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Related papers: Specific Heat of (Ca1-xSrx)3Ru2O7 Single Crystals

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We measure the resistivity and magnetic susceptibility in the temperature range from 5 K to 600 K for the single crystals $A$Fe$_{2-y}$Se$_2$ ($A$ = K$_{0.8}$, Rb$_{0.8}$, Cs$_{0.8}$, Tl$_{0.5}$K$_{0.3}$ and Tl$_{0.4}$Rb$_{0.4}$). A sharp…

Superconductivity · Physics 2015-05-27 R. H. Liu , X. G. Luo , M. Zhang , A. F. Wang , J. J. Ying , X. F. Wang , Y. J. Yan , Z. J. Xiang , P. Cheng , G. J. Ye , Z. Y. Li , X. H. Chen

Oxides RNiO3 (R = rare-earth, R # La) exhibit a metal-insulator (MI) transition at a temperature TMI and an antiferromagnetic (AF) transition at TN. Specific heat (CP) and anelastic spectroscopy measurements were performed in samples of…

Strongly Correlated Electrons · Physics 2015-05-20 V. B. Barbeta , R. F. Jardim , M. S. Torikachvili , M. T. Escote , F. Cordero , F. M. Pontes , F. Trequattrini

We have studied the thermodynamic properties of single-crystalline TbFe3(BO3)4. Magnetization measurements have been carried out as a function of magnetic field (up to 50 T) and temperature up to 350K with the magnetic field both parallel…

We measured resistivity and specific heat of high-quality CsFe$_2$As$_2$ single crystals, which were grown by using a self-flux method. The CsFe$_2$As$_2$ crystal shows sharp superconducting transition at 1.8 K with the transition width of…

Superconductivity · Physics 2013-06-17 A. F. Wang , B. Y. Pan , X. G. Luo , F. Chen , Y. J. Yan , J. J. Ying , G. J. Ye , P. Cheng , X. C. Hong , S. Y. Li , X. H. Chen

We report on the resistance behavior of bare-chip Cernox thermometers under pressures up to 2 GPa, generated in a piston-cylinder pressure cell. Our results clearly show that Cernox thermometers, frequently used in low-temperature…

Materials Science · Physics 2019-02-21 Elena Gati , Gil Drachuck , Li Xiang , Lin-Lin Wang , Sergey L. Bud'ko , Paul C. Canfield

We report the synthesis, and structural and physical properties of CaFe4As3 single crystals. Needle-like single crystals of CaFe4As3 were grown out of Sn flux and the compound adopts an orthorhombic structure as determined by X-ray…

Superconductivity · Physics 2015-05-27 A. B. Karki , G. T. McCandless , S. Stadler , Y. M. Xiong , J. Li , Julia Y. Chan , R. Jin

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

Specific heat measurements were used to study the magnetic phase transition in Ga1-xMnxAs. Two different types of Ga1-xMnxAs samples have been investigated. The sample with a Mn concentration of 1.6% shows insulating behavior, and the…

Magnetic properties of polycrystalline samples of RuSr$_2$(Gd$_{1.5}$Ce$_{0.5}$)Cu$_{2}$O$_{10-\delta}$, as-prepared (by solid-state reaction) and annealed (12 hours at 845$^{\circ}$C) in pure oxygen at different pressure (30, 62 and 78…

Strongly Correlated Electrons · Physics 2009-10-24 B. I. Belevtsev , V. B. Krasovitsky , D. G. Naugle , K. D. D. Rathnayaka , G. Agnolet , I. Felner

We present specific heat data on three samples of the dilute Ising magnet $\HoYLF$ with $x = 0.018$, 0.045 and 0.080. Previous measurements of the ac susceptibility of an $x = 0.045$ sample showed the Ho$^{3+}$ moments to remain dynamic…

Disordered Systems and Neural Networks · Physics 2009-11-11 J. A. Quilliam , C. G. A. Mugford , A. Gomez , S. W. Kycia , J. B. Kycia

