Abstract: A method of forming a tungsten film having low resistance is provided. The method includes forming a discontinuous film containing a metal on a substrate; and forming the tungsten film on the substrate on which the discontinuous film is formed. In the forming of the discontinuous film, a first source gas and a nitriding gas are supplied onto the substrate alternately along with, for example, a carrier gas. In the forming of the tungsten film, a second source gas and a reducing gas are supplied onto the substrate alternately along with, for example, a carrier gas.

Abstract: There is provided a tungsten film forming method which includes: forming a first tungsten film on a substrate; and forming a second tungsten film on the first tungsten film. The forming a first tungsten film includes alternately supplying a first raw material gas containing tungsten and a diborane gas together with a first carrier gas to the substrate. The forming a second tungsten film includes alternately supplying a second raw material gas containing tungsten and a hydrogen gas together with a second carrier gas to the substrate on which the first tungsten film is formed. The first carrier gas is a nitrogen gas. The second carrier gas includes at least one kind of nobel gas and has the noble gas at a flow rate of 70% or more with respect to a total flow rate of the second carrier gas.

Abstract: A method of forming a TiSiN film having a desired film characteristic includes: forming a TiN film by executing an operation of supplying, into a process container in which a substrate is accommodated, a Ti-containing gas and a nitrogen-containing gas in this order a number of times X, X being an integer of 1 or more; and forming a SiN film by executing an operation of supplying, into the process container, a Si-containing gas and a nitrogen-containing gas in this order a number of times Y, Y being an integer of 1 or more, wherein forming a TiN film and forming a SiN film are executed in this order a number of times Z, Z being an integer of 1 or more, and wherein, in forming a SiN film, a flow rate of the Si-containing gas is controlled to be a flow rate determined according to the desired film characteristic.

Abstract: A method of forming a tungsten film having low resistance is provided. The method includes forming a discontinuous film containing a metal on a substrate; and forming the tungsten film on the substrate on which the discontinuous film is formed. In the forming of the discontinuous film, a first source gas and a nitriding gas are supplied onto the substrate alternately along with, for example, a carrier gas. In the forming of the tungsten film, a second source gas and a reducing gas are supplied onto the substrate alternately along with, for example, a carrier gas.

Abstract: There is provided a tungsten film forming method which includes: forming a first tungsten film on a substrate; and forming a second tungsten film on the first tungsten film. The forming a first tungsten film includes alternately supplying a first raw material gas containing tungsten and a diborane gas together with a first carrier gas to the substrate. The forming a second tungsten film includes alternately supplying a second raw material gas containing tungsten and a hydrogen gas together with a second carrier gas to the substrate on which the first tungsten film is formed. The first carrier gas is a nitrogen gas. The second carrier gas includes at least one kind of inert gas and has a noble gas at a flow rate of 70% or more with respect to a total flow rate of the second carrier gas.

Abstract: A Ge—Sb—Te film forming method includes a Sb source material introducing process, a first purging process, a Te source material introducing process, a second purging process, a Ge source material introducing process, a third purging process. An additive gas containing at least one of ammonia, methylamine, dimethylamine, hydrazine, monomethylhydrazine, dimethylhydrazine and pyridine is introduced in at least one of the Sb, Te and Ge source material introducing processes and the first to third purging processes.

Abstract: Disclosed is a method for forming a Ge—Sb—Te film, in which a substrate is disposed within a process chamber, a gaseous Ge material, a gaseous Sb material, and a Te material are introduced into the process chamber, so that a Ge—Sb—Te film formed of Ge2Sb2Te5 is formed on the substrate by CVD. The method for forming a Ge—Sb—Te film comprises: a step (step 2) wherein the gaseous Ge material and the gaseous Sb material or alternatively a small amount of the gaseous Te material not sufficient for formed of Ge2Sb2Te5 in addition to the gaseous Ge material and the gaseous Sb material are introduced into the process chamber so that a precursor film, which does not contain Te or contains Te in an amount smaller than that in Ge2Sb2Te5, is formed on the substrate; and a step (step 3) wherein the gaseous Te material is introduced into the process chamber and the precursor film is caused to adsorb Te, so that the Te concentration in the film is adjusted.

Abstract: There is provided a method for forming a Ge—Sb—Te film having a composition of Ge2Sb2Te5 on a substrate by a CVD method using a gaseous Ge source material, a gaseous Sb source material and a gaseous Te source material. The method includes loading the substrate within a processing chamber (Process 1); performing a first stage film forming process on the substrate by supplying the gaseous Ge source material and the gaseous Sb source material (Process 2); and performing a second stage film forming process on a film obtained through the first stage film forming process by supplying the gaseous Sb source material and the gaseous Te source material (Process 3). The Ge—Sb—Te film is formed by the film obtained through Process 2 and by a film obtained through Process 3.

Abstract: A Ge—Sb—Te film forming method includes a Sb source material introducing process, a first purging process, a Te source material introducing process, a second purging process, a Ge source material introducing process, a third purging process. An additive gas containing at least one of ammonia, methylamine, dimethylamine, hydrazine, monomethylhydrazine, dimethylhydrazine and pyridine is introduced in at least one of the Sb, Te and Ge source material introducing processes and the first to third purging processes.

Abstract: A film is formed so that the atomic numbers ratio of Sr to Ti, i.e., Sr/Ti, in the film is not less than 1.2 and not more than 3. The film is then annealed in an atmosphere containing not less than 0.001% and not more than 80% of O2 at 500° C. or above. An SrO film forming step or a TiO film forming step are repeated a plurality of times so that a sequence, in which a plurality of SrO film forming steps or/and a plurality of TiO film forming steps are performed continuously, is included. When Sr is oxidized after the adsorption of Sr, O3 and H2O are used as an oxidizing agent.

