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Antiferromagnetic materials could represent the future of spintronic applications thanks to the numerous interesting features they combine: they are robust against perturbation due to magnetic fields, produce no stray fields, display…

Materials Science · Physics 2018-02-20 V. Baltz , A. Manchon , M. Tsoi , T. Moriyama , T. Ono , Y. Tserkovnyak

Spatially nonhomogeneously spin polarized nuclei are proposed as a new mechanism to monitor electron states in a nanostructure, or as a means to createn and, if necessary, reshape such nanostructures in the course of the experiment. We…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 V. Fleurov , V. A. Ivanov , F. M. Peeters , I. D. Vagner

The carrier spin and impurity spin densities in diluted magnetic semiconductors are considered using a semiclassical approach. Equations of motions for the spin densities and the carrier spin current density in the paramagnetic phase are…

Materials Science · Physics 2009-11-10 C. Timm , F. von Oppen , F. Höfling

In this chapter we intend to discuss the major trends in the evolution of microelectronics and its eventual transition to nanoelectronics. As it is well known, there is a continuous exponential tendency of microelectronics towards…

Mesoscale and Nanoscale Physics · Physics 2013-01-28 G. Allan , C. Delerue , C. Krzeminski , M. Lannoo

This review presents the recent progress in computational materials design, experimental realization, and control methods of spinodal nanodecomposition under three- and two-dimensional crystal-growth conditions in spintronic materials, such…

Materials Science · Physics 2015-12-23 T. Dietl , K. Sato , T. Fukushima , A. Bonanni , M. Jamet , A. Barski , S. Kuroda , M. Tanaka , Pham Nam Hai , H. Katayama-Yoshida

The pinning properties of type-II superconductors can be efficiently controlled by using laterally nanostructured ferromagnet / superconductor bilayers. This will be illustrated by studying the flux pinning in thin superconducting Pb films…

Superconductivity · Physics 2007-05-23 M. Lange , M. J. Van Bael , L. Van Look , S. Raedts , V. V. Moshchalkov , Y. Bruynseraede

Voltage control of magnetism (VCM) is attracting increasing interest and exciting significant research activity driven by its profound physics and enormous potential for application. This review article aims to provide a comprehensive…

Materials Science · Physics 2017-02-14 Cheng Song , Bin Cui , Fan Li , Xiangjun Zhou , Feng Pan

The understanding and calculation of spin transport are essential elements for the development of spintronics devices. Here, we propose a simple method to calculate analytically the spin accumulations, spin currents and magnetoresistances…

Mesoscale and Nanoscale Physics · Physics 2015-06-09 W. Savero Torres , A. Marty , P. Laczkowski , L. Vila , M. Jamet , J-P. Attané

We propose a model to explore the dynamics of spin-systems coupled by exchange interaction to the conduction band electrons of a semiconductor material that forms the channel in a ferromagnet/semiconductor/ferromagnet spin-valve structure.…

Mesoscale and Nanoscale Physics · Physics 2008-11-04 L. Siddiqui , D. Saha , S. Datta , P. Bhattacharya

We review the recent progress in understanding the properties of spin-split superconductors under non-equilibrium conditions. Recent experiments and theories demonstrate a rich variety of transport phenomena occurring in devices based on…

Superconductivity · Physics 2019-02-01 F. Sebastian Bergeret , Mikhail Silaev , Pauli Virtanen , Tero T. Heikkila

Magnetically ordered, electrically insulating materials pave the way towards novel spintronic devices. In these materials the flow of magnetic excitations such as magnons results in pure spin currents. These spin currents can be driven by…

Applied Physics · Physics 2017-12-25 Matthias Althammer , Sebastian T. B. Goennenwein , Rudolf Gross

Integrating semiconducting and magnetic materials could combine transistor-like operation with nonvolatility and enable architectures such as logic-in-memory. Here, we employ correlated electrical transport and scanning nitrogen-vacancy…

A critical analysis of recent advances in synthesis and electrical characterization of nanofibers and nanotubes made of different conjugated polymers is presented. The applicability of various theoretical models is considered in order to…

Soft Condensed Matter · Physics 2007-05-23 Andrey N. Aleshin

Material systems that exhibit tunable spin-selective conductivity are key components of spintronic technologies. Here we demonstrate a novel type of spin-selective transport, based on the unusual Landau level (LL) sequence observed in…

Mesoscale and Nanoscale Physics · Physics 2023-07-04 En-Min Shih , Qianhui Shi , Daniel Rhodes , Bumho Kim , Kenji Watanabe , Takashi Taniguchi , Kun Yang , James Hone , Cory R. Dean

Molecular electronics on silicon has distinct advantages over its metallic counterpart. We describe a theoretical formalism for transport through semiconductor-molecule heterostructures, combining a semi-empirical treatment of the bulk…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 T. Rakshit , G-C. Liang , A. W. Ghosh , S. Datta

A memristor, a two-terminal nanodevice, has garnered substantial attention in recent years due to its distinctive properties and versatile applications. These nanoscale components, characterized by their simplicity of manufacture,…

Applied Physics · Physics 2025-02-20 Nikolaos Vasileiadis , Georgios Ch Sirakoulis , Panagiotis Dimitrakis

Electronic structures of SiC nanoribbons have been studied by spin-polarized density functional calculations. The armchair nanoribbons are nonmagnetic semiconductor, while the zigzag nanoribbons are magnetic metal. The spin polarization in…

Materials Science · Physics 2009-11-13 Lian Sun , Yafei Li , Zhenyu Li , Qunxiang Li , 1 Zhen Zhou , Zhongfang Chen , Jinlong Yang , J. G. Hou

While superconductors are highly attractive for energy-efficient computing, fundamental limitations in their logic circuit integration have hindered scaling and led to increased energy consumption. We therefore propose and experimentally…

An attractive feature of magnetic adatoms and molecules for nanoscale applications is their superparamagnetism, the preferred alignment of their spin along an easy axis preventing undesired spin reversal. The underlying magnetic anisotropy…

Mesoscale and Nanoscale Physics · Physics 2014-07-22 Maciej Misiorny , Michael Hell , Maarten R. Wegewijs

Half-integer topological defects in polariton condensates can be regarded as magnetic charges, with respect to built-in effective magnetic fields present in microcavities. We show how an integer topological defect can be separated into a…

Mesoscale and Nanoscale Physics · Physics 2013-03-28 H. Flayac , D. Solnyshkov , G. Malpuech