標題: Selective A- or B-site single termination on surfaces of layered oxide SrLaAlO4
作者: Biswas, A.
Rossen, P. B.
Ravichandran, J.
Chu, Y. -H.
Lee, Y. -W.
Yang, C. -H.
Ramesh, R.
Jeong, Y. H.
材料科學與工程學系
Department of Materials Science and Engineering
公開日期: 4-二月-2013
摘要: 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 A(2)BO(4) 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. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4790575]
URI: http://dx.doi.org/10.1063/1.4790575
http://hdl.handle.net/11536/21230
ISSN: 0003-6951
DOI: 10.1063/1.4790575
期刊: APPLIED PHYSICS LETTERS
Volume: 102
Issue: 5
結束頁: 
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