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Related papers: Triplon Localization Effect in Tl_{1-x}$K_xCuCl_3

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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

We report on a 59Co NMR investigation of the trigonal cobaltate Ca3Co2O6 carried out on a single crystal, providing precise determinations of the electric field gradient and chemical shift tensors, and of the internal magnetic fields at the…

Strongly Correlated Electrons · Physics 2015-05-20 G. Allodi , R. De Renzi , S. Agrestini , C. Mazzoli , M. R. Lees

The infinite-range-interaction Ising spin glass is considered in the presence of an external random magnetic field following a trimodal (three-peak) distribution. The model is studied through the replica method and phase diagrams are…

Statistical Mechanics · Physics 2009-10-31 J. M. de Araujo , F. D. Nobre , F. A. da Costa

Zero-field muon-spin-relaxation (ZF-{\boldmath $\mu$}SR) measurements were carried out down to 80 mK on the randomness bond system Tl$_{1-x}$K$_x$CuCl$_3$ with $x$ = 0.44. Time spectra are well fitted by the stretched exponential function…

Strongly Correlated Electrons · Physics 2009-11-13 Takao Suzuki , Fumiko Yamada , Isao Watanabe , Takayuki Goto , Akira Oosawa , Hidekazu Tanaka

The 2D layered insulator $\alpha$-RuCl$_3$ is a candidate material for a quantum spin-liquid state, which may be realized when a magnetic field suppresses the antiferromagnetic order present at low temperature. Oscillations in the field…

Strongly Correlated Electrons · Physics 2023-02-10 Étienne Lefrançois , Jordan Baglo , Quentin Barthélemy , Subin Kim , Young-June Kim , Louis Taillefer

CsFeBr$_3$ is an $S\,{=}\,1$ hexagonal antiferromagnet that has a singlet ground state owing to its large easy-plane single-ion anisotropy. The critical behavior of the magnetic-field-induced phase transition for a magnetic field parallel…

Strongly Correlated Electrons · Physics 2017-10-11 Kazuki Shirasawa , Nobuyuki Kurita , Hidekazu Tanaka

X-ray resonant magnetic scattering studies of rare earth magnetic ordering were performed on perovskite manganites RMnO3 (R = Dy, Gd) in an applied magnetic field. The data reveal that the field-induced three-fold polarization enhancement…

Field-induced magnetic order has been investigated in detail in the interacting spin 3/2 dimer system Cs_3Cr_2Br_9. Elastic and inelastic neutron scattering measurements were performed up to H = 6 T, well above the critical field H_c1 = 1.5…

Strongly Correlated Electrons · Physics 2009-11-10 B. Grenier , Y. Inagaki , L. P. Regnault , A. Wildes , T. Asano , Y. Ajiro , E. Lhotel , C. Paulsen , T. Ziman , J. P. Boucher

We studied phase transitions and thermodynamic properties of the field-induced antiferromagnetic nuclear-spin ordered phase in bcc solid 3He by measuring the melting pressure at temperatures down to 0.4 mK in magnetic fields up to 15 T. The…

Strongly Correlated Electrons · Physics 2007-05-23 Hiroshi Fukuyama , K. Yawata , T. Momoi , H. Ikegami , H. Ishimoto

Starting from a phenomenological standard energy functional to describe the condensation of a dilute gas of bosonic quasiparticles in magnetic insulators, we find that the inclusion of a perturbation term that explicitly violates the axial…

Strongly Correlated Electrons · Physics 2012-12-18 A. Schilling

Mixed halide chemistry has recently been utilized to tune the intrinsic magnetic properties of transition-metal halides $-$ one of the largest families of magnetic van der Waals materials. Prior studies have shown that the strength of…

The spin-orbit assisted Mott insulator $\alpha$-RuCl$_3$ is a prime candidate for material realization of the Kitaev quantum spin liquid. While little attention has been paid to charge degrees of freedom, charge effects, such as electric…

We report the magnetoresistance in the novel spin-triplet superconductor UTe2 under pressure close to the critical pressure Pc, where the superconducting phase terminates, for field along the three a, b and c-axes in the orthorhombic…

This work addresses the effect of substituting Mn$^{3+}$ by Fe$^{3+}$ at the octahedral site of TbMnO$_3$ on the magnetic phase sequence, ferroelectric and magnetoelectric properties, keeping the Fe$^{3+}$ concentration below 5%. The…

Strongly Correlated Electrons · Physics 2017-05-29 R. Vilarinho , E. Queiros , D. J. Passos , D. A. Mota , P. B. Tavares , M. Mihalik , M. Zentkova , M. Mihalik , A. Almeida , J. Agostinho Moreira

The novel field-induced re-entrant phase in multiferroic hexagonal HoMnO3 is investigated to lower temperatures by dc magnetization, ac susceptibility, and specific heat measurements at various magnetic fields. Two new phases have been…

Strongly Correlated Electrons · Physics 2009-11-10 B. Lorenz , F. Yen , M. M. Gospodinov , C. W. Chu

Here, a magnetic model with an unprecedentedly large number of parameters was determined from first-principles calculations for transition-metal phosphorus trisulfides (TMPS$_3$'s), which reproduced the measured magnetic ground states of…

Materials Science · Physics 2021-12-14 Tae Yun Kim , Cheol-Hwan Park

The magnetic order-disorder layering transitions of a spin-1 Ising model are investigated, under the effect of a variable surface crystal field $\Delta_{s}$, using the mean field theory. Each layer $k$, of the film formed with $N$ layers,…

Soft Condensed Matter · Physics 2009-11-07 L. Bahmad , A. Benyoussef , H. Ez-Zahraouy

Thermodynamics of spin dimer system BaCuSi_2O_6 is studied using a quantum Monte Carlo calculation (QMC) and a bond-operator mean field theory. We propose that a new type of boson, which, rather than being hard-core, allows up to two…

Other Condensed Matter · Physics 2009-11-11 Kwai-Kong Ng , Ting-Kuo Lee

In contrast to ordinary ferroelectrics where the temperature, Tm, of the permittivity maximum monotonically increases with bias field, E, in (1-x)PbMg1/3Nb2/3O3-(x)PbTiO3 (0<x<0.35) single crystals, Tm was found to remain constant or…

Magnetic-field-induced phase transitions are investigated in the frustrated gapped quantum paramagnet Rb$_{2}$Cu$_{2}$Mo$_3$O$_{12}$ through dielectric and calorimetric measurements on single-crystal samples. It is clarified that the…

Strongly Correlated Electrons · Physics 2021-07-19 S. Hayashida , L. Huberich , D. Flavián , Z. Yan , K. Yu. Povarov , S. Gvasaliya , A. Zheludev
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