WO2008013244A1 - Organoruthenium complex, and method for production of ruthenium thin film using the ruthenium complex - Google Patents
Organoruthenium complex, and method for production of ruthenium thin film using the ruthenium complex Download PDFInfo
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- WO2008013244A1 WO2008013244A1 PCT/JP2007/064713 JP2007064713W WO2008013244A1 WO 2008013244 A1 WO2008013244 A1 WO 2008013244A1 JP 2007064713 W JP2007064713 W JP 2007064713W WO 2008013244 A1 WO2008013244 A1 WO 2008013244A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/92—Ketonic chelates
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- 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
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/77—Preparation of chelates of aldehydes or ketones
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- 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
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/0046—Ruthenium compounds
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- 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
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- 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
Definitions
- the present invention relates to an organic ruthenium complex that can be used for forming a ruthenium thin film.
- the present invention also uses the organic ruthenium complex to produce a ruthenium thin film, particularly a metal ruthenium-containing thin film, by chemical vapor deposition (Chemical Vapor D mark osition method; hereinafter referred to as CVD method). Regarding the method.
- CVD method Chemical Vapor D mark osition method
- metal ruthenium or ruthenium oxide which utilizes the excellent electrical properties such as the specific resistance value of metal ruthenium or ruthenium oxide.
- ruthenium metal has better electrical characteristics than ruthenium oxide and is preferable as a thin film electrode material for semiconductor devices.
- CVD method which is easy to produce a uniform thin film, is most widely adopted, and a raw material compound suitable for this method is required.
- a ruthenium complex having a / 3-diketonatocyclopentagenyl derivative as a ligand is being widely used as a raw material for producing a thin film containing a ruthenium atom by a CVD method.
- a ruthenium complex having these ligands is excellent in stability and sublimation and is useful as a ruthenium source in the CVD method.
- a / 3-diketonatoruthenium complex having a gen compound as a ligand see, for example, Non-Patent Document 1.
- Some are known compounds but are solid at room temperature.
- oxygen gas are reacted at a high temperature, and a method of obtaining a mixed film of a metal ruthenium thin film and a ruthenium oxide thin film by a CVD method is disclosed (for example, see Patent Document 1 and Non-Patent Document 2).
- the use of oxygen gas makes it impossible to avoid mixing ruthenium oxide, which has an extremely large resistance value compared to metal ruthenium, and the film formation temperature is high. Impurity atoms such as carbon atoms As a result of the force S, the specific resistance value is lowered.
- Patent Document 3 discloses a ruthenium complex having a / 3-diketonate having an alkoxyalkylmethyl group as a ligand as a raw material for producing a thin film by a CVD method.
- the ruthenium complex disclosed herein does not have a gen compound as a ligand.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-306472
- Patent Document 2 US Pat. No. 6,303,809
- Patent Document 3 International Publication No. 2005/087697
- Non-Patent Document 2 J. Phys. IV France, l 1, Pr3_325 (2001)
- an object of the present invention is to provide a method for producing a metal ruthenium-containing thin film by chemical vapor deposition using the ruthenium complex or using another ruthenium complex and containing no ruthenium oxide. It is also what you do.
- the present invention relates to the following items.
- R ⁇ 0 (1 -2) (in the formula, R b represents a straight-chain or branched group having 1 to 5 carbon atoms; represents a group), Y represents a general formula (1 2 ) Or a linear or branched alkyl group having 1 to 8 carbon atoms, Z represents a hydrogen atom or an alkyl group having 4 to 6 carbon atoms, and L represents at least two double groups.
- An unsaturated hydrocarbon compound having at least two double bonds is 1,5-hexadiene, 1,5-cyclootatagene, norbornagen, 4-but-1-cyclohexene or 1,
- solvent to be used is at least one solvent selected from the group consisting of aliphatic hydrocarbons, aromatic hydrocarbons and ethers. Of a ruthenium-containing thin film by chemical vapor deposition.
- a bis (acetylacetonato) (1,3-pentagen) ruthenium or bis (acetylacetonato) (1,3-pentagen) ruthenium solvent solution as described in 19 above is used as a ruthenium supply source.
- X and Y are linear or branched alkyl groups (provided that the total number of carbon atoms contained in X and ⁇ is 2 to 10), and ⁇ 4 is a hydrogen atom. Or an alkyl group having from 4 to 4 carbon atoms, L 4 represents an unsaturated hydrocarbon compound having at least two double bonds.
