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001019939 005__ 20240226075230.0
001019939 0247_ $$2doi$$a10.24435/MATERIALSCLOUD:VY-YG
001019939 0247_ $$2doi$$a10.24435/materialscloud:vy-yg
001019939 037__ $$aFZJ-2023-05760
001019939 041__ $$aEnglish
001019939 1001_ $$0P:(DE-HGF)0$$aGao, Tenghua$$b0
001019939 245__ $$aDFT calculations of the electronic structure of CoPt in L1₁ and A1 structures
001019939 260__ $$bMaterials Cloud$$c2023
001019939 3367_ $$2BibTeX$$aMISC
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001019939 520__ $$aSpintronics applications for high-density non-volatile memories require simultaneous optimization of the perpendicular magnetic anisotropy (PMA) and current-induced magnetization switching. These properties determine, respectively, the thermal stability of a ferromagnetic memory cell and a low operation power consumption, which are mutually incompatible with the spin transfer torque as the driving force for the switching. Here, we demonstrate a strategy of alloy engineering to overcome this obstacle by using electrically induced orbital currents instead of spin currents. A non-equilibrium orbital density generated in paramagnetic γ-FeMn flows into CoPt coupled to the magnetization through spin-orbit interaction, ultimately creating an orbital torque. Controlling the atomic arrangement of Pt and Co by structural phase transition, we show that the propagation length of the transferred angular momentum can be modified concurrently with the PMA strength. We find a strong correlation to the phase transition-induced changes of d orbitals with mₗ = ±1 and mₗ = ±2 character. The close link of orbital hybridization to the dynamic orbital response and magnetic properties offers new possibilities to realize optimally designed orbitronics memory and logic applications.This dataset contains the DFT calculations for the electronic structure of CoPt in L1₁ and A1 structures that are discussed the corresponding publication.
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001019939 536__ $$0G:(GEPRIS)390534769$$aDFG project 390534769 - EXC 2004: Materie und Licht für Quanteninformation (ML4Q) (390534769)$$c390534769$$x1
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001019939 650_7 $$2Other$$adensity-functional theory
001019939 650_7 $$2Other$$aOrbital torque
001019939 650_7 $$2Other$$aorbitronics
001019939 7001_ $$0P:(DE-Juel1)157882$$aRüßmann, Philipp$$b1$$eCorresponding author$$ufzj
001019939 7001_ $$0P:(DE-HGF)0$$aWang, Qianwen$$b2
001019939 7001_ $$0P:(DE-HGF)0$$aHayashi, Hiroki$$b3
001019939 7001_ $$0P:(DE-Juel1)178993$$aGo, Dongwook$$b4$$ufzj
001019939 7001_ $$0P:(DE-Juel1)157908$$aZhang, Song$$b5
001019939 7001_ $$0P:(DE-HGF)0$$aHarumoto, Takashi$$b6
001019939 7001_ $$0P:(DE-HGF)0$$aTu, Rong$$b7
001019939 7001_ $$0P:(DE-HGF)0$$aZhang, Lianmeng$$b8
001019939 7001_ $$0P:(DE-Juel1)130848$$aMokrousov, Yuriy$$b9$$ufzj
001019939 7001_ $$0P:(DE-HGF)0$$aShi, Ji$$b10
001019939 7001_ $$0P:(DE-HGF)0$$aAndo, Kazuya$$b11
001019939 773__ $$a10.24435/materialscloud:vy-yg
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001019939 9141_ $$y2023
001019939 920__ $$lyes
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