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Metallic and insulating interfaces of amorphous SrTiO3-based oxide heterostructures
Yunzhong Chen, Nini Pryds, Josee E. Kleibeuker +6
The conductance confined at the interface of complex oxide heterostructures provides new opportunities to explore nanoelectronic as well as nanoionic devices. Herein we show that m…
Band offsets and density of Ti3+ states probed by X-ray photoemission on LaAlO3/SrTiO3 heterointerfaces and their LaAlO3 and SrTiO3 bulk precursors
G. Drera, G. Salvinelli, A. Brinkman +6
A set of LaAlO3/SrTiO3 (LAO-STO) interfaces has been probed by X-ray photoemission spectroscopy in order to contrast and compare the effects of LAO overlayer thickness and of the g…
Optically excited multi-band conduction in LaAlO3/SrTiO3 heterostructures
V. K. Guduru, A. Granados del Aguila, S. Wenderich +8
The low-temperature resistance of a conducting LaAlO3/SrTiO3 interface with a 10 nm thick LaAlO3 film decreases by more than 50% after illumination with light of energy higher than…
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…