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Layered ruthenates are prototype materials with strong structure-property correlations. We report the structural and physical properties of double-layered perovskite Sr3(Ru1-xMnx)2O7 single crystals with 0<=x<=0.7. Single crystal x-ray…

Strongly Correlated Electrons · Physics 2012-05-01 Biao Hu , Gregory T. McCandless , V. O. Garlea , S. Stadler , Yimin Xiong , Julia Y. Chan , E. W. Plummer , R. Jin

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

With increasing temperature, ${\rm Sr}_2{\rm ScSbO}_6$ undergoes three structural phase transitions at approximately ${\rm 400K}$, ${\rm 560K}$ and ${\rm 650K}$, leading to the following sequence of phases: $P2_1/n \rightarrow I2/m…

Materials Science · Physics 2017-02-09 Rajyavardhan Ray , A K Himanshu , Pintu Sen , Uday Kumar , Manuel Richter , T P Sinha

In this study, different electronic structure evolutions of perovskite single crystals are found via angle-resolved photoelectron spectroscopy (ARPES): (i) unchanged top valence band (VB) dispersions under different temperatures can be…

The surface structure of Bi(110) has been investigated by low-energy electron diffraction (LEED) intensity analysis and by first-principles calculations. Diffraction patterns at a sample temperature of 110 K and normal incidence reveal a…

Other Condensed Matter · Physics 2007-05-23 J. Sun , A. Mikkelsen , M. Fuglsang Jensen , Y. M. Koroteev , G. Bihlmayer , E. V. Chulkov , D. L. Adams , Ph. Hofmann , K. Pohl

The tri-layered perovskite Sr4Rh3O10 is reported for the first time. High-pressure and high-temperature heating (6 GPa and 1500 C) brought about successful preparation of a polycrystalline sample of the expected member at n=3 of…

Strongly Correlated Electrons · Physics 2007-05-23 K. Yamaura , Q. Huang , D. P. Young , E. Takayama-Muromachi

Quasi-two-dimensional averievites with triangle-kagome-triangle trilayers are of interest due to their rich structural and magnetic transitions and strong spin frustration that are expected to host quantum spin liquid ground state with…

Strongly Correlated Electrons · Physics 2025-03-06 Chao Liu , Chao Ma , Tieyan Chang , Xiaoli Wang , Chuanyan Fan , Lu Han , Feiyu Li , Shanpeng Wang , Yu-Sheng Chen , Junjie Zhang

Millimeter sized single crystals of Mo3Sb7 are grown using the self-flux technique and a thorough characterization of their structural, magnetic, thermal and transport properties is reported. The structure parameters for the…

Superconductivity · Physics 2013-05-24 J. -Q. Yan , M. A. McGuire , A. F. May , H. Cao , A. D. Christianson , D. G. Mandrus , B. C. Sales

We present a temperature dependent single crystal x-ray diffraction study of twinned orthorhombic perovskites La1-xCaxMnO3, for x=0.16 and x=0.25. These data show the evolution of the crystal structure from the ferromagnetic insulating…

Materials Science · Physics 2009-11-07 Bas B. Van Aken , Auke Meetsma , Y. Tomioka , Y. Tokura , Thomas T. M. Palstra

We present the single-crystalline x-ray diffraction study on the Ba4Ru3O10 consisting of the corner-shared Ru3O12 trimers. The crystal structure is re-determined from 78 to 300 K across an antiferromagnetic transition at 105 K. The…

Strongly Correlated Electrons · Physics 2013-10-18 Taichi Igarashi , Yoshio Nogami , Yannick Klein , Gwenaelle Rousse , Ryuji Okazaki , Hiroki Taniguchi , Yukio Yasui , Ichiro Terasaki

We report high-resolution neutron powder diffraction on Sr0.61Ba0.39Nb2O6, SBN61, in the temperature range 15-500 K. The results indicate that the low-temperature anomalies (T<100K) observed in the dielectric dispersion are due to small…

Materials Science · Physics 2007-05-23 J. Schefer , D. Schaniel , V. Pomjakushin , U. Stuhr , V. Petricek , Th. Woike , M. Wohlecke , M. Imlau

Large single crystals of the double-perovskite Ba$_2$ScNbO$_6$ were grown from the melt for the first time. With a lattice parameter at room temperature of 4.11672(1) \r{A}, this cubic double-perovskite has an excellent lattice match to…

Materials Science · Physics 2020-01-08 C. Guguschev , D. Klimm , M. Brützam , T. M. Gesing , M. Gogolin , H. Paik , A. Dittmar , V. J. Fratello , D. G. Schlom

We have grown intermetallic ErPd$_2$Si$_2$ single crystals employing laser-diodes with the floating-zone method. The temperature-dependent crystallography was determined using synchrotron and in-house X-ray powder diffraction measurements…

Materials Science · Physics 2022-08-02 Kaitong Sun , Yinghao Zhu , Si Wu , Junchao Xia , Pengfei Zhou , Qian Zhao , Chongde Cao , Hai-Feng Li

Transition metal perovskite oxides display a variety of emergent phenomena which are tunable by tailoring the oxygen octahedral rotation. SrRuO$_3$, a ferromagnetic perovskite oxide, is well-known to have various atomic structures and…

Materials Science · Physics 2022-11-01 Byungmin Sohn , Changyoung Kim

We have investigated the (0001) surfaces of several hexagonal manganite perovskites by low-energy electron diffraction (LEED) in order to determine if the surface periodicity is different from that of the bulk materials. These LEED studies…

Strongly Correlated Electrons · Physics 2013-05-29 R. Vasic , J. T. Sadowski , Y. J. Choi , H. D. Zhou , C. R. Wiebe , S. W. Cheong , J. E. Rowe , M. D. Ulrich

We study the structural evolution of Sr$_3$Ir$_2$O$_7$ as a function of pressure using x-ray diffraction. At a pressure of 54 GPa at room temperature, we observe a first-order structural phase transition, associated with a change from…

Recently, the iridate double perovskite Sr$_2$YIrO$_6$ has attracted considerable attention due to the report of unexpected magnetism in this Ir$^{5+}$ (5d$^4$) material, in which according to the J$_{eff}$ model, a non-magnetic ground…

We use temperature dependent neutron powder diffraction (NPD) to investigate the structural changes and magnetic interactions in double perovskite Sr$_{2-x}$La$_x$CoNbO$_6$ ($x=$ 0.4 and 0.6). A structural phase transition from tetragonal…

Strongly Correlated Electrons · Physics 2022-02-22 Ajay Kumar , Anil Jain , S. M. Yusuf , R. S. Dhaka

We report on the crystallographic information such as lattice parameters, atomic positions, bond lengths and angles, and local crystalline distortion size and mode of single-crystal YCrO$_3$ compound by a high-resolution synchrotron X-ray…

Materials Science · Physics 2024-03-08 Qian Zhao , Si Wu , Yinghao Zhu , Junchao Xia , Hai-Feng Li

The high-pressure crystal structure evolution of CH3NH3PbBr3 (MAPbBr3) perovskite has been investigated by single-crystal X-ray diffraction and synchrotron-based powder X-ray diffraction. Single-crystal X-ray diffraction reveals that the…

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