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Related papers: Magnetodielectric Response of the Spin-Ice Dy2Ti2O…

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The intrinsic noncollinear spin patterns in rare-earth pyrochlore are physically interesting, hosting many emergent properties, e.g. spin ice and monopole-type excitation. Recently, the magnetic monopole excitation of spin ice systems was…

Materials Science · Physics 2015-12-18 Lin Lin , Y. L. Xie , J. -J. Wen , Shuai Dong , Z. B. Yan , J. -M. Liu

The magnetocaloric effect of polycrystalline samples of pure and Y-doped dipolar spin ice Dy2Ti2O7 was investigated at temperatures from nominally 0.3 K to 6 K and in magnetic fields of up to 2 T. As well as being of intrinsic interest, it…

Soft Condensed Matter · Physics 2015-06-25 M. Orendac , J. Hanko , E. Cizmar , A. Orendacova , M. Shirai , S. T. Bramwell

We report magnetization and ac susceptibility of single crystals of the spin ice compound Dy2Ti2O7. Saturated moments at 1.8 K along the charasteristic axes [100] and [110] agree with the expected values for an effective ferromagnetic…

Strongly Correlated Electrons · Physics 2016-08-31 H. Fukazawa , R. G. Melko , R. Higashinaka , Y. Maeno , M. J. P. Gingras

The low temperature magnetic properties of pyrochlore compound Dy2Ti2O7 in magnetic fields applied along the [111] direction are reported. Below 1 K, a clear plateau has been observed in the magnetization process in the field range 2~9 kOe,…

Materials Science · Physics 2009-11-07 Kazuyuki Matsuhira , Zenji Hiroi , Takashi Tayama , Seishi Takagi , Toshiro Sakakibara

Magnetization and susceptibility studies on single crystals of the pyrochlore Ho$_{2}$Ti$_{2}$O$_{7}$ are reported for the first time. Magnetization isotherms are shown to be qualitatively similar to that predicted by the nearest neighbor…

Disordered Systems and Neural Networks · Physics 2009-11-07 A. L. Cornelius , J. S. Gardner

We report a study of the low temperature bulk magnetic properties of the spin ice compound Dy2Ti2O7 with particular attention to the (T < 4 K) spin freezing transition. While this transition is superficially similar to that in a spin glass,…

Materials Science · Physics 2007-05-23 J. Snyder , B. G. Ueland , J. S. Slusky , H. Karunadasa , R. J. Cava , P. Schiffer

We report vibrating coil magnetometry of the spin ice system Ho2Ti2O7 down to ~0.04 K for magnetic fields up to 5 T applied parallel to the [111] axis. History dependent behavior emerges below T*_0 ~ 0.6 K near zero magnetic field, in…

Strongly Correlated Electrons · Physics 2012-06-25 C. Krey , S. Legl , S. R. Dunsiger , M. Meven , J. S. Gardner , J. M. Roper , C. Pfleiderer

We report the low-temperature magnetothermal properties and spin dynamics of a mixed pyrochlore, Dy2GaSbO7 through the coordination of measurements of dc magnetization, ac susceptibility, and heat capacity, and CF computation. In Dy2GaSbO7,…

Materials Science · Physics 2021-04-19 Saikat Nandi , Yatramohan Jana , Jahangir Alam , Pallab Bag , S. S. Islam , Ramesh Nath

Neutron scattering, a.c. magnetic susceptibility and specific heat studies have been carried out on polycrystalline Dy2Zr2O7. Unlike the pyrochlore spin ice Dy2Ti2O7, Dy2Zr2O7 crystallizes into the fluorite structure and the magnetic Dy3+…

Disordered Systems and Neural Networks · Physics 2019-07-01 J. G. A. Ramon , C. W. Wang , L. Ishida , P. L. Bernardo , M. M. Leite , F. M. Vichi , J. S. Gardner , R. S. Freitas

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

We have investigated the magnetoelectric properties of (Ca$_{1-x}$Sr$_{x}$)$_2$CoSi$_2$O$_7$ ($0\leq x\leq 1$) crystals with a quasi-two-dimensional structure. In Ca$_2$CoSi$_2$O$_7$ ($x=0$), a canted antiferromagnetic transition occurs at…

