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Proximity effects allow for the adjustment of magnetic properties in a physically elegant way. If two thin ferromagnetic (FM) films are brought into contact, electronic coupling alters their magnetic exchange interaction at their interface.…

The electronic structure and magnetic properties of the graphene/Fe/Ni(111) system were investigated via combination of the density functional theory calculations and electron-spectroscopy methods. This system was prepared via intercalation…

材料科学 · 物理学 2017-09-13 M. Weser , E. N. Voloshina , K. Horn , Yu. S. Dedkov

Magnetism is a prototypical phenomenon of quantum collective state, and has found ubiquitous applications in semiconductor technologies such as dynamic random access memory (DRAM). In conventional materials, it typically arises from the…

介观与纳米尺度物理 · 物理学 2019-11-12 Yongjin Lee , Shi Che , Jairo Velasco , David Tran , Jacopo Baima , Francesco Mauri , Matteo Calandra , Marc Bockrath , Chun Ning Lau

We investigate the structure, chemical bonding, electronic properties, and magnetic behavior of a three-dimensional graphitic network in aba and aaa stacking with intercalated transition metal atoms (Mn, Fe, Co, Ni, and Cu). Using density…

介观与纳米尺度物理 · 物理学 2012-07-03 T. P. Kaloni , M. Upadhyay Kahaly , U. Schwingenschlögl

Owing to their unprecedented electronic properties, graphene and two-dimensional (2D) crystals have brought fresh opportunities for advances in planar spintronic devices. Graphene is an ideal medium for spin transport while also being an…

介观与纳米尺度物理 · 物理学 2019-03-27 I. G. Serrano , J. Panda , Fernand Denoel , Örjan Vallin , Dibya Phuyal , Olof Karis , M. Venkata Kamalakar

Creating new interfacial magnetic states with desired functionalities is attractive for fundamental studies and spintronics applications. The emergence of interfacial magnetic phases demands the fabrication of pristine interfaces and the…

At the heart of current information nanotechnology lies the search for ideal platforms hosting the smallest possible magnets, i.e. single atoms with magnetic moments pointing out-of-plane, as requested in a binary-type of memory. For this…

The understanding of the structural and thermal properties of membranes, low-dimensional flexible systems in a space of higher dimension, is pursued in many fields from string theory to chemistry and biology. The case of a two-dimensional…

介观与纳米尺度物理 · 物理学 2013-02-08 Mikhail I. Katsnelson , Annalisa Fasolino

Recent advancements in 2D magnetic materials have attracted a growing interest driven by their unique properties and potential applications in spintronic devices. However, the scarcity of systems that exhibit magnetism at room-temperature…

材料科学 · 物理学 2024-02-23 Alberto M. Ruiz , Dorye L. Esteras , Diego López-Alcalá , José J. Baldoví

Graphene has been predicted to develop a magnetic moment by proximity effect when placed on a ferromagnetic film, a promise that could open exciting possibilities in the fields of spintronics and magnetic data recording. In this work, we…

介观与纳米尺度物理 · 物理学 2016-08-01 Luca Pietrobon , Lorenzo Fallarino , Andreas Berger , Andrey Chuvilin , Fèlix Casanova , Luis E. Hueso

The development of a spintronics device relies on efficient generation of spin polarized currents and their electric field controlled manipulation. While observation of exceptionally long spin relaxation lengths make graphene an intriguing…

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…

介观与纳米尺度物理 · 物理学 2018-04-26 Bogdan Karpiak , André Dankert , Aron W. Cummings , Stephen R. Power , Stephan Roche , Saroj P. Dash

RuO$_{2}$ has been proposed as the prototypical altermagnetic material. However, several reports have recently questioned its intrinsic magnetic ordering, leading to conflicting findings, especially in thin film heterostructures pointing to…

Altermagnets is a class of antiferromagnetic materials which has electron bands with lifted spin degeneracy in momentum space but vanishing net magnetization and no stray magnetic fields. Because of these properties, altermagnets have…

介观与纳米尺度物理 · 物理学 2024-09-16 Erik Wegner Hodt , Pavlo Sukhachov , Jacob Linder

Altermagnets feature unconventional magnetism due to their momentum-dependent spin splitting purely driven by magnetic order, for which a variety of transition-metal-based d-wave altermagnets have been proposed. However, carbon-based…

材料科学 · 物理学 2026-04-22 Cuiju Yu , Jose L. Lado

Graphene oxide continues to amaze scientific community for multiple potentials in a broad span of applications such as catalysts, adsorbents, oxidants, etc., determined by constant unveiling of its fantastic natures. Of them, magnetism is…

材料科学 · 物理学 2018-01-09 Ling Sun

Within the field of spintronics major efforts are directed towards developing applications for spin-based transport devices made fully out of two-dimensional (2D) materials. In this work we present an experimental realization of a…

介观与纳米尺度物理 · 物理学 2022-07-13 Alexey A. Kaverzin , Talieh S. Ghiasi , Avalon H. Dismukes , Xavier Roy , Bart J. van Wees

Metal nanostructures confined between sp2 hybridized 2D materials and solid supports are attracting attention for their potential application in new nanotechnologies. Model studies under well-defined conditions are valuable for…

Magnetism in two-dimensional materials is of great importance in discovering new physical phenomena and developing new devices at the nanoscale. In this paper, first-principles simulations are used to calculate the electronic and magnetic…

Graphene is a model system for the study of electrons confined to a strictly two-dimensional layer1 and a large number of electronic phenomena have been demonstrated in graphene, from the fractional2, 3 quantum Hall effect to…

介观与纳米尺度物理 · 物理学 2015-05-18 Jian-Hao Chen , W. G. Cullen , E. D. Williams , M. S. Fuhrer