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Using first-principles calculations, we show that the magnetic properties of a two-dimensional antiferromagnetic transition-metal surface are modified on the atomic scale by the adsorption of small organic molecules. We consider benzene…

Materials Science · Physics 2015-06-16 Nuala M. Caffrey , Paolo Ferriani , Simone Marocchi , Stefan Heinze

We report a first-principle study on electronic structure and simulation of the spin-polarized scanning tunneling microscopy graphic of a benzene/Fe4N interface. Fe4N is a compound ferromagnet suitable for many spintronic applications. We…

Materials Science · Physics 2015-06-01 Qian Zhang , Wenbo Mi , Xiaocha Wang , Xuhui Wang

Organic spintronic devices have been appealing because of the long spin life time of the charge carriers in the organic materials and their low cost, flexibility and chemical diversity. In previous studies, the control of resistance of…

A systematic microscopic theory of magnetically induced ferroelectricity and lattice modulation is presented for all electron configurations of Mott-insulating transition-metal oxides. Various mechanisms of polarization are identified in…

Strongly Correlated Electrons · Physics 2009-11-13 Chenglong Jia , Shigeki Onoda , Naoto Nagaosa , Jung Hoon Han

Electric field control of the magnetic state in ferrimagnets holds great promise for developing spintronic devices due to low power consumption. Here, we demonstrate a non-volatile reversal of perpendicular net magnetization in a…

Conventional computer electronics creates a dichotomy between how information is processed and how it is stored. Silicon chips process information by controlling the flow of charge through a network of logic gates. This information is then…

Materials Science · Physics 2012-11-27 A. Chernyshov , M. Overby , X. Liu , J. K. Furdyna , Y. Lyanda-Geller , L. P. Rokhinson

It is shown that in organic semiconductors where organic magnetoresistance (OMAR) is observed, the exchange interaction between electrons and holes localized at different molecules leads to dynamic spin polarization in the direction of the…

Disordered Systems and Neural Networks · Physics 2022-04-06 A. V. Shumilin

By means of first principles calculations we demonstrate an effective method to tailor the local spin configuration of graphene on Co(0001) surface through nitrogen doping. Two different site occupancies of the N impurities are discussed…

Materials Science · Physics 2011-11-16 Zhongping Chen , Ling Miao , Xiangshui Miao

We have investigated the variation of induced ferroelectric polarization under magnetic field with various directions and magnitudes in a staggered antiferromagnet Ba$_2$CoGe$_2$O$_7$. While the ferroelectric polarization cannot be…

Strongly Correlated Electrons · Physics 2015-05-19 H. Murakawa , Y. Onose , S. Miyahara , N. Furukawa , Y. Tokura

Altermagnets, with spin splitting and vanishing magnetization, have been attributed to many fascinating phenomena and potential applications. In particular, integrating ferroelectricity with altermagnetism to enable magnetoelectric coupling…

Materials Science · Physics 2025-09-09 Ziye Zhu , Yuntian Liu , Xunkai Duan , Jiayong Zhang , Bowen Hao , Su-Huai Wei , Igor Zutic , Tong Zhou

Spintronic devices currently rely on magnetic switching or controlled motion of domain walls by an external magnetic field or spin-polarized current. Achieving the same degree of magnetic controllability using an electric field has…

Materials Science · Physics 2012-02-14 Tuomas H. E. Lahtinen , Kévin J. A. Franke , Sebastiaan van Dijken

In this paper we review the recent field of organic spintronics, where organic materials are applied as a medium to transport and control spin-polarized signals. The contacts for injecting and detecting spins are formed by metals, oxides,…

Mesoscale and Nanoscale Physics · Physics 2007-06-13 W. J. M. Naber , S. Faez , W. G. van der Wiel

Magnetoelectric coupling has been a trending research topic in both organic and inorganic materials and hybrids. The concept of controlling magnetism using an electric field is particularly appealing in energy efficient applications. In…

Materials Science · Physics 2019-11-26 Xiaoshan Xu

We investigate the physical mechanisms for achieving an electrical control of conventional spin-singlet superconductivity in thin films by focusing on the role of surface orbital polarization. Assuming a multi-orbital description of the…

Superconductivity · Physics 2020-09-18 Maria Teresa Mercaldo , Paolo Solinas , Francesco Giazotto , Mario Cuoco

We propose a novel ferroelectric switchable altermagnetism effect, the reversal of ferroelectric polarization is coupled to the switching of altermagnetic spin splitting. We demonstrate the design principles for the ferroelectric…

Terahertz (THz) sciences and technologies have contributed to a rapid development of a wide range of applications and expanded the frontiers in fundamental science. Spintronic terahertz emitters offer conceptual advantages since the spin…

All-electrical and programmable manipulations of ferromagnetic bits are highly pursued for the aim of high integration and low energy consumption in modern information technology. Methods based on the spin-orbit torque switching in heavy…

Noninteracting electrons confined to a corrugated surface are investigated in magnetic field, and the associated effective Pauli equation is given analytically by the thin-layer quantization scheme. Interestingly, the Zeeman splitting gaps…

Mesoscale and Nanoscale Physics · Physics 2020-01-22 Hao Zhao , Yong-Long Wang , Run Cheng , Guo-Hua Liang , Hua Jiang , Hui Liu , Hong-Shi Zong

Altermagnets host unconventional spin-polarized bands despite zero net magnetization, but controlling their spin structure remains challenging. We propose a multi-field approach to engineer spin polarization in $d$-wave altermagnets using…

Properties are discussed of a ferromagnetic junction of the type "rod contacting with film". Very high current density of the order of $10^9$ A/cm$^2$ may be achieved in the contact region. We show it can lead to inversion of population of…

Materials Science · Physics 2010-05-11 S. G. Chigarev , E. M. Epshtein , Yu. V. Gulyaev , P. E. Zilberman
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