Sublimation epitaxy of 3C-SiC grown at Si- and C-rich conditions

Beshkova, MilenaLinköpings universitet,Halvledarmaterial,Tekniska högskolan (författare)

Funding Agencies|European Community through the MANSiC|MRTN-CT-2006-035735|
3C-SiC layers have been grown by using sublimation epitaxy at a source temperature of 2000 degrees C, under vacuum conditions (andlt;10(-5) mbar) on well oriented (on-axis) 6H-SiC (0001) substrates. Close space sublimation growth geometry has been used in a RF-heated furnace employing high-purity graphite crucible with a possibility to change the growth environment from Si vapor-rich to C vapor-rich. The optical microscopy in transmission mode reveals continuous 3C-domains for 3C-SiC with less than 0.4% 6H-inclusions for the layer grown at Si-rich conditions, and separate 3C-SiC domains for the layer grown at C-rich conditions. The type of 6H-inclusions for layers with continuous domain structure investigated by Atomic Force Microscopy (AFM) is discussed. 2Theta-omega scan shows 0006 and 111 peaks coming from the substrate and the layer, respectively with a higher intensity of the 111 peak for 3C-SiC grown at Si-rich conditions which is related with the continuous character of the 3C-SiC domains.

Birch, JensLinköpings universitet,Tunnfilmsfysik,Tekniska högskolan(Swepub:liu)jenbi91 (författare)
Syväjärvi, MikaelLinköpings universitet,Halvledarmaterial,Tekniska högskolan(Swepub:liu)miksy08 (författare)
Yakimova, RositsaLinköpings universitet,Halvledarmaterial,Tekniska högskolan(Swepub:liu)rosia15 (författare)
Linköpings universitetHalvledarmaterial (creator_code:org_t)

Av författaren/redakt...: Beshkova, Milena; Birch, Jens; Syväjärvi, Mikae ...; Yakimova, Rosits ...

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