Niobium and vanadium organometallic precursors for thin film deposition
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United States of America Patent
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May 26, 2015
Grant Date -
Nov 7, 2013
app pub date -
May 7, 2013
filing date -
Oct 7, 2008
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Abstract
Disclosed are methods for forming a metal-containing layer on a substrate. The methods include providing a vapor and at least one reaction gas and reacting the vapor and the reaction gas with the substrate by a deposition process. The vapor may be selected from the group consisting of (Cp)V(═NtBu)(NEt2)2; (Cp)V(═NtBu)(NMe2)2; (Cp)V(═NtBu)(NEtMe)2; (Cp)V(═NiPr)(NEt2)2; (Cp)V(═NiPr)(NMe2)2; (Cp)V(═NiPr)(NEtMe)2; (Cp)V(═NC5H11)(NEt2)2; (Cp)V(═NC5H11)(NMe2)2; (Cp)V(═NC5H11)(NEtMe)2; (Cp)Nb(═NtBu)(NEt2)2; (Cp)Nb(═NtBu)(NMe2)2; (Cp)Nb(═NtBu)(NEtMe)2; (Cp)Nb(═NiPr)(NEt2)2; (Cp)Nb(═NiPr)(NMe2)2; (Cp)Nb(═NiPr)(NEtMe)2; (Cp)Nb(═NC5H11)(NEt2)2; (Cp)Nb(═NC5H11)(NMe2)2; and (Cp)Nb(═NC5H11)(NEtMe)2. The reaction gas may be selected from the group consisting of hydrogen, hydrogen sulfide, hydrogen selenide, hydrogen telluride, carbon monoxide, ammonia, organic amine, silane, disilane, higher silanes, silylamines, diborane, hydrazine, methylhydrazine, chlorosilane, chloropolysilane, metal alkyl, arsine, phosphine, trialkylboron, oxygen, hydrogen peroxide, nitrous oxide, nitrogen monoxide, nitrogen dioxide, alcohols, plasma comprising fragments of those species, and combinations thereof.
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