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We analyze the complex impact of the local magnetic spin texture on the transverse Hall-type voltage in device structures utilized to measure magnetoresistance effects. We find a highly localized and asymmetric magnetic sensitivity in the…

Mesoscale and Nanoscale Physics · Physics 2022-01-06 F. Schreiber , H. Meer , C. Schmitt , R. Ramos , E. Saitoh , L. Baldrati , M. Kläui

Two dimensional materials are attracting new research for optoelectronics and spintronics due to their unique physical properties. A wide range of emerging spintronic devices are achieved from parent and doped two dimensional materials.…

Materials Science · Physics 2023-09-15 S. Koley

Due to their compact size and exceptional sensitivity at room temperature, magnetoresistance (MR) sensors have garnered considerable interest in numerous fields, particularly in the detection of weak magnetic signals in biological systems.…

Applied Physics · Physics 2024-06-25 Jiahui Luo , Zhaojie Xu , Zhenhu Jin , Mixia Wang , Xinxia Cai , Jiamin Chen

We report the influence of external pressure on the temperature dependence of magnetization and electrical resistivity as well as high-resolution photoemission studies for an alloy, Ce2Rh(0.7)Co(0.3)Si3, ordering magnetically below 3 K. It…

Strongly Correlated Electrons · Physics 2015-05-27 K. Mukherjee , Kartik K Iyer , Swapnil Patil , K. Maiti , E. V. Sampathkumaran

Disorder-induced magnetoresistance (MR) effect is quadratic at low perpendicular magnetic fields and linear at high fields. This effect is technologically appealing, especially in the two-dimensional (2D) materials such as graphene, since…

Mesoscale and Nanoscale Physics · Physics 2021-01-20 J. X. Hu , J. Gou , M. Yang , G. J. Omar , J. Y. Tan , S. W. Zeng , Y. P. Liu , K. Han , Z. S. Lim , Z. Huang , A. T. S. Wee , A. Ariando

Information encoding in barcodes using magnetic-based technology is a unique strategy to read data buried underneath non-transparent surfaces since a direct line-of-sight between the code and the reader is not required. This technology is…

This work presents for the first time a flexible over-moded resonator (OMR) based on P(VDF-TrFE) thin films. The devices were manufactured on commercially available elastic substrate with inkjet-printed electrodes. The sensing copolymer…

We report on the discovery of a large, room temperature magnetoresistance (MR) effect in polyfluorene sandwich devices in weak magnetic fields. We characterize this effect and discuss its dependence on voltage, temperature, film thickness,…

Materials Science · Physics 2016-08-16 T. L. Francis , Ö. Mermer , G. Veeraraghavan , M. Wohlgenannt

This work demonstrated two different kinds of magneto-transport behaviors in epitaxial $L1_{0}$ MnAl film as a function of temperature. The magneto-resistance ratio (MR) was negative and exhibited evident enhancement in the resistivity at…

Mesoscale and Nanoscale Physics · Physics 2016-10-26 Linqiang Luo , Nattawut Anuniwat , Nam Dao , Yishen Cui , Stuart A. Wolf , Jiwei Lu

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

Resistive, magnetoresistive and magnetic properties of four kinds of pressed CrO2 powders, synthesized by hydrothermal method of chromic anhydride have been investigated. The particles in powders constituted of rounded particles (diameter…

Strongly Correlated Electrons · Physics 2015-06-05 N. V. Dalakova , B. I. Belevtsev , E. Yu. Beliayev , O. M. Bludov , V. A. Pashchenko , M. G. Osmolovsky , O. M. Osmolovskaya

We report magnetotransport measurements on high purity sintered samples of spintronic CrO2 in an unexplored crystallographic regime between 5-300 K. The negative magnetoresistance (MR) as derived from RH isotherms is observed to be…

Materials Science · Physics 2007-05-23 A. Bajpai , A. K. Nigam

We study theoretically magnetoresistance (MR) of graphene with different types of disorder. For short-range disorder, the key parameter determining magnetotransport properties---a product of the cyclotron frequency and scattering…

Disordered Systems and Neural Networks · Physics 2014-09-11 P. S. Alekseev , A. P. Dmitriev , I. V. Gornyi , V. Yu. Kachorovskii

In order to address many of the challenges and bottlenecks currently experienced by traditional charge based technologies, various alternatives are being actively explored to provide potential solutions of device miniaturization and scaling…

Mesoscale and Nanoscale Physics · Physics 2019-01-03 Xiangjun Xing , Philip W. T. Pong , Yan Zhou

In this work, we propose and evaluate an inexpensive and CMOS-compatible method to locally apply strain on a Si/SiOx substrate. Due to high growth temperatures and different thermal expansion coefficients, a SiN passivation layer exerts a…

Memristors are emerging as key electronic components that retain resistance states without power. Their non-volatile nature and ability to mimic synaptic behavior make them ideal for next-generation memory technologies and neuromorphic…

Mesoscale and Nanoscale Physics · Physics 2025-10-28 Tongxin Chen , Yinyu Nie , Yafei Hao , Shengchun Shen , Jiajun Pan , Xiaoguang Li , Yuan Lu

This review provides a comprehensive study of the nonlinear transport properties of magnons, which are electrically emitted or absorbed inside extended YIG films by spin transfer effects via a YIG$\vert$Pt interface. Our purpose is to…

We investigate spin precession (Hanle effect) in the prototypical organic spintronic giant magnetoresistance (GMR) device La0.7Sr0.3MnO3(LSMO)/tris(8-hydroxyquinoline)(Alq3)/AlOx/Co. The Hanle effect is not observed in measurements taken by…

We report a new technique for generating magnetic resonance with synchronous modulation of two-photon resonant light fields. Magnetic resonances in fluorescence from a sodium cell are measured to demonstrate suitability of this technique…

Atomic Physics · Physics 2020-07-29 Raghwinder Singh Grewal , Mauricio Pulido , Gour Pati , Renu Tripathi

We report a comprehensive study of magneto-transport properties in MoSi$_2$ bulk and thin films. Textured MoSi$_2$ thin films of around 70 nm were deposited on silicon substrates with different orientations. Giant magnetoresistance of 1000%…

Materials Science · Physics 2023-07-22 W. Afzal , F. Yun , Z. Li , Z. Yue , W. Zhao , L. Sang , G. Yang , Y. He , G. Peleckis , M. Fuhrer , X. Wang