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Related papers: Proposal for a dual spin filter based on [VO(C$_3$…

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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

In this work, we investigate spin and valley transport properties of a WSe$_2$ monolayer placed on top of a ferromagnetic insulator. We are interested in controlling the transport properties by applying external potentials to the system. To…

Mesoscale and Nanoscale Physics · Physics 2021-03-16 D. Zambrano , P. A. Orellana , L. Rosales , A. Latgé

We consider "shuttling" of spin-polarized electrons between two magnetic electrodes (half-metals) by a movable dot with a single electronic level. If the magnetization of the electrodes is antiparallel we show that the transmittance of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 L. Y. Gorelik , S. I. Kulinich , R. I. Shekhter , M. Jonson , V. M. Vinokur

We report on the structural and electronic properties of the interface between the multiferoic oxide YMnO$_3$ and wide band-gap semiconductor GaN studied with the Hubbard-corrected local spin density approximation (LSDA+U) to…

Materials Science · Physics 2011-11-10 Na Sai , Jaekwang Lee , Craig J. Fennie , Alexander A. Demkov

The role of Chemistry in the road towards quantum devices is the design of elementary pieces with a built-in function. A brilliant example is the use of molecular transistors as nuclear spin detectors, which, up to now, has been implemented…

Mesoscale and Nanoscale Physics · Physics 2018-01-03 Salvador Cardona-Serra , Alejandro Gaita-Ariño

After more than a decade of extensive research on the magnetic order triggered by lattice defects in a wide range of nominally non-magnetic materials, we report its application in a spintronic device. This device is based on a spin-filter…

Mesoscale and Nanoscale Physics · Physics 2017-07-10 L. Botsch , I. Lorite , Y. Kumar , P. Esquinazi , T. Michalsky , J. Zajadacz , K. Zimmer

Recently, the chiral-induced spin selectivity in molecular systems has attracted extensive interest among the scientific communities. Here, we investigate the effect of the gate voltage on spin-selective electron transport through the…

Mesoscale and Nanoscale Physics · Physics 2015-09-16 Ting-Rui Pan , Ai-Min Guo , Qing-Feng Sun

We report an \emph{ab inito} investigation on the ground-state atomic configuration, electronic structures, magnetic and spin-dependent transport properties of Mn-doped Au$_{25}$ nanoclusters protected by thiolate. It is found that the most…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Miao Zhou , Yongqin Cai , Minggang Zeng , Chun Zhang , Yuan Ping Feng

Spin-crossover (SCO) molecules are versatile magnetic switches with applications in molecular electronics and spintronics. Downscaling devices to the single-molecule level remains, however, a challenging task since the switching mechanism…

We have studied the spin-splitting effect in a four-terminal two-dimensional (2D) electron gas system with two potential barriers generated by two surface metal gates and an external perpendicular magnetic field. The calculations show that…

Mesoscale and Nanoscale Physics · Physics 2019-06-26 Zijiang Wang , Jianhong He , Huazhong Guo

First-principles density functional calculations demonstrate that a spin-polarized two-dimensional conducting state can be realized at the interface between two non-magnetic band insulators. The (001) surface of the diamagnetic insulator…

Materials Science · Physics 2011-10-13 J. D. Burton , E. Y. Tsymbal

We study vanadium spinels $A$V$_2$O$_4$ ($A$ = Cd, Mg) in pulsed magnetic fields up to 65 T. A jump in magnetization at $\mu_0 H \approx$ 40 T is observed in the single-crystal MgV$_2$O$_4$, indicating a field induced quantum phase…

Strongly Correlated Electrons · Physics 2014-01-13 E. D. Mun , Gia-Wei Chern , V. Pardo , F. Rivadulla , R. Sinclair , H. D. Zhou , V. S. Zapf , C. D. Batista

We address the ballistic transmission of charge carriers across ordered line defects in monolayer transition metal dichalcogenides. Our study reveals the presence of a transport gap driven by spin-orbit interactions, spin and valley…

Mesoscale and Nanoscale Physics · Physics 2016-06-23 Artem Pulkin , Oleg V. Yazyev

CoV___O___ (CVO) stands out among spinel vanadates for its ultra-short V-V distances, placing it at the brink of itinerant electron behaviour-an ideal playground for strain engineering. In this work, we exploit this sensitivity by growing…

The spin-selective transport through helical molecules has been a hot topic in condensed matter physics, because it develops a new research direction in spintronics, \emph{i.e.}, chiro-spintronics. Double-stranded DNA (dsDNA) molecules have…

Mesoscale and Nanoscale Physics · Physics 2020-08-26 Gui-Fang Du , Hua-Hua Fu , Ruqian Wu

Magnetic excitations in an array of (VO)_2P_2O_7 single crystals have been measured using inelastic neutron scattering. Until now, (VO)_2P_2O_7 has been thought of as a two-leg antiferromagnetic Heisenberg spin ladder with chains running in…

Condensed Matter · Physics 2016-08-31 A. W. Garrett , S. E. Nagler , D. A. Tennant , B. C. Sales , T. Barnes

We investigate the spin transport properties of molecules belonging to the acenes series by using density functional theory combined with the non-equilibrium Green's function approach to electronic transport. While short acenes are found to…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 R. Pilevarshahri , I. Rungger , T. Archer , S. Sanvito , N. Shahtahmasebi

We investigate theoretically the spin-polarized electron transport for a wide-narrow-wide (WNW) quantum wire under the modulation of Rashba spin-orbit interaction (SOI). The influence of both the structure of the quantum wire and the…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Xianbo Xiao , Xiaomao Li , Yuguang Chen

We investigate the spatial distribution of spin orientation in magnetic nanoparticles consisting of hard and soft magnetic layers. The nanoparticles are synthesized in a core / shell spherical morphology where the magnetically hard, high…

Mesoscale and Nanoscale Physics · Physics 2021-05-26 C. Kons , K. L. Krycka , J. Robles , Nikolaos Ntallis , Manuel Pereiro , Manh-Huong Phan , Hariharan Srikanth , J. A. Borchers , D. A. Arena

The conductance resulting from resonant tunneling through a droplet of $N \sim 30$ electrons is used to measure its chemical potential $\mu_N$. Abrupt shifts of $\mu_N$ occur at sharply defined values of the magnetic field, at which the…

Condensed Matter · Physics 2007-05-23 O. Klein , C. de C. Chamon , D. Tang , D. M. Abusch-Magder , X. -G. Wen , M. A. Kastner , S. J. Wind
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