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Regensburg 2019 – scientific programme

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O: Fachverband Oberflächenphysik

O 99: Focus Session: Spins on Surfaces III (joint session O/MA)

O 99.5: Talk

Friday, April 5, 2019, 11:45–12:00, H24

Interplay of spin-orbit and exchange interaction in ultrathin Ni films on W(110) — •Pascal Jona Grenz1, Philipp Eickholt1, Koji Miyamoto2, Eike Schwier2, Taichi Okuda2, and Markus Donath11Institute of Physics, Westfälische-Wilhelms-Universität Münster, Germany — 2Hiroshima Synchrotron Radiation Center, Japan

Ferromagnetic adsorbates on W(110) are prototypical systems for studying the influence of spin-orbit and exchange interaction on electronic states. We investigated ultrathin Ni films on W(110) with spin- and angle-resolved photoemission with particular emphasis on (i) the influence of the Ni adsorbates on the Dirac-cone-like surface state of W(110), (ii) the spin dependence of electronic states at the interface between Ni and W, and (iii) the appearance of ferromagnetic order in the Ni overlayer. We will discuss our results in relation to similar systems reported in literature, Fe/W(110) and Co/W(110) [1,2].

[1] K. Honma et al., Phys. Rev. Lett. 115, 266401 (2015).

[2] P. Moras et al., Phys. Rev. B 91, 195410 (2015).

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