TITLE

Fabrication of semiconductor Kagome lattice structure by selective area metalorganic vapor phase epitaxy

AUTHOR(S)
Mohan, Premila; Nakajima, Fumito; Akabori, Masashi; Motohisa, Junichi; Fukui, Takashi
PUB. DATE
July 2003
SOURCE
Applied Physics Letters;7/28/2003, Vol. 83 Issue 4, p689
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Artificial two-dimensional semiconductor Kagome lattice structures formed by quantum wires can show ferromagnetism when the flatband is half filled, even though it does not have any magnetic elements. Experimental realization of such a Kagome lattice structure is reported. The structure, with different pattern periods, was formed with GaAs quantum wires by selective area metalorganic vapor phase epitaxy on GaAs (111)B substrates. To overcome the lateral overgrowth and to improve the shape of smaller period pattern, flow rate modulation epitaxy was employed and a GaAs Kagome lattice structure with 1 µm period was effectively grown.
ACCESSION #
10331087

 

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