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Related papers: Specific heat of heavy fermion CePd2Si2 in high ma…

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We report specific heat measurements on a high quality single crystal of the heavy-fermion compound CePt$_2$In$_7$ in magnetic fields up to 27 T. The zero-field specific heat data above the N\'{e}el temperature, $T_N$, suggest a moderately…

Strongly Correlated Electrons · Physics 2016-02-23 Y. Krupko , A. Demuer , S. Ota , Y. Hirose , R. Settai , I. Sheikin

Measurements of specific heat between 80 mK to 4 K and electrical resistivity between 80 mK to 10 K were carried out for polycrystalline CePt3Si samples cut into small pieces (typically $\sim $10 mg). In the specific heat measurements, we…

Strongly Correlated Electrons · Physics 2009-11-13 Gaku Motoyama , Katsuhiro Maeda , Yasukage Oda

The antiferromagnetic heavy-fermion compound Ce$_2$RhIn$_8$ belongs to the same family and bears similarities with the well-studied prototypical material CeRhIn$_5$, which demonstrates a unique behavior under applied magnetic field. Here,…

Strongly Correlated Electrons · Physics 2025-05-19 T. Klein , C. Marcenat , A. Demuer , J. Sarrade , D. Aoki , I. Sheikin

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

We report low-temperature specific heat measurements in magnetic fields up to 12 T applied parallel and perpendicular to the tetragonal c-axis of the heavy fermion superconductor Ce$_2$PdIn$_8$. In contrast to its quasi-two-dimensional (2D)…

Strongly Correlated Electrons · Physics 2013-06-25 Y. Tokiwa , P. Gegenwart , D. Gnida , D. Kaczorowski

An antiferromagnetic transition is observed in single crystal EuRh2As2 at a high temperature T_N = 47 K compared to the ferromagnetic Weiss temperature theta = 12 K. We show that this is, surprisingly, consistent with mean field theory. A…

Strongly Correlated Electrons · Physics 2010-11-12 Yogesh Singh , Y. Lee , B. N. Harmon , D. C. Johnston

Transport, magnetic and thermal properties at high magnetic fields (H) and low temperatures (T) of the heavy fermion compound CeAuSb_2 are reported. At H=0 this layered system exhibits antiferromagnetic order below T_N = 6 K. Applying B…

Strongly Correlated Electrons · Physics 2009-11-10 L. Balicas , S. Nakatsuji , H. Lee , P. Schlottmann , T. P. Murphy , Z. Fisk

We have measured the field-dependent heat capacity in the tetragonal antiferromagnets CeRhIn$_{5}$ and Ce$_{2}$RhIn$_{8}$, both of which have an enhanced value of the electronic specific heat coefficient $\gamma \sim 400$ mJ/mol-Ce K$^{2}$…

Strongly Correlated Electrons · Physics 2009-11-07 A. L. Cornelius , P. G. Pagliuso , M. F. Hundley , J. L. Sarrao

A study of the antiferromagnet CeRh$_2$Si$_2$ by torque, magnetostriction, and transport in pulsed magnetic fields up to 50 Tesla and by thermal expansion in static fields up to 13 Tesla is presented. The magnetic field-temperature phase…

Strongly Correlated Electrons · Physics 2010-03-16 W. Knafo , D. Aoki , D. Vignolles , B. Vignolle , Y. Klein , C. Jaudet , A. Villaume , C. Proust , J. Flouquet

The heavy fermion compound YbRh$_2$Si$_2$ is studied by low-temperature magnetization $M(T)$ and specific-heat $C(T)$ measurements at magnetic fields close to the quantum critical point ($H_c=0.06$ T, $H\perp c$). Upon approaching the…

Strongly Correlated Electrons · Physics 2009-02-16 Y. Tokiwa , T. Radu , P. Gegenwart , C. Geibel , F. Steglich

The heavy fermion antiferromagnet CeNiGe2 was investigated under pressure by resistivity and ac calorimetry up to 4 GPa and down to 40 mK. The two magnetic transitions found in both resistivity and specific heat at 0.1 GPa at T_N1=3.95 and…

