Showing 2017 · cond-mat.mes-hallShow all

16 papers · 2 filters

cond-mat.mes-hall2017★ 66 cited

Andreev spectrum and supercurrents in nanowire-based SNS junctions containing Majorana bound states

Jorge Cayao, Annica M. Black-Schaffer, Elsa Prada +1

Hybrid superconductor-semiconductor nanowires with Rashba spin-orbit coupling are arguably becoming the leading platform for the search of Majorana bound states (MBSs) in engineere…

cond-mat.mes-hall2017★ 44 cited

Observation of Gapless Dirac Surface States in ZrGeTe

M. Mofazzel Hosen, Klauss Dimitri, Alex Aperis +10

The experimental discovery of the topological Dirac semimetal establishes a platform to search for various exotic quantum phases in real materials. ZrSiS-type materials have recent…

cond-mat.mes-hall2017★ 39 cited

Spin Pumping in Ion-beam Sputtered Co_{2}FeAl/Mo Bilayers:Interfacial Gilbert Damping

Sajid Husain, Ankit Kumar, Vineet Barwal +4

The spin pumping mechanism and associated interfacial Gilbert damping are demonstrated in ion-beam sputtered Co2FeAl (CFA) /Mo bilayer thin films employing ferromagnetic resonance…

cond-mat.mes-hall2017★ 19 cited

Distinct multiple fermionic states in a single topological metal

M. Mofazzel Hosen, Klauss Dimitri, Ashis K. Nandy +11

Among the quantum materials that gained interest recently are the topological Dirac/Weyl semimetals, where conduction and valence bands touch at points in reciprocal (k)-space, and…

cond-mat.mes-hall2017★ 97 cited

Determination of spin Hall effect and spin diffusion length of Pt from self-consistent fitting of damping enhancement and inverse spin-orbit torque measurements

Andrew J. Berger, Eric R. J. Edwards, Hans T. Nembach +3

Understanding the evolution of spin-orbit torque (SOT) with increasing heavy-metal thickness in ferromagnet/normal metal (FM/NM) bilayers is critical for the development of magneti…

cond-mat.mes-hall2017★ 20 cited

Transport theory for femtosecond laser-induced spin-transfer torques

Pavel Baláž, Martin Žonda, Karel Carva +2

Ultrafast demagnetization of magnetic layers pumped by a femtosecond laser pulse is accompanied by a nonthermal spin-polarized current of hot electrons. These spin currents are stu…

cond-mat.mes-hall2017★ 98 cited

Observation of topological nodal-line fermionic phase in GdSbTe

M. Mofazzel Hosen, Gyanendra Dhakal, Klauss Dimitri +7

Topological Dirac semimetals with accidental band touching between conduction and valence bands protected by time reversal and inversion symmetry are at the frontier of modern cond…

cond-mat.mes-hall2017★ 81 cited

Odd-frequency superconducting pairing and subgap density of states at the edge of a two-dimensional topological insulator without magnetism

Jorge Cayao, Annica M. Black-Schaffer

We investigate the emergence and consequences of odd-frequency spin-triplet s-wave pairing in superconducting hybrid junctions at the edge of a two-dimensional topological insulato…

cond-mat.mes-hall2017★ 118 cited

Majorana splitting from critical currents in Josephson junctions

Jorge Cayao, Pablo San-Jose, Annica Black-Schaffer +2

A semiconducting nanowire with strong Rashba spin-orbit coupling and coupled to a superconductor can be tuned by an external Zeeman field into a topological phase with Majorana zer…

cond-mat.mes-hall2017★ 97 cited

The importance of the weak: Interaction modifiers in artificial spin ices

Erik Östman, Henry Stopfel, Ioan-Augustin Chioar +4

The modification of geometry and interactions in two-dimensional magnetic nanosystems has enabled a range of studies addressing the magnetic order, collective low-energy dynamics,…

cond-mat.mes-hall2017★ 3 cited

Micromagnetic simulations of spin-torque driven magnetisation dynamics with spatially resolved spin transport and magnetisation texture

Simone Borlenghi, M. R. Mahani, Hans Fangohr +3

We present a simple and fast method to simulate spin-torque driven magnetisation dynamics in nano-pillar spin-valve structures. The approach is based on the coupling between a spin…

cond-mat.mes-hall2017★ 25 cited

Impurity scattering on the surface of topological insulator thin films

Mahroo Shiranzaei, Fariborz Parhizgar, Jonas Fransson +1

We address the electronic structure of the surface states of topological insulator thin films with embedded local non-magnetic and magnetic impurities. Using the -matrix expansi…

cond-mat.mes-hall2017★ 16 cited

A majority gate with chiral magnetic solitons

Konstantinos Koumpouras, Dmitry Yudin, Christoph Adelmann +3

In magnetic materials nontrivial spin textures may emerge owing to the competition among different types of magnetic interactions. Among such spin textures, chiral magnetic soliton…

cond-mat.mes-hall2017★ 13 cited

Charge Transport and Entropy Production Rate in Magnetically Active Molecular Dimer

J. D. Vasquez Jaramillo, J. Fransson

We consider charge and thermal transport properties of magnetically active paramagnetic molecular dimer. Generic properties for both transport quantities are reduced currents in th…

cond-mat.mes-hall2017★ 19 cited

Transient spin dynamics in a single-molecule magnet

Henning Hammar, Jonas Fransson

We explore the limitations and validity of semi-classically formulated spin equations of motion. Using a single-molecule magnet as a test model, we employ three qualitatively diffe…

cond-mat.mes-hall2017★ 15 cited

Topological edge state engineering with high-frequency electromagnetic radiation

Mehedi Hasan, Dmitry Yudin, Ivan Iorsh +2

We outline here how strong light-matter interaction can be used to induce quantum phase transition between normal and topological phases in two-dimensional topological insulators.…