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Related papers: Layer-dependent quantum transport in KV2Se2O-based…

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The recent proposal of altermagnetism has drawn widespread attention to antiferromagnet (AFM) exhibiting spin splitting, extending beyond the realm of sign-alternating spin splitting in momentum space protected solely by rotational…

Materials Science · Physics 2025-07-01 Fangqi Liu , Yanrong Song , Zhenhua Zhang , Yong Liu , Sicong Zhu , Zhihong Lu , Rui Xiong

It has been reported in experiments that capping layers which enhance the perpendicular magnetic anisotropy (PMA) of magnetic tunnel junctions (MTJs) induce great impact on the tunnel magnetoresistance (TMR). To explore the essential…

Computational Physics · Physics 2017-01-02 Jiaqi Zhou , Weisheng Zhao , Yin Wang , Shouzhong Peng , Junfeng Qiao , Li Su , Lang Zeng , Na Lei , Lei Liu , Youguang Zhang , Arnaud Bournel

Altermagnets offer a unique pathway to functional spintronics by combining vanishing magnetization with large spin splitting. Here, we demonstrate that the canonical d-wave altermagnet KV2Se2O can deliver giant tunneling magnetoresistance…

Materials Science · Physics 2026-02-26 Bin Liu , Pei-Hao Fu , Yu-Xuan Sun , Xiao-Lin Zhang , Si-Cong Zhu , Xiang-Long Yu , Hua Wu , Yuan-Zhi Shao

Half-metallic Co-based full Heusler alloys have captured considerable attention of the researchers in the realm of spintronic applications, owing to their remarkable characteristics such as exceptionally high spin polarization at Fermi…

Applied Physics · Physics 2023-09-19 Joydipto Bhattacharya , Ashima Rawat , Ranjit Pati , Aparna Chakrabarti , Ravindra Pandey

Antiferromagnetic (AFM) spintronics has emerged as a subfield of spintronics, where an AFM N\'eel vector is used as a state variable. Efficient electric control and detection of the N\'eel vector are critical for spintronic applications.…

Materials Science · Physics 2024-06-07 Ding-Fu Shao , Evgeny Y. Tsymbal

Multiferroic tunnel junctions (MFTJs) have aroused significant interest due to their functional properties useful for non-volatile memory devices. So far, however, all the existing MFTJs have been based on perovskite-oxide heterostructures…

Mesoscale and Nanoscale Physics · Physics 2020-12-08 Yurong Su , Xinlu Li , Meng Zhu , Jia Zhang , Long You , Evgeny Y. Tsymbal

As Moore's law is gradually losing its effectiveness, developing alternative high-speed and low-energy-consuming information technology with post-silicon advanced materials is urgently needed. The successful application of tunneling…

Materials Science · Physics 2024-06-12 Lishu Zhang , Jun Zhou , Hui Li , Lei Shen , Yuan Ping Feng

Large magnetoresistance effect controlled by electric field rather than magnetic field or electric current is a preferable routine for designing low power consumption magnetoresistance-based spintronic devices. Here we propose an…

Mesoscale and Nanoscale Physics · Physics 2019-10-23 Yurong Su , Jia Zhang , Jing-Tao Lü , Jeongmin Hong , Long You

A new spintronic theory has been developed for the magnetic tunnel junction (MTJ) with single-crystal barrier. The barrier will be treated as a diffraction grating with intralayer periodicity, the diffracted waves of tunneling electrons…

Mesoscale and Nanoscale Physics · Physics 2016-04-19 Henan Fang , Mingwen Xiao , Wenbin Rui , Jun Du , Zhikuo Tao

Magnetic tunnel junction (MTJ) based on van der Waals (vdW) magnetic layers has been found to present excellent tunneling magnetoresistance (TMR) property, which has great potential applications in field sensing, non-volatile magnetic…

Mesoscale and Nanoscale Physics · Physics 2023-04-17 X. X. Ren , B. Liu , Xian Zhang , Ping Li , Zhi-Xin Guo

The tunnel magnetoresistance (TMR) effect observed in magnetic tunnel junctions (MTJs) is commonly used in many spintronic applications because the effect can easily convert from local magnetic states to electric signals in a wide range of…

Materials Science · Physics 2022-02-17 Thomas Scheike , Zhenchao Wen , Hiroaki Sukegawa , Seiji Mitani

Ferroelectric polarization switching in electrically controlled van der Waals multiferroic tunnel junctions (vdW-MFTJs) causes atomic migration, compromising device stability and fatigue resistance. Here we propose a fully magnetically…

Materials Science · Physics 2025-05-20 Zhi Yan , Xujin Zhang , Jianhua Xiao , Cheng Fang , Xiaohong Xu

Through Bayesian optimization and the least absolute shrinkage and selection operator (LASSO) technique combined with first-principles calculations, we investigated the tunnel magnetoresistance (TMR) effect of…

Materials Science · Physics 2020-05-27 Shenghong Ju , Yoshio Miura , Kaoru Yamamoto , Keisuke Masuda , Ken-ichi Uchida , Junichiro Shiomi

Magnetic tunnel junctions (MTJs) are key elements in practical spintronics, enabling not only conventional tasks such as data storage, transmission, and processing but also the implementation of compute-in-memory processing elements,…

Other Condensed Matter · Physics 2025-12-09 Maksim Stebliy , Alex Jenkins , Luana Benetti , Ricardo Ferreira

Altermagnets exhibit characteristics akin to antiferromagnets, with spin-split anisotropic bands in momentum space. RuO$_2$ has been considered as a prototype altermagnet; however, recent reports have questioned altermagnetic ground state…

We investigate spin-dependent conductance across a magnetic tunnel junction (MTJ) including a ferromagnetic insulating barrier. The MTJ consists of two half-metallic ferromagnetic La2/3Sr1/3MnO3 (LSMO) manganites as electrodes and La2NiMnO6…

Applied Physics · Physics 2022-12-09 M. Abbasi Eskandari , S. Ghotb , P. Fournier

We propose spin transfer torque--magnetoresistive random access memory (STT-MRAM) based on magneto-resistance and spin transfer torque physics of band-pass spin filtering. Utilizing the electronic analogs of optical phenomena such as…

Mesoscale and Nanoscale Physics · Physics 2019-08-20 Abhishek Sharma , Ashwin Tulapurkar , Bhaskaran Muralidharan

We present a magnetic tunnel junction (MTJ) where its two ferromagnetic layers are in the form of a single ellipse (SE) and two-crossing ellipses (TCE). The MTJ exhibits four distinct resistance states corresponding to the four remanent…

Applied Physics · Physics 2020-08-21 Shubhankar Das , Ariel Zaig , Moty Schultz , Susana Cardoso , Diana C Leitao , Lior Klein

We study the conductance oscillation of an antiferromagnetic layer tunnel junction composed of antiferromagnetic topological insulators (MTIs) such as MnBi$_{2}$Te$_{4}$. In presence of an in-plane magnetic field, we find that the two…

Mesoscale and Nanoscale Physics · Physics 2023-07-05 Sang-Jun Choi , Hai-Peng Sun , Björn Trauzettel

We report on first-principles spin-polarised quantum transport calculations (from NEGF+DFT) in MgO-spaced magnetic tunnel junctions (MTJs) based on two different Mn-based Heusler ferrimagnetic metals, namely Mn$_3$Al and Mn$_3$Ga in their…

Mesoscale and Nanoscale Physics · Physics 2023-01-23 Maria Stamenova , Plamen Stamenov , Nadjib Baadji