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The magnetic behavior of the Ca3Co2O6 spin chain compound is characterized by a large Ising-like character of its ferromagnetic chains, set on triangular lattice, that are antiferromagnetically coupled. At low temperature, T < 7K, the 3D…

Strongly Correlated Electrons · Physics 2007-05-23 A. Maignan , V. Hardy , S. Hebert , M. Drillon , M. R. Lees , O. Petrenko , D. Mc K. Paul , D. Khomskii

We report the low temperature magnetic properties of the DyScO$_3$ perovskite, which were characterized by means of single crystal and powder neutron scattering, and by magnetization measurements. Below $T_{\mathrm{N}}=3.15$ K, Dy$^{3+}$…

In this work, we present the first magnetization measurements of DyCo$_5$ single crystals in magnetic fields up to 14 T, spanning a temperature range up to 600 K. Our investigation reveals several unique features, including a significant…

We have studied a nearly stoichiometric insulating Y$_{0.97(2)}$Cr$_{0.98(2)}$O$_{3.00(2)}$ single crystal by performing measurements of magnetization, heat capacity, and neutron diffraction. Albeit that the YCrO$_3$ compound behaviors like…

Strongly Correlated Electrons · Physics 2020-09-23 Yinghao Zhu , Ying Fu , Bao Tu , Tao Li , Jun Miao , Qian Zhao , Si Wu , Junchao Xia , Pengfei Zhou , Ashfia Huq , Wolfgang Schmidt , Zikang Tang , Zhubing He , Hai-Feng Li

Multi-spins tunneling cross-relaxations in an ensemble of weakly-coupled Ho$^{3+}$ ions, mediated by weak anisotropic dipolar interactions, can be evidenced by ac-susceptibility measurements in a high temperature regime. Based on a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 R. Giraud , A. M. Tkachuk , B. Barbara

Y$_2$Co$_3$ is a newly discovered antiferromagnetic (AFM) compound with distorted kagome layers. Previous investigations via bulk magnetization measurements suggested a complex noncollinear magnetic behavior, with magnetic moments primarily…

We investigate theoretically and experimentally the static magnetic properties of single crystals of the molecular-based Single-Chain Magnet (SCM) of formula [Dy(hfac)$_{3}$NIT(C$_{6}$H$_{4}$OPh)]$_{\infty}$ comprising alternating Dy$^{3+}$…

Materials Science · Physics 2011-01-17 K. Bernot , J. Luzon , A. Caneschi , D. Gatteschi , R. Sessoli , L. Bogani , A. Vindigni , A. Rettori , M. G. Pini

Analysis of neutron diffraction, dc magnetization, ac magnetic susceptibility, heat capacity, and electrical resistivity for DyRuAsO in an applied magnetic field are presented at temperatures near and below those at which the structural…

Strongly Correlated Electrons · Physics 2015-06-22 Michael A. McGuire , V. Ovidiu Garlea , Andrew F. May , Brian C. Sales

Complex magneto structural behaviour of rare rich intermetallic Tb$_3$Co is reported in this study. Below the 84K (T$_N$), it undergoes a first order magnetic transition 72K confirmed from specific heat and magnetization measurements.…

Materials Science · Physics 2019-08-23 Srikanta Goswami , P. D. Babu , R. Rawat

Recently experimental techniques, such as magnetic force microscopy (MFM), have enabled the magnetic state of individual sub-micron particles to be resolved. Motivated by these experimental developments, we use Monte Carlo simulations of…

Condensed Matter · Physics 2009-10-28 Howard L. Richards , Scott W. Sides , Mark A. Novotny , Per Arne Rikvold

We study the magnetic relaxation of a system of localized spins interacting through weak dipole interactions, at a temperature large with respect to the ordering temperature but low with respect to the crystal field level splitting. The…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. Cuccoli , A. Fort , A. Rettori , E. Adam , J. Villain

