%0 Journal Article %A S.M Valvidares %A M Huijben %A P Yu %A Ramamoorthy Ramesh %A J.B Kortright %B Physical Review B - Condensed Matter and Materials Physics %D 2010 %G eng %R 10.1103/PhysRevB.82.235410 %T Native SrTiO3 (001) surface layer from resonant Ti L 2,3 reflectance spectroscopy %V 82