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Related papers: Interactions Between Mn_12-ac and Thin Gold Films:…

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We investigated the possibility of augmenting the fluence of electrons traversing CdTe thin film and thus increasing the detected signal pursuing two venues: adding a high-Z metal layer to the back of the detector surface, and adding a top…

Medical Physics · Physics 2023-01-11 Fatemeh Akbari , Diana Shvydka

We report the far-infrared spectra of the molecular nanomagnet Mn_12-acetate (Mn_12) as a function of temperature (5-300 K) and magnetic field (0-17 T). The large number of observed vibrational modes is related to the low symmetry of the…

Strongly Correlated Electrons · Physics 2009-11-07 A. B. Sushkov , B. R. Jones , J. L. Musfeldt , Y. J. Wang , R. M. Achey , N. S. Dalal

We perform inelastic neutron scattering measurements on the molecular nanomagnet Mn_12-acetate to measure the excitation spectrum up to 45meV (500K). We isolate magnetic excitations in two groups at 5-6.5meV (60-75K) and 8-10.5meV…

Strongly Correlated Electrons · Physics 2007-05-23 G. Chaboussant , A. Sieber , S. Ochsenbein , H. -U. Guedel , M. Murrie , A. Honecker , N. Fukushima , B. Normand

The interaction between a superconducting vortex or antivortex in a superconducting film and a magnetic dipole with in- or out-of-plane magnetization is investigated within the London approximation. The dependence of the interaction energy…

Superconductivity · Physics 2009-11-07 M. V. Milosevic , S. V. Yampolskii , F. M. Peeters

Neodymium is a remarkable active component in numerous magnetic alloys that are used in various applications. However, the application of bare neodymium thin film is limited due to the lack of information about its electrical and magnetic…

Materials Science · Physics 2020-10-07 G. Yumnam , J. Guo , Y. Chen , V. Lauter , D. K. Singh

The thermal stabilization of thin gold nanowires with a diameter of about 2 nm by surfactants is investigated by means of classical molecular dynamics simulations. While the well-known melting point depression leads to a much lower melting…

Materials Science · Physics 2012-01-23 Stefan E. Huber , Chompunuch Warakulvit , Jumras Limtrakul , Tatsuya Tsukuda , Michael Probst

Recently, a logarithmic decrease of conductivity has been observed in topological insulators at low temperatures, implying a tendency of localization of surface electrons. Here, we report quantum transport experiments on the topological…

Mesoscale and Nanoscale Physics · Physics 2014-10-09 Hong-Chao Liu , Hai-Zhou Lu , Hong-Tao He , Baikui Li , Shi-Guang Liu , Qing Lin He , Gan Wang , Iam Keong Sou , Shun-Qing Shen , Jiannong Wang

In this work, amorphous thin films in Mg-Si-O-N system were prepared in order to investigate the dependence of optical and mechanical properties on Mg composition. Reactive RF magnetron co-sputtering from magnesium and silicon targets were…

Most experimental data on the single-molecule magnet Mn$_{12}$ acetate have been successfully explained by the assumption that the Mn$_{12}$ acetate has an effective ground-state spin of S=10. However, the effect of the low-lying excited…

Materials Science · Physics 2009-11-10 Kyungwha Park , Mark R. Pederson , C. Stephen Hellberg

We present a theoretical study of the magnetic properties of dicyclopentadienyl metallocene and phthalocyanine molecules, that contain the transition metal atoms M = Fe, Co, Ni, Cu, Zn, Ir, Pt and Au. Our most important prediction is that…

Materials Science · Physics 2011-04-26 Diego Carrascal , Lucas Fernandez-Seivane , Jaime Ferrer

The completed and proposed experiments for the measurement of the neutrino magnetic moment are discussed. To improve the sensitivity of the search for the neutrino magnetic moment we suggest to use a polarized electron target in the…

High Energy Physics - Phenomenology · Physics 2015-06-25 Timur I. Rashba

We consider a simple model for a superlattice composed of a thin magnetic film placed between two bulk superconductors. The magnetic film is modelled by a planar but otherwise arbitrary distribution of magnetic dipoles and the…

Superconductivity · Physics 2009-10-31 Jaime E. Santos , Erwin Frey , Franz Schwabl

Thin films of silver containing 0.3 - 1.5 at % Fe have been prepared by vapor co-deposition. Depending on substrate temperature and iron concentration we could systematically follow the formation of nanometer size clusters of iron from…

Strongly Correlated Electrons · Physics 2008-08-08 W. T. Herrera , S. M. Ramos , E. M. Baggio-Saitovitch , F. J. Litterst

The effect of the anisotropy in the exchange interaction on the phase diagrams and magnetization behavior of the Heisenberg thin film has been investigated with effective field formulation in a two spin cluster using the decoupling…

Statistical Mechanics · Physics 2015-06-17 Ümit Akıncı

Structural and magnetic properties of Mn5(SixGe1-x)3 thin films were investigated. Ferromagnetic Mn5Ge3 and anti-ferromagnetic Mn5Si3 thin films have been synthesized and characterized as these compounds exhibit interesting features for the…

The great practical utility has motivated extensive efforts to discover ultra-low resistance electrical conductors and superconductors in ambience. Here we report the observation of vanishingly small electrical resistance at the ambient…

Geometry, electronic structure, and magnetic properties of methylthiolate-stabilized Au$_{25}$L$_{18}$ and MnAu$_{24}$L$_{18}$ (L = SCH$_3$) clusters adsorbed on noble-metal (111) surfaces have been investigated by using spin-polarized…

Atomic and Molecular Clusters · Physics 2015-06-03 Xi Chen , Mikkel Strange , Hannu Hakkinen

The presence of spin-orbit scattering within an aluminum nanoparticle affects measurements of the discrete energy levels within the particle by (1) reducing the effective g-factor below the free-electron value of 2, (2) causing avoided…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 D. G. Salinas , S. Guéron , D. C. Ralph , C. T. Black , M. Tinkham

Effects of spin-orbit coupling and s-d exchange interaction are probed by magnetoresistance measurements carried out down to 50 mK on ZnO and Zn_{1-x}Mn_{x}O with x = 3 and 7%. The films were obtained by laser ablation and doped with Al to…

Disordered Systems and Neural Networks · Physics 2009-11-11 T. Andrearczyk , J. Jaroszynski , G. Grabecki , T. Dietl , T. Fukumura , M. Kawasaki

Mixed-valence perovskite manganites (Re$_{1-x}$A$_{x}$MnO$_{3}$ where Re=rare earth, A=alkaline earth) provide a unique opportunity to study the relationships between the structure and the magnetotransport properties due to an interplay…

Materials Science · Physics 2009-11-07 W. Prellier , Ph. Lecoeur , B. Mercey