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Related papers: Metamagnetic quantum criticality in Sr3Ru2O7 studi…

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The ternary intermetallic compound Gd$_2$Cu$_2$In crystallizes in Mo$_2$Fe$_2$B type structure with the space group $P4/mbm$ and we study critical behaviour and magnetocaloric effect near the ferromagnetic transition ($T_C$ $\approx$ 94 K)…

Strongly Correlated Electrons · Physics 2017-11-28 Ramesh K. Kumar , Harikrishnan S. Nair , Baidyanath N. Sahu , Sindisiwe Xhakaza , Andre M. Strydom

We report on precise low-temperature specific-heat measurements, C(T), of YbRh2Si2 in the vicinity of the antiferromagnetic phase transition on a single crystal of superior quality (RRR 150). We observe a very sharp peak at T_N=72mK with…

Strongly Correlated Electrons · Physics 2009-05-14 C. Krellner , S. Hartmann , A. Pikul , N. Oeschler , J. G. Donath , C. Geibel , F. Steglich , J. Wosnitza

The temperature dependence of the upper critical field ($H_{c2}$) in RbCr$% _{3}$As$_{3}$ single crystals ($T_{c}\approx $ 7.3 K) has been determined by means of magnetoresistance measurements with temperature down to 0.35 K in static…

Superconductivity · Physics 2019-12-25 Qimei Liang , Tong Liu , Chuanying Xi , Yuyan Han , Gang Mu , Li Pi , Zhi-An Ren , Zhaosheng Wang

We present a brief review of the physical properties of Sr3Ru2O7, in which the approach to a magnetic-field-tuned quantum critical point is cut off by the formation of a novel phase with transport characteristics consistent with those of a…

Strongly Correlated Electrons · Physics 2015-06-04 A. P. Mackenzie , J. A. N. Bruin , R. A. Borzi , A. W. Rost , S. A. Grigera

We report the temperature and magnetic field dependence of resistivity ($\rho$) for single-crystalline EuTi$_{1-x}$Nb$_{x}$O$_3$ ($x$=0.10$-$0.20), an itinerant ferromagnetic system with very low Curie temperature ($T_C$). The detailed…

Strongly Correlated Electrons · Physics 2018-10-24 S. Roy , N. Khan , P. Mandal

SrRuO$_3$ is a metallic ferromagnet. Its electrical resistivity is reported for temperatures up to 1000K; its Hall coefficient for temperatures up to 300K; its specific heat for temperatures up to 230K. The energy bands have been calculated…

Condensed Matter · Physics 2009-10-28 P. B. Allen , H. Berger , O. Chauvet , L. Forro , T. Jarlborg , A. Junod , B. Revaz , G. Santi

The dependence of the Curie temperature Tc on nearly hydrostatic pressure has been determined to 17.2 GPa for the weak itinerant ferromagnetic SrRuO3 in both polycrystalline and single-crystalline form. Tc is found to decrease under…

Strongly Correlated Electrons · Physics 2009-11-11 J. J. Hamlin , S. Deemyad , J. S. Schilling , M. K. Jacobsen , R. S. Kumar , A. L. Cornelius , G. Cao , J. J. Neumeier

The nature of the emergent phase near a putative quantum critical point in the bilayer ruthenate Sr$_3$Ru$_2$O$_7$ has been a recent subject of intensive research. It has been suggested that this phase may possess electronic nematic…

Strongly Correlated Electrons · Physics 2007-05-23 Hyeonjin Doh , Yong Baek Kim , K. H. Ahn

We present a thorough study on the magnetoanisotropic properties and magnetocaloric effect in the layered ferromagnetic Cr$_4$Te$_5$ single crystals by performing the critical behaviour analysis of magnetization isotherms. The critical…

Materials Science · Physics 2022-09-20 Shubham Purwar , Susmita Changdar , Susanta Ghosh , S. Thirupathaiah

