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Spintronic devices based on antiferromagnetic (AFM) materials hold the promise of fast switching speeds and robustness against magnetic fields. Different device concepts have been predicted and experimentally demonstrated, such as…

Topological antiferromagnetic (AFM) spintronics is an emerging field of research, which involves the topological electronic states coupled to the AFM order parameter known as the N$\acute{\rm e}$el vector. The control of these states is…

Mesoscale and Nanoscale Physics · Physics 2019-10-02 Hiroyuki Takenaka , Shane Sandhoefner , Alexey A. Kovalev , Evgeny Y. Tsymbal

We develop a theory for spin transported by coherent Neel dynamics through an antiferromagnetic insulator coupled to a ferromagnetic insulator on one side and a current-carrying normal metal with strong spin-orbit coupling on the other. The…

Mesoscale and Nanoscale Physics · Physics 2015-07-22 So Takei , Takahiro Moriyama , Teruo Ono , Yaroslav Tserkovnyak

Atomically thin two dimensional magnets have given rise to emergent phenomena due to magnetic exchange and spin-orbit coupling showing a great promise for realizing ultrathin device structures. In this paper, we critically examine the…

Mesoscale and Nanoscale Physics · Physics 2021-12-22 Duo Wang , Xin Chen , Biplab Sanyal

The magnetic order in antiferromagnetic (AF) materials is hard to control with external magnetic fields. However, recent advances in detecting and manipulating AF order electrically have opened up new prospects for these materials in basic…

In antiferromagnetic spintronics, it is essential to separate the resistance modifications of purely magnetic origin from other effects generated by current pulses intended to switch the N\'eel vector. We investigate the magnetoresistance…

Materials Science · Physics 2020-07-08 S. Yu. Bodnar , Y. Skourski , O. Gomonay , J. Sinova , M. Kläui , M. Jourdan

Strain engineering is a powerful technology which exploits stationary external or internal stress of specific spatial distribution for controlling the fundamental properties of condensed materials and nanostructures. This advanced technique…

Strongly Correlated Electrons · Physics 2019-02-06 Ia. A. Mogunov , F. Fernández , S. Lysenko , A. J. Kent , A. V. Scherbakov , A. M. Kalashnikova , A. V. Akimov

Altermagnets represent a novel magnetic phase with transformative potential for ultrafast spintronics, yet efficient control of their magnetic states remains challenging. We demonstrate an ultra-low-power electric-field control of…

The field of spintronics has seen a surge of interest in altermagnetism due to novel predictions and many possible applications. MnTe is a leading altermagnetic candidate that is of significant interest across spintronics due to its layered…

Changes in strain can be used to modify electronic and magnetic properties in crystal structures, to manipulate nanoparticles and cells, or to control chemical reactions. The magneto-elastic (ME) effect--the change of magnetic properties…

Perpendicular exchange bias (EB), which combines the perpendicular magnetic anisotropy and the ferromagnetic (FM) - antiferromagnetic (AFM) exchange coupling, is extremely important in the high-density AFM spintronics. However, the…

Materials Science · Physics 2019-03-14 Qu Yang , Zhongqiang Hu , Yao Zhang , Wei Su , Bin Peng , Jingen Wu , Ziyao Zhou , Yun He , Wanzhao Cui , Zhiguang Wang , Ming Liu

Influence of applied in-plane elastic strains on the static magnetic configuration of a 530 nm magnetostrictive FeCuNbSiB thin film. The in-plane strains are induced via the application of a voltage to a piezoelectric actuator on which the…

Spintronic phenomena to date have been established in magnets with collinear moments, where the spin injection through the spin Seebeck effect (SSE) is always along the out-of-plane direction. Here, we report the observation of a vector SSE…

Materials Science · Physics 2022-10-14 Jinsong Xu , Jiaming He , J. -S. Zhou , Danru Qu , Ssu-Yen Huang , C. L. Chien

Flexible spintronics has opened new avenue to promising devices and applications in the field of wearable electronics. Particularly, miniaturized strain sensors exploiting the spintronic function have attracted considerable attention, in…

Materials Science · Physics 2025-03-27 Keita Ito , Ivan Kurniawan , Yusuke Shimada , Yoshio Miura , Yasushi Endo , Takeshi Seki

Electrical control of the non-trivial topology in Weyl antiferromagnet is of great interests to develop next-generation spintronic devices. Recent works suggest that spin Hall effect can switch the topological antiferromagnetic order.…

We present a study of the control of electric field induced strain on the magnetic and electrical transport properties in a magneto-elastically coupled artificial multiferroic Fe3O4/BaTiO3 heterostructure. In this Fe3O4/BaTiO3…

The direct magnetoelectric (ME) effect mediated by lattice strains induced in a ferroelectric film by a ferromagnetic substrate is evaluated using first-principles-based calculations. To that end, the strain sensitivity of ferroelectric…

Materials Science · Physics 2015-06-04 Pierre-Eymeric Janolin , Nikolay A. Pertsev , David Sichuga , L. Bellaiche

We present both static and time-resolved second harmonic generation (SHG) measurements on polar antiferromagnet Fe$_2$Mo$_3$O$_8$ to monitor the evolution of the electric polarization change and its coupling to magnetic order. We find that…

Strongly Correlated Electrons · Physics 2021-08-29 L. Y. Shi , D. Wu , T. Lin , S. J. Zhang , Q. M. Liu , Z. X. Wang , T. C. Hu , T. Dong , N. L. Wang

Two-dimensional materials are extraordinarily sensitive to external stimuli, making them ideal for studying fundamental properties and for engineering devices with new functionalities. One such stimulus, strain, affects the magnetic…

Manipulating spin in antiferromagnetic (AFM) materials has great potential in AFM opto-spintronics. Laser pulses can induce a transient ferromagnetic (FM) state in AFM metallic systems, but have never been proven in two-dimensional (2D) AFM…

Materials Science · Physics 2022-03-11 Shuo Li , Junjie He , Thomas Frauenheim