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Related papers: Efficient Spin Transfer in WTe2/Fe3GeTe2 van der W…

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Twisted two-dimensional bi-layers offer exquisite control on the electronic bandstructure through the interlayer rotation and coupling, enabling magic-angle flat-band superconductivity and moir\'e excitons. Here, we demonstrate how…

The discovery of 2D materials opens up unprecedented opportunities to design new materials with specified properties. In many cases, the design guiding principle is based on one or another proximity effect, i.e. the nanoscale-penetration of…

Superconductivity · Physics 2024-10-22 G. A. Bobkov , K. A. Bokai , M. M. Otrokov , A. M. Bobkov , I. V. Bobkova

The efficient generation and control of spin polarization via charge-spin conversion in topological semimetals are desirable for future spintronic and quantum technologies. Here, we report the charge-spin conversion (CSC) signals measured…

Mesoscale and Nanoscale Physics · Physics 2021-02-03 Bing Zhao , Anamul Md. Hoque , Dmitrii Khokhriakov , Bogdan Karpiak , Saroj P. Dash

Emergent phenomena driven by electronic reconstructions in oxide heterostructures have been intensively discussed. However, the role of these phenomena in shaping the electronic properties in van der Waals heterointerfaces has hitherto not…

After the first unequivocal demonstration of spin transport in graphene (Tombros et al., 2007), surprisingly at room temperature, it was quickly realized that this novel material was relevant for both fundamental spintronics and future…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 A. Avsar , H. Ochoa , F. Guinea , B. Ozyilmaz , B. J. van Wees , I. J. Vera-Marun

Spin currents can modify the magnetic state of ferromagnetic ultrathin films through spin-orbit torque. They may be generated by means of spin-orbit interaction by either bulk or interfacial phenomena. Electrical transport measurements…

Mesoscale and Nanoscale Physics · Physics 2022-06-27 A. Anadón , R. Guerrero , J. A. Jover-Galtier , A. Gudín , J. M. Díez , P. Olleros-Rodríguez , R. Miranda , J. Camarero , P. Perna

We report that atomic-layer alloying (intermixing) at a Pt/Co interface can increase, by approximately 30%, rather than degrade the interfacial spin transparency, and thereby strengthen the efficiency of the dampinglike spin-orbit torque…

Materials Science · Physics 2019-05-15 Lijun Zhu , Daniel C. Ralph , Robert A. Buhrman

All-electrical (magnetic-material-free) spin injection is one of the outstanding goals in spintronics. Topological insulators (TIs) have been recognized as a promising electrically controlled spin source thanks to the strong spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2016-07-12 Jifa Tian , Ting-Fung Chung , Ireneusz Miotkowski , Yong P. Chen

We propose a new class of magnetic proximity effects based on the spin dependent hybridization between the electronic states at the Fermi energy in a non-magnetic conductor and the narrow spin split bands of a ferromagnetic insulator.…

Mesoscale and Nanoscale Physics · Physics 2023-12-20 C. Cardoso , A. T. Costa , A. H. MacDonald , J. Fernández-Rossier

Among the quasi-2D van der Waals magnetic systems, Fe4GeTe2 imprints a profound impact due to its near-room temperature ferromagnetic behaviour and the complex magnetothermal phase diagram exhibiting multiple phase transformations, as…

Iron-based van der Waals (vdW) ferromagnets with relatively high ordering temperatures are a current research focus due to their significance in fundamental physics and potential applications in spintronics. Competing magnetic interactions…

Materials Science · Physics 2025-07-11 Alapan Bera , Soumik Mukhopadhyay

We investigate the lattice and electronic structures of the bulk and surface of the prototypical layered topological insulators Bi$_2$Se$_3$ and Bi$_2$Te$_3$ using ab initio density functional methods, and systematically compare the results…

Mesoscale and Nanoscale Physics · Physics 2020-12-01 K. Shirali , W. A. Shelton , I. Vekhter

The control of spin current is pivotal for spintronic applications, especially for spin-orbit torque devices. Spin Hall effect (SHE) is a prevalent method to generate spin current. However, it is difficult to manipulate its spin…

Computational Physics · Physics 2021-11-30 Jiaqi Zhou , Jean-Christophe Charlier

Understanding non-equilibrium spin transport through 2D ferromagnets is a theoretical challenge, as correlations produce a complex electronic structure with coexisting itinerant and localized electrons. We have developed a fully…

Strongly Correlated Electrons · Physics 2025-10-29 Declan Nell , Stefano Sanvito , Andrea Droghetti

The ability to engineer new states of matter and to control their electronic and spintronic properties by electric fields is at the heart of the modern information technology and driving force behind recent advances in van der Waals (vdW)…

Mesoscale and Nanoscale Physics · Physics 2019-10-14 Anamul Md. Hoque , Dmitrii Khokhriakov , Bogdan Karpiak , Saroj P. Dash

The current generation of spintronic devices, which use electron-spin relies on linear operations for spin-injection, transport and detection processes. The existence of nonlinearity in a spintronic device is indispensable for spin-based…

Mesoscale and Nanoscale Physics · Physics 2021-01-04 S. Omar , M. Gurram , K. Watanabe , T. Taniguchi , M. H. D. Guimarães , B. J. van Wees

Spin transport efficiency in heterostructures depends on the spin conductances of each constituent and their interfaces. We report a comparative study of spin pumping in Y3Fe5O12/Cu/Pt and Y3Fe5O12/Cu/W trilayers. Surprisingly, the…

Materials Science · Physics 2014-05-20 Chunhui Du , Hailong Wang , Fengyuan Yang , P. Chris Hammel

Van der Waals (vdW) magnets, with their two-dimensional (2D) atomic structures, provide a unique platform for exploring magnetism at the nanoscale. Although there have been numerous reports on their diverse quantum properties, the emergent…

Favourable band alignment and excellent visible light response are vital for photochemical water splitting. In this work, we have theoretically investigated how ferroelectric polarization and its reversibility in direction can be utilized…

Applied Physics · Physics 2020-09-03 Dimuthu Wijethunge , Lei Zhang , Cheng Tang , Aijun Du

When the atomic layers in a non-centrosymmetric van der Waals structure slide against each other, the interfacial charge transfer results in a reversal of the structures spontaneous polarization. This phenomenon is known as sliding…

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