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The isolation of graphene has triggered an avalanche of studies into the spin-dependent physical properties of this material, as well as graphene-based spintronic devices. Here we review the experimental and theoretical state-of-art…

Mesoscale and Nanoscale Physics · Physics 2015-03-11 Wei Han , Roland K. Kawakami , Martin Gmitra , Jaroslav Fabian

We study room temperature spin transport in graphene devices encapsulated between a layer-by-layer-stacked two-layer-thick chemical vapour deposition (CVD) grown hexagonal boron nitride (hBN) tunnel barrier, and a few-layer-thick…

We report the fabrication of one-dimensional (1D) ferromagnetic edge contacts to two-dimensional (2D) graphene/h-BN heterostructures. While aiming to study spin injection/detection with 1D edge contacts, a spurious magnetoresistance signal…

Mesoscale and Nanoscale Physics · Physics 2018-04-26 Bogdan Karpiak , André Dankert , Aron W. Cummings , Stephen R. Power , Stephan Roche , Saroj P. Dash

Graphene is a promising platform for spin-based non-volatile memory, logic, and neuromorphic computing by combining long-distance spin transport with electrical tunability at room temperature. However, advancing beyond passive spin channels…

The proximity effect opens ways to transfer properties from one material into another and is especially important in two-dimensional materials. In van der Waals heterostructures, transition metal dichalcogenides (TMD) can be used to enhance…

Mesoscale and Nanoscale Physics · Physics 2020-08-10 Franz Herling , C. K. Safeer , Josep Ingla-Aynés , Nerea Ontoso , Luis E. Hueso , Fèlix Casanova

We study fully hexagonal boron nitride (hBN)-encapsulated graphene spin valve devices at room temperature. The device consists of a graphene channel encapsulated between two crystalline hBN flakes; thick-hBN flake as a bottom gate…

Mesoscale and Nanoscale Physics · Physics 2016-04-01 M. Gurram , S. Omar , S. Zihlmann , P. Makk , C. Schönenberger , B. J. van Wees

We study spin transport in a fully hBN encapsulated monolayer-graphene van der Waals (vdW) heterostructure, at room temperature. A top-layer of bilayer-hBN is used as a tunnel barrier for spin-injection and detection in graphene with…

Mesoscale and Nanoscale Physics · Physics 2017-08-16 Mallikarjuna Gurram , Siddhartha Omar , Bart J. van Wees

Spintronic devices require materials that facilitate effective spin transport, generation, and detection. In this regard, graphene emerges as an ideal candidate for long-distance spin transport owing to its minimal spin-orbit coupling,…

In this review we discuss spin and charge transport properties in graphene-based single-layer and few-layer spin-valve devices. We give an overview of challenges and recent advances in the field of device fabrication and discuss two of our…

Mesoscale and Nanoscale Physics · Physics 2016-02-24 F. Volmer , M. Drögeler , G. Güntherodt , C. Stampfer , B. Beschoten

Spintronics has emerged as a promising field for next-generation devices, offering functionalities beyond complementary metal-oxide-semiconductor (CMOS). A critical challenge in spintronics is to develop systems that can efficiently…

Mesoscale and Nanoscale Physics · Physics 2026-01-12 Zhendong Chi , Eoin Dolan , Haozhe Yang , Beatriz Martín-García , Marco Gobbi , Luis E. Hueso , Fèlix Casanova

Enhancing the spin-orbit interaction in graphene, via proximity effects with topological insulators, could create a novel 2D system that combines nontrivial spin textures with high electron mobility. In order to engineer practical…

Mesoscale and Nanoscale Physics · Physics 2018-06-11 Kenan Song , David Soriano , Aron W. Cummings , Roberto Robles , Pablo Ordejon , Stephan Roche

The utilization of large-area graphene grown by chemical vapour deposition (CVD) is crucial for the development of scalable spin interconnects in all-spin-based memory and logic circuits. However, the fundamental influence of the presence…

Mesoscale and Nanoscale Physics · Physics 2020-12-07 Dmitrii Khokhriakov , Bogdan Karpiak , Anamul Md. Hoque , Bing Zhao , Subir Parui , Saroj P. Dash

We review our recent work on spin injection, transport and relaxation in graphene. The spin injection and transport in single layer graphene (SLG) were investigated using nonlocal magnetoresistance (MR) measurements. Spin injection was…

Mesoscale and Nanoscale Physics · Physics 2011-10-13 Wei Han , K. M. McCreary , K. Pi , W. H. Wang , Yan Li , H. Wen , J. R. Chen , R. K. Kawakami

Two dimensional (2D) materials provide a unique platform for spintronics and valleytronics due to the ability to combine vastly different functionalities into one vertically-stacked heterostructure, where the strengths of each of the…

Mesoscale and Nanoscale Physics · Physics 2017-06-27 Yunqiu , Luo , Jinsong Xu , Tiancong Zhu , Guanzhong Wu , Elizabeth J. McCormick , Wenbo Zhan , Mahesh R. Neupane , Roland K. Kawakami

Graphene, with spin and valley degrees of freedom, fosters unexpected physical and chemical properties for the realization of next-generation quantum devices. However, the spin symmetry of graphene is rather robustly protected, hampering…

Strongly Correlated Electrons · Physics 2025-12-08 Dongwon Shin , Hyeonbeom Kim , Sung Ju Hong , Sehwan Song , Yeongju Choi , Youngkuk Kim , Sungkyun Park , Dongseok Suh , Woo Seok Choi

Graphene supported on a transition metal dichalcogenide substrate offers a novel platform to study the spin transport in graphene in presence of a substrate induced spin-orbit coupling, while preserving its intrinsic charge transport…

Mesoscale and Nanoscale Physics · Physics 2018-01-24 Siddhartha Omar , Bart J. van Wees

Engineering two-dimensional material heterostructures by combining the best of different materials in one ultimate unit can offer a plethora of opportunities in condensed matter physics. Here, in the van der Waals heterostructures of the…

Using the recently developed technique of microsoldering, we perform a systematic transport study of the influence of PMMA on graphene flakes revealing a doping effect of up to 3.8x10^12 1/cm^2, but a negligible influence on mobility and…

Mesoscale and Nanoscale Physics · Physics 2010-06-10 V. Geringer , D. Subramaniam , A. K. Michel , B. Szafranek , D. Schall , A. Georgi , T. Mashoff , D. Neumaier , M. Liebmann , M. Morgenstern

We have fabricated graphene spin-valve devices utilizing scalable materials made from chemical vapor deposition (CVD). Both the spin-transporting graphene and the tunnel barrier material are CVD-grown. The tunnel barrier is realized by…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Wangyang Fu , Péter Makk , Romain Maurand , Matthias Bräuninger , Christian Schönenberger

Integrating high-mobility graphene grown by chemical vapor deposition (CVD) into spin transport devices is one of the key tasks in graphene spintronics. We use a van der Waals pickup technique to transfer CVD graphene by hexagonal boron…

Mesoscale and Nanoscale Physics · Physics 2017-10-11 Marc Drögeler , Luca Banszerus , Frank Volmer , Takashi Taniguchi , Kenji Watanabe , Bernd Beschoten , Christoph Stampfer