- ruthenium source and a hydrogen source which are an organic ruthenium complex having a / 3-diketonato and an unsaturated hydrocarbon compound having at least two double bonds as a ligand, or a solvent solution thereof.
- a method for producing a thin film containing metal ruthenium by chemical vapor deposition is characterized by using a ruthenium source and a hydrogen source which are an organic ruthenium complex having a / 3-diketonato and an unsaturated hydrocarbon compound having at least two double bonds as a ligand, or a solvent solution thereof.
- An unsaturated hydrocarbon compound having at least two double bonds is 1,5-hexadiene, 1,5-cyclootatagene, norbornagen, 4-but-1-cyclohexene or 27.
- the present invention has a low melting point and excellent stability to moisture, air and heat. Both can provide an organic ruthenium complex (organic ruthenium complex represented by the above general formula (11)) suitable for film formation by the CVD method, and a ruthenium-containing thin film using the organic ruthenium complex. Can be provided. Furthermore, it is possible to provide a method for producing a metal ruthenium-containing thin film by chemical vapor deposition using the organic ruthenium complex and containing no ruthenium oxide.
- oxidation using bis (acetylacetonato) (1,5-hexagen) ruthenium, bis (acetylacetonato) (1,3-pentadiene) ruthenium, and the ruthenium complex is performed.
- a process for producing a metal ruthenium-containing thin film by chemical vapor deposition without ruthenium contamination can be provided.
- ruthenium oxide is mixed using an organic ruthenium complex having a ligand other than / 3-diketonato other than those described above and an unsaturated hydrocarbon compound having at least two double bonds. Therefore, it is possible to provide a method for producing a metal ruthenium-containing thin film by chemical vapor deposition.
- FIG. 1 is a diagram showing a configuration of a vapor deposition apparatus.
- the ⁇ -diketonate having an alkoxyalkylmethyl group and the unsaturated hydrocarbon compound having at least two double bonds represented by the general formula (11), which is the first embodiment of the present invention, are ligands.
- An organic ruthenium complex and a method for producing a ruthenium-containing thin film using the ruthenium complex will be described.
- This organoruthenium complex has a low melting point and excellent stability to moisture, air and heat, and is suitable for film formation by the CVD method.
- a metal ruthenium-containing thin film free from ruthenium oxide can be produced by chemical vapor deposition using this organoruthenium complex as a ruthenium supply source.
- the organic ruthenium complex having ⁇ -diketonato having an alkoxyalkylmethyl group and an unsaturated hydrocarbon compound having at least two double bonds as a ligand is represented by the general formula (11). It is.
- X is an alkoxyalkylmethyl group represented by the general formula (12)
- R a and R b are, for example, a methyl group, an ethyl group, an n-propyl group) , An isopropyl group, an n-butyl group, an isobutyl group, a t_butyl group, a pentyl group, or the like, represents a linear or branched alkyl group having 1 to 5 carbon atoms.
- Y represents the general formula ( 1 2) group or methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, t_butyl group, pentyl
- a linear or branched alkyl group having 1 to 8 carbon atoms Z is a hydrogen atom, or a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, an isobutyl group, t ⁇
- R a and R b are particularly preferably a methyl group, preferably a methyl group or an ethyl group.
- Y is particularly preferably an isopropyl group, which is preferably a linear or branched alkyl group having 1 to 3 carbon atoms.
- Z is preferably a hydrogen atom.
- L represents an unsaturated hydrocarbon compound having at least two double bonds, such as 1,5-hexagen, 1,5-cyclotagen, norbornagen, 1,4-cyclohexagen, 2 , 5-dimethyl-2,4-hexagen, 4-vinyl-1-cyclohexene and 1,3-pentagen are preferably used.
- ⁇ -diketone which is the base of ⁇ -diketonato, which is a ligand of the organoruthenium complex of the present invention, is a compound that can be easily synthesized by a known method (described in Reference Examples described later).
- / 3 _ Can be synthesized by adding a diketone compound and reacting.
- organoruthenium complex having ⁇ -diketonato having an alkoxyalkylmethyl group and an unsaturated hydrocarbon compound having at least two double bonds as ligands of the present invention include, for example, formula (13) ) To formula (19).
