Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Vlietstra, Nynke"'
Autor:
Fischer, Johanna, Althammer, Matthias, Vlietstra, Nynke, Huebl, Hans, Goennenwein, Sebastian T. B., Gross, Rudolf, Geprägs, Stephan, Opel, Matthias
Publikováno v:
Phys. Rev. Applied 13, 014019 (2020)
We investigate the spin Hall magnetoresistance (SMR) at room temperature in thin film heterostructures of antiferromagnetic, insulating, (0001)-oriented alpha-Fe2O3 (hematite) and Pt. We measure their longitudinal and transverse resistivities while r
Externí odkaz:
http://arxiv.org/abs/1907.13393
Autor:
Wimmer, Tobias, Althammer, Matthias, Liensberger, Lukas, Vlietstra, Nynke, Geprägs, Stephan, Weiler, Mathias, Gross, Rudolf, Huebl, Hans
Publikováno v:
Phys. Rev. Lett. 123, 257201 (2019)
Applications based on spin currents strongly profit from the control and reduction of their effective damping and their transport properties. We here experimentally observe magnon mediated transport of spin (angular) momentum through a 13.4 nm thin y
Externí odkaz:
http://arxiv.org/abs/1812.01334
Autor:
Fischer, Johanna, Gomonay, Olena, Schlitz, Richard, Ganzhorn, Kathrin, Vlietstra, Nynke, Althammer, Matthias, Huebl, Hans, Opel, Matthias, Gross, Rudolf, Goennenwein, Sebastian T. B., Geprägs, Stephan
Publikováno v:
Phys. Rev. B 97, 014417 (2018)
We investigate the spin Hall magnetoresistance in thin film bilayer heterostructures of the heavy metal Pt and the antiferromagnetic insulator NiO. While rotating an external magnetic field in the easy plane of NiO, we record the longitudinal and the
Externí odkaz:
http://arxiv.org/abs/1709.04158
Autor:
Ganzhorn, Kathrin, Wimmer, Tobias, Barker, Joseph, Bauer, Gerrit E. W., Qiu, Zhiyong, Saitoh, Eiji, Vlietstra, Nynke, Geprägs, Stephan, Gross, Rudolf, Huebl, Hans, Goennenwein, Sebastian T. B.
We study the diffusive transport of magnons through the compensated ferrimagnetic insulator Gd3Fe5O12 (GdIG). The magnons are injected and detected electrically in a non-local measurement configuration via two parallel Pt strips deposited on top of t
Externí odkaz:
http://arxiv.org/abs/1705.02871
Autor:
Shan, Juan, Cornelissen, Ludo J., Vlietstra, Nynke, Youssef, Jamal Ben, Kuschel, Timo, Duine, Rembert A., van Wees, Bart J.
Publikováno v:
Phys. Rev. B 94, 174437 (2016)
We studied the nonlocal transport behavior of both electrically and thermally excited magnons in yttrium iron garnet (YIG) as a function of its thickness. For electrically injected magnons, the nonlocal signals decrease monotonically as the YIG thick
Externí odkaz:
http://arxiv.org/abs/1608.01178
Publikováno v:
Phys. Rev. B 94, 035407 (2016)
Many experiments have shown the detection of spin-currents driven by radio-frequency spin pumping from yttrium iron garnet (YIG), by making use of the inverse spin-Hall effect, which is present in materials with strong spin-orbit coupling, such as Pt
Externí odkaz:
http://arxiv.org/abs/1601.05605
Autor:
Aqeel, Aisha, Vlietstra, Nynke, Heuver, Jeroen A., Bauer, Gerrit E. W., Noheda, Beatriz, van Wees, Bart J., Palstra, Thomas T. M.
We report on the spin-Hall magnetoresistance (SMR) and spin Seebeck effect (SSE) in multiferroic CoCr2O4 (CCO) spinel thin films with Pt contacts. We observe a large enhancement of both signals below the spin-spiral (Ts = 28 K) and the spin lock-in t
Externí odkaz:
http://arxiv.org/abs/1507.01352
We show the first experimental observation of the platinum (Pt) thickness dependence in a hybrid YIG/Pt system of the inverse spin-Hall effect from spin pumping, over a large frequency range and for different rf powers. From the measurement of the dc
Externí odkaz:
http://arxiv.org/abs/1206.7080
Frequency and power dependence of spin-current emission by spin pumping in a thin film YIG/Pt system
This paper presents the frequency dependence of the spin current emission in a hybrid ferrimagnetic insulator/normal metal system. The system is based on a ferrimagnetic insulating thin film of Yttrium Iron Garnet (YIG, 200 nm) grown by liquid-phase-
Externí odkaz:
http://arxiv.org/abs/1206.6671
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