摘要:
The present invention provides a metal alkoxide compound represented by the following general formula (1), a thin-film-forming raw material containing the same, and a thin film production method of forming a metal-containing thin film using the raw material:
wherein R 1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R 2 represents an isopropyl group, a sec-butyl group, a tert-butyl group, a sec-pentyl group, a 1-ethylpropyl group or a tert-pentyl group, R 3 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R 4 represents an alkyl group having 1 to 4 carbon atoms, M represents a scandium atom, an yttrium atom, a lanthanum atom, a cerium atom, a praseodymium atom, a neodymium atom, a promethium atom, a samarium atom, a europium atom, a gadolinium atom, a terbium atom, a dysprosium atom, a holmium atom, an erbium atom, a thulium atom, an ytterbium atom or a lutetium atom, and n represents the valence of the atom represented by M; here, when M is a lanthanum atom, R 2 is a sec-butyl group, a tert-butyl group, a sec-pentyl group, a 1-ethylpropyl group or a tert-pentyl group.
摘要:
A vanadium compound represented by following General Formula (1).
In General Formula (1), R 1 represents a linear or branched alkyl group having 1 to 7 carbon atoms and n represents a number from 2 to 4. R 1 preferably represents a secondary alkyl or a tertiary alkyl. It is preferred that in General Formula (1), n is 2 and R 1 is tert-butyl group or tert-pentyl group, since the compound has a broad ALD window and high thermal decomposition temperature to be able to form a good quality vanadium-containing thin film that has a small carbon residue when used as an ALD material.
摘要:
Provided is a method of producing a thin-film containing a hafnium atom on a surface of a substrate by an atomic layer deposition method, including: a step 1 of causing a raw material gas obtained by vaporizing a thin-film forming raw material containing a hafnium compound represented by the following general formula (1) to adsorb to the surface of the substrate to form a precursor thin-film; a step 2 of evacuating the raw material gas remaining unreacted; and a step 3 of causing the precursor thin-film to react with a reactive gas at a temperature of 300°C or more and less than 450°C to form the thin-film containing a hafnium atom on the surface of the substrate:
wherein R 1 and R 2 each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and R 3 and R 4 each independently represent an alkyl group having 1 to 3 carbon atoms.
摘要:
The present invention provides a method for producing an yttrium oxide-containing film by an atomic layer deposition method, including: a step (A) of introducing a raw material gas obtained by vaporizing a thin film-forming raw material containing tris(sec-butylcyclopentadienyl)yttrium into a processing atmosphere to deposit the tris(sec-butylcyclopentadienyl)yttrium on a substrate; and a step (B) of reacting the tris(sec-butylcyclopentadienyl)yttrium deposited on the substrate with a reactive gas containing a gas selected from the group consisting of oxygen plasma, ozone, ozone plasma, and mixtures thereof in the processing atmosphere to oxidize yttrium.
摘要:
A method for producing an yttrium oxide-containing thin film by atomic layer deposition, the method comprising: a step for introducing a raw material gas containing tris(sec-butylcyclopentadienyl) yttrium into a treatment atmosphere in order to deposit tris(sec-butylcyclopentadienyl) yttrium on a substrate; and a step for introducing a reactive gas containing water vapor into the treatment atmosphere and causing the reactive gas to react with the tris(sec-butylcyclopentadienyl) yttrium that has been deposited on the substrate, thereby oxidizing yttrium is provided.
摘要:
This invention provides a copper compound represented by General Formula (I) below. In General Formula (I), R 1 to R 3 independently represent a linear or branched alkyl group with a carbon number of 1 to 5; provided that R 1 and R 2 are a methyl group, R 3 represents a linear or branched alkyl group with a carbon number of 2 to 5; and provided that R 1 is a methyl group and R 2 is an ethyl group, R 3 represents a methyl group or a linear or branched alkyl group with a carbon number of 3 to 5. A starting material for forming a thin film of the present invention includes the copper compound represented by General Formula (I). The present invention can provide a copper compound which has a low melting point, can be conveyed in a liquid state, has a high vapor pressure, and is easily vaporizable, and also a starting material for forming a thin film which uses such a copper compound.
摘要:
This invention provides a copper compound represented by General Formula (I) below. In General Formula (I), R 1 to R 3 independently represent a linear or branched alkyl group with a carbon number of 1 to 5; provided that R 1 and R 2 are a methyl group, R 3 represents a linear or branched alkyl group with a carbon number of 2 to 5; and provided that R 1 is a methyl group and R 2 is an ethyl group, R 3 represents a methyl group or a linear or branched alkyl group with a carbon number of 3 to 5. A starting material for forming a thin film of the present invention includes the copper compound represented by General Formula (I). The present invention can provide a copper compound which has a low melting point, can be conveyed in a liquid state, has a high vapor pressure, and is easily vaporizable, and also a starting material for forming a thin film which uses such a copper compound.
摘要:
Provided is a method of producing a copper-containing layer, including: step 1: a step of reducing a surface of a substrate, provided that a substrate having a surface formed of a silicic acid compound is excluded, through use of a reducing agent; and step 2: a step of forming a copper-containing layer on the surface having been reduced in the step 1 through use of a thin-film forming raw material containing a copper compound by a plasma atomic layer deposition method.
摘要:
Provided is a thin-film forming raw material, which is used in an atomic layer deposition method, including a magnesium compound represented by the following general formula (1):
where R 1 represents an isopropyl group, a sec-butyl group, or a tert-butyl group. A thin-film containing a magnesium atom is produced on a surface of a substrate with high productivity through use of the raw material.
摘要:
A novel compound represented by the general formula (I) or (II) below:
[in the formula, each of R 1 and R 2 independently represent a C 1∼12 hydrocarbon group, and Si(R 3 ) 3 is optionally substituted for a hydrogen atom in the hydrocarbon group; however, R 1 and R 2 are different groups; R 3 represents a methyl or ethyl group; M represents a metal atom or silicon atom; and n is an integer from 1 to 4].