- the organic ruthenium complex can be vaporized by being charged or transported into a suitable solvent (for example, aliphatic hydrocarbons such as hexane, methylcyclohexane, ethyl cyclohexane, and octane; aromatic hydrocarbons such as toluene)
- a suitable solvent for example, aliphatic hydrocarbons such as hexane, methylcyclohexane, ethyl cyclohexane, and octane; aromatic hydrocarbons such as toluene
- ethers such as tetrahydrofuran and dibutyl ether, etc.
- a method (solution method) in which a solution diluted in) is introduced into a vaporization chamber with a liquid transfer pump and vaporized can be used.
- the metal can be deposited on the substrate by a known CVD method.
- the organic ruthenium complex is converted into a hydrogen source (for example, reduction of hydrogen gas or the like) under normal pressure or reduced pressure.
- a hydrogen source for example, reduction of hydrogen gas or the like
- a method of depositing a metal ruthenium film by plasma CVD can be used.
- the organic ruthenium complex represented by the general formula (1-1) is used as a ruthenium supply source, even if an oxidizing gas such as oxygen gas is used, it does not substantially contain oxygen atoms, that is, ruthenium oxide. It is possible to produce a ruthenium metal film.
- the pressure in the reaction system is preferably lPa to 200kPa, more preferably 10Pa to 110kPa,
- the temperature of the product is preferably 150 to 500 ° C, more preferably 200 to 400 ° C.
- the content ratio of the hydrogen gas or oxygen gas to the total gas amount when the metal thin film is deposited by hydrogen gas or oxygen gas is preferably 0.01 to 95% by volume, more preferably 0.1 to 90% by volume.
- a method for vaporizing the organoruthenium complex of the present invention includes, for example, a method in which an organoruthenium complex itself is charged by vaporization by filling or transporting the organoruthenium complex itself into an appropriate solvent (for example, Examples include aliphatic hydrocarbons such as hexane, methylcyclohexane, ethylcyclohexane, and octane; aromatic hydrocarbons such as toluene; ethers such as tetrahydrofuran and dibutyl ether. It is also possible to use a method (solution method) in which gas is introduced into the vaporization chamber with a liquid transfer pump.
- a known CVD method can be used as a method for depositing a metal on a substrate.
- the organic ruthenium complex is converted into a hydrogen source (for example, reduction of hydrogen gas or the like under normal pressure or reduced pressure).
- a hydrogen source for example, reduction of hydrogen gas or the like under normal pressure or reduced pressure.
- a method of depositing a metal ruthenium film by plasma CVD can be used.
- ruthenium represented by the formula (2-1) When bis (acetylacetonato) (1,5-hexagen) ruthenium represented by the formula (2-1) is used as a ruthenium supply source, an oxidizing gas such as oxygen gas may be used. It is possible to produce a metal ruthenium film that does not substantially contain oxygen atoms, that is, does not contain ruthenium oxide.
- the pressure in the reaction system is preferably lPa to 200kPa, more preferably 10Pa to 110kPa,
- the temperature of the product is preferably 150 to 500 ° C, more preferably 200 to 400 ° C.
- the content ratio of the hydrogen gas or oxygen gas to the total gas amount when the metal thin film is deposited by hydrogen gas or oxygen gas is preferably 0.01 to 95% by volume, more preferably Is between 0 ⁇ 1 and 90% by volume.
- a chemical vapor deposition method using this ruthenium complex as a ruthenium supply source a metal ruthenium-containing thin film free from ruthenium oxide can be produced.
- Bis (acetylacetonato) (1,3-pentagen) ruthenium can be produced with reference to a method for producing a / 3-diketonatoruthenium complex having a known gen compound as a ligand. For example, it can be synthesized with a force S by reacting a ruthenium compound such as ruthenium chloride with 1,3-pentane in an organic solvent and then reacting by adding acetylacetone.
- the organic ruthenium complex bis (acetylacetonato) (1,3-pentagen) ruthenium (hereinafter referred to as the organic ruthenium complex or organic ruthenium complex) is vaporized for thin film formation.
- the organic ruthenium complex itself can be vaporized by filling or transporting the organic ruthenium complex itself into the vaporization chamber.
- aliphatic hydrocarbons such as hexane, methylcyclohexane, ethylcyclohexane, and octane
- aromatic hydrocarbons such as toluene
- ethers such as tetrahydrofuran and dibutyl ether
- a known CVD method can be used as a method for depositing a metal on a substrate.
