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9 papers · 1 filter
Influence of oxygen reduction on the structural and electronic properties of electron-doped Sr1-xLaxCuO2 thin films
Z. Z. Li, V. Jovanovic, H. Raffy +1
Single phase, c-axis oriented, e-doped, Sr1-xLaxCuO2 thin films were epitaxially grown on KTaO3 and DyScO3 substrates by reactive rf sputtering. As-grown films being insulating due…
Enhancement of the Spin Accumulation at the Interface Between a Spin-Polarized Tunnel Junction and a Semiconductor
M. Tran, H. Jaffres, C. Deranlot +4
We report on spin injection experiments at a Co/AlO/GaAs interface with electrical detection. The application of a transverse magnetic field induces a large voltage drop $Δ…
High domain wall velocity at zero magnetic field induced by low current densities in spin-valve nanostripes
Stefania Pizzini, Vojtech Uhlir, Jan Vogel +14
Current-induced magnetic domain wall motion at zero magnetic field is observed in the permalloy layer of a spin-valve-based nanostripe using photoemission electron microscopy. The…
Momentum dependence of the superconducting gap in NdFeAsO1-xFx single crystals measured by angle resolved photoemission spectroscopy
Takeshi Kondo, A. F. Santander-Syro, O. Copie +8
We use angle resolved photoemission spectroscopy (ARPES) to study the momentum dependence of the superconducting gap in NdFeAsO1-xFx single crystals. We find that the Gamma hole po…
Strain-Control of the magnetic anisotropy in (Ga,Mn)(As,P) ferromagnetic semiconductor layers
Aristide Lemaître, Audrey Miard, Laurent Travers +6
A small fraction of phosphorus (up to 10 %) was incorporated in ferromagnetic (Ga,Mn)As epilayers grown on a GaAs substrate. P incorporation allows reducing the epitaxial strain or…
High domain wall velocities due to spin currents perpendicular to the plane
A. V. Khvalkovskiy, K. A. Zvezdin, Ya. V. Gorbunov +3
We consider long and narrow spin valves composed of a first magnetic layer with a single domain wall (DW), a normal metal spacer and a second magnetic layer that is a planar or a p…