Abstract: A ruthenium film formation method includes placing and heating a substrate inside a process chamber, and supplying a ruthenium compound gas and a decomposing gas for decomposing this compound into the process chamber while periodically modulating at least one of flow rates of these gases, to form a plurality of steps having gas compositions different from each other. Without purging an interior of the process chamber between these steps, the method includes causing the gases to react with each other on the substrate thus heated, thereby forming a ruthenium film on the substrate.

Abstract: Disclosed is a method for forming a Ge—Sb—Te film, in which a substrate is disposed within a process chamber, a gaseous Ge material, a gaseous Sb material, and a Te material are introduced into the process chamber, so that a Ge—Sb—Te film formed of Ge2Sb2Te5 is formed on the substrate by CVD. The method for forming a Ge—Sb—Te film comprises: a step (step 2) wherein the gaseous Ge material and the gaseous Sb material or alternatively a small amount of the gaseous Te material not sufficient for formed of Ge2Sb2Te5 in addition to the gaseous Ge material and the gaseous Sb material are introduced into the process chamber so that a precursor film, which does not contain Te or contains Te in an amount smaller than that in Ge2Sb2Te5, is formed on the substrate; and a step (step 3) wherein the gaseous Te material is introduced into the process chamber and the precursor film is caused to adsorb Te, so that the Te concentration in the film is adjusted.

Abstract: A film-forming method includes a preprocessing step (step 1) wherein the inside of a processing chamber is exposed to a gas containing Cl and/or F in a state having no substrate in the processing chamber, and a step (step 2) wherein a substrate is loaded into the processing chamber after the step 1. Then, in a step 3, a gaseous Ge raw material, a gaseous Sb raw material, and a gaseous Te raw material are introduced into the processing chamber having the substrate loaded therein, and a Ge—Sb—Te film formed of Ge2Sb2Te5 is formed on the substrate by CVD.

Abstract: There is provided a method for forming a Ge—Sb—Te film having a composition of Ge2Sb2Te5 on a substrate by a CVD method using a gaseous Ge source material, a gaseous Sb source material and a gaseous Te source material. The method includes loading the substrate within a processing chamber (Process 1); performing a first stage film forming process on the substrate by supplying the gaseous Ge source material and the gaseous Sb source material (Process 2); and performing a second stage film forming process on a film obtained through the first stage film forming process by supplying the gaseous Sb source material and the gaseous Te source material (Process 3). The Ge—Sb—Te film is formed by the film obtained through Process 2 and by a film obtained through Process 3.

Abstract: A film-forming method includes a preprocessing step (step 1) wherein the inside of a processing chamber is exposed to a gas containing Cl and/or F in a state having no substrate in the processing chamber, and a step (step 2) wherein a substrate is loaded into the processing chamber after the step 1. Then, in a step 3, a gaseous Ge raw material, a gaseous Sb raw material, and a gaseous Te raw material are introduced into the processing chamber having the substrate loaded therein, and a Ge—Sb—Te film formed of Ge2Sb2Te5 is formed on the substrate by CVD.

Abstract: An AxByOz-type oxide film can be produced by introducing a first organic metal compound source material, a second organic metal compound source material and an oxidizer into a processing chamber and forming the AxByOz-type oxide film on a substrate. In the production, a compound which has a low vapor pressure and has an organic ligand capable of being decomposed with an oxidizer to produce CO is used as the first organic metal compound source material, a metal alkoxide is used as the second organic metal compound source material, and gaseous O3 or O2 is used as the oxidizer. It is absolutely necessary to introduce the second organic metal compound source material immediately before the introduction of the oxidizer.

Abstract: Disclosed is a method for Sr—Ti—O-base film formation. The method comprises placing a substrate with a Ru film formed thereon in a treatment vessel, introducing a gaseous Ti material, a gaseous Sr material, and a gaseous oxidizing agent into the treatment vessel to form a first Sr—Ti—O-base film having a thickness of not more than 10 nm on the Ru film, annealing the first Sr—Ti—O-base film for crystallization, introducing a gaseous Ti material, a gaseous Sr material, and a gaseous oxidizing agent into the treatment vessel to form a second Sr—Ti—O-base film on the first Sr—Ti—O-base film, and annealing the second Sr—Ti—O-base film for crystallization.

Abstract: A film is formed so that the atomic numbers ratio of Sr to Ti, i.e., Sr/Ti, in the film is not less than 1.2 and not more than 3. The film is then annealed in an atmosphere containing not less than 0.001% and not more than 80% of O2 at 500° C. or above. An SrO film forming step or a TiO film forming step are repeated a plurality of times so that a sequence, in which a plurality of SrO film forming steps or/and a plurality of TiO film forming steps are performed continuously, is included. When Sr is oxidized after the adsorption of Sr, O3 and H2O are used as an oxidizing agent.

Abstract: A substrate is placed and heated in a process chamber. A gas of a pentadienyl compound of ruthenium, such as 2,4-dimethylpentadienyl ethylcyclopentadienyl ruthenium, and oxygen gas are supplied into the process chamber. These gases react with each other on the substrate thus heated, and a ruthenium film is thereby formed on the substrate.

Abstract: A semiconductor substrate is placed in a predetermined processing vessel, and oxygen gas activated by, e.g. conversion into a plasma is supplied onto an insulating film. The surfaces of an interlevel insulating film and insulating film are exposed to the activated oxygen gas. After that, a transition metal film, e.g. a ruthenium film, is formed by CVD.