- the organic ruthenium complex is converted into a hydrogen source (for example, reduction of hydrogen gas or the like under normal pressure or reduced pressure).
- a method of depositing a metal ruthenium film by plasma CVD can be used.
- a ruthenium-containing film obtained by feeding the organic ruthenium complex onto a substrate heated with an oxidizing gas such as oxygen under normal pressure or reduced pressure. The method of vapor-depositing can also be used.
- the pressure in the reaction system is preferably lPa to 200kPa, more preferably 10Pa to 110kPa, and the temperature of the film formation target is preferably 150 to 650 ° C, more preferably 200 to 550 ° C.
- the content ratio of the hydrogen gas with respect to the total gas amount when the metal thin film is deposited by hydrogen gas is preferably 0.01 to 95% by volume, more preferably 0.1 to 90% by volume.
- An organoruthenium complex having a ligand of / 3_diketonato and an unsaturated hydrocarbon compound having at least two double bonds represented by the general formula (41), which is the fourth embodiment of the present invention
- a method for producing a metal ruthenium-containing thin film by chemical vapor deposition using hydrogen and a hydrogen source will be described.
- the organoruthenium complex having the 13-diketonato of the present invention and an unsaturated hydrocarbon compound having at least two double bonds as a ligand is represented by the general formula (41).
- X 4 and Y 4 are linear or branched alkyl groups such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, A linear or branched alkyl group such as isobutyl group, t_butyl group, pentyl group, isopentyl group, neopentyl group, n-hexyl group, isohexyl group, etc., but included in X 4 and Y 4
- the total number of carbon atoms is 2 to 10, preferably 3 to 10;
- Z 4 is a hydrogen atom or the number of carbon atoms such as methyl group, ethyl group, n-propyl group, isopropyl group,
- L 4 represents an unsaturated hydrocarbon compound having at least two double bonds, such as 1,5-hexagen, 1,5-cyclootatagene, norbornagen, 1,4-cyclohexagen, 2,5-dimethyl-2,4-hexagen, 4-but-1-cyclohexene and 1,3-pentagen are preferably used.
- the / 3 -diketone that is the base of / 3 -diketonato, which is a ligand of the organoruthenium complex of the present invention, is a compound that can be easily synthesized by a known method.
- organoruthenium complex having the 13-diketonato of the present invention and an unsaturated hydrocarbon compound having at least two double bonds as a ligand include, for example, formulas (42) to ( 4 29).
- the organic ruthenium complex can be vaporized by being charged or transported into a suitable solvent (for example, aliphatic hydrocarbons such as hexane, methylcyclohexane, ethyl cyclohexane, and octane; aromatic hydrocarbons such as toluene)
- a suitable solvent for example, aliphatic hydrocarbons such as hexane, methylcyclohexane, ethyl cyclohexane, and octane; aromatic hydrocarbons such as toluene
- ethers such as tetrahydrofuran and dibutyl ether, etc.
- a method (solution method) in which a solution diluted in) is introduced into a vaporization chamber with a liquid transfer pump and vaporized can be used.
- the metal can be deposited on the substrate by a known CVD method.
- the organic ruthenium complex is converted into a hydrogen source (for example, reduction of hydrogen gas or the like under normal pressure or reduced pressure).
- a metal ruthenium film is deposited by feeding it onto a heated substrate together with a reactive gas or alcohol).
- a method of depositing a metal ruthenium film by plasma CVD can be used.
- the ruthenium-containing film may be deposited by feeding the organic ruthenium complex onto a heated substrate together with an oxidizing gas such as oxygen under normal pressure or reduced pressure. You can also.
- the pressure in the reaction system is preferably lPa to 200kPa, more preferably 10Pa to 110kPa, and the temperature of the film formation object Is preferably 150 to 500 ° C, more preferably 200 to 400 ° C.
- the content ratio of the hydrogen gas to the total gas amount when the metal thin film is deposited by the hydrogen gas is preferably 0.01 to 95% by volume, more preferably 0.1 to 90% by volume.