Strongly Correlated Electrons · Physics 2009-02-02 A. T. Holmes , T. Muramatsu , D. Kaczorowski , Z. Bukowski , T. Kagayama , K. Shimizu

The f-electron compound CeAuSb2, which crystallizes in the ZrCuSi2-type tetragonal structure, orders antiferromagnetically between 5 and 6.8 K, where the antiferromagnetic transition temperature T_N depends on the occupancy of the Au site.…

Strongly Correlated Electrons · Physics 2012-03-26 S. Seo , V. A. Sidorov , H. Lee , D. Jang , Z. Fisk , J. D. Thompson , T. Park

We report low-temperature calorimetric, magnetic and resistivity measurements on the antiferromagnetic (AF) heavy-fermion metal YbRh$_2$Si$_2$ (${T_N =}$ 70 mK) as a function of magnetic field $B$. While for fields exceeding the critical…

Strongly Correlated Electrons · Physics 2009-11-07 P. Gegenwart , J. Custers , C. Geibel , K. Neumaier , T. Tayama , K. Tenya , O. Trovarelli , F. Steglich

The specific heat down to 0.08 K of the iron pnictide superconductor KFe2As2 was measured on a single crystal sample with a residual resistivity ratio of ~650, with an onset Tc determined by specific heat of 3.7 K. The zero field normal…

Superconductivity · Physics 2011-05-24 J. S. Kim , E. G. Kim , G. R. Stewart , X. H. Chen , X. F. Wang

We report a systematic study of high magnetic field specific heat and resistivity in single crystals of CeCoIn_5 for the field oriented in the basal plane (H//ab) of this tetragonal heavy fermion superconductor. We observe a divergent…

Strongly Correlated Electrons · Physics 2009-11-10 F. Ronning , C. Capan , A. Bianchi , R. Movshovich , A. Lacerda , M. F. Hundley , J. D. Thompson , P. G. Pagliuso , J. L. Sarrao

CeRhIn$_5$ is a prototypical antiferromagnetic heavy-fermion compound, whose behavior in a magnetic field is unique. A magnetic field applied in the basal plane of the tetragonal crystal structure induces two additional phase transitions.…

Strongly Correlated Electrons · Physics 2021-01-19 S. Mishra , A. Demuer , D. Aoki , I. Sheikin

We report thermoelectric and resitivity measurements of antiferromagnetic heavy fermion compound YRh2Si2 at low temperatures down and under high magnetic field. At low temperature, the thermoelectric power and the resistivity present…

Strongly Correlated Electrons · Physics 2013-04-23 A. Pourret , G. Knebel , G. Lapertot , T. D. Matsuda , J. Flouquet

Specific heat C_{p}(T) measurements of the heavy fermion normal-spinel structure compound LiV_{2}O_{4} were carried out using a heat-pulse calorimeter over the temperature T range from 1.2 to 108 K. The electronic specific heat C_{e}(T) of…

Strongly Correlated Electrons · Physics 2010-11-12 D. C. Johnston , C. A. Swenson , S. Kondo

The heavy-fermion compound YbRh2Si2 exhibits an antiferromagnetic (AFM) phase transition at an extremely low temperature of TN = 70 mK. Upon applying a tiny magnetic field of Bc = 60 mT the AFM ordering is suppressed and the system is…

Strongly Correlated Electrons · Physics 2009-11-13 S. Hartmann , N. Oeschler , C. Krellner , C. Geibel , F. Steglich

Thermoelectric power measurements on the heavy fermion antiferromagnet Ce(Ru0.92Rh0.08)2Si2 under magnetic field (H) show clearly that the antiferromagnetic state below the critical field Hc ~ 2.8T can be fully decoupled from the…

Strongly Correlated Electrons · Physics 2014-02-25 Yo Machida , Koichi Izawa , Dai Aoki , Georg Knebel , Alexandre Pourret , Jacques Flouquet
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