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Related papers: Thermal contribution to current-driven antiferroma…

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Sufficiently large electric current applied to metallic nanostructures can bring them far out-of-equilibrium, resulting in non-Ohmic behaviors characterized by current-dependent resistance. We experimentally demonstrate a linear dependence…

Mesoscale and Nanoscale Physics · Physics 2020-03-25 Guanxiong Chen , Ryan Freeman , Andrei Zholud , Sergei Urazhdin

Activating metamagnetic transitions between ordered states in van der Waals magnets and devices bring great opportunities in spintronics. We show that external pressure, which enhances the interlayer hopping without introducing chemical…

Strongly Correlated Electrons · Physics 2022-07-25 Tiema Qian , Eve Emmanouilidou , Chaowei Hu , Jazmine C. Green , Igor I. Mazin , Ni Ni

Electrical switching of N\'eel order in an antiferromagnetic insulator is desirable as a basis for memory applications. Unlike electrically-driven switching of ferromagnetic order via spin-orbit torques, electrical switching of…

We investigate switching of magnetic tunnel junctions (MTJs) driven by the thermal effect of the transport current through the junctions. The switching occurs in a specially designed composite free layer, which acts as one of the MTJ…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 A. F. Kravets , D. M. Polishchuk , V. A. Pashchenko , A. I. Tovstolytkin , V. Korenivski

Recently the memristive electrical transport properties in NbO$_2$ have attracted much attention for their promising application to the neuromorphic computation. At the center of debates is whether the metal-to-insulator transition (MIT)…

Mesoscale and Nanoscale Physics · Physics 2022-10-20 Samuel W. Olin , S. Abdel Razek , L. F. J. Piper , Wei-Cheng Lee

Current-driven insulator-metal transitions are in many cases driven by Joule heating proportional to the square of the applied current. Recent nano-imaging experiments in Ca$_2$RuO$_4$ reveal a metal-insulator phase boundary that depends on…

Strongly Correlated Electrons · Physics 2020-08-12 Giuliano Chiriacò , Andrew Millis

Context: Many thermally emitting isolated neutron stars have magnetic fields larger than 10^13 G. A realistic cooling model that includes the presence of high magnetic fields should be reconsidered. Aims: We investigate the effects of…

Astrophysics · Physics 2009-11-13 Deborah N. Aguilera , José A. Pons , Juan A. Miralles

Effectively tuning magnetic state by using current is essential for novel spintronic devices. Magnetic van der Waals (vdW) materials have shown superior properties for the applications of magnetic information storage based on the efficient…

Materials Science · Physics 2025-09-30 Shaohua Yan , Shangjie Tian , Yang Fu , Fanyu Meng , Zhiteng Li , Hechang Lei , Shouguo Wang , Xiao Zhang

Spin-polarized charge-currents induce magnetic tunnel junction (MTJ) switching by virtue of spin-transfer-torque (STT). Recently, by taking advantage of the spin dependent thermoelectric properties of magnetic materials, novel means of…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Aakash Pushp , Timothy Phung , Charles Rettner , Brian P. Hughes , See-Hun Yang , Stuart S. P. Parkin

We report a study of the low-temperature heat transport in the quasi-one-dimensional S = 1/2 alternating antiferromagnetic-ferromagnetic chain compound (CH_{3})_{2}NH_{2}CuCl_{3}. Both the temperature and magnetic-field dependencies of…

Strongly Correlated Electrons · Physics 2011-10-20 L. M. Chen , X. M. Wang , W. P. Ke , Z. Y. Zhao , X. G. Liu , C. Fan , Q. J. Li , X. Zhao , X. F. Sun

Low-energy antiferromagnetic phase transitions offer an appealing platform for low-power spintronic functionalities, yet their direct electrical access in insulating antiferromagnets remains challenging, particularly in the low-field regime…

Understanding heating and cooling mechanisms in mesoscopic superconductor-semiconductor hybrid devices is crucial for their application in quantum technologies. Owing to the poor thermal conductivity of typical devices, heating effects can…

Mesoscale and Nanoscale Physics · Physics 2024-06-12 Angel Ibabe , Gorm O. Steffensen , Ignacio Casal , Mario Gomez , Thomas Kanne , Jesper Nygard , Alfredo Levy Yeyati , Eduardo J. H. Lee

We report a systematic study of current-induced perpendicular magnetization switching in W/Co$_{x}$Tb$_{1-x}$/Al thin films with strong perpendicular magnetic anisotropy. Various Co$_{x}$Tb$_{1-x}$ ferrimagnetic alloys with different…

In spinel-type nickelate NiRh$_2$O$_4$, magnetic ordering is observed upon the sample synthesized via kinetically controlled low-temperature solid-state metathesis, as opposed to previously-reported samples obtained through conventional…

Strongly Correlated Electrons · Physics 2023-10-24 Yuya Haraguchi , Daisuke Nishio-Hamane , Hiroko Aruga Katori

Electrical switching and readout of antiferromagnets allows to exploit the unique properties of antiferromagnetic materials in nanoscopic electronic devices. Here we report experiments on the spin-orbit torque induced electrical switching…

Materials Science · Physics 2020-03-25 Mareike Dunz , Tristan Matalla-Wagner , Markus Meinert

The nonlinear sigma-model and its generalization on N-component spins, the O(N) model, are considered to describe thermodynamics of a quantum quasi-two-dimensional (quasi-2D) Heisenberg antiferromagnet. A comparison with standard spin-wave…

Condensed Matter · Physics 2009-10-30 V. Yu. Irkhin , A. A. Katanin

Applying a magnetic field to a solid changes its thermal-transport properties. Although such magneto-thermal-transport phenomena are usually small effects, giant magneto-thermal resistance has recently been observed in spintronic…

Due to stringent thermal budgets in cryogenic technologies such as superconducting quantum computers and sensors, minimizing the energy dissipation and power consumption of cryogenic electronic components is pivotal for large-scale devices.…

Temperature plays an important role in spin torque switching of magnetic tunnel junctions causing magnetization fluctuations that decrease the switching voltage but also introduce switching errors. Here we present a systematic study of the…

Electrical manipulation of magnetic order by current-induced spin torques lays the foundation for spintronics. One promising approach is encoding information in the N\'eel vector of antiferromagnetic (AFM) materials, particularly to…