- Example 1 (Bis (2-methoxy-6-methyl-3,5-heptanedionato) (1,5-cyclootatager N) Ruthenium ( ⁇ ) (hereinafter referred to as [Ru (mopd) 2 (cod)])
- IR nitrogen (neat (cm—; 2971, 2929, 2871, 2821, 1592, 1570, 1522, 1439, 1426, 1363, 1331, 1211, 1156, 1119, 1060, 915, 869, 793, 576
- IR nitrogen (neat (cm--; 2972, 2930, 2872, 2821, 1592, 1571, 1522, 1433, 1363, 1330, 1211, 1154, 1120, 1060, 1011, 915, 869, 794, 577
- Example 11 1 the reaction was conducted in the same manner as in Example 11 except that instead of 1,5-cyclooctagen, 2.95 g (27.3 mmol) of 4-but-1-cyclohexene was used. Went. As a result, bis (2-methoxy-6-methyl-3,5-heptanedionato) ( 4-Bur-1-cyclohexene) ruthenium (II) 4.27 g was obtained (isolation yield: 56%).
- Example 1 5 (Bis (2-methoxy-6-methyl-3,5-heptanedionato) (1,3-pentadiene) rutenium (II) (hereinafter referred to as [Ru (mopd) (pd)] )
- Example 1 instead of 1,5-cyclooctadene, 1.86 g of 1,3-pentadiene (
- Example 1 6 ⁇ ;! Ichi; 12 (deposition experiment; production of ruthenium thin film)
- Example 1 1;! ⁇ 15 The organic ruthenium complexes ([Ru (mopd) (cod)], [Ru (mopd) (nbd)], [Ru (mopd) (hd)], [Ru ( mopd) (vch)] and [Ru (mopd) (pd)]) Vapor deposition experiments were conducted to evaluate film formation characteristics.
- the apparatus shown in Fig. 1 was used for the evaluation test.
- the ruthenium complex 20 in the vaporizer 3 (glass ampoule) is heated and vaporized by the heater 10B, exits the vaporizer 3 with the helium gas introduced after preheating by the preheater 10A via the mass flow controller 1A.
- the gas exiting the vaporizer 3 is introduced into the reactor 4 together with hydrogen gas (Examples 16 to 110) or oxygen gas (Example 1 11) introduced through the mass flow controller 1B and the stop valve 2.
- the valve 2 was closed and neither hydrogen gas nor oxygen gas was allowed to flow.
- the pressure inside the reaction system is controlled to a predetermined pressure by opening and closing the valve 6 in front of the vacuum pump, and is monitored by the pressure gauge 5.
- the central part of the glass reactor can be heated with a heater 10C.
- the ruthenium complex introduced into the reactor is set at the center of the reactor, undergoes a reduction reaction on the surface of the substrate 21 to be heated to a predetermined temperature by the heater 10C, and a metal ruthenium thin film is formed on the substrate 21. Precipitate.
- the gas exiting the reactor 4 is exhausted to the atmosphere via a trap 7 and a vacuum pump.
- H e Carrier flow rate 30 ⁇ 1 / ⁇ .
- He carrier flow rate 30ral / iQi.
- Example 1-7 Hydrogen flow rate; 120 ml / min. Film thickness; 15 nm
- He carrier flow rate 30ml / Bi.
- Substrate material Si0 2 / Si XPS analysis: Metal ruthenium film Substrate temperature: 270X:
- He carrier flow rate 30ml / min.
- He carrier flow rate 30ml / iaiii.
- Substrate material Si0 2 / Si XPS analysis; gold ruthenium film substrate temperature; 2703 ⁇ 4
- Ru complex [Ru (mopd) 2 (hd)]
- He carrier flow rate 40ml / miii.
- Substrate temperature 300 XPS analysis: Metal ruthenium film Reaction system pressure; 718Pa
- the organoruthenium complex of the present invention [Ru (mopd) (cod)], [Ru (mopd) (nbd)], [Ru (mopd) (hd)], [Ru (mopd) (vch)] and [Ru (mopd) (pd)]) have excellent metal ruthenium film formability at low temperature under each condition.
- Bis (acetylacetonato) (1,5-hexagen) ruthenium (II) is a novel compound represented by the following physical property values.
- IR nitrogen (cm—; 3076, 2923, 1576, 1517, 1400, 1268, 1201, 1022, 933, 767, 620, 43 2
- Example 2-2 to 2-4 deposition experiment; production of metal ruthenium thin film
- Example 2-1 Using the organoruthenium complex ([Ru (acac) (hd)]) obtained in Example 2-1, a vapor deposition experiment by the CVD method was performed to evaluate the film forming characteristics.
