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001032536 1001_ $$0P:(DE-HGF)0$$aHärtl, Patrick$$b0
001032536 245__ $$aSpin Spiral State at a Ferromagnetic Gd Vacuum Interface
001032536 260__ $$bUniversity of Würzburg$$c2024
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001032536 520__ $$aCentrosymmetric bulk magnets made of layered Gd intermetallics had been discovered recently to exhibit helical spin spirals with a wavelength of ≈2 nm that transform into skyrmion lattices at certain magnetic fields. Here we report on the observation of a spin spiral state at the Gd(0001) surface. Spinpolarized scanning tunneling microscopy images show striped regions with a periodicity of about 2 nm. These stripes rearrange upon application of an external magnetic field, thereby unambiguously confirming their magnetic origin. Density functional theory calculations explain that competing exchange interactions in the surface layer of Gd(0001) together with a magnetovolume fine-tuning of the exchange interaction to the next Gd layer favor a chiral 2 nm conical spin spiral at the surface, arising as a general behavior of the Gd monolayer.
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001032536 536__ $$0G:(GEPRIS)319898210$$aSFB 1238 C01 - Strukturinversionsasymmetrische Materie und Spin-Orbit-Phänomene mittels ab initio (C01) (319898210)$$c319898210$$x1
001032536 536__ $$0G:(GEPRIS)510676484$$aDFG project G:(GEPRIS)510676484 - Spinstruktur dünner Seltenerdmetall-Filme (510676484)$$c510676484$$x2
001032536 536__ $$0G:(GEPRIS)390858490$$aDFG project G:(GEPRIS)390858490 - EXC 2147: Komplexität und Topologie in Quantenmaterialien (CT.QMAT) (390858490)$$c390858490$$x3
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001032536 650_7 $$2Other$$aPhysics
001032536 650_7 $$2Other$$aSpin-polarized scanning tunneling microscopy
001032536 650_7 $$2Other$$aRare-earth magnetic materials
001032536 650_7 $$2Other$$aSpin Reorientation Transition
001032536 650_7 $$2Other$$aDensity functional theory
001032536 650_7 $$2Other$$aMagnetic interactions
001032536 650_7 $$2Other$$aExchange interaction
001032536 650_7 $$2Other$$aFerromagnetism
001032536 7001_ $$0P:(DE-HGF)0$$aBode, Matthias$$b1
001032536 7001_ $$0P:(DE-Juel1)130548$$aBlügel, Stefan$$b2
001032536 7001_ $$0P:(DE-HGF)0$$aHärtl, Patrick$$b3
001032536 7001_ $$0P:(DE-HGF)0$$aLeisegang, Markus$$b4
001032536 7001_ $$0P:(DE-Juel1)130545$$aBihlmayer, Gustav$$b5
001032536 7001_ $$0P:(DE-HGF)0$$aVogt, Matthias$$b6
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