TY - JOUR
KW - Substrates
KW - Annealing methods
KW - Chemical nature
KW - Controlled environment
KW - Layered oxides
KW - Potassium ions
KW - SrLaAlO
KW - Structured substrate
KW - Thermal-annealing
KW - Capillary flow
KW - Transport properties
KW - Positive ions
AU - A Biswas
AU - P.B Rossen
AU - J Ravichandran
AU - Y.-H Chu
AU - Y.-W Lee
AU - C.-H Yang
AU - Ramamoorthy Ramesh
AU - Y.H Jeong
AB - We demonstrate that thermal annealing in cation controlled environments is an effective means to obtain atomically flat and chemically single terminated surfaces of a layer structured substrate. The effectiveness of the cation controlled annealing method is proved with SrLaAlO4, which is a representative layer structured substrate of A2BO4 type. Potassium ion scattering, in particular, shows that the method allows not only single termination but also selective termination of either A- or B-site on the substrate. We further demonstrate that the chemical nature of underlying SrLaAlO4 substrates is of critical importance in the growth of SrRuO3 thin films resulting in different morphologies and transport properties. © 2013 American Institute of Physics.
BT - Applied Physics Letters
DO - 10.1063/1.4790575
LA - eng
M1 - 5
N1 - cited By 6
N2 - We demonstrate that thermal annealing in cation controlled environments is an effective means to obtain atomically flat and chemically single terminated surfaces of a layer structured substrate. The effectiveness of the cation controlled annealing method is proved with SrLaAlO4, which is a representative layer structured substrate of A2BO4 type. Potassium ion scattering, in particular, shows that the method allows not only single termination but also selective termination of either A- or B-site on the substrate. We further demonstrate that the chemical nature of underlying SrLaAlO4 substrates is of critical importance in the growth of SrRuO3 thin films resulting in different morphologies and transport properties. © 2013 American Institute of Physics.
PY - 2013
T2 - Applied Physics Letters
TI - Selective A- or B-site single termination on surfaces of layered oxide SrLaAlO4
VL - 102
SN - 00036951
ER -