- the apparatus shown in Fig. 1 was used for the evaluation test.
- the ruthenium complex 20 in the vaporizer 3 (glass ampoule) is heated and vaporized by the heater 10B, exits the vaporizer 3 with the helium gas introduced after preheating by the preheater 10A via the mass flow controller 1A.
- the gas exiting the vaporizer 3 is introduced into the reactor 4 together with hydrogen gas (Example 2-2) or oxygen gas (Example 2-3) introduced through the mass flow controller 1B and the stop valve 2.
- Example 2-4 valve 2 was closed and hydrogen gas or oxygen gas was not circulated.
- the pressure in the reaction system is controlled to a predetermined pressure by opening and closing the valve 6 in front of the vacuum pump, and is monitored by the pressure gauge 5.
- the center of the glass reactor can be heated with a heater 10C.
- the ruthenium complex introduced into the reactor is set at the center of the reactor and undergoes a reduction reaction on the surface of the deposition substrate 21 heated to a predetermined temperature by the heater 10C, and a metal ruthenium thin film is deposited on the substrate 21. To do.
- the gas exiting the reactor 4 is exhausted to the atmosphere via a trap 7 and a vacuum pump.
- Ru complex [Ru (acac) 2 (hd)]
- He carrier flow rate 4 Oml / in in.
- Example 2-3 Oxygen flow rate; lOml / min. Film thickness; 60 nm
- Substrate material Si0 2 / Si XPS analysis; Metal ruthenium film Substrate temperature; 250
- Example 2-4 Substrate material; Si0 2 / Si film thickness; 30 nm
- the organoruthenium complex ([Rucac ⁇ hd)] force has excellent metal ruthenium film formability at low temperature under hydrogen gas reducing atmosphere, oxygen gas atmosphere, or thermal decomposition reaction. I understand.
- Example 3-1 Synthesis of bis (acetylacetonato) (1,3-pentagen) ruthenium (II) (hereinafter referred to as [Ru (a cac) (pd)])
- Example 3-1 Using the organoruthenium complex ([Ru (acac) (pd)]) obtained in Example 3-1, a vapor deposition experiment by the CVD method was performed to evaluate the film formation characteristics.
- the apparatus shown in Fig. 1 was used for the evaluation test.
- the ruthenium complex 20 in the vaporizer 3 (glass ampoule) is heated and vaporized by the heater 10B, exits the vaporizer 3 with the helium gas introduced after preheating by the preheater 10A via the mass flow controller 1A.
- the gas exiting the vaporizer 3 is introduced into the reactor 4 (in Example 3-2, it is introduced together with the hydrogen gas introduced through the mass flow controller 1B and the stop valve 2).
- the pressure in the reaction system is controlled to a predetermined pressure by opening and closing the valve 6 in front of the vacuum pump, and is monitored by the pressure gauge 5.
- the center of the glass reactor can be heated with a heater 10C.
- the ruthenium complex introduced into the reactor is set in the center of the reactor, undergoes a reduction reaction on the surface of the deposition substrate 21 heated to a predetermined temperature by the heater 10C, and a metal ruthenium thin film is formed on the substrate 21. Precipitate.
- the gas exiting the reactor 4 is exhausted to the atmosphere via a trap 7 and a vacuum pump.
- the apparatus shown in Fig. 1 was used for the evaluation test.
- the ruthenium complex 20 in the vaporizer 3 (glass ampoule) is heated and vaporized by the heater 10B, exits the vaporizer 3 with the helium gas introduced after preheating by the preheater 10A via the mass flow controller 1A.
- the gas exiting the vaporizer 3 is introduced into the reactor 4 together with the hydrogen gas introduced through the mass flow controller 1B and the stop valve 2.
- the pressure in the reaction system is controlled to a predetermined pressure by opening and closing the valve 6 in front of the vacuum pump, and is monitored by the pressure gauge 5.
- the central part of the glass reactor can be heated with a heater 10C.
- the ruthenium complex introduced into the reactor is set in the center of the reactor, undergoes a reduction reaction on the surface of the deposition substrate 21 heated to a predetermined temperature by the heater 10C, and a metal ruthenium thin film is deposited on the substrate 21. Put out.
