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Ultrafast Modification of the Polarity at LaAlO/SrTiO Interfaces
Andrea Rubano, Tim Günter, Manfred Fiebig +3
Oxide growth with semiconductor-like accuracy has led to atomically precise thin films and interfaces that exhibit a plethora of phases and functionalities not found in the oxide b…
Blue luminescence of SrTiO3 under intense optical excitation
A. Rubano, D. Paparo, F. Miletto +2
The blue-green photoluminescence emitted by pure and electron-doped strontium titanate under intense pulsed near-ultraviolet excitation is studied experimentally, as a function of…
Polar catastrophe and electronic reconstructions at the LaAlO3/SrTiO3 interface: evidence from optical second harmonic generation
A. Savoia, D. Paparo, P. Perna +8
The so-called "polar catastrophe", a sudden electronic reconstruction taking place to compensate for the interfacial ionic polar discontinuity, is currently considered as a likely…
Time-resolved photoluminescence of n-doped SrTiO_3
A. Rubano, D. Paparo, M. Radovic +4
Following the recent surge of interest in n-doped strontium titanate as a possible blue light emitter, a time-resolved photoluminescence analysis was performed on nominally pure, N…