Abstract: Systems for depositing a transition metal chalcogenide film on a substrate by cyclical deposition process are disclosed. The methods may include, contacting the substrate with at least one transition metal containing vapor phase reactant comprising at least one of a hafnium precursor, or a zirconium precursor, and contacting the substrate with at least one chalcogen containing vapor phase reactant. Semiconductor device structures including a transition metal chalcogenide film deposited by the methods of the disclosure are also provided.

Abstract: Methods for depositing rhenium-containing thin films are provided. In some embodiments metallic rhenium-containing thin films are deposited. In some embodiments rhenium sulfide thin films are deposited. In some embodiments films comprising rhenium nitride are deposited. The rhenium-containing thin films may be deposited by cyclic vapor deposition processes, for example using rhenium halide precursors. The rhenium-containing thin films may find use, for example, as 2D materials.

Abstract: Aspects of this disclosure relate to selective removal of material of a layer, such as a carbon-containing layer. The layer can be over a patterned structure of two different materials. Treating the layer to cause the removal agent to be catalytically activated by a first area of the patterned structure to remove material of the organic material over the first area at a greater rate than over a second area of the patterned structure having a different composition from the first area.

Abstract: Vapor deposition methods for depositing transition metal dichalcogenide (TMDC) films, such as rhenium sulfide thin films, are provided. In some embodiments TMDC thin films are deposited using a deposition cycle in which a substrate in a reaction space is alternately and sequentially contacted with a vapor phase transition metal precursor, such as a transition metal halide, a reactant comprising a reducing agent, such as NH3 and a chalcogenide precursor. In some embodiments rhenium sulfide thin films are deposited using a vapor phase rhenium halide precursor, a reducing agent and a sulfur precursor. The deposited TMDC films can be etched by chemical vapor etching using an oxidant such as O2 as the etching reactant and an inert gas such as N2 to remove excess etching reactant. The TMDC thin films may find use, for example, as 2D materials.

Abstract: Atomic layer deposition (ALD) processes for forming Te-containing thin films, such as Sb—Te, Ge—Te, Ge—Sb—Te, Bi—Te, and Zn—Te thin films are provided. ALD processes are also provided for forming Se—containing thin films, such as Sb—Se, Ge—Se, Ge—Sb—Se, Bi—Se, and Zn—Se thin films are also provided. Te and Se precursors of the formula (Te,Se)(SiR1R2R3)2 are preferably used, wherein R1, R2, and R3 are alkyl groups. Methods are also provided for synthesizing these Te and Se precursors. Methods are also provided for using the Te and Se thin films in phase change memory devices.

Abstract: Methods for depositing rhenium-containing thin films are provided. In some embodiments metallic rhenium-containing thin films are deposited. In some embodiments rhenium sulfide thin films are deposited. In some embodiments films comprising rhenium nitride are deposited. The rhenium-containing thin films may be deposited by cyclic vapor deposition processes, for example using rhenium halide precursors. The rhenium-containing thin films may find use, for example, as 2D materials.

Abstract: A method of depositing a metal-containing material is disclosed. The method can include use of cyclic deposition techniques, such as cyclic chemical vapor deposition and atomic layer deposition. The metal-containing material can include intermetallic compounds. A structure including the metal-containing material and a system tor forming the material are also disclosed.

Abstract: Vapor deposition processes for forming thin films comprising gold on a substrate in a reaction space are provided. The processes can be cyclical vapor deposition processes, such as atomic layer deposition (ALD) processes. The processes can include contacting the substrate with a gold precursor comprising at least one sulfur donor ligand and at least one alkyl ligand, and contacting the substrate with a second reactant comprising ozone. The deposited thin films comprising gold can be uniform, continuous, and conductive at very low thicknesses.

Abstract: A method of depositing a metal-containing material is disclosed. The method can include use of cyclic deposition techniques, such as cyclic chemical vapor deposition and atomic layer deposition. The metal-containing material can include intermetallic compounds. A structure including the metal-containing material and a system for forming the material are also disclosed.

Abstract: Processes for forming Mo and W containing thin films, such as MoS2, WS2, MoSe2, and WSe2 thin films are provided. Methods are also provided for synthesizing Mo or W beta-diketonate precursors. Additionally, methods are provided for forming 2D materials containing Mo or W.

