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The mechanism used by migratory birds to orientate themselves using the geomagnetic field is still a mystery in many species. The radical pair mechanism, in which very weak magnetic fields can influence certain types of spin-dependent…

Biological Physics · Physics 2013-09-24 Neill Lambert , Simone De Liberato , Clive Emary , Franco Nori

The inelastic portion of the tunnel current through an individual magnetic atom grants unique access to read out and change the atom's spin state, but it also provides a path for spontaneous relaxation and decoherence. Controlled closure of…

Mesoscale and Nanoscale Physics · Physics 2016-01-05 B. Bryant , R. Toskovic , A. Ferrón , J. L. Lado , A. Spinelli , J. Fernández-Rossier , A. F. Otte

We use density functional theory to explore the possibility of making the semiconducting transition-metal dichalcogenide MoS$_2$ ferromagnetic by introducing holes into the narrow Mo $d$ band that forms the top of the valence band. In the…

Materials Science · Physics 2019-12-25 Yuqiang Gao , Nirmal Ganguli , Paul J. Kelly

Using first-principles electronic structure calculations, we have extensively studied the electronic and magnetic properties of alkali sodium superoxide (NaO2) in comparison with that of potassium superoxide (KO2) both at high and low…

Materials Science · Physics 2024-02-19 Sarajit Biswas , Pratim Banerjee , Molly De Raychaudhury

We examine the two-dimensional spin-orbit-coupled bosons in the presence of an anisotropic dipolar interaction in square lattices. The spin-orbit coupling leads to finite-momentum superfluid and supersolid states, while the…

Quantum Gases · Physics 2026-04-29 Nitin Kaloya , Kuldeep Suthar

We present a theoretical study of spin-dependent transport through molecular wires bridging ferromagnetic metal nanocontacts. We extend to magnetic systems a recently proposed model that provides a em quantitative explanation of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Eldon Emberly , George Kirczenow

First-principles calculations are used to gauge different levels of approximation to calculate the magnetocrystalline anisotropy energies (MAE) of five $L1_0$ FeMe alloys (Me=Co, Cu, Pd, Pt, Au). We find that a second-order perturbation…

Materials Science · Physics 2020-12-14 M. Blanco-Rey , J. I. Cerda , A. Arnau

Magnetic moments intercalated into layered transition metal dichalcogenides are an excellent system for investigating the rich physics associated with magnetic ordering in a strongly anisotropic, strong spin-orbit coupling environment. We…

Strongly Correlated Electrons · Physics 2015-04-08 Will J. Hardy , Chih-Wei Chen , A. Marcinkova , Heng Ji , Jairo Sinova , D. Natelson , E. Morosan

Evidence for multiple magnetic transitions and unconventional spin exchange interactions in the ilmenite insulator MnTiO3 is provided via neutron scattering. On cooling, while G-type antiferromagnetic (AFM) order sets in first at 63 K with…

Strongly Correlated Electrons · Physics 2026-03-09 Srimal Rathnayaka , Luke Daemen , Despina Louca

Antiferromagnetic hexagonal MnTe is a promising material for spintronic devices relying on the control of antiferromagnetic domain orientations. Here we report on neutron diffraction, magnetotransport, and magnetometry experiments on…

Organic spintronics has drawn the interest of the science community due to various applications in spin-valve devices. But to date, an efficient room-temperature Organic Spin Valve device has not been experimentally realized due to the…

Materials Science · Physics 2025-03-07 Sonia Kaushik , Manisha Priyadarsini , Avinash G. Khanderao , Dileep Kumar

The independent predictions of edge ferromagnetism and the Quantum Spin Hall phase in graphene have inspired the quest of other two dimensional honeycomb systems, such as silicene, germanene, stanene, iridiates, and organometallic lattices,…

Mesoscale and Nanoscale Physics · Physics 2014-07-28 J. L. Lado , J. Fernández-Rossier

Manipulating spin polarization of electrons in nonmagnetic semiconductors by means of electric fields or optical fields is an essential theme of the conceptual nonmagnetic semiconductor-based spintronics. Here we experimentally demonstrate…

Mesoscale and Nanoscale Physics · Physics 2016-03-31 Xie Lu , Xiaodong Cui

A tendency to form benzene-like molecular orbitals has been recently shown to be a common feature of the $4d$ and $5d$ transition metal oxides with a honeycomb lattice. This tendency competes with other interactions such as the spin-orbit…

Strongly Correlated Electrons · Physics 2016-12-07 Z. V. Pchelkina , S. V. Streltsov , I. I. Mazin

The 5$d$ transition metal oxides, in particular iridates, host novel electronic and magnetic phases due to the interplay between onsite Coulomb repulsion ($U$) and spin-orbit coupling (SOC). The reduced dimensionality brings another degree…

Strongly Correlated Electrons · Physics 2022-02-08 Amit Chauhan , B. R. K. Nanda

Organic charge transfer salts based on the molecule Pd(dmit)2 display strong electronic correlations and geometrical frustration, leading to spin liquid, valence bond solid, and superconducting states, amongst other interesting phases. The…

Strongly Correlated Electrons · Physics 2013-11-15 A. C. Jacko , Luca F. Tocchio , Harald O. Jeschke , Roser Valenti

Antiferromagnetic spintronics actively introduces new principles of magnetic memory, in which the most fundamental spin-dependent phenomena, i.e. anisotropic magnetoresistance effects, are governed by an antiferromagnet instead of a…

Materials Science · Physics 2018-05-08 Chengliang Lu , Bin Gao , Haowen Wang , Wei Wang , Songliu Yuan , Shuai Dong , Jun-Ming Liu

Resistivity measurements are widely exploited to uncover electronic excitations and phase transitions in metallic solids. While single crystals are preferably studied to explore crystalline anisotropies, these usually cancel out in…

The recent experimental discovery of three-dimensional (3D) materials hosting a strong Rashba spin-orbit coupling calls for the theoretical investigation of their transport properties. Here we study the zero temperature dc conductivity of a…

Strongly Correlated Electrons · Physics 2017-06-01 Valentina Brosco , Claudio Grimaldi

Magnetic control of correlated spin systems is central to the development of next-generation spin-based technologies. Rare-earth orthoferrites provide an interesting platform in which exchange coupling between rare-earth 4f and…