English
Related papers

Related papers: Interface-Controlled Antiferromagnetic Tunnel Junc…

200 papers

The spin filtering effect, distinct decaying lengths experienced by oppositely spin-polarized electrons in a magnetic barrier, generally occurs in ferromagnetic (FM) insulators or semiconductors. With the rise of altermagnetic (ALM)…

Materials Science · Physics 2025-01-08 Boyuan Chi , Leina Jiang , Yu Zhu , Guoqiang Yu , Caihua Wan , Xiufeng Han

The recent emergence of van der Waals (vdW) ferromagnets has opened new opportunities for designing spintronic devices. We theoretically investigate the coherent spin-dependent transport properties of the vdW ferromagnet Fe$_4$GeTe$_2$, by…

Materials Science · Physics 2024-03-18 Anita Halder , Declan Nell , Antik Sihi , Akash Bajaj , Stefano Sanvito , Andrea Droghetti

Magneto-transport properties in hybrid magnetic tunnel junctions (MTJs) integrating self-assembled monolayers (SAMs) as tunnel barriers are critically influenced by spinterface effects, which arise from the electronic properties at…

Magnetic Tunnel Junction (MTJ) based Spin-Transfer Torque Magnetic Random Access Memory (STT-MRAM) is poised to replace embedded Flash for advanced applications such as automotive microcontroller units. To achieve deeper technological…

Mesoscale and Nanoscale Physics · Physics 2025-02-28 Nicholas A. Lanzillo , Sergey Faleev , Aakash Pushp

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

Magnetic tunnel junctions (MTJs), that consist of two ferromagnetic electrodes separated by an insulating barrier layer, have non-trivial fundamental properties associated with spin-dependent tunneling. Especially interesting are fully…

Materials Science · Physics 2024-09-12 Kartik Samanta , Evgeny Y. Tsymbal

In the past few years the phenomenon of spin dependent tunneling (SDT) in magnetic tunnel junctions (MTJs) has aroused enormous interest and has developed into a vigorous field of research. The large tunneling magnetoresistance (TMR)…

We investigated the spin-dependent transport properties of Fe/MgAl2O4/Fe(001) magnetic tunneling junctions (MTJs) on the basis of first-principles calculations of the electronic structures and the ballistic conductance. The calculated…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Yoshio Miura , Shingo Muramoto , Kazutaka Abe , Masafumi Shirai

Magnetic multilayer devices that exploit magnetoresistance are the backbone of magnetic sensing and data storage technologies. Here we report novel multiple-spin-filter magnetic tunnel junctions (sf-MTJs) based on van der Waals (vdW)…

Ferroelectric tunnel junctions (FTJs) harness the unique combination of ferroelectricity and quantum tunneling, and thus herald new opportunities in next-generation nonvolatile memory technologies. Recent advancements in the fabrication of…

Mesoscale and Nanoscale Physics · Physics 2024-11-25 King-Fa Luo , Zhijun Ma , Daniel Sando , Qi Zhang , Nagarajan Valanoor

CMOS-compatible HfO2-based ferroelectric tunnel junction (FTJ) has attracted significant attention as a promising candidate for in-memory computing (IMC) due to its extremely low power consumption. However, conventional FTJs face inherent…

Mesoscale and Nanoscale Physics · Physics 2026-01-06 Shi-Xi Kong , Tuo-Hung Hou

The field of 2D magnetic materials has paved the way for the development of spintronics and nanodevices with new functionalities. Utilizing antiferromagnetic materials, in addition to layered van der Waals (vdW) ferromagnetic materials, has…

Materials Science · Physics 2023-10-05 Lishu Zhang , Hui Li , Yanyan Jiang , Zishen Wang , Tao Li , Sumit Ghosh

Presently a lot of efforts are devoted to the investigation of new two-dimensional magnetic materials, which are considered as promising for the realization of the future electronics and spintronics devices. However, the utilization of…

Materials Science · Physics 2022-05-02 Yichen Jin , Mouhui Yan , Yuriy Dedkov , Elena Voloshina

Altermagnets demonstrate significant potential in spintronics due to their unique non-relativistic spin-splitting properties, yet altermagnetic devices still face challenges in efficiently switching logic states. Here, we report…

Materials Science · Physics 2026-02-17 Yunfei Gao , Aolin Li , Zesen Fu , Bei Zhang , Haiming Duan , Fangping Ouyang

Ferroelectric tunnel junctions (FTJs) leverage polarization-dependent tunneling through ultrathin barriers to enable two-terminal, non-volatile memory and logic. Although conceptually appealing, the practical implementation of conventional…

We investigate the spin-dependent transport of GaMnAs-based magnetic tunnel junctions (MTJs) containing a paramagnetic AlMnAs barrier with various thicknesses. The barrier height of AlMnAs with respect to the Fermi level of GaMnAs is…

Materials Science · Physics 2015-05-14 Shinobu Ohya , Iriya Muneta , Pham Nam Hai , Masaaki Tanaka

Ferromagnets with high spin polarization are known to be valuable for spintronics--a research field that exploits the spin degree of freedom in information technologies. Recently, antiferromagnets have emerged as promising alternative…

Materials Science · Physics 2024-12-02 Gautam Gurung , Mohamed Elekhtiar , Qing-Qing Luo Ding-Fu Shao , Evgeny Y. Tsymbal

Ferroelectric tunnel junctions (FTJs) have attracted increasing research interest as a promising candidate for non-volatile memories. Recently, significant enhancements of tunneling electroresistance (TER) have been realized through…

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

All-oxide magnetic tunnel junctions (MTJs) incorporating functional materials as insulating barriers have the potential of becoming the founding technology for novel multi-functional devices. We investigate, by first-principles density…

Materials Science · Physics 2015-05-20 Nuala M. Caffrey , Thomas Archer , Ivan Rungger , Stefano Sanvito