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Related papers: On the Crystallization of Terbium Aluminium Garnet

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Single crystals of the systems Pr0.5(Ca1-xSrx)0.5MnO3, (Pr1-yYy)0.5(Ca1-xSrx)0.5MnO3, and Sm0.5Sr0.5MnO3 were grown to provide a series of samples with fixed ratio Mn(III)/Mn(IV)=1 having geometric tolerance factors that span the transition…

Materials Science · Physics 2009-11-07 F. Rivadulla , E. Winkler , J. -S. Zhou , J. B. Goodenough

We report the Terahertz optical properties of the Vanadium doped [100] \b{eta}-Ga2O3 using Terahertz Time-Domain Spectroscopy (THz-TDS). The V-doped \b{eta}-Ga2O3 crystal shows strong birefringence in the 0.2-2.4 THz range. Further, phase…

In a joint theoretical and experimental investigation we show that a series of transition metals with strained body-centered cubic lattice ---W, Ta, Nb, and Mo--- host surface states that are topologically protected by mirror symmetry. Our…

In this work, we investigate calcium titanate (CaTiO3 - CTO) using X-ray diffraction and Raman spectroscopy up to 60 and 55 GPa respectively. Both experiments show that the orthorhombic Pnma structure remains stable up to the highest…

Tantalum pentoxide (Ta2O5) is a wide-gap semiconductor which has important technological applications. Despite the enormous efforts from both experimental and theoretical studies, the ground state crystal structure of Ta2O5 is not yet…

Materials Science · Physics 2018-03-21 Yong Yang , Yoshiyuki Kawazoe

The present work describes a synthesis route for bulk Ta4AlC3 MAX phase ceramics with high phase purity. Pressure assisted densification was achieved by both hot pressing and spark plasma sintering of tantalum hydride, aluminium and carbon…

Single crystals of thallium-based cuprates with the general formula Tl$_{2}$Ba$_{2}$Ca$_{n-1}$Cu$_{n}$O$_{x}$(n=1,2,3) have been grown by the flux method. The superconducting transition temperatures determined by the ac magnetic…

Superconductivity · Physics 2009-11-11 Y. C. Ma , N. L. Wang

Large size single crystals of potassium L-ascorbate monohydrate (KLAM), (KC6H7O6.H2O) are grown using solution growth technique by lowering the temperature at the rate of 0.24 {\deg}C/h, where water was used as solvent. The structure of…

Materials Science · Physics 2021-01-08 Dhanpal Bairwa , K Raghavendra Rao , Diptikanta Swain , T. N. Guru Row , H. L. Bhat , Suja Elizabeth

A series of garnets of formula Er3+xGa5-xO12 is described, for which we report the crystal structures for both polycrystalline and single-crystal samples. The x limit in the garnet phase is between 0.5 and 0.6 under our conditions, with the…

Materials Science · Physics 2023-06-22 Chen Yang , Haozhe Wang , Lun Jin , Xianghan Xu , Danrui Ni , Jeff D. Thompson , Weiwei Xie , R. J. Cava

Using first-principles calculation and symmetry analysis, we propose that \theta-TaN is a topological semimetal having a new type of point nodes, i.e., triply degenerate nodal points. Each node is a band crossing between degenerate and…

Materials Science · Physics 2016-06-29 Hongming Weng , Chen Fang , Zhong Fang , Xi Dai

We have computed second and third nonlinear optical susceptibilities of two crystalline bulk tellurium oxide polymorphs: $\alpha$-TeO$_{2}$ (the most stable crystalline bulk phase) and $\gamma$-TeO$_{2}$ (the crystalline phase that…

Materials Science · Physics 2011-07-15 Nabil Berkaine , Emmanuelle Orhan , Olivier Masson , Philippe Thomas , Javier Junquera

The methodology of single crystal growth of metastable $\beta$-Ti alloy TIMETAL LCB in an optical floating zone furnace is presented in this paper. Chemical compositions of both precursor material and single crystals were checked. It was…

Materials Science · Physics 2018-03-21 Jana Šmilauerová , Jiří Pospíšil , Petr Harcuba , Václav Holý , Miloš Janeček

Germanium is an extremely important material used for numerous functional applications in many fields of nanotechnology. In this paper, we study the crystallization of amorphous Ge using atomistic simulations of critical nano-metric nuclei…

Materials Science · Physics 2015-07-15 Luis A. Sandoval , Celia Reina , Jaime Marian

We present a combined theoretical and experimental study of the high-pressure behavior of thallium. X-ray diffraction experiments have been carried out at room temperature up to 125 GPa using diamond-anvil cells, nearly doubling the…

Materials Science · Physics 2016-10-04 C. Cazorla , S. G. MacLeod , D. Errandonea , K. A. Munro , M. I. McMahon , C. Popescu

Based on differential thermal analysis (DTA) and X-ray powder diffraction (XRD), a description of the system Nd$_2$O$_3$--Lu$_2$O$_3$--Sc$_2$O$_3$ was obtained by thermodynamic assessment. Four fields of primary crystallization could be…

Materials Science · Physics 2018-11-14 Tamino Hirsch , Christo Guguschev , Albert Kwasniewski , Steffen Ganschow , Detlef Klimm

The magnetic properties of the Tb-honeycomb lattice compound TbPt6Al3, which crystallizes in the NdPt6Al3-type trigonal structure, have been studied by the measurements of electrical resistivity, magnetization M(T, B), and specific heat on…

Strongly Correlated Electrons · Physics 2025-09-15 R. Oishi , T. Taniguchi , D. T. Adroja , M. D. Le , M. Aouane , T. Onimaru , K. Umeo , I. Ishii , T. Takabatake

A series of (1-x)[(2BaO-0,5Na2O)-1P2O5] -xNb2O5 (BNPN, x=0,41, 0,43, 0,45, 0,48) glass-ceramics based on phosphate glasses have been prepared via a controlled-crystallization route. The structure, dielectric properties, interfacial…

In this paper, we revisit the high-pressure behavior of BaZrO3 by a combination of first-principle calculations, Raman spectroscopy, and x-ray diffraction under high pressure. We confirm experimentally the cubic-to-tetragonal transition at…

A high-quality single crystal of Ce3Pt23Si11 has been grown using the Czochralski method. The crystal structure is presented and the chemical composition has been checked using an electron microprobe analyzer. Measurements of the electrical…

Strongly Correlated Electrons · Physics 2009-04-24 C. Opagiste , C. Paulsen , E. Lhotel , P. Rodiere , R. -M. Galera , P. Bordet , P. Lejay

The paper presents ab initio results on the structural phase stability of beryllium and magnesium crystals under high and ultrahigh pressures (multi-terapascal regime). Magnesium is shown to undergo a number of structural transformations…

Plasma Physics · Physics 2024-06-04 N. A. Smirnov