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Related papers: FeCoCp3 Molecular Magnets as Spin Filters

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The recent development of MBE techniques for growth of III-V ferromagnetic semiconductors has created materials with exceptional promise in spintronics, i.e. electronics that exploit carrier spin polarization. Among the most carefully…

Materials Science · Physics 2015-06-25 A. H. MacDonald , P. Schiffer , N. Samarth

We review different electron transport methods to probe the magnetic properties, such as the magnetic anisotropy, of an individual Fe4 SMM. The different approaches comprise first and higher order transport through the molecule. Gate…

Mesoscale and Nanoscale Physics · Physics 2016-06-09 E. Burzurí , R. Gaudenzi , H. S. J. van der Zant

Molecular spintronics is made possible by the coupling between electronic configuration and magnetic po- larization of the molecules. For control and application of the individual molecular states it is necessary to both read and write…

Mesoscale and Nanoscale Physics · Physics 2016-04-27 T. Saygun , J. Bylin , H. Hammar , J. Fransson

The organometallic ring molecules Fe_6 and Fe_10 are leading examples of a class of nanoscopic molecular magnets, which have been of intense recent interest both for their intrinsic magnetic properties and as candidates for the observation…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 B. Normand , X. Wang , X. Zotos , Daniel Loss

A spin valve is a prototype of spin-based electronic devices found on ferromagnets, in which an antiferromagnet plays a supporting role. Recent findings in antiferromagnetic spintronics show that an antiferromagnetic order in single-phase…

We report on spin polarization reduction by incoherent tunneling in realistic single crystal Co2FeAl/MgO/Co50Fe50 magnetic tunnel junctions (MTJ) compared to reference Fe/MgO/Fe. A large density of misfit dislocations in the Heusler based…

Materials Science · Physics 2012-12-06 M. S. Gabor , C. Tiusan , T. Petrisor , T. Petrisor , M. Hehn , Y. Lu , E. Snoeck

The low temperature spin dynamics of a Fe8 Single-Molecule Magnet was studied under circularly polarized electromagnetic radiation allowing us to establish clearly photon-assisted tunneling. This effect, while linear at low power, becomes…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 L. Sorace , W. Wernsdorfer , C. Thirion , A. -L. Barra , M. Pacchioni , D. Mailly , B. Barbara

An important contribution to the thermoelectric and spin-caloric transport properties in magnetic materials at elevated temperatures is the formation of a spin-disordered state due to local moment fluctuations. This effect has not been…

Materials Science · Physics 2015-06-23 Roman Kováčik , Phivos Mavropoulos , Stefan Blügel

The oxidation and spin state of a metal-organic molecule determine its chemical reactivity and magnetic properties. Here, we demonstrate the reversible control of the oxidation and spin state in a single Fe-porphyrin molecule in the force…

Mesoscale and Nanoscale Physics · Physics 2018-04-09 Benjamin W. Heinrich , Christopher Ehlert , Nino Hatter , Lukas Braun , Christian Lotze , Peter Saalfrank , Katharina J. Franke

The spinel FeV2O4 is known to exhibit peculiar physical properties, which is generally ascribed to the unusual presence of two cations showing a pronounced interplay between spin, orbital and lattice degrees of freedom (Fe2+ and V3+ on the…

Materials Science · Physics 2012-02-16 Q. Zhang , K. Singh , F. Guillou , C. Simon , Y. Breard , V. Caignaert , V. Hardy

The advancement of spin-based devices as a replacement for CMOS technology demands lower spin-switching energy in ferromagnetic (FM) materials. Ferroelectric (FE) materials offer a promising avenue for influencing FM properties, yet the…

Materials Science · Physics 2025-08-13 Dameul Jeong , Seoung-Hun Kang , Young-Kyun Kwon

The Fe(1+x)Sb compound has been synthesized close to stoichiometry with x = 0.023(8). The compound was investigated by 57Fe M\"ossbauer spectroscopy in the temperature range 4.2 - 300 K. The antiferromagnetic ordering temperature was found…

Strongly Correlated Electrons · Physics 2016-01-20 K. Komedera , A. K. Jasek , A. Blachowski , K. Ruebenbauer , A. Krzton-Maziopa

Antiferromagnetic transition metal oxides are an established and widely studied materials system in the context of spin-based electronics, commonly used as passive elements in exchange bias-based memory devices. Currently, major interest…

Materials Science · Physics 2023-03-24 H. Meer , O. Gomonay , A. Wittmann , M. Kläui

Electrical injection in organic semiconductors is a key prerequisite for the realization of organic spintronics. Using density-functional theory calculations we report the effect of electron transfer into the organic molecule Alq$_3$. Our…

Materials Science · Physics 2015-05-19 Kartick Tarafder , Biplab Sanyal , Peter M. Oppeneer

Single-ion magnetic anisotropy in molecular magnets leads to spin flip excitations that can be measured by inelastic scanning tunneling microscope (STM) spectroscopy. Here I present a semi ab initio scheme to compute the spectral features…

Mesoscale and Nanoscale Physics · Physics 2018-08-16 David Jacob

In this paper, we have done a comparative study of electronic and magnetic properties of iron phthalocyanine (FePc) and cobalt phthalocyanine (CoPc) molecules physisorbed on monolayer of MoS$_2$ and graphene by using density functional…

Materials Science · Physics 2018-09-05 Soumyajyoti Haldar , Sumanta Bhandary , Hakkim Vovusha , Biplab Sanyal

Spintronics is expected as the next-generation technology based on the novel notch of spin degree of freedom of electrons. Half metals, a class of materials which behave as a metal in one spin direction and an insulator in the opposite spin…

Materials Science · Physics 2011-08-19 Xiao HU

The physical properties of magnetic nanoparticles have been investigated with focus on the influence of dipolar interparticle interaction. For weakly coupled nanoparticles, thermodynamic perturbation theory is employed to derive analytical…

Materials Science · Physics 2016-08-31 Petra E. Jönsson

Electronic structure calculations are used to analyze the electronic and magnetic properties in {K$_{2}$Fe$_{4+x}$Se$_{5}$}. Fe atoms can be divided into two distinct groups. The $x{=}0$ (parent) compound forms an insulating, collinear,…

Materials Science · Physics 2012-09-04 Liqin Ke , Mark van Schilfgaarde , Vladimir Antropov

Magnetism at the nanoscale has been a very active research area in the past decades, because of its novel fundamental physics and exciting potential applications. We have recently performed an {\it ab intio} study of the structural,…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 J. C. Tung , G. Y. Guo
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