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相关论文: Longitudinal interlayer magnetoresistance in quasi…

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We present a self-consistent calculation of the interlayer asymmetry in bilayer graphene caused by an applied electric field in magnetic fields. We show how this asymmetry influences the Landau level spectrum in bilayer graphene and the…

介观与纳米尺度物理 · 物理学 2015-05-13 M. Mucha-Kruczynski , E. McCann , V. I. Fal'ko

The magnetic ground-state of copper metaborate is investigated by means of elastic neutron scattering.The magnetic structure of CuB2O4 is incommensurate with respect to the chemical lattice at T=1.8K and undergoes a continuous phase…

强关联电子 · 物理学 2009-01-23 B. Roessli , J. Schefer , G. Petrakovskii , B. Ouladdiaf , M. Boehm , U. Staub , A. Vorontinov , L. Bezmaternikh

In antiferromagnetically coupled multilayers with perpendicular anisotropy unusual multidomain textures can be stabilized due to a close competition between long-range demagnetization fields and short-range interlayer exchange coupling. In…

介观与纳米尺度物理 · 物理学 2011-09-30 N. S. Kiselev , U. K. Roessler , A. N. Bogdanov , O. Hellwig

Peaks in the magnetoresistivity of the layered superconductor $\kappa$-(BEDT-TTF)$_2$Cu(NCS)$_2$, measured in fields $\leq 45$ T applied within the layers, show that the Fermi surface is extended in the interlayer direction and enable the…

强关联电子 · 物理学 2009-11-07 John Singleton , P. A. Goddard , A. Ardavan , N. Harrison , S. J. Blundell , J. A. Schlueter , A. M. Kini

A very large negative magnetoresistance (LNMR) is observed in the insulating regime of the antiferromagnet BaMn$_2$Bi$_2$ when a magnetic field is applied perpendicular to the direction of the sublattice magnetization. High perpendicular…

Transport properties of the two-dimensional electron gas (2DEG) are considered in the presence of a perpendicular magnetic field $B$ and of a {\it weak} two-dimensional (2D) periodic potential modulation in the 2DEG plane. The symmetry of…

介观与纳米尺度物理 · 物理学 2009-11-10 X. F. Wang , P. Vasilopoulos , F. M. Peeters

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…

材料科学 · 物理学 2020-08-13 Steven S. -L. Zhang , Giovanni Vignale

Simultaneous control of magnetic anisotropy and magnetoresistance, especially with atomic scale precision, remains a pivotal challenge for realizing advanced spintronic functionalities. Here we demonstrate cooperative continuous control…

材料科学 · 物理学 2024-03-04 Sheng Li , Zengxing Lu , Bin Lao , Xuan Zheng , Guoxin Chen , Run-Wei Li , Zhiming Wang

The chalcogenide Bi$_2$Se$_3$ can attain the three dimensional (3D) Dirac semimetal state under the influence of strain and microstrain. Here we report the presnece of large linear magnetoresistance in such a Bi$_2$Se$_3$ crystal. The…

介观与纳米尺度物理 · 物理学 2016-06-30 Devendra Kumar , Archana Lakhani

Interlayer coupling can significantly influence the physical properties of layered transition metal compounds. The superconductivity in layered Mo$_2$C systems, belonging to the emergent family of MXene, has garnered considerable attention.…

超导电性 · 物理学 2024-02-22 Can Hong , Danhong Wu , Xi-Bo Li , Feipeng Zheng

The paper presents a new approach, based on controlled oxidation of nanoscale metallic multilayers, to produce strong and hard oxide/metal nanocomposite coatings with high strength and good thermal stability. The approach is demonstrated by…

材料科学 · 物理学 2016-09-23 M. A. Monclús , M. Callisti , T. Polcar , L. W. Yang , J. LLorca , J. M. Molina-Aldareguía

The mixed-chalcogenide compound TlBiSSe realizes a three-dimensional (3D) Dirac semimetal state. In clean, low-carrier-density single crystals of this material, we found Shubnikov-de Haas oscillations to signify its 3D Dirac nature.…

材料科学 · 物理学 2016-01-13 Mario Novak , Satoshi Sasaki , Kouji Segawa , Yoichi Ando

In twisted two-dimensional (2D) magnets, the stacking dependence of the magnetic exchange interaction can lead to regions of ferromagnetic and antiferromagnetic interlayer order, separated by non-collinear, skyrmion-like spin textures.…

We show that ac magnetoresistance at room temperature in La0.7Sr0.3MnO3 is extremely high (= 47% in H = 100 mT, f = 3-5 MHz), and magnetic field dependence of reactance exhibits a double peak behavior. However, magnitudes of the ac…

材料科学 · 物理学 2015-05-14 A. Rebello , R. Mahendiran

We present here a simple qualitative model that interpolates between the high and low temperature properties of quasi-1D conductors. At high temperatures we argue that transport is governed by inelastic scattering whereas at low…

无序系统与神经网络 · 物理学 2009-10-30 Ivar Martin , Philip Phillips

MBE-grown, 5 nm-thick annealed Ga0.95Mn0.05As films with Tc~90K demonstrate transition from metallic to insulating state below To~10K, where sheet resistances Rsh~h/e2 and both longitudinal Rxx and transverse Rxy components become…

材料科学 · 物理学 2008-06-17 R. R. Gareev , A. Petukhov , M. Schlapps , M. Doeppe , J. Sadowski , M. Sperl , W. Wegscheider

We present a theoretical description of the interlayer magnetoresistance in the layered Dirac fermion system with the application to the organic conductor \alpha-(BEDT-TTF)_2I_3 under pressure. Assuming a non-vertical interlayer tunneling…

材料科学 · 物理学 2010-04-15 Takao Morinari , Takami Tohyama

The in-plane correlation lengths and magnetic disorder of magnetic domains in a transition metal multilayer have been studied using neutron scattering techniques. A new theoretical framework is presented connecting the observed scattering…

材料科学 · 物理学 2014-12-24 Sean Langridge , Joerg Schmalian , C. H. Marrows , D. T. Dekadjevi , B. J. Hickey

Effects of anisotropic gap structures on a diamagnetic response are investigated in order to demonstrate that the field-angle-resolved magnetization ($M_L(\chi)$) measurement can be used as a spectroscopic method to detect gap structures.…

超导电性 · 物理学 2016-08-16 H. Adachi , P. Miranović , M. Ichioka , K. Machida

The broadband ferromagnetic resonance (FMR) linewidth of the free layer of magnetic tunnel junctions is used as a simple diagnostic of the quality of the magnetic structure. The FMR linewidth increases near the field regions of free layer…

材料科学 · 物理学 2009-01-28 J. F. Sierra , F. G. Aliev , R. Heindl , S. E. Russek , W. H. Rippard
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