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Samples suitable for electron diffraction studies must satisfy certain characteristics such as having a thickness in the range of 10 - 100 nm. We report, to our knowledge, the first successful synthesis technique of nanometer-thin sheets of…

Chemical Physics · Physics 2024-01-17 Hazem Daoud , Sreelaja Pulleri Vadhyar , Ehsan Nikbin , Cheng Lu , R. J. Dwayne Miller

A novel alluaudite type vanadate has been successfully synthesized in its single crystal and polycrystalline forms. Its crystal structure was determined by means of X ray diffraction measurements. This new vanadate crystallizes in…

Ruthenates comprise an interesting class of materials with a wide range of extremely exciting properties, and thus the discovery of new stable ruthenates remains an active area of investigation. We report the crystal growth and…

Two-dimensional materials have attracted tremendous attention for their fascinating electronic, optical, chemical and mechanical properties. However, the band gaps of most 2D materials reported are smaller than 2.0 eV, which greatly…

Materials Science · Physics 2018-02-14 Hang Xiao , Xiaoyang Shi , Feng Hao , Xiangbiao Liao , Yayun Zhang , Xi Chen

We report the growth of large single-crystals of Cu2MnAl, a ferromagnetic Heusler compound suitable for polarizing neutron monochromators, by means of optical floating zone under ultra-high vacuum compatible conditions. Unlike Bridgman or…

High temperature crystal structure of UPt$_2$Si$_2$ determined using single-crystal neutron diffraction at 400 K is reported. It is found that the crystal structure remains of the primitive tetragonal CaBe$_2$Ge$_2$ type with the space…

Strongly Correlated Electrons · Physics 2020-02-28 K. Prokes , O. Fabelo , S. Sullow , J. Lee , J. Mydosh

The linear compressibilities and the thermal expansion of an untwinned, nearly optimal doped YBa2Cu3O6.94 single crystal were measured along the three crystallographic axes with a high-resolution dilatometer mounted in a high-pressure cell.…

Superconductivity · Physics 2007-05-23 K. Grube , H. Leibrock , W. H. Fietz , S. I. Schlachter , A. I. Rykov , S. Tajima , P. Schweiss , B. Obst , H. Wuehl

Here we report the growth of sub-millimeter MgB2 single crystals of various shapes under high pressure in Mg-B-N system. Structure refinement using a single-crystal X-ray diffraction analysis gives lattice parameters a=3.0851(5) A and…

Superconductivity · Physics 2009-11-07 S. Lee , H. Mori , T. Masui , Yu. Eltsev , A. Yamamoto , S. Tajima

A theoretical investigation was conducted on Na-based fluoro-perovskites NaYF3 (Y = Sc, Ti) to examine their structural, optical, electronic, and mechanical characteristics for the first time. These cubic compounds exhibit structural…

We investigated the occurrence and nature of superconductivity in single crystals of YFe$_2$Ge$_2$ grown out of Sn flux by employing x-ray diffraction, electrical resistivity, and specific heat measurements. We found that the residual…

Superconductivity · Physics 2015-06-22 H. Kim , S. Ran , E. D. Mun , H. Hodovanets , M. A. Tanatar , R. Prozorov , S. L. Bud'ko , P. C. Canfield

Large single crystals of La-doped CaFe2As2 were successfully synthesized by the FeAs self-flux method. The x-ray diffraction patterns suggest high crystalline quality and c-axis orientation. By substitution of trivalent La3+ ions for…

Superconductivity · Physics 2015-05-28 Zhaoshun Gao , Yanpeng Qi , Lei Wang , Dongliang Wang , Xianping Zhang , Chao Yao , Chunlei Wang , Yanwei Ma

We report growth of single crystals of the non-magnetic metallic delafossite PdRhO_{2}, comparing the results from three different methods. Complete crystallographic data were obtained from single crystal X-ray diffraction, and electronic…

Mesoscale and Nanoscale Physics · Physics 2017-06-26 P. Kushwaha , H. Borrmann , S. Khim , H. Rosner , P. J. W. Moll , D. A. Sokolov , V. Sunko , Yu. Grin , A. P. Mackenzie

Ferroelectric HfO2-based materials hold great potential for widespread integration of ferroelectricity into modern electronics due to their robust ferroelectric properties at the nanoscale and compatibility with the existing Si technology.…

In this letter, we report growth and characterization of bulk Bi2Se3 single crystals. The studied Bi2Se3 crystals are grown by self flux method through solid state reaction from high temperature (950C) melt of constituent elements and slow…

Recently, Mun et.al. (Phys. Rev. Lett., 76, 2790 (1996)) have published their results on single crystal YNi_2B_2C, claiming that their experimental observations can be explained in terms of formation of Vortex Glass and Lattice melting. Our…

supr-con · Physics 2009-10-30 S. Sridhar , S. Oxx , B. A. Willemsen , H. Srikanth , D. P. Choudhury

High purity Na0.75CoO2 single crystals have been grown by floating zone method. We found the rotation of feed and seed rods play a crucial role in growing high quality single crystal. Systematic investigations suggest the occurrence of a…

Strongly Correlated Electrons · Physics 2011-03-22 C. Sekar , S. Paulraj , P. Kanchana , B. Schupp-Niewa , R. Klingeler , G. Krabbes

Recently, the signatures of superconductivity near 80 K have been discovered in the single crystal of La3Ni2O7 under pressure, which makes it a new candidate of the high-temperature superconductors dominated by 3d transition elements after…

The crystal structure, phonon spectrum, and elastic constants of a series of rare-earth germanates (including yttrium germanate R2Ge2O7 (R = Tb-Lu, Y)) with a tetragonal structure have been ab initio calculated within the density functional…

Strongly Correlated Electrons · Physics 2025-11-18 V. S. Ryumshin , V. A. Chernyshev

In this report we present an investigation of the optical properties and band structure calculations for the photonic structures based on the functional materials- ferroelectrics. A theoretical approach to the optical properties of the 2D…

Optics · Physics 2013-05-08 Sevket Simsek , Amirullah M. Mamedov , Ekmel Ozbay

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