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Related papers: Magnetic Torque in k-(BETS)2Mn[N(CN)2]3

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We investigate the magnetic properties of archetypal transition-metal oxides MnO, FeO, CoO and NiO under very high pressure by x-ray emission spectroscopy at the K\beta line. We observe a strong modification of the magnetism in the megabar…

Strongly Correlated Electrons · Physics 2009-11-11 A. Mattila , J. -P. Rueff , J. Badro , G. Vanko , A. Shukla

The increase in the resistivity with decreasing temperature followed by a drop by more than one order of magnitude is observed on the metallic side near the zero-magnetic-field metal-insulator transition in a strongly interacting…

The spin-torque in magnetic tunnel junctions possesses two components that both depend on the applied voltage. Here, we develop a new method for the accurate extraction of this bias-dependence from experiments over large voltage ranges. We…

Mesoscale and Nanoscale Physics · Physics 2016-07-01 Sören Boyn , João Sampaio , Vincent Cros , Julie Grollier , Akio Fukushima , Hitoshi Kubota , Kay Yakushiji , Shinji Yuasa

We measured the temperature dependence of the magnetic susceptibility and specific heat and the magnetic-field dependence of the magnetization of CuInVO$_5$. An antiferromagnetically ordered state appears below $T_{\rm N} = 2.7$ K. We…

Strongly Correlated Electrons · Physics 2016-12-21 Masashi Hase , Masashige Matsumoto , Akira Matsuo , Koichi Kindo

We investigate magnetic properties of the $s$ = 1/2 compound K$_{2}$Cu$_{3}$(MoO$_{4}$)$_{4}$ by combining magnetic susceptibility, magnetization, specific heat, and electron spin resonance (ESR) with density functional calculations. Its…

The presence of spin-orbit (SO) interaction in a noncentrosymmetric superconductor, La2C3 (T_c~11 K) is demonstrated by muon spin rotation (muSR) in its normal state, where muSR spectra exhibit field-induced weak depolarization due to van…

Superconductivity · Physics 2009-11-13 R. Kadono , M. Hiraishi , M. Miyazaki , K. H. Satoh , S. Takeshita , S. Kuroiwa , S. Saura , J. Akimitsu

We perform magnetic susceptibility and magnetic torque measurements on the organic $\kappa$-(BEDT-TTF)$_2$Hg(SCN)$_2$Br, which is recently suggested to host an exotic quantum dipole-liquid in its low-temperature insulating phase. Below the…

The antiferromagnetic (AFM) semimetal YbMnSb$_2$ has recently been identified as a candidate topological material, driven by time-reversal symmetry breaking. Depending on the ordered arrangement of Mn spins below the N\'{e}el temperature,…

We report on our 51V-NMR study of static and dynamical magnetic properties in the quasi-one-dimensional antiferromagnet BaCo2V2O8. Although the NMR spectrum shows well-defined antiferromagnetic (AF) order in the N\'eel ground state, the AF…

Strongly Correlated Electrons · Physics 2015-06-11 Yukiichi Ideta , Yu Kawasaki , Yutaka Kishimoto , Takashi Ohno , Yoshitaka Michihiro , Zhangzhen He , Yutaka Ueda , Mitsuru Itoh

Neutron scattering has been used to study the magnetic order and spin dynamics of the colossal magnetoresistive pyrochlore Tl_2Mn_2O_7. On cooling from the paramagnetic state, magnetic correlations develop and appear to diverge at T_C (123…

Strongly Correlated Electrons · Physics 2009-10-31 J. W. Lynn , L. Vasiliu-Doloc , M. A. Subramanian

The magnetic phase diagram and low-energy magnon excitations of structurally and magnetically chiral MnSb2O6 are reported. The specific heat and the static magnetization are investigated in magnetic fields up to 9 and 30 T, respectively,…

Strongly Correlated Electrons · Physics 2016-09-21 J. Werner , C. Koo , R. Klingeler , A. N. Vasiliev , Y. A. Ovchenkov , A. S. Polovkova , G. V. Raganyan , E. A. Zvereva

We report muon-spin rotation, heat capacity, magnetization, and ac magnetic susceptibility measurements of the layered spin-1/2 antiferromagnet NaNiO2. These show the onset of long-range magnetic order below T_N = 19.5K. Rapid muon…

Strongly Correlated Electrons · Physics 2010-07-08 P. J. Baker , T. Lancaster , S. J. Blundell , M. L. Brooks , W. Hayes , D. Prabhakaran , F. L. Pratt

The trigonal compound EuMg2Bi2 has recently been discussed in terms of its topological band properties. These are intertwined with its magnetic properties. Here detailed studies of the magnetic, thermal, and electronic transport properties…

Strongly Correlated Electrons · Physics 2020-07-01 Santanu Pakhira , M. A. Tanatar , D. C. Johnston

Motivated by recent observations of unconventional out-of-plane dampinglike torque in \ch{WTe2}/Permalloy bilayer systems, we calculate the spin-orbit torque generated in two-dimensional transition metal dichalcogenide (TMD)-ferromagnet…

Mesoscale and Nanoscale Physics · Physics 2020-07-07 Fei Xue , Christoph Rohmann , Junwen Li , Vivek Amin , Paul Haney

The magnetic properties of CaCo$_{2}$As$_{2}$ single crystal was systematically studied by using dc magnetization and magnetic torque measurements. A paramagnetic to antiferromagnetic transition occurs at $T_N$ = 74 K with Co spins being…

Superconductivity · Physics 2015-10-22 W. Zhang , K. Nadeem , H. Xiao , R. Yang , B. Xu , H. Yang , X. G. Qiu

We study the magnetic properties of metallic GaMnAs. We calculate the effective RKKY interaction between Mn spins using several realistic models for the valence band structure of GaAs. We also study the effect of positional disorder of the…

Materials Science · Physics 2007-05-23 Gregory A. Fiete , Gergely Zarand , Boldizsar Janko , Pawel Redlinski , C. Pascu Moca

For temperatures T well above the ordering temperature T*=3.0+-0.2K the magnetic properties of the metal-organic material Mn[C10H6(OH)(COO)]2x2H20 built from Mn^2+ ions and 3-hydroxy-2-naphthoic anions can be described by a S=5/2 quantum…

The recent discovery of magnetic topological insulators has opened new avenues to explore exotic states of matter that can emerge from the interplay between topological electronic states and magnetic degrees of freedom, be it ordered or…

Strongly Correlated Electrons · Physics 2022-02-03 A. Alfonsov , J. I. Facio , K. Mehlawat , A. G. Moghaddam , R. Ray , A. Zeugner , M. Richter , J. van den Brink , A. Isaeva , B. Büchner , V. Kataev

The S=2 anisotropic triangular lattice alpha-NaMnO2 is studied by neutron inelastic scattering. Antiferromagnetic order occurs at T ~ 45 K with opening of a spin gap. The spectral weight of the magnetic dynamics above the gap (Delta ~ 7.5…

Strongly Correlated Electrons · Physics 2015-05-13 C. Stock , L. C. Chapon , O. Adamopoulos , A. Lappas , M. Giot , J. W. Taylor , M. A. Green , C. M. Brown , P. G. Radaelli

Spin-phonon coupling originated from spin-lattice correlation depends upon different exchange interactions in transition metal oxides containing 3d magnetic ions. Spin-lattice coupling can influence the coupling mechanism in magnetoelectric…

Strongly Correlated Electrons · Physics 2021-09-09 P. Pal , Shalini Badola , P. K. Biswas , Ranjana R. Das , Surajit Saha , S. D. Kaushik , P. N. Vishwakarma , A. K. Singh
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