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A novel bottom-cooling high-temperature solution growth technique is developed for growing large-sized relaxor ferroelectric 0.91Pb(Zn1/3Nb2/3O3)-0.09PbTiO3 (PZN-PT) single crystals. During the growth, an inverse temperature gradient is…

Centimeter sized platelet single crystals of KFe2As2 were grown using a self-flux method. An encapsulation technique using commercial stainless steel container allowed the stable crystal growth lasting for more than 2 weeks. Ternary K-Fe-As…

First single crystal fibers of cerium doped strontium yttrate are fabricated using the laser-heated pedestal growth technique. Through thermodynamic equilibrium calculations and by high-temperature mass spectrometry suitable growth…

Materials Science · Physics 2017-11-03 Jan Philippen , Christo Guguschev , Detlef Klimm

We have grown a single crystal of the equiatomic FeCoCrMnAl high-entropy alloy. The crystal was grown by means of the Bridgman technique and is about 1 cm in diameter and 6.6 cm in length. X-ray Laue images taken at various positions on the…

Materials Science · Physics 2018-03-22 M. Feuerbacher , E. Wuertz , C. Thomas

We report the magnetic structure and properties of a thiocyanate-based honeycomb magnet [Na(OH$_2$)$_3$]Mn(NCS)$_3$ which crystallises in the unusual low-symmetry trigonal space group $P\overline{3}$. Magnetic measurements on powder samples…

Zero field cooled (ZFC)/Field Cooled (FC) magnetization curves of a bulk MnO single crystal show a peculiar peak at low temperatures (~40K) similar to the low temperature peak observed in MnO nanoparticles. In order to investigate the…

Materials Science · Physics 2017-08-02 X. Sun , E. Feng , Y. Su , K. Nemkovski , O. Petracic , T. Brückel

The compound CaV2O4 contains V^{+3} cations with spin S = 1 and has an orthorhombic structure at room temperature containing zigzag chains of V atoms running along the c-axis. We have grown single crystals of CaV2O4 and report…

We report the growth of single crystals of SrCu2As2, SrCu2Sb2, SrCu2(As{0.84}Sb{0.16})2 and BaCu2Sb2 using the self-flux technique and their structural, magnetic, thermal and transport properties that were investigated by powder x-ray…

Superconductivity · Physics 2012-09-11 V. K. Anand , P. Kanchana Perera , Abhishek Pandey , R. J. Goetsch , A. Kreyssig , D. C. Johnston

Single crystals of undoped CaFe2As2 were grown by a FeAs self-flux method, and the crystals were quenched in ice-water rapidly after high temperature growth. The quenched crystal undergoes a collapsed tetragonal structural phase transition…

Superconductivity · Physics 2017-08-22 Dong-Yun Chen , Jia Yu , Bin-Bin Ruan , Qi Guo , Lei Zhang , Qing-Ge Mu , Xiao-Chuan Wang , Bo-Jin Pan , Gen-Fu Chen , Zhi-An Ren

We report high resolution single crystal x-ray diffraction measurements of the frustrated pyrochlore magnet Tb2Ti2O7, collected using a novel low temperature pulsed magnet system. This instrument allows characterization of structural…

Strongly Correlated Electrons · Physics 2012-07-16 J. P. C. Ruff , Z. Islam , J. P. Clancy , K. A. Ross , H. Nojiri , Y. H. Matsuda , H. A. Dabkowska , A. D. Dabkowski , B. D. Gaulin

In their recent communication (Phys. Rev. B 64, 060406(R) (2001)) Cornelius and Gardner have reported the results of magnetization and susceptibility studies on single crystals of the pyrochlore Ho2Ti2O7. The observed field dependence of…

Strongly Correlated Electrons · Physics 2009-11-07 O. A. Petrenko , M. R. Lees , G. Balakrishnan

We report on the growth of single-crystal potassium birnessite (K0.31MnO2*0.41H2O) and present both the average and local structural characterization of this frustrated magnetic system. Single crystals were obtained employing a flux growth…

The magnetic and structural properties of single crystal Fe$_{1-x}$Co$_x$V$_2$O$_{4}$ samples have been investigated by performing specific heat, susceptibility, neutron diffraction, and X-ray diffraction measurements. As the orbital-active…

Materials Science · Physics 2017-09-07 R. Sinclair , J. Ma , H. B. Cao , T. Hong , M. Matsuda , Z. L. Dun , H. D. Zhou

The growth of single-layer MoS2 with chemical vapor deposition is an established method that can produce large-area and high quality samples. In this article, we investigate the geometrical and optical properties of hundreds of individual…

Mesoscale and Nanoscale Physics · Physics 2017-04-07 Foad Ghasemi , Riccardo Frisenda , Dumitru Dumcenco , Andras Kis , David Perez de Lara , Andres Castellanos-Gomez

Thorough mixing of the starting materials is the first step of a crystal growth procedure. This holds true for almost any standard technique, whereas the intentional separation of educts is considered to be restricted to a very limited…

Materials Science · Physics 2016-11-11 F. Freund , S. C. Williams , R. D. Johnson , R. Coldea , P. Gegenwart , A. Jesche

The crystal structures of the A2B2O7-x Niobium-based pyrochlores Y2(Nb0.86Y0.14)2O6.91, CaYNb2O7, and Y2NbTiO7 are reported, determined by powder neutron diffraction. These compounds represent the first observation of B-site displacements…

Strongly Correlated Electrons · Physics 2009-02-02 T. M. McQueen , B. Muegge , Q. Huang , K. Noble , H. W. Zandbergen , R. J. Cava

We report temperature and thermal-cycling dependence of surface and bulk structures of double-layered perovskite Sr3Ru2O7 single crystals. The surface and bulk structures were investigated using low-energy electron diffraction (LEED) and…

Strongly Correlated Electrons · Physics 2015-05-18 Biao Hu , Gregory T. McCandless , Melissa Menard , V. B. Nascimento , Julia Y. Chan , E. W. Plummer , R. Jin

The recent claim of superconductivity above room temperature in Pb$_{10-x}$Cu$_x$(PO$_4$)$_6$O with 0.9 < $x$ < 1 (referred to as LK-99) has sparked considerable interest. To minimize the influence of structural defects and impurity phases…

Superconductivity · Physics 2023-10-27 P. Puphal , M. Y. P. Akbar , M. Hepting , E. Goering , M. Isobe , A. A. Nugroho , B. Keimer

We report the synthesis and structural study of mixed oxides in the Ln2ScNbO7 series. New phases with Ln = Pr, Eu, Gd and Dy are obtained. All crystallize in the cubic pyrochlore structure type, space group F-d3m, with no Sc-Nb ordering on…

Materials Science · Physics 2008-12-16 Siwar Zouari , Rafik Ballou , Abdelwaheb Cheikh-Rouhou , Pierre Strobel

High quality single crystals of Cs$_2$Au$_2$X$_6$ (X=Br,I) were grown using a ternary self-flux method. Structural refinements based on single crystal X-ray diffraction measurements show that both materials have a distorted perovskite…