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The integration of the spin degree of freedom in charge-based electronic devices has revolutionised both sensing and memory capability in microelectronics. Further development in spintronic devices requires electrical manipulation of spin…

Mesoscale and Nanoscale Physics · Physics 2016-11-15 Wenjing Yan , Oihana Txoperena , Roger Llopis , Hanan Dery , Luis E. Hueso , Fèlix Casanova

Spin-orbit interactions are known to have drastic effects on the band structure of heavy-element-based materials. Celebrated examples are the recently identified 3D and 2D topological insulators. In those systems transport takes place at…

Electrons in one-dimension display the unusual property of separating their spin and charge into two independent entities: The first, which derive from uncharged spin-1/2 electrons, can travel at different velocities when compared with the…

Strongly Correlated Electrons · Physics 2012-09-26 Daniel Vieira

The band structures of single-layer MoS$_2$ and WS$_2$ present a coupling between spin and valley degrees of freedom that suppresses spin-flip scattering and spin dephasing. Here we show that out-of-plane deformations, such as corrugations…

Mesoscale and Nanoscale Physics · Physics 2017-04-12 Shoeib Babaee Touski , Rafael Roldán , Mahdi Pourfath , M. Pilar López-Sancho

Two-dimensional (2D) crystals, such as graphene, hexagonal boron nitride and transitional metal dichalcogenides, have attracted tremendous amount of attention over the past decade due to their extraordinary thermal, electrical and optical…

Materials Science · Physics 2017-02-16 Y. Zhao , Z. Wan , U. Hetmaniuk , M. P. Anantram

Motivated by recent scanning tunneling microscope (STM) experiments on cobalt clusters adsorbed on single wall metallic nanotubes [Odom {\em et al.}, Science {\bf 290}, 1549 (2000)], we study theoretically the size dependence of STM spectra…

Strongly Correlated Electrons · Physics 2009-11-07 Gregory A. Fiete , Gergely Zarand , Bertrand I. Halperin , Yuval Oreg

The features of electric transport in the powder samples consisting of the nanosize 2D-MoS2 flakes with different number of layers have been studied under the conditions of uniaxial pressure. There have been measured current-voltage…

Mesoscale and Nanoscale Physics · Physics 2024-07-29 V. V. Vainberg , O. S. Pylypchuk , V. N. Poroshin , M. V. Olenchuk , G. I. Dovbeshko

This work examines the influence of thickness on the electrical transport properties of mechanically exfoliated two-dimensional SnSe$_2$ nanosheets, derived from the bulk single crystal. Contrary to conventional trend observed in…

Mesoscale and Nanoscale Physics · Physics 2025-09-15 Aarti Lakhara , Lars Thole , Rolf J. Haug , P. A. Bhobe

We study the band structure and transport properties of ferromagnetic tetragonal silicene nanoribbons by using the non-equilibrium Green's function method. The band structure and spin-dependent conductance are discussed under the combined…

Mesoscale and Nanoscale Physics · Physics 2023-01-04 Liehong Liao , Ying Ding , Fei Wan , Jiayan Zhang , Zhihui Chen , Xinyu Cheng , Ru Bai , Gaofeng Xu , Yuan Li

Two-dimensional (2D) layered materials, whether in bulk form or reduced to just a single layer, have potential applications in spintronics and capacity for advanced quantum phenomena. A prerequisite for harnessing these opportunities lies…

Strongly Correlated Electrons · Physics 2024-04-04 Raju Baral , Amanda V. Haglund , Jue Liu , Alexander I. Kolesnikov , David Mandrus , Stuart Calder

Low-symmetry two-dimensional (2D) topological materials such as MoTe$_2$ host efficient charge-to-spin conversion (CSC) mechanisms that can be harnessed for novel electronic and spintronic devices. However, the nature of the various CSC…

We demonstrate thermally switchable chiroptical activity in a chiral spin crossover (SCO) material, where circular dichroism is significant in the low spin state but quenched in the high-spin state for both enantiomers. With magnetometry we…

Using Density functional theory and non-equilibrium Green's function formalism, spin dependent electron transport in Fe/Mo$_x$Cr$_{1-x}$S$_2$/Fe magnetic tunnel junction is studied. Spin transport for different thicknesses (1, 3, 5, and 7…

Materials Science · Physics 2026-01-06 Aloka Ranjan Sahoo , Sharat Chandra

Two new photo-switchable terphenylthiazoles molecules are synthesized and self-assembled as monolayers on Au and on ferromagnetic Co electrodes. The electron transport properties probed by conductive atomic force microscopy in ultra-high…

Spin-mechanical coupling is vital in diverse fields including spintronics, sensing and quantum transduction. Two-dimensional (2D) magnetic materials provide a unique platform for investigating spin-mechanical coupling, attributed to their…

Mesoscale and Nanoscale Physics · Physics 2024-08-07 Fan Fei , Yulu Mao , Wuzhang Fang , Wenhao Liu , Jack P. Rollins , Aswin L. N. Kondusamy , Bing Lv , Yuan Ping , Ying Wang , Jun Xiao

We present theoretical predictions of spintronic transport phenomena that should be observable in ferromagnetic Fe nanocontacts bridged by chains of Fe atoms. We develop appropriate model Hamiltonians based on semi-empirical considerations…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Hugh Dalgleish , George Kirczenow

The structural and magnetic properties of ZnFe2O4 nanoparticles embedded in a non-magnetic ZnO matrix are presented. X-ray diffractograms and Transmission Electron Microscopy (TEM) images showed that the resulting samples are composed of…

Materials Science · Physics 2012-12-13 G. F. Goya , E. R. Leite

Low-dimensional (LD) transition metal dichalcogenides (TMDs) in the form of nanoflakes, which consist of one or several layers, are the subject of intensive fundamental and applied research. Due to the size-induced transition from a bulk to…

Several spin-orbit effects allow performing spin to charge inter-conversion: the spin Hall effects, the Rashba effect, or the spin-momentum locking in topological insulators. Here we focus on how the detection of this inter-conversion can…

Materials Science · Physics 2018-09-18 V. T. Pham , L. Vila , G. Zahnd , P. Noël , A. Marty , J. P. Attané

Motivated by recent experiments of successfully carving out stable carbon atomic chains from graphene, we investigate a device structure of a carbon chain connecting two zigzag graphene nanoribbons with highly tunable spin-dependent…

Mesoscale and Nanoscale Physics · Physics 2013-06-17 Yuehua Xu , Bao-Ji Wang , San-Huang Ke