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Related papers: Retrieving CeB$_6$'s lost magnetic entropy

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In the immediate vicinity of the critical temperature (T$_c$) of a phase transition, there are fluctuations of the order parameter, which reside beyond the mean-field approximation. Such critical fluctuations usually occur in a very narrow…

Definitive determination of first order character of the magnetocaloric magnetic transition remains elusive. Here we use a microcalorimetry technique in two modes of operation to determine the contributions to entropy change from latent…

Measuring the specific heat of herbertsmithite single crystals in high magnetic fields (up to $34$ T) allows us to isolate the low-temperature kagome contribution while shifting away extrinsic Schottky-like contributions. The kagome…

Strongly Correlated Electrons · Physics 2022-01-24 Q. Barthélemy , A. Demuer , C. Marcenat , T. Klein , B. Bernu , L. Messio , M. Velázquez , E. Kermarrec , F. Bert , P. Mendels

A Ce-based metallic compound CeCoSi with a tetragonal structure exhibits successive phase transitions: the one whose order parameter is unidentified at T_0 = 12 K and the antiferromagnetic one at T_N = 9.4 K. We performed specific heat,…

Strongly Correlated Electrons · Physics 2022-10-06 Hiroyuki Hidaka , Shun Yanagiya , Eikai Hayasaka , Yuma Kaneko , Tatsuya Yanagisawa , Hiroshi Tanida , Hiroshi Amitsuka

We systematically demonstrate the temperature-dependent thermal transport properties in crystalline Ge$_2$Sb$_2$Te$_5$via first-principles density functional theory-informed linearized Boltzmann transport equation. The investigation,…

Materials Science · Physics 2023-12-18 Kanka Ghosh , Andrzej Kusiak , Jean-Luc Battaglia

The metamagnetic transition between the antiferromagnetic and paramagnetic state in UIrGe has been studied at various temperatures by magnetization, heat capacity and magnetocaloric-effect measurements on a single crystal in static and…

Specific heat ($C_V$) measurements in the spin-1/2 Cu$_2$(C$_2$H$_{12}$N$_2$)$_2$Cl$_4$ system under a magnetic field up to $H=8.25 T$ are reported and compared to the results of numerical calculations based on the 2-leg antiferromagnetic…

Strongly Correlated Electrons · Physics 2009-10-31 R. Calemczuk , J. Riera , D. Poilblanc , J. -P. Boucher , G. Chaboussant , L. Levy , O. Piovesana

We report a heat switch effect in single crystals of an antiferromagnet Co$_3$V$_2$O$_8$, that is, the thermal conductivity ($\kappa$) can be changed with magnetic field in an extremely large scale. Due to successive magnetic phase…

Strongly Correlated Electrons · Physics 2016-06-15 X. Zhao , J. C. Wu , Z. Y. Zhao , Z. Z. He , J. D. Song , J. Y. Zhao , X. G. Liu , X. F. Sun , X. G. Li

The intertwining between competing degrees of freedom, anisotropy, and frustration-induced quantum fluctuations offers an ideal ground to realize exotic quantum phenomena in the rare-earth-based kagome lattice. The magnetic susceptibility…

The low temperature phase of single crystals of Nd$_{0.5}$Ca$_{0.5}$MnO$_3$ and Gd$_{0.5}$Ca$_{0.5}$MnO$_3$ manganites is investigated by squid magnetometry. Nd$_{0.5}$Ca$_{0.5}$MnO$_3$ undergoes a charge-ordering transition at…

Materials Science · Physics 2016-08-31 R. Mathieu , P. Nordblad , A. R. Raju , C. N. R. Rao

The magnetic entropy of YbRh_2(Si_{0.95}Ge_{0.05})_2 is derived from low-temperature ($T\geq 18$ mK) specific heat measurements. Upon field-tuning the system to its antiferromagnetic quantum critical point unique temperature over magnetic…

Strongly Correlated Electrons · Physics 2009-11-10 P. Gegenwart , Y. Tokiwa , K. Neumaier , C. Geibel , F. Steglich

We present the results of magnetic measurements on Nd6Co(1.67)Si3, a compound recently reported to crystallize in a hexagonal structure (space group P6_3/m) and to undergo long range magnetic ordering below 84 K. The results reveal that the…

Strongly Correlated Electrons · Physics 2009-11-13 Niharika Mohapatra , S. Narayana Jammalamadaka , Sitikantha D. Das , E. V. Sampathkumaran

We present the low-temperature magnetic properties of two Yb$^{3+}$-based triangular lattice compounds NaSrYb(BO$_3$)$_2$ and K$_3$YbSi$_2$O$_7$ via thermodynamic measurements followed by crystal electric field (CEF) calculations.…

Materials Science · Physics 2025-01-27 S. Guchhait , R. Kolay , A. Magar , R. Nath

Measurements of magnetic susceptibility, heat capacity and thermal expansion are reported for single crystalline CuSb$_{2}$O$_{6}$ in the temperature range $5<T<350$ K. The magnetic susceptibility exhibits a broad peak centered near 60 K…

Strongly Correlated Electrons · Physics 2015-06-16 A. Rebello , M. G. Smith , J. J. Neumeier , B. D. White , Yi-Kuo Yu

The inverse magnetocaloric effect taking place at the antiferro-to-ferromagnetic transition of (Co,Fe)MnP phosphides has been characterized by magnetic and direct {\Delta}Tad measurements. In Co0.53Fe0.47MnP, entropy change of 1.5 Jkg-1K-1…

Materials Science · Physics 2015-06-17 F. Guillou , E. Brueck

Magnetoresistance and magnetocaloric properties of polycrystalline HoRhGe have been studied. This compound orders antiferromagnetically with a Neel temperature (TN) of 5.5 K and undergoes a first order metamagnetic transition at 2 K. It…

Strongly Correlated Electrons · Physics 2019-09-19 Sachin B. Gupta , K. G. Suresh , A. K. Nigam

The pseudo-one dimensional brannerite type compound CoV2O6 has been studied by magnetisation and heat capacity measurements in the temperature range 1.8 < T < 300 K and in applied fields of up to 9 T. Our measurements show an unusual…

Strongly Correlated Electrons · Physics 2008-04-21 Simon A. J. Kimber , Dimitri N. Argyriou , J. Paul Attfield

In order to test the recently proposed connection between the neutron resonance and the specific heat anomaly in cuprates, the experimental specific heat data on $YBa_2Cu_3O_{6.93}$ and a theoretical estimate of the single particle…

Superconductivity · Physics 2007-05-23 Boldizsar Janko

Low-temperature specific heat and its field-dependence up to 16 T was measured in a stoichiometric single crystal of YbP. A sharp peak was observed at {\it T}$_{\rm N}$ = 0.53 K in zero magnetic field. Application of external field seems to…

Strongly Correlated Electrons · Physics 2009-11-07 N. Tateiwa , T. C. Kobayashi , K. Amaya , D. X. Li , Y. Shiokawa , T. Suzuki

In contrast to magnetic order formed by electrons' dipolar moments, ordering phenomena associated with higher-order multipoles (quadrupoles, octupoles, etc.) are more difficult to characterize because of the limited choice of experimental…