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Related papers: Low voltage control of ferromagnetism in a semicon…

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Storing, transmitting, and manipulating information using the electron spin resides at the heart of spintronics. Fundamental for future spintronics applications is the ability to control spin currents in solid state systems. Among the…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Fabrizio Nichele , Szymon Hennel , Patrick Pietsch , Werner Wegscheider , Peter Stano , Philippe Jacquod , Thomas Ihn , Klaus Ensslin

Altermagnets (AMs) - magnetic materials that have spin-split bandstructure with zero net spin polarization can be classified as weak or strong depending upon the strength of altermagnetic term in the Hamiltonian. We theoretically…

Mesoscale and Nanoscale Physics · Physics 2026-02-18 Shubham Ghadigaonkar , Sachchidanand Das , Abhiram Soori

We suggest a consistent microscopic theory of spin injection from a ferromagnet (FM) into a semiconductor (S). It describes tunneling and emission of electrons through modified FM-S Schottky barrier with an ultrathin heavily doped…

Materials Science · Physics 2009-11-10 V. V. Osipov , A. M. Bratkovsky

The primary impediment to continued downscaling of traditional charge-based electronic devices in accordance with Moore's law is the excessive energy dissipation that takes place in the device during switching of bits. One very promising…

Mesoscale and Nanoscale Physics · Physics 2015-04-16 Kuntal Roy

Manipulation of magnetization by electric field is a central goal of spintronics because it enables energy-efficient operation of spin-based devices. Spin wave devices are promising candidates for low-power information processing but a…

We study theoretically spin transport through a single-molecule magnet (SMM) in the sequential and cotunneling regimes, where the SMM is weakly coupled to one ferromagnetic and one normalmetallic leads. By a master-equation approach, it is…

Mesoscale and Nanoscale Physics · Physics 2017-09-19 Haiqing Xie , Fuming Xu , Hujun Jiao , Qiang Wang , J. -Q. Liang

This paper reviews the recent developments on building nanoelectronics for our future information processing paradigm using multiferroic composites. With appropriate choice of materials, when a tiny voltage of few tens of millivolts is…

Mesoscale and Nanoscale Physics · Physics 2019-06-05 Kuntal Roy

Superconducting spintronics has emerged in the last decade as a promising new field that seeks to open a new dimension for nanoelectronics by utilizing the internal spin structure of the superconducting Cooper pair as a new degree of…

The discovery of novel properties, effects or microscopic mechanisms in modern materials science is often driven by the quest for combining, into a single compound, several functionalities: not only the juxtaposition of the latter…

Materials Science · Physics 2014-06-17 Silvia Picozzi

Nanometric magnonic and spintronic devices need magnetic field control in addition to conventional electronic control. In this work we review ways to replace magnetic field control by an electronic one in order to circumvent appearance of…

Materials Science · Physics 2016-10-14 C. Tannous , J. Gieraltowski

The aim of voltage control of magnetism is to reduce the power consumption of spintronic devices. For a spin valve, the magnetization directions of two ferromagnetic layers determine the giant magnetoresistance magnitude. However, achieving…

Mesoscale and Nanoscale Physics · Physics 2024-05-28 Lujun Wei , Yiyang Zhang , Fei Huang , Jiajv Yang , Jincheng Peng , Yanghui Li , Yu Lu , Jiarui Chen , Tianyu Liu , Yong Pu , Jun Du

Control and detection of spin order in ferromagnets is the main principle allowing storing and reading of magnetic information in nowadays technology. The large class of antiferromagnets, on the other hand, is less utilized, despite its…

Materials Science · Physics 2019-09-23 P. Nemec , M. Fiebig , T. Kampfrath , A. V. Kimel

Antiferromagnetic spintronics focuses on investigating and using antiferromagnets as active elements in spintronics structures. Last decade advances in relativistic spintronics led to the discovery of the staggered, current-induced field in…

Mesoscale and Nanoscale Physics · Physics 2018-04-17 Libor Šmejkal , Tomáš Jungwirth

Exerting control of the magnetic exchange interaction in heterostructures is of both basic interest and has potential for use in spin-based applications relying on quantum effects. We here show that the sign of the exchange interaction in a…

Superconductivity · Physics 2019-07-03 Jabir Ali Ouassou , Jacob Linder

Recent results in electric-field control of magnetism have paved the way for the design of alternative magnetic and spintronic devices with enhanced functionalities and low power consumption. Among the diversity of reported magnetoelectric…

Current-induced magnetization excitation is a core phenomenon for next-generation magnetic nanodevices, and has been attributed to the spin-transfer torque (STT) that originates from the transfer of the spin angular momentum between a…

Materials Science · Physics 2016-03-30 K. J. Kim , T. Moriyama , T. Koyama , D. Chiba , S. W. Lee , S. J. Lee , K. J. Lee , H. W. Lee , T. Ono

The primary impediment to continued improvement of traditional charge-based electronic devices in accordance with Moore's law is the excessive energy dissipation that takes place in the devices during switching of bits. One very promising…

Mesoscale and Nanoscale Physics · Physics 2015-06-30 Kuntal Roy

The exploration of ferroelectric phase transitions enables an in-depth understanding of ferroelectric switching and promising applications in information storage. However, controllably tuning the dynamics of ferroelectric phase transitions…

Materials Science · Physics 2023-10-13 Xin He , Yinchang Ma , Chenhui Zhang , Aiping Fu , Weijin Hu , Yang Xu , Bin Yu , Kai Liu , Hua Wang , Xixiang Zhang , Fei Xue

New mechanism of magnetoresistance, based on tunneling-emission of spin polarized electrons from ferromagnets (FM) into semiconductors (S) and precession of electron spin in the semiconductor layer under external magnetic field, is…

Materials Science · Physics 2009-11-10 A. M. Bratkovsky , V. V. Osipov

Spin currents can be generated through various mechanisms, including the piezospintronic effect, which arises when strain or lattice distortions induce a change in the dipolar spin moment, causing a pure spin current without necessarily…

Mesoscale and Nanoscale Physics · Physics 2026-03-24 Martin Latorre , Gaspar De la Barrera , Roberto E. Troncoso , Alvaro S. Nunez