TY - JOUR
T1 - Morphology of epitaxially grown BaRuO3 and CaRuO3 thin films by laser ablation
AU - Ito, Akihiko
AU - Masumoto, Hiroshi
AU - Goto, Takashi
PY - 2007
Y1 - 2007
N2 - Epitaxial BaRuO3 (BRO) and CaRuO3 (CRO) thin films were prepared on (001), (110) and (111) SrTiO3 (STO) single-crystal substrates by laser ablation, and their microstructures and anisotropy of electrical conductivity were investigated. The (205) (104), (110) and (009) oriented BRO thin films, and (001), (110) and (110) oriented CRO thin films were grown epitaxially on (001), (110) and (111) STO substrates with in-plain orientation, respectively. The (009) BRO thin film and (001) CRO thin film has a flat surface result from a good lattice matching to STO substrates. The (205) (104) BRO thin film and (111) CRO thin film exhibited orthogonal- and hexagonal-shaped texture, respectively, The (110) BRO thin film and (110) CRO thin film showed an island growth due to (110) surface feature of cubic perovskite structure. Epitaxial BRO and CRO thin films have a high electrical conductivity with a metallic conduction, the (111) CRO thin films exhibited the highest conductivity of 1.4×105 Sm-1.
AB - Epitaxial BaRuO3 (BRO) and CaRuO3 (CRO) thin films were prepared on (001), (110) and (111) SrTiO3 (STO) single-crystal substrates by laser ablation, and their microstructures and anisotropy of electrical conductivity were investigated. The (205) (104), (110) and (009) oriented BRO thin films, and (001), (110) and (110) oriented CRO thin films were grown epitaxially on (001), (110) and (111) STO substrates with in-plain orientation, respectively. The (009) BRO thin film and (001) CRO thin film has a flat surface result from a good lattice matching to STO substrates. The (205) (104) BRO thin film and (111) CRO thin film exhibited orthogonal- and hexagonal-shaped texture, respectively, The (110) BRO thin film and (110) CRO thin film showed an island growth due to (110) surface feature of cubic perovskite structure. Epitaxial BRO and CRO thin films have a high electrical conductivity with a metallic conduction, the (111) CRO thin films exhibited the highest conductivity of 1.4×105 Sm-1.
KW - Barium ruthenate
KW - Calcium ruthenate
KW - Epitaxial growth
KW - Laser ablation
KW - Morphology
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UR - http://www.scopus.com/inward/citedby.url?scp=34748831857&partnerID=8YFLogxK
U2 - 10.4028/0-87849-454-5.315
DO - 10.4028/0-87849-454-5.315
M3 - Article
AN - SCOPUS:34748831857
SN - 1013-9826
VL - 352
SP - 315
EP - 318
JO - Key Engineering Materials
JF - Key Engineering Materials
ER -