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The ground-state electronic, structural, and magnetic properties of small silver clusters, Ag$_n$ (2$\le$n$\le$22), have been studied using a linear combination of atomic Gaussian-type orbitals within the density functional theory. The…

Atomic and Molecular Clusters · Physics 2009-11-11 M. Pereiro , D. Baldomir , J. E. Arias

Kitaev magnets are materials with bond-dependent Ising interactions between localized spins on a honeycomb lattice. Such interactions could lead to a quantum spin-liquid (QSL) ground state at zero temperature. Recent theoretical studies…

Magnetic and transport properties of Ge(1-x-y)Mn(x)Eu(y)Te crystals with chemical compositions 0.041 < x < 0.092 and 0.010 < y < 0.043 are studied. Ferromagnetic order is observed at 150 < T < 160 K. Aggregation of magnetic ions into…

The magnetic, transport, and structural properties of (Ga,Cr)As are reported. Zincblende Ga$_{1-x}$Cr$_{x}$As was grown by low-temperature molecular beam epitaxy (MBE). At low concentrations, x$\sim$0.1, the materials exhibit unusual…

Materials Science · Physics 2009-11-07 A. Dakhama , B. Lakshmi , D. Heiman

Copper(II) silver(II) sulfate crystallizes in a monoclinic CuSO4-related structure with P21/n symmetry. This quasi-ternary compound features [Ag(SO4)2]2- layers, while the remaining cationic sites may be occupied either completely or…

Materials Science · Physics 2023-10-16 Mateusz Domanski , Zoran Mazej , Wojciech Grochala

The structural evolution and dynamics of silver nanodrops Ag${}_{2896}$ (4.4 nm in diameter) during rapid cooling conditions has been studied by means of molecular dynamics simulations and electronic density of state calculations. The…

Materials Science · Physics 2009-01-22 I. Lobato , J. Rojas , C. V. Landauro , J. Torres

Atomically precise thiolate-stabilized gold nanoclusters are currently of interest for many cross-disciplinary applications in chemistry, physics and molecular biology. Very recently, synthesis and electronic properties of "nanoalloy"…

Atomic and Molecular Clusters · Physics 2011-09-05 Sami Malola , Hannu Häkkinen

The magnetic resonance spectrum of spin clusters formed in spin-Peierls magnets in the vicinity of impurity ions was investigated. The observed temperature dependences of the effective g-factor and the linewidth of the electron spin…

Strongly Correlated Electrons · Physics 2009-11-07 V. N. Glazkov , A. I. Smirnov , R. M. Eremina , G. Dhalenne , A. Revcolevschi

Magnetic properties of the quasicrystal approximant Au$_{65}$Ga$_{21}$Tb$_{14}$ were investigated by the magnetization and the neutron diffraction experiments. The temperature dependences of the magnetic susceptibility and the magnetization…

We present a quantum Monte Carlo study of the structure and energetics of silver doped helium clusters AgHe$_n$ for $n$ up to 100. Our simulations show the first solvation shell of the Ag atom to be composed by roughly 20 He atoms, and to…

Atomic and Molecular Clusters · Physics 2009-11-07 Massimo Mella , Maria Carola Colombo , Gabriele Morosi

The adsorption of Ag$_3$ and Ag$_4$ clusters on the $\alpha$-Al$_2$O$_3$(0001) surface is explored with density functional theory. Within each adsorbed cluster, two different cluster-surface interactions are present. We find that silver…

Materials Science · Physics 2007-05-23 Elizabeth A. Sokol , Sara E. Mason , Valentino R. Cooper , Andrew M. Rappe

The time-dependent local density approximation is applied to the optical response of the silver clusters, Ag_2, Ag_3, Ag_8 and Ag_9^+. The calculation includes all the electrons beyond the closed-shell Ag^{+11} ionic core, thus including…

Atomic and Molecular Clusters · Physics 2009-10-31 K. Yabana , G. F. Bertsch

We report detailed dc magnetization, linear and non-linear ac susceptibility measurements on the hole doped disordered cobaltite La$_{0.5}$Ba$_{0.5}$CoO$_3$. Our results show that the magnetically ordered state of the system consists of…

Strongly Correlated Electrons · Physics 2012-11-22 Devendra Kumar , A. Banerjee

The magnetization of Zn1-xCoxO (0.0055 < x < 0.073) nanoparticles has been measured as a function of temperature T (1.7 K < T , 10 K) and for magnetic field up to 65 kOe using a SQUID magnetometer. Samples were synthesized by three…

Materials Science · Physics 2022-05-13 X. Gratens , B. de Abreu Silva , M. I. B. Bernardi , H. B. de Carvalho , A. Franco , V. A. Chitta

We report the magnetic, magnetodielectric, and electric polarization properties of single crystals of the Co-based Kitaev Spin Liquid (KSL) candidate Na$_2$Co$_2$TeO$_6$ (NCTO). The sample shows magnetic transitions at 26 K, 16 K, and 5 K,…

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

Assembly of ultracold polar molecules containing silver (Ag) from laser-cooled atoms requires knowledge of the dynamic polarizabilities of Ag at convenient laser wavelengths. We present calculations and analysis of the energies and…

Atomic Physics · Physics 2025-03-13 S. G. Porsev , D. Filin , C. Cheung , M. S. Safronova

K clusters arrayed in zeolite A are investigated in detail. K clusters are generated in regular alpha-cages of zeolite A by the loading of guest K metal at a loading density of K atoms per alpha-cage, $n$. The value of $n$ was changed from…

Low temperature magnetic properties were investigated on the gold nano particles (GNP) with an average size of 11.5 nm, assembled with molecules of ruthenium complex (Ru0) and phenylboronic acid (B0) by the proton nuclear resonance (1H-NMR)…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 Takayuki Goto , Y. Kitamoto , K. Matsui , H. Kuroe , A. Endo , T. Hashimoto , T. Hayashita , S. Iguchi , T. Sasaki

Spontaneous decays of small, hot silver cluster anions Ag$_{n}$, $n=4-7$ have been studied using one of the rings of the Double ElectroStatic Ion Ring ExpEriment (DESIREE). Observation of these decays over very long time scales is possible…

Atomic and Molecular Clusters · Physics 2018-09-12 E. K. Anderson , M. Kamińska , K. C. Chartkunchand , G. Eklund , M. Gatchell , K. Hansen , H. Zettergren , H. Cederquist , H. T. Schmidt
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