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Related papers: Phase diagram of CeVSb3 under pressure and its dep…

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The temperature dependent electrical resistivity of single crystalline SrFe2As2 and BaFe2As2 has been measured in a liquid medium, modified Bridgman anvil cell for pressures in excess of 75 kbar. These data allow for the determination of…

Superconductivity · Physics 2015-05-13 E. Colombier , S. L. Bud'ko , N. Ni , P. C. Canfield

The phase diagram of BaVS3 is studied under pressure using resistivity measurements. The temperature of the metal to nonmagnetic Mott insulator transition decreases under pressure, and vanishes at the quantum critical point p_cr=20kbar. We…

Strongly Correlated Electrons · Physics 2009-10-31 L. Forro , R. Gaal , H. Berger , P. Fazekas , K. Penc , I. Kezsmarki , G. Mihaly

The pressure dependences of the antiferromagnetic and superconducting transition temperatures have been investigated by ac heat capacity measurement under high pressures for the heavy-fermion superconductor CePt$_3$Si without inversion…

In an experiment in a diamond anvil cell utilizing helium pressure medium, yttrium metal displays a superconducting transition temperature which increases monotonically from Tc ? 3.5 K at 30 GPa to 17 K at 89.3 GPa, one of the highest…

Superconductivity · Physics 2009-11-11 J. J. Hamlin , V. G. Tissen , J. S. Schilling

We have investigated the pressure dependence of ac and dc susceptibilities of the heavy-fermion superconductor CePt3Si (Tc= 0.75 K) that coexists with antiferromagnetism (TN = 2.2 K). As hydrostatic pressure is increased, Tc first decreases…

Superconductivity · Physics 2009-11-13 Yoshihiro Aoki , Akihiko Sumiyama , Gaku Motoyama , Yasukage Oda , Yasuda Settai , Yoshichika Onuki

We have performed electrical resistivity measurements on single crystal BaFe2As2 under high pressure P up to 16 GPa with a cubic anvil apparatus, and up to 3 GPa with a modified Bridgman anvil cell. The samples were obtained from the same…

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

The pressure-temperature phase diagram of the orthorhombic ferromagnetic superconductor UCoGe was determined by resistivity measurements up to $10.5~$GPa. The Curie temperature $T_C$ is suppressed with pressure and vanishes at the critical…

Strongly Correlated Electrons · Physics 2016-09-14 Gael Bastien , Daniel Braithwaite , Dai Aoki , Georg Knebel , Jacques Flouquet

Measurements of the electric resistivity $\rho(T)$ under pressure up to 8 GPa were performed on high-quality single-crystals of the Yb-based heavy fermion system $\beta$-YbAlB$_4$ in the temperature range $2<T<$ 300 K. In the resistivity…

Strongly Correlated Electrons · Physics 2016-12-28 Takahiro Tomita , Kentaro Kuga , Yoshiya Uwatoko , Satoru Nakatsuji

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

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…

We studied the evolution of superconductivity (sc) and antiferromagnetism (afm) in the heavy fermion compound CePt_3Si with hydrostatic pressure. We present a pressure-temperature phase diagram established by electrical transport…

Strongly Correlated Electrons · Physics 2009-09-29 M. Nicklas , G. Sparn , R. Lackner , E. Bauer , F. Steglich

The pressure dependencies of the magnetic and superconducting transitions, as well as that of the superconducting upper critical field are reported for single crystalline EuRbFe$_4$As$_4$. Resistance measurements were performed under…

To investigate whether the dense Kondo compound CeB6 might evolve into a topological insulator under sufficient pressure, four-point electrical resistivity measurements have been carried out over the temperature range 1.3 K to 295 K in a…

Strongly Correlated Electrons · Physics 2015-06-19 N. Foroozani , J. Lim , G. Fabbris , P. F. S. Rosa , Z. Fisk , J. S. Schilling

The recent report of pressure-induced structure transition and signature of superconductivity with Tc = 80 K above 14 GPa in the La3Ni2O7 crystals has garnered considerable attention. To further elaborate this discovery, we carried out…

We have carried out high pressure experiment on the pressure-induced superconductor CeIrSi$_3$ without inversion center. The electrical resistivity and ac heat capacity were measured in the same run for the same sample. The critical…

The pressure-temperature phase diagrams of the heavy fermion antiferromagnet CeRhIn$_5$ and the heavy fermion superconductor CeCoIn$_5$ have been studied under hydrostatic pressure by ac calorimetry and ac susceptibility measurements using…

Strongly Correlated Electrons · Physics 2016-08-16 G Knebel , M-A Méasson , B Salce , D Aoki , D Braithwaite , J P Brison , J Flouquet

Unconventional superconductivity frequently emerges as the transition temperature of a magnetic phase, typically antiferromagnetic, is suppressed continuously toward zero temperature. Here, we report contrary behavior in pressurized…

The dependence of Tc on nearly hydrostatic pressure has been measured for an isotopically pure (11B) MgB2 sample in a helium-loaded diamond-anvil-cell to nearly 20 GPa. Tc decreases monotonically with pressure from 39.1 K at ambient…

Superconductivity · Physics 2009-11-07 S. Deemyad , J. S. Schilling , J. D. Jorgensen , D. G. Hinks
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