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Related papers: Singlet-triplet Crossover in the Two-dimensional D…

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We report that the major features in the temperature dependence of dc and ac magnetization of a well-known spin-chain compound, Ca3Co2O6, which has been known to exhibit two complex magnetic transitions due to geometrical frustration (one…

Strongly Correlated Electrons · Physics 2015-05-13 Niharika Mohapatra , Kartik K Iyer , Sitikantha D Das , B. A. Chalke , S. C. Purandare , E. V. Sampathkumaran

Temperature dependence of the X-ray absorption near-edge structure (XANES) spectra at the Pr $L_{3}$- and Tb $L_{3}$-edges was measured for the (Pr$_{1-y}$Tb$_{y})_{0.7}$Ca$_{0.3}$CoO$_{3}$ system, in which a metal-insulator (MI) and…

Materials Science · Physics 2013-05-01 H. Fujishiro , T. Naito , D. Takeda , N. Yoshida , T. Watanabe , K. Nitta , J. Hejtmanek , K. Knizek , Z. Jirak

Thermal properties of the $S=1/2$ kagome Heisenberg antiferromagnet at low temperatures are investigated by means of the Hams-de Raedt method for clusters of up to 36 sites possessing a full symmetry of the lattice. The specific heat…

Strongly Correlated Electrons · Physics 2016-10-26 Tokuro Shimokawa , Hikaru Kawamura

We have synthesized high-quality single crystal samples of the erbium-based triangular lattice compound Ba3Er(BO3)3. Thermal and magnetic measurements reveal large anisotropy and a possible phase transition at 100 mK. The low-temperature…

We experimentally study magnetization reversal curves for MnTe single crystals, which is the altermagnetic candidate. Above 85~K temperature, we confirm the antiferromagnetic behavior of magnetization $M$, which is known for $\alpha$--MnTe.…

Mesoscale and Nanoscale Physics · Physics 2024-10-17 N. N. Orlova , A. A. Avakyants , A. V. Timonina , N. N. Kolesnikov , E. V. Deviatov

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…

The $4f$-electron system YbAl$_3$C$_3$ with a non-magnetic spin-dimer ground state has been studied by neutron diffraction in an applied magnetic field. A long-range magnetic order involving both ferromagnetic and antiferromagnetic…

Strongly Correlated Electrons · Physics 2015-06-15 D. D. Khalyavin , D. T. Adroja , P. Manuel , A. Daoud-Aladine , M. Kosaka , K. Kondo , K. A. McEwen , J. H. Pixley , Qimiao Si

Magnetic properties of a sigma-phase Fe60V40 intermetallic compound were studied by means of ac and dc magnetic susceptibility and magnetocaloric effect measurements. The compound is a soft magnet yet it was found to behave like a…

Strongly Correlated Electrons · Physics 2017-02-28 M. Balanda , S. M. Dubiel , R. Pelka

We show that a critical temperature Tc for spin-singlet two-dimensional superconductivity is enhanced by a cooperation between the Zeeman magnetic field and the Rashba spin-orbit coupling, where a superconductivity becomes topologically…

Superconductivity · Physics 2016-06-29 Yuki Nagai , Shintaro Hoshino , Yukihiro Ota

The chiral helimagnet Cr1/3NbS2 has been investigated by magnetic, transport and thermal properties measurements on single crystals and by first principles electronic structure calculations. From the measured field and temperature…

Strongly Correlated Electrons · Physics 2015-03-25 N. J. Ghimire , M. A. McGuire , D. S. Parker , B. Sipos , S. Tang , J. -Q. Yan , B. C. Sales , D. Mandrus

The previtreous dynamics in glass forming monomer, glycerol monoacrylate (GMA), using broadband dielectric spectroscopy (BDS) was tested. Measurements revealed the clear dynamic crossover at temperature $T_B = 254$ K and the time scale…

We study isothermal magnetization processes in the Cu-Al-Mn intermetallic alloy. Hysteresis is observed at temperatures below the spin-freezing of the system. The characteristics of the hysteresis cycles as a function of temperature and Mn…

Materials Science · Physics 2009-10-31 Eduard Obrado , Eduard Vives , Antoni Planes

Temperature-dependent x-ray diffraction of the low-dimensional spin 1/2 quantum magnet TiOCl shows that the phase transition at T_{c2} = 90 K corresponds to a lowering of the lattice symmetry. Below T_{c1} = 66 K a twofold superstructure…

Materials Science · Physics 2009-11-11 M. Shaz , S. van Smaalen , L. Palatinus , M. Hoinkis , M. Klemm , S. Horn , R. Claessen

The role of spin orbit interaction in superconducting proximity effect is an area of intense research effort. Recent theoretical and experimental works investigate the possible role of spin-orbit interaction in generating spin-triplet pair…

We study the three-dimensional quantum Ising spin glass in a transverse magnetic field following the evolution of the bond probability distribution under Renormalisation Group transformations. The phase diagram (critical temperature $T_c$…

Condensed Matter · Physics 2009-10-22 Beatriz Boechat , Raimundo R. dos Santos , M. A. Continentino

Measurements of the heat capacity C(T,H) of the one-dimensional quantum magnet TiOCl are presented for temperatures 2K < T < 300K and magnetic fields up to 5T. Distinct anomalies at 91K and 67K signal two subsequent phase transitions. The…

Strongly Correlated Electrons · Physics 2007-05-23 J. Hemberger , M. Hoinkis , M. Klemm , M. Sing , R. Claessen , S. Horn , A. Loidl

The static and dynamic magnetic properties of an $S=1/2$ stacked triangular antiferromagnet RbCuCl$_{3}$ with a helical spin structure due to lattice distortion were investigated by susceptibility, high-field magnetization process and ESR…

Strongly Correlated Electrons · Physics 2009-10-31 S. Maruyama , H. Tanaka , Y. Narumi , K. Kindo , H. Nojiri , M. Motokawa , K. Nagata

We have reinvestigated the magnetic properties of the classical metallic helimagnet MnP by magnetization and neutron scattering experiments. Our neutron scattering results indicate that the previously reported magnetic structure in the…

Precise magnetic hysteresis measurements of small single crystals of Mn$_{12}$ acetate of spin 10 have been conducted down to 0.4 K using a high sensitivity Hall magnetometer. At higher temperature (>1.6K) step-like changes in magnetization…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Andrew D. Kent , Yicheng Zhong , Louisa Bokacheva , Daniel Ruiz , David N. Hendrickson , M. P. Sarachik

The magnetic susceptibility and electrical resistivity of n-type BaTi{1-x}Nb{x}O3 have been measured over a wide temperature range. It is found that, for 0 < x < 0.2, dopant electrons form immobile spin singlet small bipolarons with binding…

Strongly Correlated Electrons · Physics 2012-04-27 T. Kolodiazhnyi , S. C. Wimbush
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