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We report on the magnetic and structural properties of ferromagnetic-insulating La$_2$CoMnO$_6$ thin films grown on top of (001) STO substrates by means of RF sputtering technique. Careful structural analysis, by using synchrotron X-ray…

FeRh based alloys may display an uncommon transition from a ferromagnetic to an antiferromagnetic state upon cooling. The transition takes place roughly above room temperature and it can be sensitively modulated by composition and external…

Materials Science · Physics 2019-11-14 Ignasi Fina , Josep Fontcuberta

Recent simulation studies of the surface tension, and other properties of thin free-standing films, have revealed unexpected finite size effects in which the variance of the properties vary monotonically with the in-plane width of the…

Chemical Physics · Physics 2019-08-29 Jose L. Rivera , Jack Douglas

Simulation of the magnetic relaxation in a model of hard superconductor reveals a new time scale below the irreversibility temperature. The relaxation in this new time scale, which appears in an intermediate time window, is a power law and…

Superconductivity · Physics 2007-05-23 Mahesh Chandran

Focused ion beam irradiation of metastable Fe$_{78}$Ni$_{22}$ thin films grown on Cu(100) substrates results in the localized transformation of the originally paramagnetic, face-centered-cubic continuous film into ferromagnetic patterns…

Materials Science · Physics 2026-03-06 Jakub Holobrádek , Libor Vojáček , Ondřej Wojewoda , Michael Schmid , Michal Urbánek

We present the results obtained on the magnetisation relaxation properties of an XX quantum chain in a transverse magnetic field. We first consider an initial thermal kink-like state where half of the chain is initially thermalized at a…

Statistical Mechanics · Physics 2009-11-11 Thierry Platini , Dragi Karevski

We present the investigation on the modifications of structural and magnetic properties of MnAs thin film epitaxially grown on GaAs induced by slow highly charged ions bombardment under well-controlled conditions. The ion-induced defects…

It is shown that the conductance relaxations observed in electrical field effect measurements on granular Al films are the sum of two contributions. One is sensitive to gate voltage changes and gives the already reported anomalous…

Disordered Systems and Neural Networks · Physics 2011-06-17 Julien Delahaye , Jean Honoré , Thierry Grenet

The damping of spin waves parametrically excited in the magnetic insulator Yttrium Iron Garnet (YIG) is controlled by a dc current passed through an adjacent normal-metal film. The experiment is performed on a macroscopically sized…

Thin films of Nd$_{0.5}$Ca$_{0.5}$MnO$_{3}$ manganites with colossal magnetoresistance (CMR) properties have been synthesized by the Pulsed Laser Deposition technique on (100)-SrTiO$_{3}$. The lattice parameters of these manganites and…

Materials Science · Physics 2009-11-07 E. Rauwel-Buzin , W. Prellier , Ch. Simon , S. Mercone , B. Mercey , B. Raveau , J. Sebek , J. Hejtmanek

We report on the finite size effects in the Verwey transition of stress-free magnetite Fe3O4 thin films. A limit thickness of 20 nm is evidenced, above which the transition temperature TV is constant and close to 120 K (bulk value) and…

Strongly Correlated Electrons · Physics 2007-05-23 Alexandre Bataille , Eric Vincent , Susana Gota , Martine Gautier-Soyer

The analysis of quantum corrections to magnetoconductivity of thin Au films responsible for by the effect of weak electron localization has made it possible to determine the temperature dependences of electron phase relaxation time in the…

Disordered Systems and Neural Networks · Physics 2009-10-31 B. I. Belevtsev , Yu. F. Komnik , E. Yu. Beliayev

Magnetic skyrmions are swirling magnetic textures that can be efficiently driven with spin-orbit torques with a deflected trajectory. However, pinning slows skyrmions down and alters their trajectory, which prevents a quantitative…

We have systematically studied the evolution of magnetic properties, especially the coercivity and the remanence ratio in the vicinity of the Verwey transition temperature (TV ), of high-quality epitaxial Fe3O4 thin films grown on MgO…

Materials Science · Physics 2018-10-02 X. H. Liu , W. Liu , Z. D. Zhang

In a magnetic skyrmion phase, magnetic moments form vortex-like topological textures which are of both fundamental and industrial interests. In $\beta$-Mn-type Co-Zn-Mn alloys, chrial magnetic skyrmions emerge above room temperature,…

Systematically magnetic and magnetothermal measurements at temperatures down to 2 K and magnetic fields up to 13.5 Tesla for Gd(OH)3 Single Crystal Nanowires - Quasi-1D Large Spin (S = -7/2) Chain Antiferromagnet have been conducted. We…

Materials Science · Physics 2012-07-16 R. Zeng , C. F. Zhang , J. C. Debnath , P. Shamba , J. L. Wang , Z. X. Chen , Z. P. Guo , S. X. Dou

Helimagnetic structures, in which the magnetic moments are spirally ordered, host an internal degree of freedom called chirality (or helicity) corresponding to the handedness of the helix. The chirality seems quite robust against…

Mesoscale and Nanoscale Physics · Physics 2022-05-27 Hidetoshi Masuda , Takeshi Seki , Yoichi Nii , Hiroto Masuda , Koki Takanashi , Yoshinori Onose

Experiments on the temperature and time dependence of the response function and the field cooled magnetisation of a Cu(Mn) spin glass at temperatures below the zero field spin glass temperature are used to explore the non-equilibrium nature…

Disordered Systems and Neural Networks · Physics 2009-10-31 C. Djurberg , K. Jonason , P. Nordblad

Thermally driven transitions between ferromagnetic and paramagnetic phases are characterized by critical behavior with divergent susceptibilities, long-range correlations, and spin dynamics that can span kHz to GHz scales as the material…

Spin relaxation between the two lowest-lying spin-states has been studied in the S=4 single molecule magnet Ni$_4$ under steady state conditions of low amplitude and continuous microwave irradiation. The relaxation rate was determined as a…

Mesoscale and Nanoscale Physics · Physics 2008-07-22 G. de Loubens , D. A. Garanin , C. C. Beedle , D. N. Hendrickson , A. D. Kent