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Related papers: Brownmillerite Ca2Co2O5: Synthesis, Stability, and…

200 papers

We report on the thermodynamic, magnetic properties and the magnetic structure of ludwigite-type Cu2MnBO5. The specific heat, the low-field magnetization and the paramagnetic susceptibility were studied on a single crystal and combined with…

The complex perovskite Pb2CoTeO6 (PCTO) has been prepared as polycrystalline powders by solid state reaction route, and the crystal structure and magnetic properties have been investigated using a combination of X-ray and neutron powder…

Materials Science · Physics 2010-12-01 S. A. Ivanov , P. Nordblad , R. Mathieu , R. Tellgren , C. Ritter

The crystal and magnetic structures of AlFe2B2 have been studied with a combination of X-ray and neutron diffraction and electronic structure calculations. The magnetic and magnetocaloric properties have been investigated by magnetisation…

Single crystals of EuPd2Sb2 have been grown from PdSb self-flux. The properties of the single crystals have been investigated by x-ray diffraction, magnetic susceptibility chi, magnetization M, electrical resistivity rho, Hall coefficient…

Superconductivity · Physics 2010-11-17 S. Das , K. McFadden , Yogesh Singh , R. Nath , A. Ellern , D. C. Johnston

Calcium cobaltite thin films with a ratio Ca/Co=1 were grown on (101)-NdGaO3 substrate by the pulsed laser deposition technique. The structure of the deposited metastable phase is solved using a precession electron diffraction 3D dataset…

Materials Science · Physics 2009-05-13 P. Boullay , V. Dorcet , O. Perez , C. Grygiel , W. Prellier , B. Mercey , M. Hervieu

Single crystals of ludwigite Ni2MnBO5 were synthesized by flux growth technique. The detailed structural and magnetic characterizations of the synthesized samples have been carried out. The cations composition of the studied crystal was…

Neutron diffraction studies have been carried out on a single crystal of oxygen-deficient perovskite TbBaCo2O5.5 in the temperature range of 7-370 K. There have been observed several magnetic or structural transitions. Among these, the…

Strongly Correlated Electrons · Physics 2009-11-10 Minoru Soda , Yukio Yasui , Toshiaki Fujita , Takeshi Miyashita , Masatoshi Sato , Kazuhisa Kakurai

The complex perovskite Ba2CoTeO6 (BCTO) has been synthesised, and the crystal structure and magnetic properties have been investigated using a combination of X-ray and neutron powder diffraction, electron microscopy and dielectric,…

Materials Science · Physics 2010-12-01 S. A. Ivanov , P. Nordblad , R. Mathieu , R. Tellgren , C. Ritter

We prepared the brownmillerite oxide Ca_{2-y}La_yCo_{2-x}Al_xO_5, and found that it was an n-type conductor. The thermopower and the resistivity of the single crystal are -90 microV/K and 68 mOhm cm along the ab direction at 440 K, which…

Strongly Correlated Electrons · Physics 2007-05-23 W. Koayashi , A. Satake , I. Terasaki

(Mn,Fe)2(P,Si) single crystals have been successfully grown by flux method. Single crystal diffraction demonstrates that Mn0.83Fe1.17P0.72Si0.28 crystallizes in a hexagonal crystal structure (space group P-62m) at both 100 and 280 K, in the…

Materials Science · Physics 2015-08-03 H. Yibole , F. Guillou , Y. K. Huang , G. R. Blake , A. J. E. Lefering , N. H. van Dijk , E. Brück

We report both experimental and theoretical investigations of the physical properties of Ba$_\mathrm{2}$Mn$_\mathrm{2}$Sb$_\mathrm{2}$O single crystals. This material exhibits a hexagonal structure with lattice constants: a = 4.7029(15)…

Strongly Correlated Electrons · Physics 2012-12-05 J. Li , C. E. Ekuma , I. Vekhter , M. Jarrell , J. Moreno , S. Stadler , A. B. Karki , R. Jin

Recent results have demonstrated an exceptionally high dielectric constant in the range 200 K-330 K in a crystalline tianium oxide : Rb2Ti2O5. In this article, the possibility of a structural transition giving rise to ferroelectricity is…

We report on a solution-growth based method to synthesise single crystals of Y$_2$Co$_3$ and on its structural and magnetic properties. We find that Y$_2$Co$_3$ crystallizes in the La2Ni3-type orthorhombic structure with space group Cmce…

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 have grown a YCrO$_3$ single crystal by the floating-zone method and studied its temperature-dependent crystalline structure and magnetization by X-ray powder diffraction and PPMS DynaCool measurements. All diffraction patterns were well…

Strongly Correlated Electrons · Physics 2024-03-08 Qian Zhao , Yinghao Zhu , Si Wu , Junchao Xia , Pengfei Zhou , Kaitong Sun , Hai-Feng Li

We have synthesized single crystals of Na$_3$Co$_2$SbO$_6$ and characterized the structure and magnetic order by measuring anisotropic magnetic properties, heat capacity, x-ray and neutron single crystal diffraction. Magnetic properties and…

Strongly Correlated Electrons · Physics 2019-07-17 J. -Q. Yan , S. Okamoto , Y. Wu , Q. Zheng , H. D. Zhou , H. B. Cao , M. A. McGuire

We report the synthesis, and structural and physical properties of CaFe4As3 single crystals. Needle-like single crystals of CaFe4As3 were grown out of Sn flux and the compound adopts an orthorhombic structure as determined by X-ray…

Superconductivity · Physics 2015-05-27 A. B. Karki , G. T. McCandless , S. Stadler , Y. M. Xiong , J. Li , Julia Y. Chan , R. Jin

We suceeded in the preparation of polycrystalline Ca_2FeReO_6 which has a Curie temperature of 540 K, the highest value of all magnetic perovskites investigated up to now. This material has been characterised by X-ray and neutron powder…

Materials Science · Physics 2007-05-23 W. Westerburg , O. Lang , C. Felser , W. Tremel , M. Waldeck , F. Renz , P. Guetlich , C. Ritter , G. Jakob

Millimeter-sized MnBi$_2$Te$_4$ single crystals are grown out of Bi-Te flux and characterized by measuring magnetic and transport properties, scanning tunneling microscope (STM) and spectroscopy (STS). The magnetic structure of…

Materials Science · Physics 2019-06-18 J. -Q. Yan , Q. Zhang , T. Heitmann , Z. L. Huang , W. D. Wu , D. Vaknin , B. C. Sales , R. J. McQueeney

Crystal and magnetic structures of $R_2$Ni$_2$In ($R$ = Tb and Ho) have been studied by powder neutron diffraction at low temperatures. The compounds crystallize in an orthorhombic crystal structure of the Mn$_2$AlB$_2$-type. At low…

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