TITLE

Orientation control and self-assembled nanopyramid structure of LaFeO3 films epitaxially grown on SrTiO3(001) substrates

AUTHOR(S)
Lei Bi; Hyun-Suk Kim; Dionne, Gerald F.; Ross, C. A.; Hanjong Paik; Yun Chang Park
PUB. DATE
September 2009
SOURCE
Applied Physics Letters;9/21/2009, Vol. 95 Issue 12, p121908
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Epitaxial films of LaFeO3 (LFO) were grown on SrTiO3(001) (STO) substrates using pulsed laser deposition. Two epitaxial orientations were observed: α where LFO(110)∥STO(100) and β where LFO(001)∥STO(100). By controlling the deposition conditions, LaFeO3 films could be grown with just the α orientation or with simultaneous α and β orientations in which the film consisted of a self-assembled array of nanoscale β pyramids embedded in a matrix of α. The microstructure and growth mechanism of the films and their exchange-bias with a Co overlayer are discussed.
ACCESSION #
44374737

 

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