English
Related papers

Related papers: Angular magnetoresistance oscillations in bilayers…

200 papers

Different types of angular magnetoresistance oscillations in quasi-one-dimensional layered materials, such as organic conductors (TMTSF)2X, are explained in terms of Aharonov-Bohm interference in interlayer electron tunneling. A…

Other Condensed Matter · Physics 2007-05-23 Benjamin K. Cooper , Victor M. Yakovenko

Many of the most interesting and technologically important electronic materials discovered in the past two decades have two common features: a layered crystal structure and strong interactions between electrons. Two of the most fundamental…

Strongly Correlated Electrons · Physics 2009-11-11 Malcolm P. Kennett , Ross H. McKenzie

We have developed an analytical model of angle-dependent magnetoresistance oscillations (AMROs) in a quasi-two-dimensional metal in which magnetic breakdown occurs. The model takes account of all the contributions from quasiparticles…

Strongly Correlated Electrons · Physics 2008-01-09 Andrzej Nowojewski , Paul A. Goddard , Stephen J. Blundell

We calculate angle-dependent magnetoresistance oscillations (AMRO) for interlayer transport of cuprate superconductors in the presence of ($\pi,\pi$) order. The order reconstructs the Fermi surface, creating magnetic breakdown junctions; we…

Superconductivity · Physics 2016-02-19 Sylvia K. Lewin , James G. Analytis

In a bilayer consisting of an insulator (I) and a ferromagnetic metal (FM), interfacial spin orbit scattering leads to spin mixing of the two conducting channels of the FM, which results in an unconventional anisotropic magnetoresistance…

Mesoscale and Nanoscale Physics · Physics 2015-12-15 Steven S. -L. Zhang , Giovanni Vignale , Shufeng Zhang

It is shown that interference effects between velocity and density of states, which occur as electrons move along open orbits in the extended Brillouin zone, result in a change of wave functions dimensionality at Magic Angle (MA) directions…

Superconductivity · Physics 2007-05-23 A. G. Lebed , N. N. Bagmet , M. J. Naughton

We report a study of the Aharonov-Bohm effect, the oscillations of the resistance of a mesoscopic ring as a function of a perpendicular magnetic field, in a GaAs two-dimensional hole system with a strong spin-orbit interaction. The Fourier…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Jeng-Bang Yau , E. P. De Poortere , M. Shayegan

An experiment that shows the modulation of the Aharonov-Bohm oscillations of magneto-resistance in a mesoscopic ring is described. Possible theoretical explanations of this modulation due to the interaction of the electron spin with the…

Quantum Physics · Physics 2007-05-23 Jeeva Anandan

Studies of angle-dependent magnetoresistance oscillations (AMRO) in the interlayer conductivity of layered metals have generally considered semi-classical electron transport. We consider a quantum correction to the semi-classical…

Mesoscale and Nanoscale Physics · Physics 2018-09-21 Malcolm P. Kennett , Ross. H. McKenzie

Measurements and calculations of magnetotransport in the molecular organic conductor (DMET)2I3 detect and simulate all known angular magnetoresistance oscillation (AMRO) phenomena for quasi-one dimensional (Q1D) systems. Employing the true…

Strongly Correlated Electrons · Physics 2015-05-19 Pashupati Dhakal , Harukazu Yoshino , Jeong Il Oh , Koichi Kikuchi , Michael J. Naughton

Using density functional theory calculations, we demonstrate that the effect of anisotropic magnetoresistance (AMR) can be enhanced by orders of magnitude with respect to conventional bulk ferromagnets in junctions containing molecules…

Mesoscale and Nanoscale Physics · Physics 2015-12-23 Fabian Otte , Stefan Heinze , Yuriy Mokrousov

Anisotropic magnetoresistance (AMR), originating from spin-orbit coupling (SOC), is the sensitivity of the electrical resistance in magnetic systems to the direction of spin magnetization. Although this phenomenon has been experimentally…

Materials Science · Physics 2020-08-12 Dongzhe Li , Fabian Pauly , Alexander Smogunov

We predict a spin anomalous-Hall unidirectional magnetoresistance (AH-UMR) in conducting bilayers composed of a ferromagnetic layer and a nonmagnetic layer, which does $\textit{not}$ rely on the spin Hall effect in the normal metal…

Mesoscale and Nanoscale Physics · Physics 2022-05-30 M. Mehraeen , Steven S. -L. Zhang

We have investigated the Aharonov-Bohm effect in a one-dimensional GaAs/GaAlAs ring at low magnetic fields. The oscillatory magnetoconductance of these systems are for the first time systematically studied as a function of density. We…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 S. Pedersen , A. E. Hansen , A. Kristensen , C. B. Soerensen , P. E. Lindelof

Anisotropic magnetoresistance (AMR) is a relativistic magnetotransport phenomenon arising from combined effects of spin-orbit coupling and broken symmetry of a ferromagnetically ordered state of the system. In this work we focus on one…

We have investigated the Aharonov-Bohm effect in mesoscopic semiconductor GaAs/GaAlAs rings in low magnetic fields. The oscillatory magnetoconductance of these systems is systematically studied as a function of electron density. We observe…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. E. Hansen , S. Pedersen , A. Kristensen , C. B. Sorensen , P. E. Lindelof

The scattering of electrons with inhomogeneities produces modulations in the local density of states of a metal. We show that electron interference contributions to these modulations are affected by the magnetic field via the Aharonov-Bohm…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 A. Cano , I. Paul

We revisit the theory and experiment on spin Hall magnetoresistance (SMR) in bilayers consisting of a heavy metal (H) coupled to in-plane magnetized ferromagnetic metal (F), and determine contributions to the magnetoresistance due to SMR…

We theoretically investigate a new kind of nonlinear magnetoresistance on the surface of three-dimensional topological insulators (TIs). At variance with the unidirectional magnetoresistance (UMR) effect in magnetic bilayers, this nonlinear…

Materials Science · Physics 2020-08-13 Steven S. -L. Zhang , Giovanni Vignale

We predict unidirectional magnetoresistance effects arising in a bilayer composed of a nonmagnetic metal and a ferromagnetic insulator, whereby both longitudinal and transverse resistances vary when the direction of the applied electric…

Mesoscale and Nanoscale Physics · Physics 2025-03-10 M. Mehraeen , Pengtao Shen , Steven S. -L. Zhang
‹ Prev 1 2 3 10 Next ›