155 citations · 673 across the 15 of their papers we have counts for
15 papers
Non-volatile, reversible metal-insulator transition in oxide interfaces controlled by gate voltage and light
Mian Akif Safeen, Musa Mutlu Can, Amit Khare +6
The field-effect-induced modulation of transport properties of 2-dimensional electron gases residing at the LaAlO/SrTiO and LaGaO/SrTiO interfaces has been investig…
Photoresponse dynamics in amorphous-LaAlO/SrTiO interfaces
Emiliano Di Gennaro, Ubaldo Coscia, Giuseppina Ambrosone +3
The time-resolved photoconductance of amorphous and crystalline LaAlO/SrTiO interfaces, both hosting an interfacial 2-dimensional electron gas, is investigated under irradi…
Observation of strontium segregation in LaAlO/SrTiO and NdGaO/SrTiO oxide heterostructures by X-ray photoemission spectroscopy
Uwe Treske, Nadine Heming, Stefan Krause +6
LaAlO and NdGaO thin films of different thickness have been grown by pulsed laser deposition on TiO-terminated SrTiO single crystals and investigated by soft…
Carrier-number fluctuations in the 2-dimensional electron gas at the LaAlO3/SrTiO3 interface
C. Barone, F. Romeo, S. Pagano +5
The voltage-spectral density SV(f) of the 2-dimensional electron gas formed at the interface of LaAlO3 /SrTiO3 has been thoroughly investigated. The low-frequency component has a c…
Persistent photoconductivity in 2-dimensional electron gases at different oxide interfaces
Emiliano Di Gennaro, Umberto Scotti di Uccio, Carmela Aruta +10
We report on the transport characterization in dark and under light irradiation of three different interfaces: LaAlO3/SrTiO3, LaGaO3/SrTiO3, and the novel NdGaO3/SrTiO3 heterostruc…
Reversible and Persistent Photoconductivity at the NdGaO3/SrTiO3 Conducting Interface
Umberto Scotti di Uccio, Carmela Aruta, Claudia Cantoni +10
The interface between the band gap insulators LaAlO3 and SrTiO3 is known to host a highly mobile two-dimensional electron gas. Here we report on the fabrication and characterizatio…
Electron transfer and ionic displacements at the origin of the 2D electron gas at the LAO/STO interface: Direct measurements with atomic-column spatial resolution
C. Cantoni, J. Gazquez, F. Miletto Granozio +8
The discovery that the interface between two band gap insulators LaAlO3 and SrTiO3 is highly conducting has raised an enormous interest in the field of oxide electronics. The LAlO3…
Observation of a two-dimensional electron gas at the surface of annealed SrTiO3 single crystals by scanning tunneling spectroscopy
R. Di Capua, M. Radovic, G. M. De Luca +7
Scanning tunneling spectroscopy suggests the formation of a two dimensional electron gas (2DEG) on the TiO2 terminated surface of undoped SrTiO3 single crystals annealed at tempera…
Critical influence of target-to-substrate distance on conductive properties of LaGaO3/SrTiO3 interfaces deposited at 10-1 mbar oxygen pressure
Carmela Aruta, Salvarore Amoruso, Giovanni Ausanio +8
We investigate pulsed laser deposition of LaGaO3/SrTiO3 at 10-1 mbar oxygen background pressure, demonstrating the critical effect of the target-to-substrate distance, dTS, on the…
Pulsed laser deposition of SrTiO3/LaGaO3 and SrTiO3/LaAlO3: plasma plume effects
C. Aruta, S. Amoruso, R. Bruzzese +4
Pulsed laser deposition of SrTiO3/LaGaO3 and SrTiO3/LaAlO3 interfaces has been analyzed with a focus on the kinetic energy of the ablated species. LaGaO3 and LaAlO3 plasma plumes w…
Magnetic properties of pseudomorphic epitaxial films of Pr_{0.7}Ca_{0.3}MnO_3 under different biaxial tensile stresses
A. Geddo Lehmann, F. Congiu, N. Lampis +4
In order to analyse the effect of strain on the magnetic properties of narrow-band manganites, the temperature and field dependent susceptibilities of about 8.5 nm thick epitaxial…
Conducting interfaces between band insulating oxides: the LaGaO3/SrTiO3
Paolo Perna, Davide Maccariello, Milan Radovic +9
We show that the growth of the heterostructure LaGaO3/SrTiO3 yields the formation of a highly conductive interface. Our samples were carefully analyzed by high resolution electron…
Charge density waves enhance the electronic noise of manganites
C. Barone, A. Galdi, N. Lampis +6
The transport and noise properties of Pr_{0.7}Ca_{0.3}MnO_{3} epitaxial thin films in the temperature range from room temperature to 160 K are reported. It is shown that both the 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…
Feasibility of biepitaxial YBaCuO Josephson junctions for fundamental studies and potential circuit implementation
F. Tafuri, F. Carillo, F. Lombardi +7
We present various concepts and experimental procedures to produce biepitaxial YBaCuO grain boundary Josephson junctions. The device properties have an interesting phenomenology re…