Orbital torque in magnetic bilayers

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WebJun 23, 2024 · Nova Ltd. Sep 2024 - Present2 years 5 months. Development of materials metrology for Advanced Process and Technology for Mainstream memory (DRAM, VNAND), Logic, and New memory. 1. Development of ... Weborbital torques, revealing the fundamental properties of orbital currents. We show that sizable current-induced torques are generated in Ni/Ti bilayers despite the weak spin-orbit coupling of Ti. We nd that the torque e ciency increases with increasing the Ni-layer thickness and disappears by replacing the Ni layer with Ni 81Fe 19. The ...

Control of spin–orbit torques through crystal symmetry in WTe

WebOne of the most efficient mechanisms for exciting magnetization dynamics and magnetic switching of a nanomagnet is the spin-orbit torque. Here, a charge current through a … WebApr 11, 2024 · We show that the orbital pumping in Ni/Ti bilayers injects an orbital current into the Ti layer, which is detected through the inverse orbital Hall effect. ... Efficient electrical generation of torque is desired to develop innovative magnetic nanodevices. The torque can be generated by charge to spin conversion of heavy-metal layers through ... dave blackwell realty warsaw indiana

Observation of long-range orbital transport and giant …

WebSep 29, 2024 · The recently discovered “bulk” spin-orbit torques in L 1 0 -FePt provide an efficient and scalable way to manipulate the L 1 0 -FePt magnetization. However, the existence of an external field during the switching limits its practical application, and therefore field-free switching of L 1 0 -FePt is highly demanded. http://fizyka.uwb.edu.pl/seminaria/magnetic-anisotropy-and-gilbert-damping-in-layered-systems-calculation-methods--spatial-breakdown-and-quantum-oscillations-198.html Webcurrent-induced torque in Fe/W(110), the dominant mechanism in Ni/W(110) is the orbital torque originating in the orbital Hall effect of the non-magnetic substrate. It leads to negative and positive effective spin Hall angles, respectively, which can be directly identiﬁed in experiments. This clearly demonstrates that our formalism is black and gold coach shoes

Spin-Orbit Torque and Magnetization Dynamics

Orbital torque in magnetic bilayers (Conference Presentation) Lee ...

WebJan 1, 2024 · Abstract. An emerging direction in spintronics aims at discovering novel phenomena and functionalities originating from spin–orbit coupling. The new field of spintronics based on the spin–orbit coupling is called spin-orbitronics. The spin-orbitronics technology promises smaller, faster, and far more energy efficient spin-based devices. WebSo far, the quantitative determination of charge current-induced spin current and spin–orbit torques (SOTs) on the magnetic layer adjacent to two-dimensional materials is still lacking. black and gold coach walletWebFeb 20, 2024 · Orbital torque: Torque generation by orbital current injection Dongwook Go and Hyun-Woo Lee Phys. Rev. Research 2, 013177 – Published 20 February 2024. More. ... (111) and Mn/W(001) magnetic bilayers from first principles, Phys. Rev. B … dave blair bellingham wa

"WebNov 18, 2024 · Orbital torque in magnetic bilayers Dongjoon Lee, Dongwook Go, Hyeon-Jong Park, Wonmin Jeong, Hye-Won Ko, Deokhyun Yun, Daegeun Jo, Soogil Lee, Gyungchoon Go, Jung Hyun Oh, Kab-Jin Kim, Byong-Guk... Metrics - Orbital torque in magnetic bilayers Nature Communications " - Orbital torque in magnetic bilayers

Orbital torque in magnetic bilayers

WebOct 22, 2024 · We apply our formalism to two different magnetic bilayers, Fe/W(110) and Ni/W(110), which are chosen such that the orbital and spin Hall effects in W have opposite sign and the resulting spin- and orbital-mediated torques can compete with each other. ... (110) is the orbital torque originating in the orbital Hall effect of the nonmagnetic ... WebOrbital torque in magnetic bilayers Dongjoon Lee, Dongwook Go, Hyeon-Jong Park, Wonmin Jeong, Hye-Won Ko, Deokhyun Yun, Daegeun Jo, Soogil Lee, Gyungchoon Go, Jung Hyun Oh, Kab-Jin Kim, Byong-Guk Park, Byoung-Chul Min, Hyun Cheol Koo, Hyun-Woo Lee, OukJae Lee, and Kyung-Jin Lee Nature Communications 12 , 6710 (2024)

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WebWith this motivation, we examine the current-induced spin-orbit torques in various ferromagnet/heavy metal bilayers by theory and experiment. Analysis of the magnetic … WebNov 18, 2024 · As the orbital current carries the angular momentum as the spin current does, injection of the orbital current into a ferromagnet can result in torque on the magnetization, which provides a...

WebSep 24, 2024 · Here, orbital information is encoded in coefficients , which can be controlled by external perturbations. For instance, a wave packet with and carries a finite orbital angular momentum (OAM) along the z -direction. Note that the coefficients behave as an "internal" degree of freedom of the wave packet, analogously to the case of spin. WebNov 18, 2024 · The orbital Hall effect describes the generation of the orbital current flowing in a perpendicular direction to an external electric field, analogous to the spin Hall effect. …

WebApr 30, 2013 · It is found that the spin-orbital interaction induces both an effective field and torque on the magnetization, which have been attributed to two different origins: the Rashba effect and the... WebApr 4, 2024 · Orbital torque in magnetic bilayers SPICE Orbital torque in magnetic bilayers Kyung-Jin LEE The orbital Hall effect [1] describes the generation of the orbital current …

WebFeb 7, 2024 · The total torque could be either the ST or OT. (c) Schematic for the mechanism of the orbital torque in FM/Nb. The orbital current generated by the OHE in the Nb is …

WebMay 9, 2024 · Orbit Orbital torque in magnetic bilayers DOI: CC BY 4.0 Authors: Dongjoon Lee Dongwook Go Forschungszentrum Jülich Hyeon-Jong Park Wonmin Jeong Abstract … dave blakey chesterfieldWebOrbital torque in magnetic bilayers - NASA/ADS. The orbital Hall effect describes the generation of the orbital current flowing in a perpendicular direction to an external electric … black and gold coat of armsWeb2016 年 2 月 - 2024 年 8 月4 年 7 個月. Taipei City, Taiwan. Courses: Magnetic materials and spintronics, thermodynamics, solid state physics, contemporary condensed matter physics. Research: Advanced probing technique for spin-orbit torque characterization. Non-volatile memory materials design and testing. dave blanchard oicWebThe magnetic torque, τ, experienced by a single particle of volume V and domain magnetization M d whose moment is oriented at angle θ to applied induction B is given by … dave blanchard obituaryWebFeb 4, 2008 · An experimental approach to the analysis of charge, magnetic and orbital ordering in 3d transition-metal oxides is presented. The technique combines two important components: azimuthal rotations around the Bragg wavevector and polarization analysis of the Bragg intensities in the range 500–900 eV. The polarization analysis is performed … dave blamy movies and tv showsWebHere, we demonstrate a marked enhancement of the spin-orbit torque induced by a fine-tuning of oxygen-induced modification of orbital hybridization. This is evidenced by a concomitant enhancement of the interface spin-orbit torque, interface spin loss, and interface perpendicular magnetic anisotropy within a narrow range of the oxidation level ... dave blakey heating solutionsWebThe symmetry of normal metal/ferromagnet bilayers allows spin-orbit torques (SOTs) to simultaneously have two distinct angular dependences on the magnetization direction m̂. The most well-studied... black and gold cocktail