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

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We present the results of a study of specific heat on a single crystal of Pr$_{0.63}$Ca$_{0.37}$MnO$_3$ performed over a temperature range 3K-300K in presence of 0 and 8T magnetic fields. An estimate of the entropy and latent heat in a…

Strongly Correlated Electrons · Physics 2009-11-07 A. K. Raychaudhuri , Ayan Guha , I. Das , R. Rawat , C. N. R. Rao

The specific heat of single crystal hole-doped Ca0.33Na0.67Fe2As2, Tc(onset)=33.7 K, was measured from 0.4 to 40 K. The discontinuity in the specific heat at Tc, deltaC, divided by Tc is 105 +- 5 mJ/molK2, consistent with values found…

Superconductivity · Physics 2014-07-01 J. S. Kim , K. Zhao , C. Q. Jin , G. R. Stewart

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

We present detailed heat capacity measurements for Ba(Fe(1-x)Cox)2As2 and Ba(Fe(1-x)Nix)2As2 single crystals in the vicinity of the superconducting transitions. The specific heat jump at the superconducting transition temperature (Tc),…

Superconductivity · Physics 2015-05-13 Sergey L. Bud'ko , Ni Ni , Paul C. Canfield

A commercially available calorimeter has been used to investigate the specific heat of a high-quality \kn\ single crystal. The addenda heat capacity of the calorimeter is determined in the temperature range $0.02 \, \mathrm{K} \leq T \leq…

The specific heat $C(T)$ of BaFe$_2$As$_2$ single crystal, electron-doped Ba$_{0.7}$La$_{0.3}$Fe$_2$As$_2$ and hole-doped Ba$_{0.5}$K$_{0.5}$Fe$_2$As$_2$ polycrystals were measured. For undoped BaFe$_2$As$_2$ single crystal, a very sharp…

Superconductivity · Physics 2009-11-13 J. K. Dong , L. Ding , H. Wang , X. F. Wang , T. Wu , X. H. Chen , S. Y. Li

The specific heat of Nd(Y)Ba2Cu3Ox single crystals without substitution of Nd for Ba has been measured for various oxygen contents. In comparison with YBa2Cu3Ox, the maximum attainable transition temperature of the crystals is about 4 K…

Superconductivity · Physics 2007-05-23 U. Tutsch , P. Schweiss , R. Hauff , B. Obst , Th. Wolf , H. Wuehl

The electronic specific heat of as-grown and annealed single-crystals of FeSe1-xTex (0.6<=x<=1) has been investigated. It has been found that annealed single-crystals with x=0.6-0.9 exhibit bulk superconductivity with a clear specific-heat…

Superconductivity · Physics 2015-05-30 T. Noji , M. Imaizumi , T. Suzuki , T. Adachi , M. Kato , Y. Koike

Specific-heat measurements are reported near the Curie temperature ($T_C$~= 320 K) on tri-glycine sulfate. Measurements were made on crystals whose surfaces were either non-grounded or short-circuited, and were carried out in magnetic…

Statistical Mechanics · Physics 2008-11-26 J. C. Lashley , C. P. Opeil , T. R. Finlayson , R. A. Fisher , N. Hur , M. F. Hundley , B. Mihaila , J. L. Smith

We report specific heat measurements down to 0.4 K on the layered oxide Na$_x$CoO$_2\cdot\it{y}$H$_2$O/D$_2$O with 0 $\le$ $\it{x}$ $\le$ 0.74 and $\it{y}$ = 0 and 1.4. For the nonhydrated system ($\it{y}$ = 0), the electronic specific heat…

Superconductivity · Physics 2007-05-23 R. Jin , B. C. Sales , S. Li , D. Mandrus

Using a differential technique, we have measured the specific heats of polycrystalline Ba1-xKxFe2As2 samples with x=0, 0.1 and 0.3, between 2K and 380K and in magnetic fields 0 to 13 Tesla. From this data we have determined the electronic…

Superconductivity · Physics 2010-01-05 J. G. Storey , J. W. Loram , J. R. Cooper , Z. Bukowski , J. Karpinski

Single Crystals of Nd$_{1-x}$Ca$_{1+x}$MnO$_{4}$ have been prepared by the traveling floating-zone method, and possible evidence of a charge -orbital density wave in this material presented earlier [PRB68,092405 (2003)] using High…

Strongly Correlated Electrons · Physics 2015-06-25 Sher Alam , A. T. M. N. Islam , T. Nagai , M. Xu , Javed Ahmad , Y. Matsui , I. Tanaka

We present magnetic susceptibility, resistivity, specific heat, and thermoelectric power measurements on (Ce$_{1-x}$La$_x$)Cu$_2$Ge$_2$ single crystals (0 $\leq x\leq$ 1). With La substitution, the antiferromagnetic temperature $T_N$ is…

Strongly Correlated Electrons · Physics 2015-09-01 H. Hodovanets , S. L. Bud'ko , W. E. Straszheim , V. Taufour , E. D. Mun , H. Kim , R. Flint , P. C. Canfield

We have measured the specific heat of single crystals of the triple-layer Ruddlesden-Popper material, Sr4Ru3O10, grown both in an image furnace and by flux-growth. The flux grown sample has a sharp mean-field-like anomaly at the onset of…

Strongly Correlated Electrons · Physics 2009-11-10 X. N. Lin , V. A. Bondarenko , G. Cao , J. W. Brill

Low-temperature electronic states in SrRu_{1-x}Mn_xO_3 for x <= 0.6 have been investigated by means of specific-heat C_p measurements. We have found that a jump anomaly observed in C_p at the ferromagnetic (FM) transition temperature for…

Strongly Correlated Electrons · Physics 2010-02-19 A. Yamaji , M. Yokoyama , Y. Nishihara , Y. Narumi , K. Kindo

We report the specific heat discontinuity, deltaC/Tc, at Tc = 28.2 K of a collage of single crystals of BaFe2(As0.7P0.3)2 and compare the measured value of 38.5 mJ/molK**2 with other iron pnictide and iron chalcogenide (FePn/Ch)…

Superconductivity · Physics 2011-05-24 J. S. Kim , G. R. Stewart , S. Kasahara , T. Shibauchi , T. Terashima , Y. Matsuda

The large $\Delta$C observed at 17.5 K in URu$_{2}$Si$_{2}$ is inconsistent with the small, 0.04 $\mu_{B}$ moment measured for the antiferromagnetism observed starting (perhaps coincidentally) at the same temperature. We report measurements…

Strongly Correlated Electrons · Physics 2009-11-10 J. S. Kim , D. Hall , P. Kumar , G. R. Stewart

Heat capacity measurements using the ac steady state method are often considered difficult to provide absolute accuracy. By adjusting the working frequency to maintain a constant phase and using the phase information to obtain the heat…

Superconductivity · Physics 2015-06-04 S. Tagliati , A. Rydh

We report high pressure magnetic susceptibility and electrical resistivity measurements on Ca_{3}Ir_{4}Sn_{13} single crystals up to 60 kbar. These measurements allow us to follow the evolution of the superconducting critical temperature…

Polycrystalline CrTe1-xSex samples were prepared using the conventional solid-state reaction technique and characterized by x-rad diffraction, temperature- and field- dependent magnetization for possible use in magnetocaloric cooling.…

Strongly Correlated Electrons · Physics 2022-11-15 Morad Kh. Hamad , I. C. Nlebedim , Yazan Maswadec , R. Hamad , Kh. A. Ziq
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