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The perovskite manganites of general formula RE_1-xAe_xMnO_3 (RE= rare earth,AE=Ca, Sr, Ba and Pb)have drawn considerable attention, especially following the discovery of colossal magnetoresistance (CMR). They exhibit extraordinary large…

Strongly Correlated Electrons · Physics 2007-05-23 P. K. Siwach , H. K. Singh , O. N. Srivastava

Intelligent reflecting surfaces (IRS) are valuable tools for enhancing the intelligence of the propagation environment. They have the ability to direct EM Waves to a specific user through beamforming. A significant number of passive…

Applied Physics · Physics 2024-05-13 Mohammadreza Jahangiri , Hossein Soleimani , Mohammad Soleimani

Methods for characterisation of 3D magnetic spin structures are necessary to advance the performance of 3D magnetic nanoscale technologies. However, as the component dimensions approach the nanometre range, it becomes more challenging to…

Mesoscale and Nanoscale Physics · Physics 2025-06-24 Aurys Silinga , András Kovács , Stephen McVitie , Rafal E. Dunin-Borkowski , Kayla Fallon , Trevor P. Almeida

We demonstrate tunnel magnetoresistance (TMR) junctions based on a tri layer system consisting of an epitaxial NiMnSb, aluminum oxide and CoFe tri layer. The junctions show a tunnelling magnetoresistance of Delta R/R of 8.7% at room…

Materials Science · Physics 2009-11-11 J. Liu , E. Girgis , P. Bach , C. Ruester , C. Gould , G. Schmidt , L. W. Molenkamp

To understand the near-interface magnetism in manganites, uniform, ultra-thin films of La_{0.67}Sr_{0.33}MnO_3 were grown epitaxially on single crystal (001) LaAlO_3 and (110) NdGaO_3 substrates. The temperature and magnetic field dependent…

Materials Science · Physics 2009-10-31 J. Z. Sun , D. W. Abraham , R. A. Rao , C. B. Eom

Ferrimagnetic alloys are extensively studied for their unique magnetic properties leading to possible applications in perpendicular magnetic recording, due to their deterministic ultrafast switching and heat assisted magnetic recording…

Materials Science · Physics 2019-12-04 Chen Luo , Hanjo Ryll , Christian H. Back , Florin Radu

We present room temperature ferromagnetic resonance (FMR) studies of polycrystalline ||Pt/10 nm Cu/t Co/10 nm Cu/Pt|| films as a function of Co layer thickness (1 < t < 10 nm) grown by evaporation and magnetron sputtering. FMR was studied…

Materials Science · Physics 2007-07-10 J-M. L. Beaujour , W. Chen , A. D. Kent , J. Z. Sun

Resonant Inelastic X-ray Scattering (RIXS) in the soft x-ray range is an element-specific energy-loss spectroscopy used to probe the electronic and magnetic excitations in strongly correlated solids. In the recent years, RIXS has been…

Magnetite (Fe3O4) thin films on GaAs have been studied with HArd X-ray PhotoElectron Spectroscopy (HAXPES) and low-energy electron diffraction. Films prepared under different growth conditions are compared with respect to stoichiometry,…

Materials Science · Physics 2013-05-29 M. Paul , A. Mueller , A. Ruff , B. Schmid , G. Berner , M. Mertin , M. Sing , R. Claessen

We report resonant elastic X-ray scattering (REXS) of long-range magnetic order in EuPtSi$_{\text{3}}$, combining different scattering geometries with full linear polarization analysis to unambiguously identify magnetic scattering…

Magnetic circular dichroism (MCD) spectroscopy in the range of 1.2 - 3.7 eV was studied for La1-xKxMnO3 (x = 0.05 - 0.18) epitaxial films over a wide temperature range. The thin films were grown using a two-step procedure: deposition of…

Strongly Correlated Electrons · Physics 2025-09-29 Yulia E. Samoshkina , Dmitriy A. Petrov , Dmitry S. Neznakhin , Igor E. Korsakov , Andrei V. Telegin

We use a combination of density functional theory and Monte Carlo calculations to calculate the surface magnetization in magnetoelectric $\mathrm{Cr_2O_3}$ at finite temperatures. Such antiferromagnets, lacking both inversion and…

Materials Science · Physics 2023-04-19 Sophie F. Weber , Nicola A. Spaldin

We report a theoretical study on resonant x-ray emission spectra (RXES) in the whole energy region of the Mn $L_{2,3}$ white lines for three prototypical Mn/Ag(001) systems: (i) a Mn impurity in Ag, (ii) an adsorbed Mn monolayer on Ag, and…

Strongly Correlated Electrons · Physics 2016-08-31 M. Taguchi , P. Kruger , J. C. Parlebas , A. Kotani

Transport and magnetic properties of LSMO manganite thin films and bicrystal junctions were investigated. Manganite films were epitaxially grown on STO, LAO, NGO and LSAT substrates and their magnetic anisotropy were determined by two…

Materials Science · Physics 2012-10-09 G. A. Ovsyannikov , V. V. Demidov , A. M. Petrzhik , I. V. Borisenko , A. V. Shadrin , R. Gunnarsson

Moire superlattices (MSLs) are an emerging class of two-dimensional functional materials whose electronic states can be tuned by the twist angle between two van der Waals layers and/or the relative placement of the layers. The intriguing…

Materials Science · Physics 2025-02-06 Rina Mishima , Takuro Nagai , Hiroyo Segawa , Masahiro Ehara , Takashi Uchino

The infrared absorption of charge density waves coupled to a magnetic background is first observed in two manganites La{1-x}Ca{x}MnO{3} with x = 0.5 and x = 0.67. In both cases a BCS-like gap 2 Delta (T), which for x=0.5 follows the…

Strongly Correlated Electrons · Physics 2009-10-31 P. Calvani , G. De Marzi , P. Dore , S. Lupi , P. Maselli , F. D'Amore , S. Gagliardi , S-W. Cheong

Recent improvements in instrumentation have established resonant inelastic x-ray scattering (RIXS) as a valuable new probe of the magnetic excitations in the cuprates. This article introduces RIXS, focusing on the Cu $L_3$ resonance, and…

Superconductivity · Physics 2015-02-17 M. P. M. Dean

Magnetic tunnel junctions (MTJs) have been widely applied in spintronic devices for efficient spin detection through the imbalance of spin polarization at the Fermi level. The van der Waals (vdW) nature of two-dimensional (2D) magnets with…

Materials Science · Physics 2024-01-31 Wen Jin , Xinlu Li , Gaojie Zhang , Hao Wu , Xiaokun Wen , Li Yang , Jie Yu , Bichen Xiao , Wenfeng Zhang , Jia Zhang , Haixin Chang

A series of manganites Tb1-xHoxMnO3 (0<=x<=0.6) with orthorhombic structure are synthesized and detailed investigations on their multiferroicity are performed. Successive magnetic transitions upon temperature variation are evidenced for all…

Strongly Correlated Electrons · Physics 2010-04-19 C. L. Lu , S. Dong , K. F. Wang , J. -M. Liu

$\mathrm{YBa_2Cu_3O_7/La_{2/3}Ca_{1/3}MnO_3}$ superconducting/ferromagnetic (SC/FM) multilayers have been studied by neutron reflectometry. Evidence for a characteristic difference between the structural and magnetic depth profiles is…