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Related papers: Ca3(Ru1-xCrx)2O7: A new paradigm for spin valves

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We report spin valve behavior in an organic nanowire consisting of three layers - cobalt, Alq3 and nickel - all nominally 50 nm in diameter. Based on the data, we conclude that the dominant spin relaxation mechanism in Alq3 is the…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 S. Pramanik , C-G. Stefanita , S. Bandyopadhyay , K. Garre , N. Harth , M. Cahay

Layered {\alpha}-RuCl3 is a promising material to potentially realize the long-sought Kitaev quantum spin liquid with fractionalized excitations. While evidence of this exotic state has been reported under a modest in-plane magnetic field,…

A dense phase of a post-layered perovskite Sr3Co2O6 was created by a high-pressure and high-temperature synthetic route and quenched to ambient conditions. The structure of Sr3Co2O6 was determined by synchrotron X-ray powder diffraction.…

Spin superfluid is a novel emerging quantum matter arising from the Bose-Einstein condensate (BEC) of spin-1 bosons. We demonstrate the spin superfluid ground state in canted antiferromagnetic Cr2O3 thin film at low temperatures via…

Materials Science · Physics 2018-04-24 Wei Yuan , Qiong Zhu , Tang Su , Yunyan Yao , Wenyu Xing , Yangyang Chen , Yang Ma , Xi Lin , Jing Shi , Ryuichi Shindou , X. C. Xie , Wei Han

Several x-compositions of the polycrystalline Dy3-xYxTaO7 system, crystallizing in the weberite-type structure, were synthesized and structurally characterized using Rietveld refinements based on X-ray diffraction data. In previous magnetic…

Materials Science · Physics 2014-05-22 J. Francisco Gomez-Garcia , Roberto Escudero , Gustavo Tavizon

We probe spin transport in Cu_{2}O by measuring spin valve effect in La_{0.7}Sr_{0.3}MnO_{3}/Cu_{2}O/Co and La_{0.7}Sr_{0.3}MnO_{3}/Cu_{2}O/La_{0.7}Sr_{0.3}MnO_{3} epitaxial heterostructures. In La_{0.7}Sr_{0.3}MnO_{3}/Cu_{2}O/Co systems we…

Mesoscale and Nanoscale Physics · Physics 2010-04-21 I. Pallecchi , L. Pellegrino , N. Banerjee , M. Cantoni , A. Gadaleta , A. S. Siri , D. Marré

We report the transport properties of ${\alpha}$-RuCl$_3$/bilayer graphene heterostructures, where carrier doping is induced by a work function difference, resulting in distinct electron and hole populations in ${\alpha}$-RuCl3 and bilayer…

Strongly correlated ground states and exotic quasiparticle excitations in low-dimensional systems are central research topics in the solid state research community. The present work develops a new layered material and explores the physical…

Strongly Correlated Electrons · Physics 2023-02-09 Xianghan Xu , Guangming Cheng , Danrui Ni , Xin Gui , Weiwei Xie , Nan Yao , R. J. Cava

We have investigated the electronic structure of the transition metal oxide Ca3Ru2O7 within density functional theory using the generalized gradient approximation while considering strong Coulomb correlations in the framework of the fully…

Strongly Correlated Electrons · Physics 2024-04-22 V. N. Antonov , D. A. Kukusta , L. V. Bekenov

The influence of Ca substitution on the superconducting properties of polycrystalline R1-xCaxBa2Cu3Oz (R = Eu, Gd, Er; x=0; 0.2; 0.25 and 0.3) samples has been studied by X-ray powder diffraction, ac susceptibility and dc magnetization…

Superconductivity · Physics 2009-11-11 E. K. Nazarova , K. Nenkov , G. Fuchs , K. -H. Muller

Heterostructures consisting of a cuprate superconductor YBa2Cu3O7x and a ruthenate/manganite (SrRuO3/La0.7Sr0.3MnO3) spin valve have been studied by SQUID magnetometry, ferromagnetic resonances and neutron reflectometry. It was shown that…

We have investigated the crystal structure and the ferroelectric properties of BaTiO3 thin films with YBa2Cu3O7-d as the bottom and Au as the top electrode. Epitaxial heterostructures of YBa2Cu3O7-d and BaTiO3 were prepared by dc and rf…

Materials Science · Physics 2009-10-31 Ch. Schwan , F. Martin , G. Jakob , J. C. Martinez , H. Adrian

Kagome magnets can combine non-trivial band topology and electron correlations, offering a versatile playground for various quantum phenomena. In this work we propose that kagome magnets with frustrated interlayer interactions can…

We explore orbital dynamics in the spin liquid candidate Ba3CuSb2O9 using multi-frequency electron spin resonance. We prepared two high quality single crystals. The crystal with a slight copper deficiency shows a structural phase transition…

Strongly Correlated Electrons · Physics 2015-12-09 Yibo Han , Masayuki Hagiwara , Takehito Nakano , Yasuo Nozue , Kenta Kimura , Mario Halim , Satoru Nakatsuji

Altermagnetism presents intriguing possibilities for spintronic devices due to its unique combination of strong spin-splitting and zero net magnetization. However, realizing its full potential hinges on fabricating single-variant…

High-entropy oxide (HEO) thin films uniquely superimpose exceptional chemical disorder with exceptional crystalline quality and coherence - an intersection we term anomalous crystallinity that arises from coupled structural, chemical, and…

Non-collinear, multi-q spin textures can give rise to exotic, topologically protected spin structures such as skyrmions, but the reason for their formation over simple single-q structures is not well understood. While lattice frustration…

Materials Science · Physics 2019-08-14 Paul C. Rogge , Robert J. Green , Ronny Sutarto , Steven J. May

The discovery of high-temperature superconductivity in La$_3$Ni$_2$O$_7$ at pressures above 14 GPa has spurred extensive research efforts. Yet, fundamental aspects of the superconducting phase, including the possibility of a filamentary…

Perovskite ruthenates are fascinating playgrounds for exploring topological spin textures, but generally rely on extrinsic mechanisms to trigger the noncoplanar states. Here we report the discovery of an emergent chiral spin crystal phase…

Owing to the intrinsically high crystallization temperatures, layered phase-change materials, such as CrGeTe3 and InGeTe3, are attracting attention for embedded memory applications, In addition to the electrical contrast, a major change in…

Materials Science · Physics 2025-03-18 Xiaozhe Wang , Jiayue Wang , Yihui Jiang , Suyang Sun , Jiangjing Wang , Riccardo Mazzarello , Wei Zhang