With the use of thermodynamics and general equilibrium conditions only, we study the entropy of a fluid in the vicinity of the critical point of the liquid-vapor phase transition. By assuming a general form for the coexistence curve in the…

Statistical Mechanics · Physics 2021-06-16 J. C. Obeso-Jureidini , D. Olascoaga , V. Romero-Rochín

We study the temperature dependence of electrical resistivity for currents directed along all crystallographic axes of the spin-triplet superconductor UTe$_{2}$. We focus particularly on an accurate determination of the resistivity along…

Results of a study of dc-magnetization M(T, H), performed on a Nd0.6Pb0.4MnO3 single crystal in the temperature range around T_C (Curie temperature) which embraces the critical region | epsilon | = |T -T_C |/T_C <= 0.05 are reported. The…

Strongly Correlated Electrons · Physics 2009-11-10 M. Sahana , U. K. Roessler , Nilotpal Ghosh , Suja Elizabeth , H. L. Bhat , K. Doerr , D. Eckert , M. Wolf , K. -H. Mueller

The temperature $T$ and magnetic field $H$ dependence of anisotropic in-plane $\rho_{ab}$ and out-of-plane $\rho_{c}$ resistivities have been investigated in single crystals of the bilayer manganite La$_{1.2}$Sr$_{1.8}$Mn$_{2}$O$_{7}$.…

Materials Science · Physics 2009-11-07 C. L. Zhang , X. J. Chen , C. C. Almasan , J. S. Gardner , J. L. Sarrao

Combining transport and magnetization measurements, we discover the emergence of a tricritical point connecting the antiferromagnetic, metamagnetic and paramagnetic regions in MnBi$_2$Te$_4$, a magnetic topological insulator candidate which…

Materials Science · Physics 2025-02-13 Tithiparna Das , Soumik Mukhopadhyay

We have measured the linear thermal expansion and magnetostriction of the Ising antiferromagnet TbNi2Ge2 along its c-axis from room temperature to 2 K and in magnetic fields to 14 T. We find a magnetic phase diagram that agrees with earlier…

Strongly Correlated Electrons · Physics 2009-11-11 G. M. Schmiedeshoff , S. M. Hollen , S. L. Bud'ko , P. C. Canfield

The thermal expansion at constant pressure of solid CD$_4$ III is calculated for the low temperature region where only the rotational tunneling modes are essential and the effect of phonons and librons can be neglected. It is found that in…

Materials Science · Physics 2021-02-03 Yu. A. Freiman , V. V. Vengerovsky , Alexander F. Goncharov

Thermodynamics of the Kitaev honeycomb magnet $\alpha$-RuCl$_3$ is studied for different directions of in-plane magnetic field using measurements of the magnetic Gr\"uneisen parameter $\Gamma_B$ and specific heat $C$. We identify two…

Strongly Correlated Electrons · Physics 2021-03-03 S. Bachus , D. A. S. Kaib , A. Jesche , V. Tsurkan , A. Loidl , S. M. Winter , A. A. Tsirlin , R. Valentí , P. Gegenwart

Structural, magnetic (M) and thermal (C_m) studies on Ce_2(Ni_{1-y}Pd_y)_2Sn alloys are presented within the 0<y<0.55 range of concentration, showing evidences for itinerant to local electronic transformation. At variance with RKKY type…

Strongly Correlated Electrons · Physics 2015-06-22 J. G. Sereni , G. Schmerber , M. Gomez Berisso , J. P. Kappler

Heat-to-charge conversion efficiency of thermoelectric materials is closely linked to the entropy per charge carrier. Thus, magnetic materials are promising building blocks for highly efficient energy harvesters, as their carrier entropy is…

We derive low-temperature series (in the variable $u = \exp[-\beta J/S^2]$) for the spontaneous magnetisation, susceptibility and specific heat of the spin-$S$ Ising model on the square lattice for $S=\frac32$, 2, $\frac52$, and 3. We…

Condensed Matter · Physics 2009-10-28 I Jensen , A J Guttmann , I G Enting