We study the multiferroic properties in the distorted tetrahedral quasi-one dimensional spin system Cu$_3$Mo$_2$O$_9$, in which the effects of the low dimensionality and the magnetic frustration are expected to appear simultaneously. We…

Strongly Correlated Electrons · Physics 2015-06-03 T. Hosaka , S. Hachiuma , H. Kuroe , T. Sekine , M. Hase , K. Oka , T. Ito , H. Eisaki , M. Fujisawa , S. Okubo , H. Ohta

We have systematically investigated the magnetic properties and magnetocaloric effect (MCE) in $R$MnO$_3$ ($R$$=$Dy, Tb, Ho and Yb) single crystals. Above a critical value of applied field ($H_c$), $R$MnO$_3$ undergo a first-order…

Strongly Correlated Electrons · Physics 2011-12-23 A. Midya , S. N. Das , P. Mandal , S. Pandya , V. Ganesan

We present detailed magnetization and magneto-transport studies on the title compound SmCoAsO. In a recent paper we reported [1] the complex magnetism of this compound. SmCoAsO undergoes successive paramagnetic (PM) - ferro-magnetic (FM) -…

Superconductivity · Physics 2015-05-28 V. P. S. Awana , Anand Pal , Bhasker Gahtori , H. Kishan

Magnetism of Cu$_2$(OH)$_3$Br single crystals based on a triangular lattice is studied by means of magnetic susceptibility, pulsed-field magnetization, and specific heat measurements. There are two inequivalent Cu$^{2+}$ sites in an…

Strongly Correlated Electrons · Physics 2019-09-04 Z Y Zhao , H L Che , R Chen , J F Wang , X F Sun , Z Z He

The magnetization of amorphous DyCo3 and TbCo3 is studied by magnetometry, anomalous Hall effect and magneto-optic Kerr effect to understand the temperature-dependent magnetic structure. A square magnetic hysteresis loop with perpendicular…

Materials Science · Physics 2023-12-21 Zexiang Hu , Ajay Jha , Katarzyna Siewierska , Ross Smith , Karsten Rode , Plamen Stamenov , J. M. D. Coey

We report the results of ac and dc magnetic susceptibility (chi) and electrical resistivity (rho) measurements on the single crystals of Er2PdSi3, crystallizing in an AlB2-derived hexagonal structure, for two orientations H//[0001] and…

Strongly Correlated Electrons · Physics 2009-11-10 K. K. Iyer , P. L. Paulose , E. V. Sampathkumaran , M. Frontzek , A. Kreyssig , M. Doerr , M. Loewenhaupt , I. Mazilu , G. Behr , W. Loeser

In the effective Ising spin-1/2 antiferromagnetic chain system BaCo$_2$V$_2$O$_8, the magnetic-field influence is highly anisotropic. For magnetic fields along the easy axis $c$, the N\'{e}el order is strongly suppressed already for low…

Strongly Correlated Electrons · Physics 2015-06-15 S. K. Niesen , G. Kolland , M. Seher , O. Breunig , M. Valldor , M. Braden , B. Grenier , T. Lorenz

In this paper, we combine thermal effects with Landau-Zener (LZ) quantum tunneling effects in a dynamical Monte Carlo (DMC) framework to produce satisfactory magnetization curves of single-molecule magnet (SMM) systems. We use the giant…

Mesoscale and Nanoscale Physics · Physics 2010-10-14 Gui-Bin Liu , Bang-Gui Liu

We successfully synthesize single crystals of the verdazyl radical $\alpha$-2,3,5-Cl$_3$-V. $Ab$ $initio$ molecular orbital calculations indicate that the two dominant antiferromagnetic interactions, $J_{\rm{1}}$ and $J_{\rm{2}}$ ($\alpha…

Strongly Correlated Electrons · Physics 2017-06-26 Hironori Yamaguchi , Yusuke Tamekuni , Yoshiki Iwasaki , Rei Otsuka , Yuko Hosokoshi , Takanori Kida , Masayuki Hagiwara
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