Sn(1-x)In(x)Te is a possible candidate for topological superconductivity. Previous work has shown that substitution of In for Sn in the topological crystalline insulator SnTe results in superconductivity, with the transition temperature,…

Superconductivity · Physics 2013-07-29 R. D. Zhong , J. A. Schneeloch , X. Y. Shi , Z. J. Xu , C. Zhang , J. M. Tranquada , Q. Li , G. D. Gu

We develop a thermodynamically consistent chemo-thermo-mechanical model for the $\beta\rightarrow\delta$ phase transition of energetic HMX crystals. In contrast to previous models, which either considered specific heat to be a constant or…

Chemical Physics · Physics 2023-01-13 C. W. Williams , K. Matous

To prevent the loss of K in growing single crystals of Ba1-x Kx Fe2 As2 we developed a rapid heating Sn-flux method. Large single crystals with the optimal superconducting transition temperature TC about 38K were obtained and their…

Superconductivity · Physics 2009-02-21 P. Reuvekamp , F. S. Razavi , C. Hoch , J. S. Kim , R. K. Kremer , A. Simon

Measurements of the heat capacity C(T,H) of the one-dimensional quantum magnet TiOCl are presented for temperatures 2K < T < 300K and magnetic fields up to 5T. Distinct anomalies at 91K and 67K signal two subsequent phase transitions. The…

Strongly Correlated Electrons · Physics 2007-05-23 J. Hemberger , M. Hoinkis , M. Klemm , M. Sing , R. Claessen , S. Horn , A. Loidl

We report a low-temperature specific heat study of high-quality single crystals of the heavily hole doped superconductor Ca$_{0.32}$Na$_{0.68}$Fe$_2$As$_2$. This compound exhibits bulk superconductivity with a transition temperature $T_c…

Specific heat measurements performed on high purity vapor-grown Nb$_3$Sn crystals show clear features related to both the martensitic and superconducting transitions. Our measurements indicate that the martensitic anomaly does not display…

Superconductivity · Physics 2015-05-13 R. Escudero , F. Morales , S. Bernes

We have investigated the superconducting properties of the noncentrosymmetric superconductor LaRhSi$_{3}$ by performing magnetization, specific heat, electrical resistivity and muon spin relaxation ($\mu$SR) measurements. LaRhSi$_{3}$…

Strongly Correlated Electrons · Physics 2011-08-02 V. K. Anand , A. D. Hilier , D. T. adroja , A. Strydom , H. Michor , K. A. McEwen , B. D. Rainford

The specific heat of high-purity $\rm Ba_{0.68}K_{0.32}Fe_2As_2$ single crystals with the highest reported superconducting $T_c$ = 38.5 K was studied. The electronic specific heat, $C_p$, below $T_c$ shows two gap features, with $\Delta_1…

Superconductivity · Physics 2010-07-08 P. Popovich , A. V. Boris , O. V. Dolgov , A. A. Golubov , D. L. Sun , C. T. Lin , R. K. Kremer , B. Keimer

We measured the specific heat, the magnetization, and the magnetoresistance of a single crystal of ZrB12, which is superconducting below Tc ~ 6 K. The specific heat in zero field shows a BCS-type superconducting transition. The normal- to…

Superconductivity · Physics 2009-11-11 Yuxing Wang , Rolf Lortz , Yuriy Paderno , Vladimir Filippov , Satoko Abe , Ulrich Tutsch , Alain Junod

Millimeter sized single crystals of Mo3Sb7 are grown using the self-flux technique and a thorough characterization of their structural, magnetic, thermal and transport properties is reported. The structure parameters for the…

Superconductivity · Physics 2013-05-24 J. -Q. Yan , M. A. McGuire , A. F. May , H. Cao , A. D. Christianson , D. G. Mandrus , B. C. Sales