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Optical spectroscopy and the nature of the insulating state of rare-earth nickelates
J. Ruppen, J. Teyssier, O. E. Peil +6
Using a combination of spectroscopic ellipsometry and DC transport measurements, we determine the temperature dependence of the optical conductivity of NdNiO and SmNiO fi…
Tuning of the depolarization field and nanodomain structure in ferroelectric thin films
Céline Lichtensteiger, Stéphanie Fernandez-Pena, Christian Weymann +2
The screening efficiency of a metal-ferroelectric interface plays a critical role in determining the polarization stability and hence the functional properties of ferroelectric thi…
Fabricating Superconducting Interfaces between Artificially-Grown LaAlO and SrTiO Thin Films
Danfeng Li, Stefano Gariglio, Claudia Cancellieri +3
Realization of a fully metallic two-dimensional electron gas at the interface between artificially-grown LaAlO and SrTiO thin films has been an exciting challenge. Here we…
Magneto-transport study of top- and back-gated LaAlO/SrTiO heterostructures
W. Liu, S. Gariglio, A. F +4
We report a detailed analysis of magneto-transport properties of top- and back-gated LaAlO/SrTiO heterostructures. Efficient modulation in magneto-resistance, carrier densi…
Electronic Transitions in Strained SmNiO_3 Thin Films
S. Catalano, M. Gibert, V. Bisogni +10
Nickelates are known for their metal to insulator transition (MIT) and an unusual magnetic ordering, occurring at T=T_Néel. Here, we investigate thin films of SmNiO_3 subjected to…
Giant Oscillating Thermopower at Oxide Interfaces
I. Pallecchi, F. Telesio, D. Li +7
Understanding the nature of charge carriers at the LaAlO3/SrTiO3 interface is one of the major open issues in the full comprehension of the charge confinement phenomenon in oxide h…