトラヒドロフラン30mlを仕込み、10℃以下の温度で第二ブチルシクロペンタジエン(ラセミ体)0.948molを滴下した。滴下後30℃でガスの発生がなくなるまで攪拌して溶液を得た。該溶液を10℃以下に冷やし、これを三塩化イットリウム0.190mol及びテトラヒドロフラン30mlに反応系の温度が10℃を超えないように冷却しながら加えた。10時間室温で攪拌後、溶媒を留去して残渣を得た。該残渣にトルエン600mlを加え、固相を濾別した。得られた濾液を減圧留去により脱溶媒した後、遮光蒸留装置を用いて減圧蒸留を行った。35Pa、留出蒸気温度169〜175℃のフラクションから黄色液体を39.4g(収率46%)得た。得られた黄色液体について分析を行ったところ、該黄色液体は目的物であるトリス(第二ブチルシクロペンタジエニル)イットリウムと同定された。分析結果を以下に示す。
(1)元素分析(CH:CHNアナライザー、金属分析:ICP−MS)
炭素71.0質量%(理論値71.67質量%)、水素8.62質量%(理論値8.69質量%)、イットリウム19.5質量%(理論値19.65質量%)
(2)分子量(TOF−マススペクトル)
分子量456.5
(3)不純物元素分析(塩素:蛍光X線、ナトリウム:ICP−MS)
塩素100ppm以下、ナトリウム37ppb
(4)TG−DTA(Ar100ml/min、10℃/min昇温、サンプル量14.922mg)
50質量%減少温度307℃、336℃残渣0.39質量%
乾燥アルゴン置換した反応フラスコにヘキサンで十分に洗浄したナトリウムハイドライド0.816mol及びテトラヒドロフラン30mlを仕込み、10℃以下の温度で第二ブチルシクロペンタジエン(ラセミ体)0.816molを滴下した。滴下後30℃でガスの発生がなくなるまで攪拌して溶液を得た。該溶液を10℃以下に冷やし、これを三塩化ランタン0.204mol及びテトラヒドロフラン30mlに反応系の温度が10℃を超えないように冷却しながら加えた。30時間室温で攪拌後、固相を濾別した。得られた濾液を減圧留去により脱溶媒した後、遮光蒸留装置を用いて減圧蒸留を行った。100Pa、留出蒸気温度205〜207℃のフラクションから淡黄色液体を43.1g(収率42%)得た。得られた淡黄色液体について分析を行ったところ、該淡黄色液体は目的物であるトリス(第二ブチルシクロペンタジエニル)ランタンと同定された。分析結果を以下に示す。
(1)元素分析(CH:CHNアナライザー、金属分析:ICP−MS)
炭素63.9質量%(理論値64.53質量%)、水素7.77質量%(理論値7.82質量%)、ランタン27.5質量%(理論値27.64質量%)
(2)分子量(TOF−マススペクトル)
分子量502.5
(3)不純物元素分析(塩素:蛍光X線、ナトリウム:ICP−MS)
塩素100ppm以下、ナトリウム22ppb
(4)TG−DTA(Ar100ml/min、10℃/min昇温、サンプル量14.063mg)
50質量%減少温度301℃、334℃残渣0.33質量%
乾燥アルゴン置換した反応フラスコにヘキサンで十分に洗浄したナトリウムハイドライド0.158mol及びテトラヒドロフラン50mlを仕込み、10℃以下の温度で第二ブチルシクロペンタジエン(ラセミ体)0.158molを滴下した。滴下後30℃でガスの発生がなくなるまで攪拌して溶液を得た。該溶液を10℃以下に冷やし、これを三塩化プラセオジム0.040mol及びテトラヒドロフラン15mlに反応系の温度が10℃を超えないように冷却しながら加えた。10時間室温で攪拌後、溶媒を留去して残渣を得た。該残渣にヘキサン100mlを加え、固相を濾別した。得られた濾液を減圧留去により脱溶媒した後、遮光蒸留装置を用いて減圧蒸留を行った。35Pa、留出蒸気温度170℃のフラクションから緑色液体を11.3g(収率56%)得た。得られた緑色液体について分析を行ったところ、該緑色液体は目的物であるトリス(第二ブチルシクロペンタジエニル)プラセオジムと同定された。分析結果を以下に示す。
(1)元素分析(CH:CHNアナライザー、金属分析:ICP−MS)
炭素64.0質量%(理論値64.28質量%)、水素7.71質量%(理論値7.79質量%)、プラセオジム27.7質量%(理論値27.93質量%)
(2)分子量(TOF−マススペクトル)
分子量504.5
(3)不純物元素分析(塩素:蛍光X線、ナトリウム:ICP−MS)
塩素100ppm以下、ナトリウム30ppb
(4)TG−DTA(Ar100ml/min、10℃/min昇温、サンプル量14.632mg)
50質量%減少温度302℃、335℃残渣0.90質量%