- the gas exiting reactor 4 is exhausted to the atmosphere via trap 7 and vacuum pump.
- Table 5 shows the deposition conditions and the deposition results (film characteristics).
- a deposition substrate 7mm
- Example 4-1 Hydrogen flow rate: 120 ml / min n. Film thickness: 20 nm
- an organic ruthenium complex having a low melting point and excellent in stability to moisture, air, and heat and suitable for film formation by a CVD method, or the organic ruthenium complex is provided.
- a method for producing the ruthenium-containing thin film used can be provided.
- a metal ruthenium-containing thin film is produced by chemical vapor deposition using an organoruthenium complex having a ligand of / 3_diketonato and an unsaturated hydrocarbon compound having at least two double bonds. Law can be provided.
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- 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)
- Electrodes Of Semiconductors (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007800353181A CN101516818B (zh) | 2006-07-27 | 2007-07-26 | 有机钌络合物以及使用该钌络合物的钌薄膜的制造方法 |
| EP07791413A EP2053036A4 (en) | 2006-07-27 | 2007-07-26 | ORGANUTOUTHENIUM COMPLEX AND METHOD FOR PRODUCING A THIN RUBBER FILM FILM USING THE RUTHENIUM COMPLEX |
| JP2008526820A JP5375093B2 (ja) | 2006-07-27 | 2007-07-26 | 有機ルテニウム錯体及び当該ルテニウム錯体を用いたルテニウム薄膜の製造法 |
| US12/375,278 US8304567B2 (en) | 2006-07-27 | 2007-07-26 | Organoruthenium complex, and method for production of ruthenium thin film using the ruthenium complex |
Applications Claiming Priority (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006205402 | 2006-07-27 | ||
| JP2006-205402 | 2006-07-27 | ||
| JP2006233226 | 2006-08-30 | ||
| JP2006233225 | 2006-08-30 | ||
| JP2006-233225 | 2006-08-30 | ||
| JP2006-233226 | 2006-08-30 | ||
| JP2006308812 | 2006-11-15 | ||
| JP2006-308812 | 2006-11-15 | ||
| JP2006-338003 | 2006-12-15 | ||
| JP2006338003 | 2006-12-15 | ||
| JP2007-008680 | 2007-01-18 | ||
| JP2007008680 | 2007-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008013244A1 true WO2008013244A1 (en) | 2008-01-31 |
Family
ID=38981555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2007/064713 Ceased WO2008013244A1 (en) | 2006-07-27 | 2007-07-26 | Organoruthenium complex, and method for production of ruthenium thin film using the ruthenium complex |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8304567B2 (ja) |
| EP (1) | EP2053036A4 (ja) |
| JP (1) | JP5375093B2 (ja) |
| KR (1) | KR101467260B1 (ja) |
| CN (2) | CN103408598A (ja) |
| TW (1) | TWI409250B (ja) |
| WO (1) | WO2008013244A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008244017A (ja) * | 2007-03-26 | 2008-10-09 | Ulvac Japan Ltd | 半導体装置の製造方法 |
| JP2009081432A (ja) * | 2007-09-03 | 2009-04-16 | Ulvac Japan Ltd | 半導体装置の製造方法 |
| JP2010059471A (ja) * | 2008-09-03 | 2010-03-18 | Ube Ind Ltd | ルテニウム微粒子及びその製造法、並びにルテニウム微粒子を下層金属膜とした金属含有薄膜の製造方法 |
| WO2011052453A1 (ja) * | 2009-10-29 | 2011-05-05 | Jsr株式会社 | ルテニウム膜形成用材料及びルテニウム膜形成方法 |
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| US12018392B2 (en) | 2022-01-03 | 2024-06-25 | Saudi Arabian Oil Company | Methods for producing syngas from H2S and CO2 in an electrochemical cell |