Strongly Correlated Electrons · Physics 2015-05-14 M. Akaki , J. Tozawa , M. Hitomi , D. Akahoshi , H. Kuwahara

Low temperature measurements of the ac magnetic susceptibility along the [110] direction of a single crystal of the dipolar spin ice material Ho2Ti2O7, in zero static field, are presented. While behavior that is qualitatively consistent…

Materials Science · Physics 2015-05-27 J. A. Quilliam , L. R. Yaraskavitch , H. A. Dabkowska , B. D. Gaulin , J. B. Kycia

We have performed AC susceptibility and DC magnetic relaxation measurements on the spin ice system Dy$_2$Ti$_2$O$_7$ down to 0.08 K. The relaxation time of the magnetization has been estimated below 2 K down to 0.08 K. The spin dynamics of…

Strongly Correlated Electrons · Physics 2012-02-07 K. Matsuhira , C. Paulsen , E. Lhotel , C. Sekine , Z. Hiroi , S. Takagi

The origin of the lowest-temperature anomaly reported several years ago using a polycrystalline sample of the spin ice compound Dy2Ti2O7 had remained unresolved. Here we finally clarify its origin by susceptibility measurements down to 65…

Strongly Correlated Electrons · Physics 2009-11-11 Ryuji Higashinaka , Yoshiteru Maeno

We show that room temperature resistivity of Ba0.5Sr1.5Zn2Fe12O22 single crystals increases by more than three orders of magnitude upon being subjected to optimized heat treatments. The increase in the resistivity allows the determination…

Materials Science · Physics 2010-01-11 Y S Chai , S H Chun , S Y Haam , Y S Oh , Ingyu Kim , Kee Hoon Kim

Dy$_{2}$Zr$_{2}$O$_{7}$ a disordered pyrochlore system, exhibits the spin ice freezing under the application of magnetic field. Our studies suggest the stabilization of pyrochlore phase in Dy$_{2-x}$La$_{x}$Zr$_{2}$O$_{7}$ with the…

Strongly Correlated Electrons · Physics 2021-10-12 Sheetal , C. S. Yadav

We have studied the field-dependent ac magnetic susceptibility of single crystals of Dy2Ti2O7 spin ice along the [111] direction in the temperature range 1.8 K - 7 K. Our data reflect the onset of local spin ice order in the appearance of…

Strongly Correlated Electrons · Physics 2015-06-12 M. J. Matthews , C. Castelnovo , R. Moessner , S. A. Grigera , D. Prabhakaran , P. Schiffer

We present a parametric study of the diffuse magnetic scattering at (1/2,1/2,1/2) positions in reciprocal space, ascribed to a frozen antiferromagnetic spin ice state in single crystalline Tb2Ti2O7. Our high-resolution neutron scattering…

Strongly Correlated Electrons · Physics 2015-06-18 K. Fritsch , E. Kermarrec , K. A. Ross , Y. Qiu , J. R. D. Copley , D. Pomaranski , J. B. Kycia , H. A. Dabkowska , B. D. Gaulin

The dielectric behavior of the single crystals of the spin-chain system Ca3Co2O6, undergoing geometrically frustrated antiferromagnetic ordering below 25 K, has been investigated as a function of temperature and magnetic field (H) and…

Materials Science · Physics 2016-03-17 Tathamay Basu , Kartik K. Iyer , P. L. Paulose , E. V. Sampathkumaran

We report high resolution single crystal x-ray diffraction measurements of the frustrated pyrochlore magnet Tb2Ti2O7, collected using a novel low temperature pulsed magnet system. This instrument allows characterization of structural…

Strongly Correlated Electrons · Physics 2012-07-16 J. P. C. Ruff , Z. Islam , J. P. Clancy , K. A. Ross , H. Nojiri , Y. H. Matsuda , H. A. Dabkowska , A. D. Dabkowski , B. D. Gaulin
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