English
Related papers

Related papers: Intergrowth and thermoelectric properties in the B…

200 papers

The Mott-insulating rare-earth titanates (RTiO$_3$, R being a rare-earth ion) are an important class of materials that encompasses interesting spin-orbital phases as well as ferromagnet-antiferromagnet and insulator-metal transitions. The…

We report the electrical resistivity, thermoelectric power, and thermal conductivity of single-crystalline and sintered samples of the 5d pyrochlore oxide CsW2O6. The electrical resistivity of the single crystal is 3 mohm cm at 295 K and…

Materials Science · Physics 2020-11-19 Yoshihiko Okamoto , Kenta Niki , Rikuto Mitoka , Koshi Takenaka

Single crystals of iridates are usually grown by a flux method well above the boiling point of the SrCl2 solvent. This leads to non-equilibrium growth conditions and dramatically shortens the lifetime of expensive Pt crucibles. Here, we…

We report on the single crystal growth of the heavy-fermion compounds YbRh2Si2 and YbIr2Si2 using a high-temperature indium-flux technique. The optimization of the initial composition and the temperature-time profile lead to large (up to…

Strongly Correlated Electrons · Physics 2012-07-06 Cornelius Krellner , Sebastian Taube , Tanja Westerkamp , Zakir Hossain , Christoph Geibel

The anomalous thermal expansion in a layered 3$d$-5$d$ based triple perovskite iridate Ba$_{3}$CoIr$_{2}$O$_{9}$ is investigated using high resolution synchrotron diffraction. Below the magneto-structural transition at 107\,K, the onset of…

Strongly Correlated Electrons · Physics 2021-04-21 Charu Garg , Antonio Cervellino , Sunil Nair

Single crystals of the novel strontium osmate Sr3Os4O14 have been grown by the hydrothermal method using opposed anvil high-pressure and high-temperature technique. The reaction took place in sealed gold capsules at 3 GPa and a temperature…

Materials Science · Physics 2023-09-13 N. D. Zhigadlo

We report growth of high-quality single crystals of CeCl3 using a modified Bridgman Stockbarger method in an infrared image furnace. The grown crystals are characterized using single-crystal/powder X-ray diffraction, Laue X-ray diffraction,…

Strongly Correlated Electrons · Physics 2024-07-03 Nashra Pistawala , Suman Karmakar , Rajeev Rawat , Surjeet Singh

We report a study on the crystal growth of the hexagonal manganites $R$MnO$_3$ ($R$ = Y, Lu, Ho, Er, and Tm) by using an optical floating-zone method. It was found that high-quality single crystals of $R$ = Y, Lu, and Ho could be easily…

Strongly Correlated Electrons · Physics 2015-06-17 C. Fan , Z. Y. Zhao , J. D. Song , J. C. Wu , F. B. Zhang , X. F. Sun

The structural properties of a $\beta$-Ga$_2$O$_3$ single crystal grown by the oxide crystal growth from cold crucible (OCCC) method were investigated using synchrotron radiation X-ray topography and X-ray reticulography. The region grown…

In this report, the synthesis of high-entropy wolframite oxide (CoCuNiFeZn)$_{1-x}$Ga$_x$WO$_4$ through standard solid-state route followed by spark plasma sintering (SPS) and their structural, microstructural, and thermoelectric properties…

The present paper is concerned with the development of a micromechanical model of the hardening, rate-sensitivity and thermal softening of bcc crystals. In formulating the model we specifically consider the following unit processes:…

Materials Science · Physics 2009-11-07 Laurent Stainier , Alberto M. Cuitino , Michael Ortiz

Polycrystalline lead-free Ba$_{0.85}$Ca$_{0.15}$Zr$_{0.10}$Ti$_{0.90}$O$_3$ (BCZT), BaTi$_{0.89}$Sn$_{0.11}$O$_3$ (BTSn) and 0.4Ba$_{0.85}$Ca$_{0.15}$Zr$_{0.10}$Ti$_{0.90}$O$_3$-0.6BaTi$_{0.89}$Sn$_{0.11}$O$_3$ (0.4BCZT-0.6BTSn)…

Materials Science · Physics 2023-06-13 S. Khardazi , H. Zaitouni , A. Neqali , S. Lyubchyk , D. Mezzane , M. Amjoud , E. Choukri , S. Lyubchyk , Z. Kutnjak

We report anisotropic dc magnetic susceptibility $\chi(T)$, electrical resistivity $\rho(T)$, and heat capacity $C(T)$ measurements on the single crystals of CaFe$_{2-x}$Co$_x$As$_2$ for $x$ = 0 and 0.06. Large sized single crystals were…

Superconductivity · Physics 2009-11-13 Neeraj Kumar , R. Nagalakshmi , R. Kulkarni , P. L. Paulose , A. K. Nigam , S. K. Dhar , A. Thamizhavel

The synthesis and crystallography, magnetic susceptibility chi, magnetization M, specific heat Cp, in-plane electrical resistivity rho and in-plane magnetic penetration depth measurements are reported for single crystals of APd2As2 (A = Ca,…

Superconductivity · Physics 2013-06-21 V. K. Anand , H. Kim , M. A. Tanatar , R. Prozorov , D. C. Johnston

Single crystals of RbOs2O6 have been grown from Rb2O and Os in sealed quartz ampoules. The crystal structure has been identified at room temperature as cubic with the lattice constant a = 10.1242(12) A. The anisotropy of the tetrahedral and…

Superconductivity · Physics 2009-11-13 K. Rogacki , G. Schuck , Z. Bukowski , N. D. Zhigadlo , J. Karpinski

$\alpha$-TeO2 is widely used in acousto-optic devices due to its excellent physical properties. Conventionally, $\alpha$-TeO2 single crystals were grown using melt methods. Here, we report for the first time the growth of $\alpha$-TeO2…

Materials Science · Physics 2024-04-04 Lu Han , Chao Liu , Xiaoli Wang , Feiyu Li , Chuanyan Fan , Junjie Zhang

Single crystals of Ca1-xLaxFe2As2 for x ranging from 0 to 0.25 have been grown and characterized by structural, transport and magnetic measurements. Coexistence of two superconducting phases is observed, in which the low superconducting…

Superconductivity · Physics 2013-10-21 Y. Sun , W. Zhou , L. J. Cui , J. C. Zhuang , Y. Ding , F. F. Yuan , J. Bai , Z. X. Shi

An attempt is made to review the heat transfer and the related problems encountered in the simulation of single crystal growth. The peculiarities of conductive, convective and radiative heat transfer in the different melt, solution, and…

Fluid Dynamics · Physics 2014-10-08 Alexander I. Zhmakin

We report on structural, magnetic, conductivity, and thermodynamic studies of FeSe$_{0.5}$Te$_{0.5}$ single crystals grown by self-flux and Bridgman methods. The samples were prepared from starting materials of different purity at various…

Superconductivity · Physics 2011-03-25 V. Tsurkan , J. Deisenhofer , A. Günther , Ch. Kant , H. -A. Krug von Nidda , F. Schrettle , A. Loidl

We report synthesis of under doped non-superconducting parent compound of iron chalcogenide, i.e FeTe1-xSex (x=0.0, 0.01, 0.03, 0.05) single crystals by flux free method. These FeTe1-xSex (x=0.0, 0.01, 0.03, 0.05) single crystals are…

Superconductivity · Physics 2016-06-17 P. K. Maheshwari , Rajveer Jha , Bhasker Gahtori , V. P. S. Awana