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Related papers: Specific Heat of Kagome Ice in the Pyrochlore Oxid…

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We report the specific heat of single crystals of the spin ice compound Dy$_2$Ti$_2$O$_7$ at temperatures down to 100 mK in the so-called Kagome ice state. In our previous paper, we showed the anisotropic release of residual entropy in…

Strongly Correlated Electrons · Physics 2009-11-10 Ryuji Higashinaka , Hideto Fukazawa , Kazuhiko , Yoshiteru Maeno

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

The search for two dimensional quantum spin liquids, exotic magnetic states with an entangled ground state remaining disordered down to zero temperature, has been a great challenge in frustrated magnetism during the last decades. Recently,…

Strongly Correlated Electrons · Physics 2018-10-15 E. Lhotel , S. Petit , M. Ciomaga Hatnean , J. Ollivier , H. Mutka , E. Ressouche , M. R. Lees , G. Balakrishnan

We report the specific heat and entropy of single crystals of the spin ice compound Dy2Ti2O7 at temperatures down to 0.35 K. We apply magnetic fields along the four characteristic directions: [100], [110], [111] and [112]. Because of Ising…

Strongly Correlated Electrons · Physics 2009-11-10 Ryuji Higashinaka , Hideto Fukazawa , Yoshiteru Maeno

We have investigated the kagom\'{e} ice state in the frustrated pyrochlore oxide Dy_{2}Ti_{2}O_{7} under magnetic field along a [111] axis. Spin correlations have been measured by neutron scattering and analyzed by Monte-Carlo simulation.…

Disordered Systems and Neural Networks · Physics 2007-05-23 Y. Tabata , H. Kadowaki , K. Matsuhira , Z. Hiroi , N. Aso , E. Ressouche , B. Fak

A new model of localized highly frustrated ferromagnetism is presented: kagome spin ice. By use of analytical and Monte Carlo calculations its massive groundstate entropy is evaluated. Monte Carlo calculations are also used to explore the…

Materials Science · Physics 2007-05-23 A. S. Wills , R. Ballou , C. Lacroix

We have investigated the kagom\'{e} ice behavior of the dipolar spin-ice compound Dy_{2}Ti_{2}O_{7} in magnetic field along a [111] direction using neutron scattering and Monte Carlo simulations. The spin correlations show that the…

Disordered Systems and Neural Networks · Physics 2007-05-23 Y. Tabata , H. Kadowaki , K. Matsuhira , Z. Hiroi , N. Aso , E. Ressouche , B. Fak

Spin ice, a peculiar thermal state of a frustrated ferromagnet on the pyrochlore lattice, has a finite entropy density and excitations carrying magnetic charge. By combining analytical arguments and Monte Carlo simulations, we show that…

Strongly Correlated Electrons · Physics 2011-05-24 Gia-Wei Chern , Paula Mellado , O. Tchernyshyov

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

Quantum spin ice, modeled for magnetic rare-earth pyrochlores, has attracted great interest for hosting a U(1) quantum spin liquid, which involves spin-ice monopoles as gapped deconfined spinons, as well as gapless excitations analogous to…

Strongly Correlated Electrons · Physics 2017-12-06 Troels Arnfred Bojesen , Shigeki Onoda

Dy$_2$Ti$_2$O$_7$ is at present the cleanest example of a spin-ice material. Previous theoretical and experimental work on the first-order transition between the kagome-ice and the fully polarized state has been taken as a validation for…

Statistical Mechanics · Physics 2015-11-18 S. A. Grigera , R. Borzi , D. G. Slobinsky , A. S. Gibbs , R. Higashinaka , Y. Maeno , T. S. Grigera

Motivated by the observation of partial magnetic order in kagome-based magnets, we study the classical kagome Ising antiferromagnet, known as kagome spin ice, including further-neighbor interactions at zero and finite temperature. While the…

Strongly Correlated Electrons · Physics 2024-06-04 Eric C. Andrade , Matthias Vojta

The third law of thermodynamics dictates that the entropy of a system in thermal equilibrium goes to zero as its temperature approaches absolute zero. In ice, however, a "zero point" or residual entropy can be measured - attributable to a…

Strongly Correlated Electrons · Physics 2015-06-25 G. C. Lau , R. S. Freitas , B. G. Ueland , B. D. Muegge , E. L. Duncan , P. Schiffer , R. J. Cava

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

In this letter, we report on the single crystal growth and physical characterization of the distorted kagom\'{e} system Pr$_3$Ga$_5$SiO$_{14}$. It is found that at zero magnetic field the system shows no magnetic order down to 0.035 K and…

Strongly Correlated Electrons · Physics 2008-08-22 H. D. Zhou , C. R. Wiebe , L. Balicas , Y. -J. Jo , Y. Takano , M. J. Case , Y. Qiu , J. R. D. Copley , J. S. Gardner

The hole-doped kagome lattice of Cu2+ ions in LaCuO2.66 was investigated by nuclear quadrupole resonance (NQR), electron spin resonance (ESR), electrical resistivity, bulk magnetization and specific heat measurements. For temperatures above…

Strongly Correlated Electrons · Physics 2013-09-05 M. -H. Julien , V. Simonet , B. Canals , R. Ballou , A. K. Hassan , M. Affronte , V. O. Garlea , C. Darie , P. Bordet

We investigate experimentally magnetic frustration effects in thermally active artificial kagome spin ice. Starting from a paramagnetic state, the system is cooled down below the Curie temperature of the constituent material. The resulting…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 I. A. Chioar , B. Canals , D. Lacour , M. Hehn , B. Santos Burgos , T. O. Mentes , A. Locatelli , F. Montaigne , N. Rougemaille

Excitations from a strongly frustrated system, the kagome ice state of the spin ice Dy2Ti2O7 under magnetic fields along a [111] direction, have been studied. They are theoretically proposed to be regarded as magnetic monopoles. Neutron…

Disordered Systems and Neural Networks · Physics 2009-10-15 Hiroaki Kadowaki , Naohiro Doi , Yuji Aoki , Yoshikazu Tabata , Taku J. Sato , Jeffrey W. Lynn , Kazuyuki Matsuhira , Zenji Hiroi

Complex disordered states - from liquids and glasses to exotic quantum matter - are ubiquitous in nature. Their key properties include finite entropy, power-law correlations and emergent organising principles. In spin ice, spin correlations…

Other Condensed Matter · Physics 2007-08-24 T. Fennell , S. T. Bramwell , D. F. McMorrow , P. Manuel

We report on the non-equilibrium monopole dynamics in the classical spin ice Dy$_2$Ti$_2$O$_7$ detected by means of high-resolution magnetostriction measurements. Significant lattice changes occur at the transition from the kagome-ice to…

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