Daniele Marré

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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 heterostructures. Here, we investigate thermopower to study the electronic structure in LaAlO3/SrTiO3 at low temperature as a function of gate field. In particular, under large(More)
1. Introduction The discovery of the superconductivity in MgB 2 [1] at a temperature as high as 39 K has stimulated a enormous interest about the comprehension of its mechanism [2][3]. The study of the electron transport properties may give an insight into the normal state conduction process and into the electronic structure of MgB 2. From this point of(More)
We report the observation of spatially separated Kondo scattering and ferromagnetism in anatase Ta0.06Ti0.94O2 thin films as a function of thickness (10-200 nm). The Kondo behavior observed in thicker films is suppressed on decreasing thickness and vanishes below ~25 nm. In 200 nm film, transport data could be fitted to a renormalization group theory for(More)
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