English
Related papers

Related papers: Graphene spin capacitor for magnetic field sensing

200 papers

This paper presents a novel design concept for spintronic nanoelectronics that emphasizes a seamless integration of spin-based memory and logic circuits. The building blocks are magneto-logic gates based on a hybrid graphene/ferromagnet…

Electrical control of spin signals and long distance spin transport are major requirements in the field of spin electronics. Here we report the efficient guiding of spin currents at room temperature in high mobility hexagonal boron nitride…

Mesoscale and Nanoscale Physics · Physics 2016-07-19 Josep Ingla-Aynés , Rick J. Meijerink , Bart J. van Wees

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…

Mesoscale and Nanoscale Physics · Physics 2022-07-13 Alexey A. Kaverzin , Talieh S. Ghiasi , Avalon H. Dismukes , Xavier Roy , Bart J. van Wees

The precise value of the $g$-factor in graphene is of fundamental interest for all spin-related properties and their application. We investigate monolayer graphene on a Si/SiO2 substrate by resistively detected electron spin resonance…

We study by density functional and large scale tight-binding transport calculations the electronic structure, magnetism and transport properties of the recently proposed graphene ribbons with edges rolled to form nanotubes. Edges with…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 M. A. Akhukov , Shengjun Yuan , A. Fasolino , M. I. Katsnelson

Electron fully spin-polarized edge states in graphene emerged at the interfaces of a nonuniform magnetic field are studied numerically in a tight-binding model, with both the orbital and Zeeman-splitting effects of magnetic field…

Materials Science · Physics 2011-09-19 Lei Xu , Jin An , Chang-De Gong

We propose a novel experimental approach to explore exotic spin-dependent interactions using a spin-exchange relaxation-free (SERF) magnetometer, the most sensitive non-cryogenic magnetic-field sensor. This approach studies the interactions…

Instrumentation and Detectors · Physics 2016-08-23 P. -H. Chu , Y. J. Kim , I. M. Savukov

We fabricated a non-local spin valve device with Co-MgO injector/detector tunnel contacts on a graphene spin channel. In this device, the spin polarization of the injector contact can be tuned by both the injector current bias and the gate…

Mesoscale and Nanoscale Physics · Physics 2018-10-01 Sebastian Ringer , Matthias Rosenauer , Tobias Völkl , Maximilian Kadur , Franz Hopperdietzel , Dieter Weiss , Jonathan Eroms

We immerse single layer graphene spin valves into purified water for a short duration (<1 min) and investigate the effect on spin transport. Following water immersion, we observe an enhancement in nonlocal magnetoresistance. Additionally,…

Materials Science · Physics 2011-08-02 K. M. McCreary , Hua Wen , H. Yu , Wei Han , E. Johnston-Halperin , R. K. Kawakami

Graphite has been intensively studied, yet its electron spins dynamics remains an unresolved problem even 70 years after the first experiments. The central quantities, the longitudinal ($T_1$) and transverse ($T_2$) relaxation times were…

Mesoscale and Nanoscale Physics · Physics 2023-05-26 B. G. Márkus , M. Gmitra , B. Dóra , G. Csősz , T. Fehér , P. Szirmai , B. Náfrádi , V. Zólyomi , L. Forró , J. Fabian , F. Simon

Single-molecule sensing is at the core of modern biophysics and nanoscale science, from revolutionizing healthcare through rapid, low-cost sequencing to understanding various physical, chemical, and biological processes at their most basic…

Mesoscale and Nanoscale Physics · Physics 2018-04-10 Daniel Gruss , Alex Smolyanitsky , Michael Zwolak

Two-dimensional materials offer new opportunities for both fundamental science and technological applications, by exploiting the electron spin. While graphene is very promising for spin communication due to its extraordinary electron…

Mesoscale and Nanoscale Physics · Physics 2017-06-08 Ahmet Avsar , Jun You Tan , Marcin Kurpas , Martin Gmitra , Kenji Watanabe , Takashi Taniguchi , Jaroslav Fabian , Barbaros Ozyilmaz

We have measured the relaxation time of a thermally unstable ferromagnetic nanoparticle incorporated into a magnetic tunnel junction (MTJ) as a function of applied magnetic field, voltage V (-0.38 V < V < +0.26 V), and temperatures (283 K<…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 William Rippard , Ranko Heindl , Matthew Pufall , Stephen Russek , Anthony Kos

We calculated a spin-polarized conductance in the almost unexplored nanostructure "high temperature ferromagnetic insulator/ graphene/ ferroelectric film" with a special attention to the impact of electric polarization rotation in a…

Materials Science · Physics 2020-09-02 Eugene A. Eliseev , Anna N. Morozovska , Maksym V. Strikha

We carry out an explicit calculation of the vacuum polarization tensor for an effective low-energy model of monolayer graphene in the presence of a weak magnetic field of intensity $B$ perpendicularly aligned to the membrane. By expanding…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 David Valenzuela , Saúl Hernández-Ortiz , Marcelo Loewe , Alfredo Raya

An experimental demonstration of electrical detection of coherent spin motion of weakly coupled, localized electron spins in thin Fullerene C60 films at room temperature is presented. Pulsed electrically detected magnetic resonance…

Other Condensed Matter · Physics 2009-11-13 W. Harneit , C. Boehme , S. Schaefer , K. Huebener , K. Fostiropoulos , K. Lips

The abilities to inject and detect spin carriers are fundamental for research on transport and manipulation of spin information. Pure electronic spin currents have been recently studied in nanoscale electronic devices using a non-local…

Mesoscale and Nanoscale Physics · Physics 2012-09-25 I. J. Vera-Marun , V. Ranjan , B. J. van Wees

Electronic control of blackbody emission from graphene plasmonic resonators on a silicon nitride substrate is demonstrated at temperatures up to 250 C. It is shown that the graphene resonators produce antenna-coupled blackbody radiation,…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Victor W. Brar , Michelle C. Sherrott , Luke A. Sweatlock , Min Seok Jang , Laura Kim , Mansoo Choi , Harry A. Atwater

Graphene plasmons are rapidly emerging as a viable tool for fast electrical manipulation of light. The prospects for applications to electro-optical modulation, optical sensing, quantum plasmonics, light harvesting, spectral photometry, and…

Mesoscale and Nanoscale Physics · Physics 2014-03-20 F. Javier Garcia de Abajo

Tailor-made graphene nanostructures can exhibit symmetry-protected topological boundary states that host localized spin-$1/2$ moments. However, one frequently observes charge transfer on coinage metal substrates, which results in spinless…

‹ Prev 1 8 9 10 Next ›