Abstract: Methods are provided for synthesizing W(IV) beta-diketonate precursors. Additionally, methods are provided for forming W containing thin films, such as WS2, WNx, WO3, and W via vapor deposition processes, such as atomic layer deposition (ALD) type processes and chemical vapor deposition (CVD) type processes. Methods are also provided for forming 2D materials containing W.

Abstract: Atomic layer deposition (ALD) processes for forming Te-containing thin films, such as Sb—Te, Ge—Te, Ge—Sb—Te, Bi—Te, and Zn—Te thin films are provided. ALD processes are also provided for forming Se-containing thin films, such as Sb—Se, Ge—Se, Ge—Sb—Se, Bi—Se, and Zn—Se thin films are also provided. Te and Se precursors of the formula (Te,Se)(SiR1R2R3)2 are preferably used, wherein R1, R2, and R3 are alkyl groups. Methods are also provided for synthesizing these Te and Se precursors. Methods are also provided for using the Te and Se thin films in phase change memory devices.

Abstract: Vapor deposition processes for forming thin films comprising gold on a substrate in a reaction space are provided. The processes can be cyclical vapor deposition processes, such as atomic layer deposition (ALD) processes. The processes can include contacting the substrate with a gold precursor comprising at least one sulfur donor ligand and at least one alkyl ligand, and contacting the substrate with a second reactant comprising ozone. The deposited thin films comprising gold can be uniform, continuous, and conductive at very low thicknesses.

Abstract: Processes for forming Mo and W containing thin films, such as MoS2, WS2, MoSe2, and WSe2 thin films are provided. Methods are also provided for synthesizing Mo or W beta-diketonate precursors. Additionally, methods are provided for forming 2D materials containing Mo or W.

Abstract: A method for filling a gap feature on a substrate surface is disclosed. The method may include: providing a substrate comprising a non-planar surface including one or more gap features; depositing a metal oxide film over a surface of the one or more gap features by a cyclical deposition process; contacting the metal oxide with an organic ligand vapor; and converting at least a portion of the metal oxide film to a porous material thereby filling the one or more gap features. Semiconductor structures including a metal-organic framework material formed by the methods of the disclosure are also disclosed.

Abstract: Atomic layer deposition (ALD) processes for forming Group VA element containing thin films, such as Sb, Sb—Te, Ge—Sb and Ge—Sb—Te thin films are provided, along with related compositions and structures. Sb precursors of the formula Sb(SiR1R2R3)3 are preferably used, wherein R1, R2, and R3 are alkyl groups. As, Bi and P precursors are also described. Methods are also provided for synthesizing these Sb precursors. Methods are also provided for using the Sb thin films in phase change memory devices.

Abstract: Methods are provided for synthesizing W(IV) beta-diketonate precursors. Additionally, methods are provided for forming W containing thin films, such as WS2, WNx, WO3, and W via vapor deposition processes, such as atomic layer deposition (ALD) type processes and chemical vapor deposition (CVD) type processes. Methods are also provided for forming 2D materials containing W.

Abstract: Atomic layer deposition (ALD) processes for forming Group VA element containing thin films, such as Sb, Sb—Te, Ge—Sb and Ge—Sb—Te thin films are provided, along with related compositions and structures. Sb precursors of the formula Sb(SiR1R2R3)3 are preferably used, wherein R1, R2, and R3 are alkyl groups. As, Bi and P precursors are also described. Methods are also provided for synthesizing these Sb precursors. Methods are also provided for using the Sb thin films in phase change memory devices.

Abstract: Methods for depositing group 5 chalcogenides on a substrate are disclosed. The methods include cyclical deposition techniques, such as atomic layer deposition. The group 5 chalcogenides can be two-dimensional films having desirable electrical properties.

Abstract: Methods for forming a metallic film on a substrate by cyclical deposition are provided. In some embodiments methods may include contacting the substrate with a first reactant comprising a non-halogen containing metal precursor comprising at least one of copper, nickel or cobalt and contacting the substrate with a second reactant comprising a hydrocarbon substituted hydrazine. In some embodiments related semiconductor device structures may include at least a portion of a metallic interconnect formed by cyclical deposition processes.