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- Centre National de la Recherche ScientifiqueFR63 papers
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6 papers · 2 filters
Tunneling magnetoresistance of perpendicular CoFeB-based junctions with exchange bias
Orestis Manos, Alexander Böhnke, Panagiota Bougiatioti +5
Recently, magnetic tunnel junctions with perpendicular magnetized electrodes combined with exchange bias films have attracted large interest. In this paper we examine the tunnel ma…
Large magneto-Seebeck effect in magnetic tunnel junctions with half-metallic Heusler electrodes
Alexander Boehnke, Ulrike Martens, Christian Sterwerf +9
Spin caloritronics studies the interplay between charge-, heat- and spin-currents, which are initiated by temperature gradients in magnetic nanostructures. A plethora of new phenom…
Enhancement of thermovoltage and tunnel magneto-Seebeck effect in CoFeB based magnetic tunnel junctions by variation of the MgAlO and MgO barrier thickness
Torsten Huebner, Ulrike Martens, Jakob Walowski +7
We investigate the influence of the barrier thickness of CoFeB based magnetic tunnel junctions on the laser-induced tunnel magneto-Seebeck effect. Varying the…
Induction of tin pest for cleaning tin-drop contaminated optics
Norbert Böwering
Tin pest, the allotropic β - α phase transformation of tin, was examined for use in cleaning of tin-contaminated optics. Induction of change in material structure led to disintegra…
Integration of antiferromagnetic Heusler compound RuMnGe into spintronic devices
Jan Balluff, Teodor Huminiuc, Markus Meinert +2
We report on the first integration of an antiferromagnetic Heusler compound acting as a pinning layer into magnetic tunneling junctions. The antiferromagnet RuMnGe is used to p…
Tuning the perpendicular magnetic anisotropy, spin Hall switching current density and domain wall velocity by submonolayer insertion in Ta / CoFeB / MgO heterostructures
Satya Prakash Bommanaboyena, Markus Meinert
By submonolayer insertion of Au, Pt, or Pd into Ta / CoFeB / MgO / Ta heterostructures we tune the perpendicular magnetic anisotropy and the coercive field of the ferromagnetic lay…