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22 papers
Hard x-ray photoemission and density functional theory study of the internal electric field in SrTiO3/LaAlO3 oxide heterostructures
E. Slooten, Zhicheng Zhong, H. J. A. Molegraaf +16
A combined experimental and theoretical investigation of the electronic structure of the archetypal oxide heterointerface system LaAlO3 on SrTiO3 is presented. High-resolution, har…
High temperature magnetic insulating phase in ultrathin La0.67Sr0.33MnO3 films
Hans Boschker, Jaap Kautz, Evert P. Houwman +6
We present a study of the thickness dependence of magnetism and electrical conductivity in ultra thin La0.67Sr0.33MnO3 films grown on SrTiO3 (110) substrates. We found a critical t…
Quantum oscillations and subband properties of the two-dimensional electron gas at the LaAlO3/SrTiO3 interface
A. McCollam, S. Wenderich, M. K. Kruize +10
We have performed high field magnetotransport measurements to investigate the interface electron gas in LaAlO3/SrTiO3 heterostructures. Shubnikov-de Haas oscillations reveal severa…
Determining the Curie temperature of La0.67Sr0.33MnO3 thin films
Hans Boschker, Jo Verbeeck, Ricardo Egoavil +7
When comparing a set of La0.67Sr0.33MnO3 (LSMO) samples, the Curie temperature (TC) of the samples is an important figure of merit for the sample quality. Therefore, a reliable met…
Termination control of NdGaO3 crystal surfaces by selective chemical etching
V. Leca, D. H. A. Blank, G. Rijnders
A chemical etching method was developed for (110) and (001) NdGaO3 single crystal substrates in order to obtain an atomically flat GaO2-x - terminated surface. Depending on the sur…
Interplay of epitaxial strain and rotations in PbTiO/PbZrO superlattices from first principles
Jeroen L. Blok, Karin M. Rabe, David Vanderbilt +2
We present first-principles calculations of the structural phase behavior of the [1:1] \pzta\ superlattice and the \ptoa\ and \pzoa\ parent compounds as a function of in-plane epit…