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We have investigated the crystal and magnetic structure of Mn${}_{2}$PtPd alloy using powder x-ray and neutron diffraction experiments. This compound is believed to belong to the Heusler family having crystal symmetry…

Materials Science · Physics 2020-03-27 Vivek Kumar , Manfred Reehuis , Andreas Hoser , Peter Adler , Claudia Felser

Single crystals of ZrAs1.4Se0.5 (PbFCl type structure) were grown by chemical vapour transport. While their thermodynamic and transport properties are typical for ordinary metals, the electrical resistivity exhibits a shallow minimum at low…

Strongly Correlated Electrons · Physics 2015-06-25 M. Schmidt , T. Cichorek , R. Niewa , A. Schlechte , Y. Prots , F. Steglich , R. Kniep

The reliable calculation of electronic structures and understanding of electrical properties depends on an accurate model of the crystal structure. Here, we have reinvestigated the crystal structure of the high-zT thermoelectric material…

Materials Science · Physics 2018-08-14 I. Loa , S. R. Popuri , A. D. Fortes , J. W. G. Bos

X-ray diffraction studies on a Pb(Zn$_{1/3}$Nb$_{2/3}$)O$_3$ (PZN) single crystal sample show the presence of two different structures. An outer-layer exists in the outer most $\sim$ 10 to 50~$\mu$m of the crystal, and undergoes a…

Materials Science · Physics 2009-11-10 Guangyong Xu , Z. Zhong , Y. Bing , Z. -G. Ye , C. Stock , G. Shirane

Using high-resolution dilatometry, we study the thermodynamic response of the lattice parameters to superconducting order in a self-flux grown Ba(Fe0.92Co0.08)2As2 single crystal. The uniaxial pressure dependencies of the critical…

Superconductivity · Physics 2015-05-13 Frederic Hardy , Peter Adelmann , Hilbert v. Loehneysen , Thomas Wolf , Christoph Meingast

The crystal structures of the Sr1-xCaxRuO3 perovskites are investigated using both long range and local structural probes. High resolution synchrotron powder X-ray diffraction characterization at ambient temperature shows that the materials…

Materials Science · Physics 2020-03-25 Loi T. Nguyen , Milinda Abeykoon , Jing Tao , Saul Lapidus , R. J. Cava

In this article we present a neutron diffraction in-situ study of the thermal evolution and high-temperature structure of layered cobaltites Y(Ba, Sr)Co2 O5+{\delta}. Neutron thermodiffractograms and magnetic susceptibility measurements are…

Materials Science · Physics 2015-05-19 G Aurelio , R D Sánchez , J Curiale , G J Cuello

Superconductivity is observed with critical temperatures near 9K in the tetragonal compound Mo5PB2. This material adopts the Cr5B3 structure type common to supercondcuting Nb5Si3-xBx, Mo5SiB2, and W5SiB2, which have critical temperatures of…

Superconductivity · Physics 2016-03-10 Michael A. McGuire , David S. Parker

The crystal and magnetic structures of the spinel compounds ZnCr$_2$S$_4$ and ZnCr$_2$Se$_4$ were investigated by high resolution powder synchrotron and neutron diffraction. ZnCr$_2$Se$_4$ exhibits a first order phase transition at $T_N=21$…

Strongly Correlated Electrons · Physics 2009-11-13 F. Yokaichiya , A. Krimmel , V. Tsurkan , I. Margiolaki , P. Thompson , H. N. Bordallo , A. Buchsteiner , N. Stüßer , D. N. Argyriou , A. Loidl

Crystal structure and thermodynamic properties of Na$_2$SrCo(PO$_4$)$_2$, the chemical sibling of the triangular quantum spin-liquid candidate Na$_2$BaCo(PO$_4$)$_2$, are reported. From single crystal x-ray diffraction and high-resolution…

Strongly Correlated Electrons · Physics 2022-08-12 Vera P. Bader , Jan Langmann , Philipp Gegenwart , Alexander A. Tsirlin

Superconducting poly- and single-crystalline samples of Sm1-xThxFeAsO with partial substitution of Sm3+ by Th4+ were synthesized and grown under high pressure and their structural, magnetic and transport properties are studied. The…

Superconductivity · Physics 2011-05-25 N. D. Zhigadlo , S. Katrych , S. Weyeneth , R. Puzniak , P. Moll , Z. Bukowski , J. Karpinski , H. Keller , B. Batlogg

We report single crystal growth of the series of CeTAl$_3$ compounds with T = Cu, Ag, Au, Pd and Pt by means of optical float zoning. High crystalline quality was confirmed in a thorough characterization process. With the exception of…

Strongly Correlated Electrons · Physics 2017-03-16 C. Franz , A. Senyshyn , A. Regnat , C. Duvinage , R. Schönmann , A. Bauer , Y. Prots , L. Akselrud , V. Hlukhyy , V. Baran , C. Pfleiderer

We report on the results of powder and single crystal neutron diffraction to investigate the magnetic order in YbCo$_2$Si$_2$ below the N\'eel temperature $T_{\rm N} = 1.7~$K in detail. Two different magnetically ordered phases can clearly…

Strongly Correlated Electrons · Physics 2016-08-03 N. Mufti , K. Kaneko , A. Hoser , M. Gutmann , C. Geibel , C. Krellner , O. Stockert

We studied the properties of the antiferromagnetic (AFM) UNi0.5Sb2 (TN \approx 161 K) compound in Sb-flux grown single crystals by means of measurements of neutron diffraction, magnetic susceptibility ({\chi}), specific heat (Cp),…

Strongly Correlated Electrons · Physics 2015-05-28 M. S. Torikachvili , B. K. Davis , K. Kothapalli , H. Nakotte , A. J. Schultz , E. D. Mun , S. L. Bud'ko

The crystal structure of Pb$_{10}$(PO$_4$)$_6$O, the proposed matrix for the potential room-temperature superconductor LK-99, Pb$_{10-x}$Cu$_x$(PO$_4$)$_6$O ($x = 0.9-1.0$), has been reinvestigated by single-crystal X-ray diffraction using…

Superconductivity · Physics 2023-08-10 Sergey V. Krivovichev

Materials with low thermal conductivity usually have complex crystal structures. Herein we experimentally find that a simple crystal structure material AgTlI2 (I4/mcm) owns an extremely low thermal conductivity of 0.25 W/mK at room…

Nematic superconductors are characterized by an apparent crystal symmetry breaking that results in the anisotropy of the in-plane upper critical magnetic field $H_{c2}$. The symmetry breaking is usually attributed to the strain of the…

The thermal conductivities of beta-Ga2O3 single crystals along four different crystal directions were measured in the temperature range of 80-495K using the time domain thermoreflectance (TDTR) method. A large anisotropy was found. At room…

X-ray diffraction experiments show that solid 4He grown in aerogel is highly polycrystalline, with a hcp crystal structure (as in bulk) and a crystallite size of approximately 100 nm. In contrast to the expectation that the highly…

Other Condensed Matter · Physics 2009-11-13 N. Mulders , J. T. West , M. H. W. Chan , C. N. Kodituwakku , C. A. Burns , L. B. Lurio

The low-temperature crystal structure of Fe1.13Te, which exhibits an anomalous two-step magnetic transition, was clarified by the systematic x-ray diffraction measurements. It was found that two-step structural phase transition,…

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