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The magnetotransport of two dimensional holes in a GaAs/AlGaAs heterostructure is studied experimentally and theoretically. Spin-orbit splitting of the heavy hole band is manifested at high carrier densities in two Shubnikov-de Haas…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Yuval Yaish , Oleg Prus , Evgeny Buchstab , Gidi Ben Yoseph , Uri Sivan , Iddo Ussishkin , Ady Stern

Controlling electronic transport through a single-molecule junction is crucial for molecular electronics or spintronics. In magnetic molecular devices, the spin degree-of-freedom can be used to this end since the magnetic properties of the…

Atomically thin semiconducting MoS2 is of great interest for high-performance flexible electronic and optoelectronic devices. Initial measurements using back-gated field-effect transistor (FET) structures on SiO2 yielded mobility of 1-50…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Michael S. Fuhrer , James Hone

We study transport phenomena through a ballistic ferromagnet-superconductor-ferromagnet (F/S/F) junction, comparing the case in which the ferromagnetic order in the two F layers is of the standard Stoner type with the case where it is…

Superconductivity · Physics 2022-06-08 Paola Gentile , Marilena Catapano , Nicola De Vivo , Mario Cuoco , Alfonso Romano , Canio Noce

Here, we report spin-selective transport and exceptionally large positive junction magnetoresistance (JMR) in sputter-deposited Mn$_2$CoAl/native-SiO$_2$/p-Si heterostructures. Highly ordered inverse-Heusler Mn$_2$CoAl thin films with…

Mesoscale and Nanoscale Physics · Physics 2026-02-18 Nilay Maji , Subham Mohanty , Pujarani Dehuri

The magnetic tunnel junctions (MTJ) based on van der Waals (vdW) materials possess atomically smooth interfaces with minimal element intermixing. This characteristic ensures that spin polarization is well maintained during transport,…

Applied Physics · Physics 2024-02-23 Shouguo Zhu , Hailong Lin , Wenkai Zhu , Weihao Li , Jing Zhang , Kaiyou Wang

We report transport studies of hybrid Josephson junctions based on semiconducting InAs nanowires with fully overlapping epitaxial ferromagnetic insulator EuS and superconducting Al partial shells. Current-biased measurements reveal a…

Mesoscale and Nanoscale Physics · Physics 2026-03-05 J. Zhao , A. Mazanik , D. Razmadze , Y. Liu , P. Krogstrup , F. S. Bergeret , S. Vaitiekėnas

Using first-principles quantum-transport calculations, we investigate spin-dependent electronic and transport properties of antiferromagnetic tunnel junctions (AFMTJs) that consist of (110)-oriented antiferromagnetic (AFM) metal RuO$_{2}$…

Transition metal oxides (TMOs) exhibit many emergent phenomena ranging from high-temperature superconductivity and giant magnetoresistance to magnetism and ferroelectricity. In addition, when TMOs are interfaced with each other, new…

Strongly Correlated Electrons · Physics 2014-07-04 Jian-Xin Zhu , Xiao-Dong Wen , J. T. Haraldsen , Mi He , C. Panagopoulos , Elbert E. M. Chia

The structures of the superconducting spin valve (SSV) Fe/Si$_3$N$_4$/Pb/Si$_3$N$_4$/Fe (where Si$_3$N$_4$ is a dielectric insulating layer of controlled thickness) were investigated. The dependence of the magnitude of the SSV effect on the…

Superconductivity · Physics 2025-10-22 A. A. Kamashev , N. N. Garif'yanov , A. A. Validov , A. S. Osin , Ya. V. Fominov , I. A. Garifullin

Antiferromagnetic (AF) spintronics is merit on ultra-high operator speed and stability in the presence of magnetic field. To fully use the merit, the device should be pure rather than hybrid with ferromagnet or ferrimagnet. For the…

Applied Physics · Physics 2023-03-27 Xingtao Jia , Hui-Min Tang , Shi-Zhuo Wan

Magnetoelectric coupling has been a trending research topic in both organic and inorganic materials and hybrids. The concept of controlling magnetism using an electric field is particularly appealing in energy efficient applications. In…

Materials Science · Physics 2019-11-26 Xiaoshan Xu

Two-dimensional (2D) magnetic materials are of current great interest for their promising applications in spintronics. Strong magnetic coupling and anisotropy are both highly desirable for the achievement of a high temperature magnetic…

Materials Science · Physics 2024-01-30 Ke Yang , Yaozhenghang Ma , Lu Liu , Yueyue Ning , Di Lu , Yuxuan Zhou , Zhongyao Li , Hua Wu

We investigate bias voltage effects on the spin-dependent transport properties of Fe/MgAl${}_2$O${}_4$/Fe(001) magnetic tunneling junctions (MTJs) by comparing them with those of Fe/MgO/Fe(001) MTJs. By means of the nonequilibrium Green's…

Materials Science · Physics 2017-08-23 Keisuke Masuda , Yoshio Miura

Magnetism in doped transition metal dichalcogenide monolayers and van der Waals interfaced materials have motivated the search for sustainable magnetic states at the nanoscale with the prospect of building devices for spintronics…

Materials Science · Physics 2025-08-05 Rohin Sharma , Diem Thi-Xuan Dang , Lilia M. Woods

We theoretically investigate the unusual features of the magnetotransport in a monolayer phosphorene ferromagnetic/normal/ferromagnetic (F/N/F) hybrid structure. We find that the charge conductance can feature a minimum at parallel (P)…

Mesoscale and Nanoscale Physics · Physics 2017-03-28 Moslem Zare , Leyla Majidi , Reza Asgari

We studied metastable $\alpha$-FeGe$_2$, a novel layered tetragonal material, embedded as a spacer layer in spin valve structures with ferromagnetic Fe$_3$Si and Co$_2$FeSi electrodes. For both types of electrodes, spin valve operation is…

New mechanism of magnetoresistance, based on tunneling-emission of spin polarized electrons from ferromagnets (FM) into semiconductors (S) and precession of electron spin in the semiconductor layer under external magnetic field, is…

Materials Science · Physics 2009-11-10 A. M. Bratkovsky , V. V. Osipov

Magnetic tunnel junctions with perpendicular anisotropy form the basis of the spin-transfer torque magnetic random-access memory (STT-MRAM), which is non-volatile, fast, dense, and has quasi-infinite write endurance and low power…

Materials Science · Physics 2021-02-17 Libor Vojáček , Fatima Ibrahim , Ali Hallal , Bernard Dieny , Mairbek Chshiev

DC current induced magnetization reversal and magnetization oscillation was observed in 500 nm large size Co90Fe10/Cu/Ni80Fe20 pillars. A perpendicular external field enhanced the coercive field separation between the reference layer…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 Linqiang Luo , Mehdi Kabir , Nam Dao , Salinporn Kittiwatanakul , Michael Cyberey , Stuart A. Wolf , Mircea Stan , Jiwei Lu
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