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Among the many remarkable properties of diamond, the ability to superconduct when heavily doped with boron has attracted much interest in the carbon community. When considering the nanocrystalline boron doped system, the reduced…

Superconductivity · Physics 2020-10-28 Somnath Bhattacharyya , Davie Mtsuko , Christopher Allen , Christopher Coleman

We report spin-dependent electron density of states (DOS) studies of ultra-thin superconducting Al and Be films in high parallel magnetic fields. Superconductor-insulator-superconductor (SIS) tunneling spectra are presented in which both…

Superconductivity · Physics 2009-11-10 P. W. Adams

We report spin polarized density functional calculations of ferromagnetic properties of a series of ZnO clusters and solid containing one or two substitutional carbon impurities. We analyze the eigen value spectra, spin densities and…

Materials Science · Physics 2016-09-28 B. J. Nagare , Sajeev Chacko , D. G. Kanhere

(Al,Cr)2O3 coatings with Al/(Al+Cr) = 0.5 or Al = 70 at.%, doped with 0, 5 or 10 at.% Si, were deposited on hard metal and Si(100) substrates to elucidate the influence of Si on the resulting coatings. The chemical analysis of the coatings…

A mean-field treatment is presented of a square lattice two-orbital-model for ${\rm BiS_2}$ taking into account intra- and inter-orbital superconductivity. A rich phase diagram involving both types of superconductivity is presented as a…

Superconductivity · Physics 2017-06-28 M. A. Griffith , T. O. Puel , M. A. Continentino , G. B. Martins

Sr$_2$IrO$_4$ is an extensively studied spin-orbit coupling induced insulator with antiferromagnetic ground state. The delicate balance between competing energy scales plays crucial role for its low temperature phase, and the route of…

Strongly Correlated Electrons · Physics 2017-10-31 Imtiaz Noor Bhatti , R. S. Dhaka , A. K. Pramanik

Magnetic impurities provide a route toward increasing functionality in electronic materials, often enabling new device concepts and architectures. In the case of topological semimetals, dilute magnetic doping presents a particularly…

Despite the potential advantages of information storage in antiferromagnetically coupled materials, it remains unclear whether one can control the magnetic moment orientation efficiently because of the cancelled magnetic moment. Here, we…

Materials Science · Physics 2016-10-31 Joseph Finley , Luqiao Liu

A comparative study of the effect of Fe and Ni doping on the bismuth based perovskite La0.6Bi0.4MnO3.1, a projected spintronics magnetic semiconductor has been carried out. The doped systems show an expressive change in magnetic ordering…

Materials Science · Physics 2015-05-27 Asish K. Kundu , Md. Motin Seikh , Akhilesh Srivastava , S. Mahajan , R. Chatterjee , V. Pralong , B. Raveau

Evanescent and tightly confined propagating waves exhibit a remarkable transverse spin density since the longitudinal component of the electric field is not negligible. In this work, we obtain via numerical simulations the electric field…

Optics · Physics 2016-05-20 Alba Espinosa-Soria , Alejandro Martinez

Spin orbit coupling provides a mechanism to lock the momentum of electron to its spin degree, recent years was revealed to be essential in arousing many novel physical behaviors. SrIrO3 is a typical metallic member of the strong spin orbit…

Materials Science · Physics 2018-08-10 Lunyong Zhang , Bin Pang , Y. B. Chen , Yanfeng Chen

In this letter, we show efficient electrical spin injection into a SiGe based \textit{p-i-n} light emitting diode from the remanent state of a perpendicularly magnetized ferromagnetic contact. Electron spin injection is carried out through…

Materials Science · Physics 2009-11-13 L. Grenet , M. Jamet , P. Noé , V. Calvo , J. -M. Hartmann , L. E. Nistor , B. Rodmacq , S. Auffret , P. Warin , Y. Samson

Interaction-induced magnetism at the ends of carbon nanotubes is studied theoretically, with a special focus on magnetic anisotropies. Spin-orbit coupling, generally weak in ordinary graphene, is strongly enhanced in nanotubes. In…

Mesoscale and Nanoscale Physics · Physics 2012-03-26 Manuel J. Schmidt

Spin-orbit (SO) coupling -- the interaction between a quantum particle's spin and its momentum -- is ubiquitous in nature, from atoms to solids. In condensed matter systems, SO coupling is crucial for the spin-Hall effect and topological…

Quantum Gases · Physics 2015-03-19 Y. -J. Lin , K. Jiménez-García , I. B. Spielman

Graphene and transition metal dichalcogenide flat-band systems show similar phase diagrams, replete with magnetic and superconducting phases. An abiding question has been whether magnetic ordering competes with superconductivity or…

Spins in the `semiconductor vacuum' of silicon-28 ($^{28}$Si) are suitable qubit candidates due to their long coherence times. An isotopically purified substrate of $^{28}$Si is required to limit the decoherence pathway caused by magnetic…

Chiral magnetic textures, such as skyrmions, are of great interest to the condensed matter community due to their novel transport properties. The stabilization of topologically non-trivial magnetic phases, like the skyrmion lattice in MnSi,…

Strongly Correlated Electrons · Physics 2026-04-27 I. N. Khoroshiy , A. Podlesnyak , D. Menzel , M. C. Rahn , D. S. Inosov , A. S. Sukhanov , S. E. Nikitin

We investigate the spin pumping efficiency in YIG/YIG/W$_{90}$Ti$_{10}$ bilayers by measuring the thickness dependence of both the YIG and WTi layers using broadband ferromagnetic resonance (FMR) spectroscopy. The deposition of a 5-nm WTi…

Materials Science · Physics 2025-07-10 Marielle Hachem , Zeinab Harajli , Samih Isber , Mohammad Haidar

In weakly spin-orbit coupled materials, the spin-selective nature of recombination can give rise to large magnetic-field effects, for example on electro-luminescence from molecular semiconductors. While silicon has weak spin-orbit coupling,…

Mesoscale and Nanoscale Physics · Physics 2018-02-21 F. Chiodi , S. L. Bayliss , L. Barast , D. Débarre , H. Bouchiat , R. H. Friend , A. D. Chepelianskii

Proximity effect in a mechanically exfoliated Bi1.95Sb0.05Se3 topological insulator (TI) single crystal partially covered with disordered superconducting (SC) Mo thin film is reported. Magnetotransport measurement was performed…

Materials Science · Physics 2016-06-22 E. P. Amaladass , Shilpam Sharma , T. R. Devidas , Awadhesh Mani