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Related papers: NaCaNi2F7: A frustrated high temperature pyrochlor…

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The frustrated pyrochlore antiferromagnet Gd$_{2}$Ti$_{2}$O$_{7}$ has an unusual partially-ordered magnetic structure at the lowest measurable temperatures. This structure is currently believed to involve four magnetic propagation vectors…

Magnetic pyrochlores with non-Kramers rare-earth ions provide a platform for exploring emergent gauge physics and quantum spin-ice behavior, yet the influence of structural disorder on their ground states remains insufficiently understood.…

We report the crystal structure, magnetization and neutron scattering measurements on the double perovskite Ba$_2$YOsO$_6$. The $Fm\overline{3}m$ space group is found both at 290~K and 3.5~K with cell constants $a_0 = 8.3541(4)$~{\AA} and…

We report low temperature (1.8-15 K) ac magnetic susceptibility and isothermal remanent magnetization behavior for the single crystalline form of Dy2PdSi3, crystallizing in a AlB2-derived hexagonal structure, for two orientations. The…

Strongly Correlated Electrons · Physics 2007-05-23 K. K. Iyer , P. L. Paulose , E. V. Sampathkumaran , H. Bitterlich , G. Behr , Loeser

We report here the properties of single crystals of La$_2$Ni$_2$In. Electrical resistivity and specific heat measurements concur with the results of Density Functional Theory (DFT) calculations, finding that La$_{2}$Ni$_{2}$In is a weakly…

Superconductivity · Physics 2020-10-21 Jannis Maiwald , Igor I. Mazin , Alex Gurevich , Meigan Aronson

Envisaging antiferromagnetic spintronics pivots on two key criteria of high transition temperature and tuning of underlying magnetic order using straightforward application of magnetic field or electric current. Here, we show that NiSi…

Materials Science · Physics 2023-05-03 P. Ghosh , J. Guo , F. Ye , T. Heitmann , S. Kelley , A. Ernst , V. Dugaev , D. K. Singh

Dy2Ti2O7 is a geometrically frustrated magnetic material with a strongly correlated spin ice regime that extends from 1 K down to as low as 60 mK. The diffuse elastic neutron scattering intensities in the spin ice regime can be remarkably…

Statistical Mechanics · Physics 2008-08-02 Taras Yavors'kii , Tom Fennell , Michel J. P. Gingras , Steven T. Bramwell

Tb2Ti2O7 is a pyrochlore antiferromagnet that has dynamical spins and only short-range correlations even at 50 mK; the lowest temperature explored so far, which is much smaller than the scale set by the Curie-Weiss temperature T_{CW}~14 K.…

Statistical Mechanics · Physics 2009-12-16 Hamid R. Molavian , Paul A. McClarty , Michel J. P. Gingras

Several x-compositions of the polycrystalline Dy3-xYxTaO7 system, crystallizing in the weberite-type structure, were synthesized and structurally characterized using Rietveld refinements based on X-ray diffraction data. In previous magnetic…

Materials Science · Physics 2014-05-22 J. Francisco Gomez-Garcia , Roberto Escudero , Gustavo Tavizon

We report both experimental and theoretical investigations of the physical properties of Ba$_\mathrm{2}$Mn$_\mathrm{2}$Sb$_\mathrm{2}$O single crystals. This material exhibits a hexagonal structure with lattice constants: a = 4.7029(15)…

Strongly Correlated Electrons · Physics 2012-12-05 J. Li , C. E. Ekuma , I. Vekhter , M. Jarrell , J. Moreno , S. Stadler , A. B. Karki , R. Jin

Using muon-spin-relaxation measurements we show that the pyrochlore compound Gd2Ti2O7, in its magnetically orderered phase below ~ 1 K, displays persistent spin dynamics down to temperatures as low as 20 mK. The characteristics of the…

Strongly Correlated Electrons · Physics 2007-05-23 A. Yaouanc , P. Dalmas de Reotier , V. Glazkov , C. Marin , P. Bonville , J. A. Hodges , P. C. M. Gubbens , S. Sakarya , C. Baines

Dynamic magnetic properties of $\mathrm{Y_{0.7}Ca_{0.3}MnO_{3}}$ are reported. The system appears to attain local ferromagnetic order at $T_{\mathrm{SRF}} \approx 70$ K. Below this temperature the low field magnetization becomes history…

Materials Science · Physics 2009-10-31 R. Mathieu , P. Nordblad , D. N. H. Nam , N. X. Phuc , N. V. Khiem

Partially-ordered magnets are distinct from both spin liquids and conventional ordered magnets because order and disorder coexist in the same magnetic phase. Here, we determine the nature of partial order in the canonical frustrated…

We report single crystal growth of the reentrant superconductor Tm_2Fe_3Si_5, and measurements of the anisotropic static magnetic susceptibility \chi(T) and isothermal magnetization M(H), ac susceptibility \chi_ac(T), electrical resistivity…

Strongly Correlated Electrons · Physics 2009-11-13 Yogesh Singh , S. Ramakrishnan

We present an experimental determination of the isothermal magnetic susceptibility of the spin ice materials Dy2Ti2O7 and Ho2Ti2O7 in the temperature range 1.8-300 K. The use of spherical crystals has allowed the accurate correction for…

Strongly Correlated Electrons · Physics 2013-09-02 L. Bovo , L. D. C. Jaubert , P. C. W. Holdsworth , S. T. Bramwell

We report on refined experimental results concerning the low-temperature specific heat of the frustrated spin tube material [(CuCl2tachH)3Cl]Cl2. This substance turns out to be an unusually perfect spin tube system which allows to study the…

Strongly Correlated Electrons · Physics 2010-08-30 N. B. Ivanov , J. Schnack , R. Schnalle , J. Richter , P. Koegerler , G. N. Newton , L. Cronin , Y. Oshima , Hiroyuki Nojiri

The intermetallic compound Nd$_2$Co$_{0.85}$Si$_{2.88}$ having a triangular lattice could be synthesized in single-phase only with defect crystal structure. Investigation through different experimental techniques indicate the presence of…

Frustrated systems exhibit remarkable properties due to the high degeneracy of their ground states. Stabilised by competing interactions, a rich diversity of typically nanometre-sized phase structures appear in polymer and colloidal…

We report the low temperature magnetic properties of the pyrochlore Pr$_2$Hf$_2$O$_7$. Polycrystalline and single-crystal samples are investigated using time-of-flight neutron spectroscopy and macroscopic measurements, respectively. The…

We present a comprehensive investigation of the intricate spin dynamics in the non-centrosymmetric compound Sm$_7$Pd$_3$, revealing the coexistence of spin glass, domain glass, and ferromagnetic (FM) behaviors. Magnetic field-dependent…

Materials Science · Physics 2025-05-15 Ajay Kumar , Anis Biswas , Yaroslav Mudryk