English
Related papers

Related papers: Spin-dependent Tunneling Barriers in CoPc/VSe2 fro…

200 papers

The electronic structure and spin-dependent tunneling in epitaxial Fe/MgO/Fe(001) tunnel junctions are studied using first-principles calculations. For small MgO barrier thickness the minority-spin resonant bands at the two interfaces make…

Materials Science · Physics 2007-08-16 K. D. Belashchenko , J. Velev , E. Y. Tsymbal

Using Density functional theory and non-equilibrium Green's function formalism, spin dependent electron transport in Fe/Mo$_x$Cr$_{1-x}$S$_2$/Fe magnetic tunnel junction is studied. Spin transport for different thicknesses (1, 3, 5, and 7…

Materials Science · Physics 2026-01-06 Aloka Ranjan Sahoo , Sharat Chandra

In this paper, we examine the properties of spin-polarized interfaces consisting of single-molecule magnet bis(cyclopentadienyl)cobalt(II) (cobaltocene) and two-dimensional magnetic materials, semiconducting CrI$_3$ and metallic…

Materials Science · Physics 2026-03-23 Nikola Machacova , Biplab Sanyal

In this work, we study the cobalt radical interface obtained by depositing a monolayer of a derivative of the Blatter radical on polycrystalline cobalt. By examining the occupied and unoccupied states at the interface, using soft X-ray…

In GO/MoSe2 semiconductor heterostructure, we have demonstrated a subtle control on the doping dynamics by modulating interlayer coupling through the combination of strain-reducing relative rotation of the constituting layers and variation…

We theoretically consider temperature and density-dependent electron-phonon interaction induced many-body effects in the two-dimensional (2D) metallic carriers confined on the surface of the 3D topological insulator (e.g. Bi$_2$Se$_3$). We…

Mesoscale and Nanoscale Physics · Physics 2013-08-21 S. Das Sarma , Qiuzi Li

Quantum spin models find applications in many different areas, such as spintronics, high-Tc superconductivity, and even complex optimization problems. However, studying their many-body behaviour, especially in the presence of frustration,…

Quantum Physics · Physics 2022-03-23 Miguel Bello , Gloria Platero , Alejandro González-Tudela

Theoretical research on electronic properties in mesoscopic condensed matter systems has focused primarily on the electron charge freedom degrees, while its corresponding spin freedom degrees have not yet received the same attention.…

Mesoscale and Nanoscale Physics · Physics 2016-08-14 H. Paredes Gutíerrez , S. T. Pérez-Merchancano , G. E. Marques

The electronic transport and spincaloric properties of epitaxial magnetic tunnel junctions with half-metallic Co$_2$MnSi Heusler electrodes, MgO tunneling barriers, and different interface terminations are investigated by using…

Materials Science · Physics 2018-05-16 Benjamin Geisler , Peter Kratzer

A theory of resonant spin-dependent tunneling has been developed for symmetrical double-barrier structures grown of non-centrosymmetrical semiconductors. The dependence of the tunneling transparency on the spin orientation and the wave…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. M. Glazov , P. S. Alekseev , M. A. Odnoblyudov , V. M. Chistyakov , S. A. Tarasenko , I. N. Yassievich

In recent years inelastic spin-flip spectroscopy using a lowtemperature scanning tunneling microscope has been a very successful tool for studying not only individual spins but also complex coupled systems. When these systems interact with…

Mesoscale and Nanoscale Physics · Physics 2015-10-21 Markus Ternes

Many Heusler compounds are predicted to be ferromagnetic half metals in the bulk, which makes them promising compounds for spintronics. However, for devices the transport spin polarization at specific interfaces requires optimization. We…

Mesoscale and Nanoscale Physics · Physics 2019-04-18 C. Lidig , J. Cramer , L. Weißhoff , T. R. Thomas , T. Kessler , M. Kläui , M. Jourdan

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)…

Van der Waals heterostructures of two-dimensional transition metal dichalcogenides provide a unique platform to engineer optoelectronic devices tuning their optical properties via stacking, twisting, or straining. Using ab initio Many-Body…

Mesoscale and Nanoscale Physics · Physics 2025-03-21 R. Reho , A. R. Botello-Méndez , D. Sangalli , M. J. Verstraete , Zeila Zanolli

Spintronic devices are based on heterojunctions of two materials with different magnetic and electronic properties. Although an energy barrier is naturally formed even at the interface of metallic heterojunctions, its impact on spin…

We study the physical properties of a ballistic heterostructure made of a ferromagnet (FM) and a spin-triplet superconductor (TSC) with a layered structure stacking along the direction perpendicular to the planes where a chiral px+ipy…

Superconductivity · Physics 2013-10-25 Damien Terrade , Paola Gentile , Mario Cuoco , Dirk Manske

The surface of topological insulators is proposed as a promising platform for spintronics and quantum information applications. In particular, when time- reversal symmetry is broken, topological surface states are expected to exhibit a wide…

Low energy heavy-ion fusion reactions are governed by quantum tunneling through the Coulomb barrier formed by a strong cancellation of the repulsive Coulomb force with the attractive nuclear interaction between the colliding nuclei.…

Nuclear Theory · Physics 2013-01-03 K. Hagino , N. Takigawa

Hybrid superconductor-semiconductor heterostructures are promising platforms for realizing topological superconductors and exploring Majorana bound states physics. Motivated by recent experimental progress, we theoretically study how…

Mesoscale and Nanoscale Physics · Physics 2021-03-15 A. Maiani , R. Seoane Souto , M. Leijnse , K. Flensberg

The physics of phase transitions in low-dimensional systems has long been a subject of significant research interest. Long-range magnetic order in the strict two-dimensional limit, whose discovery circumvented the Mermin-Wagner theorem, has…