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We report pressure-induced superconductivity in a single crystal of CaFe2As2. At atmospheric pressure, this material is antiferromagnetic below 170 K but under an applied pressure of 0.69 GPa becomes superconducting, with a transition…

Superconductivity · Physics 2008-07-18 Tuson Park , Eunsung Park , Hanoh Lee , T. Klimczuk , E D Bauer , F Ronning , J D Thompson

Single crystals of R$_2$CoGa$_8$ series of compounds were grown, for the first time, by high temperature solution growth (flux) method. These compounds crystallize in a tetragonal crystal structure with the space group $P4/mmm$. It has been…

Strongly Correlated Electrons · Physics 2008-01-30 Devang A. Joshi , R. Nagalakshmi , S. K. Dhar , A. Thamizhavel

The low-temperature behavior of Ce2RuZn4 has been investigated. Specific heat and magnetic susceptibility data reveal an antiferromagnetic transition at a Neel temperature of 2 K. Ce2RuZn4 is a static intermediate-valent compound with two…

Strongly Correlated Electrons · Physics 2008-12-16 Volker Eyert , Ernst-Wilhelm Scheidt , Wolfgang Scherer , Wilfried Hermes , Rainer Poettgen

Co substituted Ni$_{1-x}$Co$_x$Br$_2$ (0 $\leq~x~\leq$ 1) single crystals were synthesized using vapor transport. The physical properties of the crystals were characterized by x-ray powder diffraction, magnetization, and specific heat…

Strongly Correlated Electrons · Physics 2019-04-03 Binod K. Rai , Andrew D. Christianson , David Mandrus , Andrew F. May

Realisation of the tetragonal phase of $Cs_2CuCl_4$ is possible using specific crystal growth conditions at a temperature below $281K$. This work deals with the comparison of the magnetic susceptibility and the magnetization of this new…

We report on synthesis and anisotropic physical properties of URhIn$_{5}$. High quality single crystals were grown in In-flux. The compound undergoes a second order phase transition into an antiferromagnetic state at T$_{\textrm{N}}$ = 98…

Strongly Correlated Electrons · Physics 2023-07-19 Attila Bartha , Marie Kratochvilová , Michal Dušek , Vladimír Sechovský , Jeroen Custers

Single crystals of a new layered compound, Cr1.21Te2, was synthesized via a vapor transport method. The crystal structure and physical properties were characterized by single crystal and powder x-ray diffraction, temperature- and…

Materials Science · Physics 2023-04-13 Zhixue Shu , Haozhe Wang , Na Hyun Jo , Chris Jozwiak , Aaron Bostwick , Eli Rotenberg , Weiwei Xie , Tai Kong

The transport properties, upper critical fields, superconducting anisotropy, and critical current density in an iso-valent phosphorus-doped BaFe2As2 single crystal close to optimum doping are investigated in this report. Temperature…

Superconductivity · Physics 2010-06-02 S V Chong , S Hashimoto , K Kadowaki

Structural and magnetic properties of the CoMn$_{0.88}$Cu$_{0.12}$Ge compound have been investigated using X-ray diffraction (XRD) and differential scanning calorimetry (DSC) accompanied with investigation of magnetic properties under…

The magnetic and structural properties of polycrystalline Co$_{4-x}$ Ni$_x$ Nb$_2$ O$_9$ (x=1,2) have been investigated by neutron powder diffraction, magnetization and heat capacity measurements, and density functional theory (DFT)…

We report a detailed single crystal investigation of a magnetoelectric ferrimagnet Cu2OSeO3 using dc magnetization and ac susceptibility along the three principal directions [100], [110] and [111]. We have observed that in small magnetic…

Materials Science · Physics 2012-05-24 I. Živković , D. Pajić , T. Ivek , H. Berger

La2Au2Cd and Ce2Au2Cd were prepared from the elements by reactions in sealed tantalum tubes in a water-cooled sample chamber of an induction furnace. These intermetallics crystallize with the tetragonal Mo2FeB2 type, space group P4/mbm.…

Materials Science · Physics 2009-11-11 S. Rayaprol , R. Poettgen

CeAu2Ge2 single crystals (tetragonal ThCr2Si2 structure) have been grown in Au-Ge flux (AGF) as well as in Sn flux (SF). X-ray powder-diffraction and EDX measurements indicate that in the latter case Sn atoms from the flux are incorporated…

Strongly Correlated Electrons · Physics 2011-10-05 V. Fritsch , P. Pfundstein , P. Schweiss , E. Kampert , B. Pilawa , H. v. L öhneysen

To reduce material and processing costs of commercial permanent magnets and to attempt to fill the empty niche of energy products, 10 - 20 MGOe, between low-flux (ferrites, alnico) and high-flux (Nd2Fe14B- and SmCo5-type) magnets, we report…

We report the synthesis of EuPtIn$_{4}$ single crystalline platelets by the In-flux technique. This compound crystallizes in the orthorhombic Cmcm structure with lattice parameters $a=4.542(1)$ \AA, $b=16.955(2)$ \AA$\,$ and $c=7.389(1)$…

Strongly Correlated Electrons · Physics 2015-06-19 P. F. S. Rosa , C. B. R. de Jesus , Z. Fisk , P. G. Pagliuso

The tetragonal compound UPt2Si2 has been characterised as a moderately mass enhanced system with an antiferromagnetic ground state below T_N = 32 K. Here, we present an extensive study of the behavior in high magnetic fields. We have…

The crystalline electric field (CEF) of Ce3+ in trigonal symmetry has recently become of some relevance, for instance, in the search of frustrated magnetic systems. Fortunately, it is one of the CEF case in which a manageable analytic…

Strongly Correlated Electrons · Physics 2018-11-21 Jacintha Banda , Binod K. Rai , Helge Rosner , Emilia Morosan , Christoph Geibel , Manuel Brando

The temperature dependence of the upper critical magnetic field (Hc2) in a BaFe1.84Co0.16As2 single crystal was determined via resistivity, for the inter-plane (H^ab) and in-plane (H//ab) directions in pulsed and static magnetic fields of…

Superconductivity · Physics 2015-05-13 M. Kano , Y. Kohama , D. Graf , F. F. Balakirev , A. S. Sefat , M. A. McGuire , B. C. Sales , D. Mandrus , S. W. Tozer

We report the discovery of a ternary compound, Eu$_{0.8}$Pt$_6$Al$_{16.4}$. We determine its chemical and structural characteristics based on energy-dispersive X-ray spectroscopy as well as both powder and single-crystal X-ray diffraction,…

Materials Science · Physics 2026-01-19 Juan Schmidt , Oliver Janka , Jutta Kösters , Sergey L. Bud'ko , Paul C. Canfield

Neutron diffraction measurements on a single crystal of CeGe1.76 reveal a complex series of magnetic transitions at low temperature. At T_N = 7 K, there is a transition from a paramagnetic state at higher temperature to an incommensurate…

Strongly Correlated Electrons · Physics 2014-11-03 W. T. Jayasekara , W. Tian , H. Hodovanets , P. C. Canfield , S. L. Bud'ko , A. Kreyssig , A. I. Goldman