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| US6303809B1 (en) | 1999-12-10 | 2001-10-16 | Yun Chi | Organometallic ruthenium and osmium source reagents for chemical vapor deposition |
| JP2003306472A (ja) | 2002-04-18 | 2003-10-28 | Tanaka Kikinzoku Kogyo Kk | Cvd用原料化合物及びルテニウム又はルテニウム化合物薄膜の化学気相蒸着方法 |
| JP2003342286A (ja) * | 2001-09-12 | 2003-12-03 | Tosoh Corp | ルテニウム錯体、その製造方法、及び薄膜の製造方法 |
| JP2005023379A (ja) * | 2003-07-03 | 2005-01-27 | Asahi Denka Kogyo Kk | 化学気相成長による薄膜の製造方法 |
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| JP2006241557A (ja) * | 2005-03-04 | 2006-09-14 | Jsr Corp | 化学気相成長材料及び化学気相成長方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100727372B1 (ko) | 2001-09-12 | 2007-06-12 | 토소가부시키가이샤 | 루테늄착체, 그 제조방법 및 박막의 제조방법 |
-
2007
- 2007-07-26 WO PCT/JP2007/064713 patent/WO2008013244A1/ja not_active Ceased
- 2007-07-26 JP JP2008526820A patent/JP5375093B2/ja not_active Expired - Fee Related
- 2007-07-26 CN CN2013103028216A patent/CN103408598A/zh active Pending
- 2007-07-26 US US12/375,278 patent/US8304567B2/en not_active Expired - Fee Related
- 2007-07-26 EP EP07791413A patent/EP2053036A4/en not_active Withdrawn
- 2007-07-26 CN CN2007800353181A patent/CN101516818B/zh not_active Expired - Fee Related
- 2007-07-26 KR KR1020097002867A patent/KR101467260B1/ko not_active Expired - Fee Related
- 2007-07-27 TW TW096127544A patent/TWI409250B/zh not_active IP Right Cessation
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| US6303809B1 (en) | 1999-12-10 | 2001-10-16 | Yun Chi | Organometallic ruthenium and osmium source reagents for chemical vapor deposition |
| JP2003342286A (ja) * | 2001-09-12 | 2003-12-03 | Tosoh Corp | ルテニウム錯体、その製造方法、及び薄膜の製造方法 |
| JP2003306472A (ja) | 2002-04-18 | 2003-10-28 | Tanaka Kikinzoku Kogyo Kk | Cvd用原料化合物及びルテニウム又はルテニウム化合物薄膜の化学気相蒸着方法 |
| JP2005023379A (ja) * | 2003-07-03 | 2005-01-27 | Asahi Denka Kogyo Kk | 化学気相成長による薄膜の製造方法 |
| WO2005087697A1 (ja) | 2004-03-15 | 2005-09-22 | Ube Industries, Ltd. | β−ジケトナトを配位子とする金属錯体 |
| JP2006241557A (ja) * | 2005-03-04 | 2006-09-14 | Jsr Corp | 化学気相成長材料及び化学気相成長方法 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008244017A (ja) * | 2007-03-26 | 2008-10-09 | Ulvac Japan Ltd | 半導体装置の製造方法 |
| JP2009081432A (ja) * | 2007-09-03 | 2009-04-16 | Ulvac Japan Ltd | 半導体装置の製造方法 |
| JP2010059471A (ja) * | 2008-09-03 | 2010-03-18 | Ube Ind Ltd | ルテニウム微粒子及びその製造法、並びにルテニウム微粒子を下層金属膜とした金属含有薄膜の製造方法 |
| WO2011052453A1 (ja) * | 2009-10-29 | 2011-05-05 | Jsr株式会社 | ルテニウム膜形成用材料及びルテニウム膜形成方法 |
| US8999442B2 (en) | 2009-10-29 | 2015-04-07 | Jsr Corporation | Ruthenium film-forming material and ruthenium film-forming method |
| TWI513681B (zh) * | 2009-10-29 | 2015-12-21 | Jsr股份有限公司 | Ruthenium film forming material and ruthenium film forming method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103408598A (zh) | 2013-11-27 |
| CN101516818A (zh) | 2009-08-26 |
| KR101467260B1 (ko) | 2014-12-01 |
| US8304567B2 (en) | 2012-11-06 |
| KR20090046831A (ko) | 2009-05-11 |
| TW200819423A (en) | 2008-05-01 |
| EP2053036A1 (en) | 2009-04-29 |
| CN101516818B (zh) | 2013-08-14 |
| JPWO2008013244A1 (ja) | 2009-12-17 |
| EP2053036A4 (en) | 2011-04-13 |
| JP5375093B2 (ja) | 2013-12-25 |
| TWI409250B (zh) | 2013-09-21 |
| US20100055313A1 (en) | 2010-03-04 |
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