乾燥アルゴン置換した反応フラスコにヘキサンで十分に洗浄したナトリウムハイドライド0.158mol及びテトラヒドロフラン50mlを仕込み、10℃以下の温度で第二ブチルシクロペンタジエン(ラセミ体)0.158molを滴下した。滴下後30℃でガスの発生がなくなるまで攪拌して反応液を得た。該反応液を10℃以下に冷やし、これを三塩化エルビウム0.040mol及びテトラヒドロフラン15mlに反応系の温度が10℃を超えないように冷却しながら加えた。30時間室温で攪拌後、溶媒を留去して残渣を得た。該残渣にヘキサン50mlを加え、固相を濾別した。得られた濾液を減圧留去により脱溶媒した後、遮光蒸留装置を用いて減圧蒸留を行った。40Pa、留出蒸気温度175℃のフラクションから褐色液体を8.24g(収率39%)得た。得られた褐色液体について分析を行ったところ、該褐色液体は目的物であるトリス(第二ブチルシクロペンタジエニル)エルビウムと同定された。分析結果を以下に示す。
(1)元素分析(CH:CHNアナライザー、金属分析:ICP−MS)
炭素質量61.0質量%(理論値61.09質量%)、水素7.26質量%(理論値7.40質量%)、エルビウム31.4質量%(理論値31.51質量%)
(2)分子量(TOF−マススペクトル)
分子量530.9
(3)不純物元素分析(塩素:蛍光X線、ナトリウム:ICP−MS)
塩素100ppm以下、ナトリウム44ppb
(4)TG−DTA(Ar100ml/min、10℃/min昇温、サンプル量13.597mg)
50質量%減少温度309℃、340℃残渣0.99%
上記の実施例1、3及び4それぞれで得た錯体、及び室温で液体であり同一分子量の比較化合物1〜4について、蒸気圧測定を行った。蒸気圧測定は、系を一定の圧力に固定して液面付近の飽和蒸気温度を測定する方法により行った。結果を表1〜3に示す。
図1に示すCVD装置を用いて、シリコンウエハ上に以下の製造条件で、イットリウム珪素複合酸化物薄膜を製造した。製造した薄膜について、膜厚及び組成を蛍光X線で測定した。測定結果を以下に示す。
(製造条件)
イットリウム原料:上記実施例1で得たトリス(第二ブチルシクロペンタジエニル)イットリウム(原料温度;180℃、圧力;100〜200Pa、キャリアガス;アルゴン200sccm)、珪素原料:トリ(ジメチルアミノ)シラン(原料温度;20℃、圧力;0.1MPa;キャリアガス;アルゴン35sccm)、酸化ガス:酸素50sccm、反応圧力:660Pa、反応温度:450℃、成膜時間:2分
(測定結果)
膜厚;24nm、組成比(モル);Y/Si=1.00/1.06
テトラヒドロピランを金属ナトリウム線で乾燥した後、アルゴン気流下で、前留分10質量%及び釜残分10質量%をカットし、蒸留精製を行い水分量1ppm未満の溶媒を得た。この溶媒500mlに上記実施例2で得たトリス(第二ブチルシクロペンタジエニル)ランタン0.010mol及びテトラキス(1,1−ジメチル−2−メトキシエトキシ)ハフニウム0.04molをアルゴン気流下で配合してCVD用原料を得た。該CVD用原料を用いて図2に示すCVD装置により、シリコンウエハ上に以下の製造条件で、ランタンハフニウム複合酸化物薄膜を製造した。製造した薄膜について、上記実施例1と同様の測定を行った。測定結果を以下に示す。
(製造条件)
気化室温度:195℃、原料流量:20mg/分、酸素ガス流量:200sccm、反応圧力:1000Pa、反応時間:2分、基板温度:450℃、キャリアAr:200sccm
(測定結果)
膜厚;21nm、組成比(モル);La/Hf=1.00/3.87
エチルシクロヘキサンを金属ナトリウム線で乾燥した後、アルゴン気流下で、前留分10質量%及び釜残分10質量%をカットし、蒸留精製を行い水分量1ppm未満の溶媒を得た。この溶媒500mlに上記実施例3で得たトリス(第二ブチルシクロペンタジエニル)プラセオジム0.250molをアルゴン気流下で配合してCVD用原料を得た。このCVD用原料を用いて図2に示すCVD装置により、以下の条件及び工程で薄膜を製造した。得られた薄膜の膜厚を上記実施例1と同様の方法で測定した。測定結果を以下に示す。
(条件)
反応温度(基板温度);450℃、反応性ガス;水蒸気
(工程)
下記(1)〜(4)からなる一連の工程を1サイクルとして、100サイクル繰り返し、最後に600℃で3分間アニール処理を行った。
(1)気化室温度:195℃、原料流量:20mg/分、気化室圧力:100Paの条件で気化させたCVD用原料の蒸気を導入し、系圧力100Paで1秒間堆積させる。
(2)2秒間のアルゴンパージにより、未反応原料を除去する。
(3)水蒸気を導入し、系圧力100Paで1秒間反応させる。
(4)2秒間のアルゴンパージにより、未反応原料を除去する。
(測定結果)
膜厚:16nm
エチルシクロヘキサンを金属ナトリウム線で乾燥した後、アルゴン気流下で、前留分10質量%及び釜残分10質量%をカットし、蒸留精製を行い水分量1ppm未満の溶媒を得た。この溶媒500mlに上記実施例4で得たトリス(第二ブチルシクロペンタジエニル)エルビウム0.250molをアルゴン気流下で配合してCVD用原料を得た。このCVD用原料を用いて図2に示すCVD装置により、以下の条件及び工程で薄膜を製造した。得られた薄膜の膜厚を上記実施例1と同様の方法で測定した。測定結果を以下に示す。
(条件)
反応温度(基板温度);450℃、反応性ガス;水蒸気
(工程)
