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Low-temperature ($T$) thermodynamic properties in magnetic fields ($B$) of the quasi-Kagome antiferromagnet CePdAl ($T_{\rm N}\sim$ 2.7 K) were studied by means of magnetization and specific-heat $C(T,B)$ measurements. The unusual magnetic…

We present electrical resistivity and ac-susceptibility measurements of GdTe$_3$, TbTe$_3$ and DyTe$_3$ performed under pressure. An upper charge-density-wave (CDW) is suppressed at a rate of $\mathrm{d}T_{\mathrm{CDW,1}}/\mathrm{d}P$ =…

Superconductivity · Physics 2015-05-18 D. A. Zocco , J. J. Hamlin , K. Grube , J. -H. Chu , H. -H. Kuo , I. R. Fisher , M. B. Maple

The structural parameters of $\epsilon$-FeGe have been determined at ambient conditions using single crystal refinement. Powder diffraction have been carried out to determine structural properties and compressibility for pressures up to 30…

Strongly Correlated Electrons · Physics 2009-11-13 H. Wilhelm , M. Schmidt , R. Cardoso-Gil , U. Burkhardt , M. Hanfland , U. Schwarz , L. Akselrud

Hydrodynamic fluidity in condensed matter physics has been experimentally demonstrated only in a limited number of compounds due to the stringent conditions that must be met. Herein, we performed thermal and electrical transport experiments…

Strongly Correlated Electrons · Physics 2022-02-25 Chang-woo Cho , Peipei Wang , Fangdong Tang , Sungkyun Park , Mingquan He , Rolf Lortz , Genda Gu , Qiang Li , Liyuan Zhang

The thermoelectric properties of single- and polycrystalline FeGa3 are systematically investigated over a wide temperature range. At low temperatures, below 20 K, previously not known pronounced peaks in the thermal conductivity (400-800 W…

The phase diagram of the heavy fermion compound UTe$_2$ contains multiple superconducting phases, several of which show characteristics of odd-parity pairing. We have investigated the pressure dependence of the superconducting transition in…

We present temperature dependent resistivity and ac-calorimetry measurements of CeVSb3 under pressure up to 8 GPa in a Bridgman anvil cell modified to use a liquid medium and in a diamond anvil cell using argon as a pressure medium,…

Strongly Correlated Electrons · Physics 2015-05-27 E. Colombier , G. Knebel , B. Salce , E. D. Mun , X. Lin , S. L. Bud'ko , P. C. Canfield

High pressure in-situ synchrotron X-ray diffraction experiments were performed on Ag2Te up to 42.6 GPa at room temperature and four phases were identified. Phase I ({\beta}-Ag2Te) transformed into phase II at 2.4 GPa, and phase III and…

Materials Science · Physics 2015-05-01 Zhao Zhao , Shibing Wang , Haijun Zhang , Wendy L. Mao

X-ray powder diffraction and electrical resistivity measurements were performed on the tetragonal compound CeCoSi under pressure to elucidate the phase boundary of the pressure-induced structural transition and the change in the 4$f$…

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 present a study of the main bulk properties (susceptibility, magnetization, resistivity and specific heat) of CePt_3B_(1-x)Si-x, an alloying system that crystallizes in a noncentrosymmetric lattice, and derive the magnetic phase diagram.…

Strongly Correlated Electrons · Physics 2015-04-20 Daniela Rauch , Stefan Süllow , Matthias Bleckmann , Bastian Klemke , Klaus Kiefer , Moo Sung Kim , Meigan C. Aronson , Ernst Bauer

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

In this study, we have investigated and compared the effect of hydrostatic pressure up to ~20 kbar on the transport properties of ZrTe5 single crystals grown by chemical vapor transport (CVT) and flux methods. With the application of…

Single crystals of BaFe$_2$As$_2$ and (Ba$_{0.55}$K$_{0.45}$)Fe$_2$As$_2$ have been grown out of excess Sn with 1% or less incorporation of solvent. The crystals are exceptionally micaceous, are easily exfoliated and can have dimensions as…

High-pressure electrical resistivity measurements up to 3.0GPa have been performed on EuFe2As2 single crystals with residual resistivity ratios RRR=7 and 15. At ambient pressure, a magnetic / structural transition related to FeAs-layers is…

Superconductivity · Physics 2015-05-19 N. Kurita , M. Kimata , K. Kodama , A. Harada , M. Tomita , H. S. Suzuki , T. Matsumoto , K. Murata , S. Uji , T. Terashima

We studied single-crystals of the antiferromagnetic compound UNi0.5Sb2 (TN ~ 161 K) by means of measurements of magnetic susceptibility (chi), specific heat (Cp), and electrical resistivity (rho) at ambient pressure, and resistivity under…

Strongly Correlated Electrons · Physics 2009-11-13 B. K. Davis , M. S. Torikachvili , E. D. Mun , J. C. Frederick , G. J. Miller , S. Thimmaiah , S. L. Budko , P. C. Canfield

A technique for measuring the electrical resistivity and absolute thermopower is presented for pressures up to 30 GPa, temperatures down to 25 mK and magnetic fields up to 10 T. With the examples of CeCu2Ge2 and CeCu2Si2 we focus on the…

Strongly Correlated Electrons · Physics 2007-05-23 D. Jaccard , E. Vargoz , K. Alami-Yadri , H. Wilhelm

We report studies of in-situ x-ray diffraction (XRD) and electronic properties on the single crystalline of Fe1.05Te compound under high pressure. The results demonstrated that the sample undergoes a pressure-induced lattice collapse in…

Superconductivity · Physics 2009-12-01 Chao Zhang , Wei Yi , Liling Sun , Wei Lu , Xiaoli Dong , Ligang Bai , Jing Liu , Genfu Chen , Nanlin Wang , Zhongxian Zhao

The pressure induced superconductivity and structural evolution for Bi2Se3 single crystal have been studied. The emergence of superconductivity with onset transition temperature (Tc) about 4.4K is observed around 12GPa. Tc increases rapidly…

Superconductivity · Physics 2015-06-15 P. P. Kong , J. L. Zhang , S. J. Zhang , J. Zhu , Q. Q. Liu , R. C. Yu , Z. Fang , C. Q. Jin , W. G. Yang , X. H. Yu , J. L. Zhu , Y. S. Zhao

Specific heat, resistivity, susceptibility and Hall coefficient measurements were performed on high-quality single crystalline Na$_{1-\delta}$FeAs. This compound is found to undergo three successive phase transitions at around 52, 41, and…

Superconductivity · Physics 2013-05-29 G. F. Chen , W. Z. Hu , J. L. Luo , N. L. Wang