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Related papers: Spin Peltier effect in graphene

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Hybrids of graphene and two dimensional transition metal dichalcogenides (TMDC) have the potential to bring graphene spintronics to the next level. As we show here by performing first-principles calculations of graphene on monolayer…

Mesoscale and Nanoscale Physics · Physics 2015-10-14 Martin Gmitra , Jaroslav Fabian

We study the impact of spin-active scattering on Andreev spectra of point contacts between superconductors(SCs) and strongly spin-polarized ferromagnets(FMs) using recently derived boundary conditions for the Quasiclassical Theory of…

Superconductivity · Physics 2012-08-29 Roland Grein , Tomas Lofwander , Georgo Metalidis , Matthias Eschrig

We have demonstrated the deposition of EuO films on graphene by reactive molecular beam epitaxy in a special adsorption-controlled and oxygen-limited regime, which is a critical advance toward the realization of the exchange proximity…

Materials Science · Physics 2013-02-26 Adrian G. Swartz , Patrick M. Odenthal , Yufeng Hao , Rodney S. Ruoff , Roland K. Kawakami

We demonstrate that the electronic spectrum of graphene in a one-dimensional periodic potential will develop a Landau level spectrum when the potential magnitude varies slowly in space. The effect is related to extra Dirac points generated…

Mesoscale and Nanoscale Physics · Physics 2011-02-28 Jianmin Sun , H. A. Fertig , L. Brey

We point out the existence of finite charge and spin Hall conductivities of graphene in the presence of a spin orbit interaction (SOI) and localized magnetic impurities. The SOI in graphene results in different transverse forces on the two…

Materials Science · Physics 2015-05-13 Kai-He Ding , Zhen-Gang Zhu , Jamal Berakdar

Spin Hall effects have surged as promising phenomena for spin logics operations without ferromagnets. However, the magnitude of the detected electric signals at room temperature in metallic systems has been so far underwhelming. Here, we…

Mesoscale and Nanoscale Physics · Physics 2017-09-07 W. Savero Torres , J. F. Sierra , L. A. Benítez , F. Bonell , M. V. Costache , S. O. Valenzuela

Here we study the evolution of local electronic properties of a twisted graphene bilayer induced by a strain and a high curvature. The strain and curvature strongly affect the local band structures of the twisted graphene bilayer; the…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Wei Yan , Wen-Yu He , Zhao-Dong Chu , Mengxi Liu , Lan Meng , Rui-Fen Dou , Yanfeng Zhang , Zhongfan Liu , Jia-Cai Nie , Lin He

Spin precession has been used to measure the transmission time \tau over a distance L in a graphene sheet. Since conduction electrons in graphene have an energy-independent velocity v, one would expect \tau > L/v. Here we calculate that…

Mesoscale and Nanoscale Physics · Physics 2009-12-24 R. A. Sepkhanov , M. V. Medvedyeva , C. W. J. Beenakker

The conductivity of the system magnetic dielectric (EuO) - graphene channel - ferroelectric substrate was considered. The magnetic dielectric locally transforms the band spectrum of graphene by inducing an energy gap in it and making it…

Materials Science · Physics 2019-05-22 Anatolii I. Kurchak , Anna N. Morozovska , Maksym V. Strikha

This paper presents a comprehensive theoretical study of the magnetic-tunable near-field radiative heat transfer (NFRHT) between two twisted graphene gratings. As a result of the quantum Hall regime of magneto-optical graphene and the…

Mesoscale and Nanoscale Physics · Physics 2025-03-07 Mingjian He , Hong Qi , Yatao Ren , Yijun Zhao , Mauro Antezza

The spin-orbit field and interfacial exchange field are two major interface phenomena, and the detection and manipulation of these fields can enable a variety of nanoscale spintronics devices. Optimizing the interfacial exchange field,…

Mesoscale and Nanoscale Physics · Physics 2025-06-24 Prasanta Muduli , Naëmi Leo , Mingran Xu , Zheng Zhu , Jorge Puebla , Christian Ortiz , Hironari Isshiki , YoshiChika Otani

The superconducting critical temperature $T_C$ of a superconductor/ferromagnet (S/F) bilayer with spin-flip scatterings at the interface is calculated as a function of the ferromagnet thickness $d_F$ in the dirty limit employing the Usadel…

Superconductivity · Physics 2007-05-23 Hyeonjin Doh , Han-Yong Choi

We investigate spin transport by thermally excited spin waves in an antiferromagnetic insulator. Starting from a stochastic Landau-Lifshitz-Gilbert phenomenology, we obtain the out-of-equilibrium spin-wave properties. In linear response to…

Mesoscale and Nanoscale Physics · Physics 2018-11-05 Scott A. Bender , Hans Skarsvåg , Arne Brataas , Rembert A. Duine

We generate experimentally a honeycomb refractive index pattern in an atomic vapor cell using electromagnetically-induced transparency. We study experimentally and theoretically the propagation of polarized light beams in such "photonic…

Mesoscale and Nanoscale Physics · Physics 2020-02-13 Zhaoyang Zhang , Shun Liang , Feng Li , Shaohuan Ning , Yiming Li , G. Malpuech , Yanpeng Zhang , Min Xiao , D. Solnyshkov

There are different mechanisms proposed to be responsible for the temperature dependence of the interlayer exchange coupling (IEC), namely a smearing out of the spacer or interface Fermi surface and excitations and interactions of spin…

Strongly Correlated Electrons · Physics 2007-05-23 S. Schwieger , J. Kienert , W. Nolting

In graphene, the pseudospin and the valley flavor arise as new types of quantum degrees of freedom due to the honeycomb lattice comprising two sublattices (A and B) and two inequivalent Dirac points (K and K') in the Brillouin zone,…

Mesoscale and Nanoscale Physics · Physics 2011-12-26 Changwon Park , Heejun Yang , Andrew J. Mayne , Gerald Dujardin , Sunae Seo , Young Kuk , Jisoon Ihm , Gunn Kim

We analyze the spectroscopic features of bilayer graphene determined by the formation of pairs of low-energy and split bands in this material. We show that the inter-Landau-level absorption spectrum in bilayer graphene at high magnetic…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 D. S. L. Abergel , Vladimir I. Fal'ko

Spin-dependent transport at heavy metal/magnetic insulator interfaces is at the origin of many phenomena at the forefront of spintronics research. A proper quantification of the different interfacial spin conductances is crucial for many…

Employing first-principles calculations, we investigate efficiency of spin injection from a ferromagnetic (FM) electrode (Ni) into graphene and possible enhancement by using a barrier between the electrode and graphene. Three types of…

Materials Science · Physics 2014-11-05 Qingyun Wu , Lei Shen , Zhaoqiang Bai , Minggang Zeng , Ming Yang , Zhigao Huang , Yuan Ping Feng

The electronic structure of Bernal-stacked graphite subject to tilted magnetic fields has been investigated using infrared magneto-transmission experiments. With the increasing in-plane component of the magnetic field B, we observe…

Mesoscale and Nanoscale Physics · Physics 2012-10-17 N. A. Goncharuk , L. Nadvornik , C. Faugeras , M. Orlita , L. Smrcka
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