Work

Tunneling magnetoresistance effect in altermagnets

Year: 2025

Type: article

Abstract: Altermagnetism, as a newly identified unconventional magnetic phase, has attracted great interest in condensed matter physics and provides a novel research platform for spintronics. Here, the authors theoretically study the tunneling magnetoresistance (TMR) effect and its transport properties in a universal altermagnetic sandwich device. They systematically investigate how the altermagnetic orientations affect the conductance and TMR ratio, together with the rich and intriguing underlying symmetry relations. This work introduces a new design perspective for the next-generation information and paves the way for the advancement of spintronics technologies.

Source: Physical review. B./Physical review. B

DOI: 10.1103/t8b5-l859

Authors: Yu-Fei Sun, Yue Mao, Yu-Chen Zhuang, Qing-Feng Sun

Institutions: Peking University, Collaborative Innovation Center of Quantum Matter

Language: English

Topic: Magnetic properties of thin films

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

Funders: National Natural Science Foundation of China, China Postdoctoral Science Foundation, Peking University, National Key Research and Development Program of China

Awards: G2218941694, G721593811, G7883239182, G8589059293