下記(1)〜(4)からなる一連の工程を1サイクルとして、40サイクル繰り返し、最後に600℃で3分間アニール処理を行った。
(1)気化室温度:195℃、原料流量:20mg/分、気化室圧力:100Paの条件で気化させたCVD用原料の蒸気を導入し、系圧力100Paで1秒間堆積させる。
(2)2秒間のアルゴンパージにより、未反応原料を除去する。
(3)水蒸気を導入し、系圧力100Paで1秒間反応させる。
(4)2秒間のアルゴンパージにより、未反応原料を除去する。
(測定結果)
膜厚:7nm
Claims (7)
- 上記一般式(I)において、Mがイットリウムである請求項1に記載のトリス第二ブチルシクロペンタジエニル錯体。
- 上記一般式(I)において、Mがランタンである請求項1に記載のトリス第二ブチルシクロペンタジエニル錯体。
- 上記一般式(I)において、Mがプラセオジムである請求項1に記載のトリス第二ブチルシクロペンタジエニル錯体。
- 上記一般式(I)において、Mがエルビウムである請求項1に記載のトリス第二ブチルシクロペンタジエニル錯体。
- 請求項1〜5のいずれかに記載のトリス第二ブチルシクロペンタジエニル錯体を含有してなる薄膜形成用原料。
- 請求項6記載の薄膜形成用原料を気化させて得たトリス第二ブチルシクロペンタジエニル錯体を含有する蒸気を基体上に導入し、これを分解及び/又は化学反応させて基体上に希土類金属含有薄膜を形成する薄膜の製造方法。
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EP04771133A EP1659130B1 (en) | 2003-08-25 | 2004-08-02 | Rare earth metal complex, material for thin-film formation, and process for producing thin film |
KR1020067002699A KR20060058710A (ko) | 2003-08-25 | 2004-08-02 | 희토류 금속착체, 박막 형성용 원료 및 박막의 제조방법 |
US10/568,611 US20060275545A1 (en) | 2003-08-25 | 2004-08-02 | Rare earth metal complex material for thin film formation and process of forming thin film |
PCT/JP2004/011043 WO2005019234A1 (ja) | 2003-08-25 | 2004-08-02 | 希土類金属錯体、薄膜形成用原料及び薄膜の製造方法 |
CNA2004800228648A CN1832952A (zh) | 2003-08-25 | 2004-08-02 | 稀土类金属络合物、薄膜形成用原料和薄膜的制造方法 |
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2003
- 2003-08-25 JP JP2003299736A patent/JP4312006B2/ja not_active Expired - Lifetime
-
2004
- 2004-08-02 CN CNA2004800228648A patent/CN1832952A/zh active Pending
- 2004-08-02 US US10/568,611 patent/US20060275545A1/en not_active Abandoned
- 2004-08-02 KR KR1020067002699A patent/KR20060058710A/ko not_active Application Discontinuation
- 2004-08-02 WO PCT/JP2004/011043 patent/WO2005019234A1/ja active Application Filing
- 2004-08-02 EP EP04771133A patent/EP1659130B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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EP1659130A1 (en) | 2006-05-24 |
EP1659130A4 (en) | 2008-11-05 |
CN1832952A (zh) | 2006-09-13 |
EP1659130B1 (en) | 2011-08-31 |
JP2005068074A (ja) | 2005-03-17 |
KR20060058710A (ko) | 2006-05-30 |
US20060275545A1 (en) | 2006-12-07 |
WO2005019234A1 (ja) | 2005-03-03 |
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