Tantal and vanadium compounds and their use in chemical vapour deposition (CVD)

Tantalum- (Ta) or niobium (Nb) compounds (I) are new. Tantalum- (Ta) or niobium (Nb) compounds of formula (I) are new. M : Ta or Nb; R 1>, R 2>optionally substituted 1-12C alkyl, 5-12C cycloalkyl, 6-10C aryl, 1-alkenyl, 2-alkenyl, 3-alkenyl, triorganosilyl residue (-SiR 3) or amino residue (NR...

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1. Verfasser:	REUTER KNUD DR.,SUNDERMEYER JOERG PROF DR.,MERKOULOV ALEXEI,STOLZ WOLFGANG DR.,KERSTIN VOLZ,POKOJ MICHAEL,OCHS THOMAS
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY ORGANIC CHEMISTRY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	Tantalum- (Ta) or niobium (Nb) compounds (I) are new. Tantalum- (Ta) or niobium (Nb) compounds of formula (I) are new. M : Ta or Nb; R 1>, R 2>optionally substituted 1-12C alkyl, 5-12C cycloalkyl, 6-10C aryl, 1-alkenyl, 2-alkenyl, 3-alkenyl, triorganosilyl residue (-SiR 3) or amino residue (NR 2); R : 1-4C alkyl; R 3>substituted 1-8C alkyl, 5-10C cycloalkyl, 6-14C aryl, SiR 3or NR 2; R 4>Cl, Br, I or NH-R 5>; R 5>substituted 1-8C alkyl-, 5-10C cycloalkyl, 6-10C aryl or O-R 6>; R 6>substituted 1-11C alkyl, 5-10C cycloalkyl, 6-10C aryl, -SiR 3, BH 4, indenyl residue, benzyl residue, cyclopentadienyl residue or -NRo-NRaRb (hydrazido(-1)); Ro, Ra, Rb : 1-4C alkyl, CH 2SiMe 3, pseudohalogenide (-N 3) or silylamide (-N(SiMe 3) 2); and R 7>, R 8>H, optionally substituted 1-12C alkyl, 5-12C cycloalkyl or 6-10C aryl. Independent claims are also included for: (1) a tantalum nitride layer; (2) a substrate showing tantalum nitride layer obtained from (I); (3) a niobium nitride layer; and (4) a substrate showing niobium nitride layer obtained from (I). [Image].