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Related papers: Structure and magnetic order in Fe2+xV1-xAl

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Changes of the magnetic and crystal structure on the microscopic scale in 40 nm FeRh thin films have been applied to investigate the phenomena of a disorder induced ferromagnetism at room temperature initiated through light ion-irradiation…

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 construct a phase diagram of the parent compound Fe1+xTe as a function of interstitial iron x in terms of the electronic, structural, and magnetic properties. For a concentration of x < 10%, Fe1+xTe undergoes a "semimetal" to metal…

Strongly Correlated Electrons · Physics 2015-06-17 E. E. Rodriguez , D. A. Sokolov , C. Stock , M. A. Green , O. Sobolev , J. A. Rodriguez-Rivera , H. Cao , A. Daoud-Aladine

The Eu-based compound, EuCu2As2, crystallizing in the ThCr2Si2-type tetragonal structure, has been synthesized and its magnetic behavior has been investigated by magnetization (M), heat-capacity (C) and electrical resistivity (rho)…

Strongly Correlated Electrons · Physics 2009-11-11 Kausik Sengupta , P. L. Paulose , E. V. Sampathkumaran , Th. Doert , J. P. F. Jemetio

Using muon spin rotation (muSR) we investigated the magnetic and superconducting properties of a series of Ba(Fe1-xCox)2As2 single crystals with 0 =< x =< 0.15. Our study details how the antiferromagnetic order is suppressed upon Co…

Recently the Ce-based caged-type compounds having general formula CeT2Al10 (T=Fe, Ru and Os) have generated considerable interest due to the Kondo semiconducting paramagnetic ground state (down to 40 mK) observed in CeFe2Al10 and…

Strongly Correlated Electrons · Physics 2015-06-18 D. T. Adroja , A. D. Hillier , Y. Muro , T. Takabatake , A. M. Strydom , A. Bhattacharyya , A. Daoud-Aladin , J. W. Taylor

On the basis of density functional calculations, we report on a comprehensive study of the influences of atomic arrangement and Ni substitution for Al on the ground state structural and magnetic properties for Fe$_2$Ni$_{1+x}$Al$_{1-x}$…

The structural, electronic and magnetic properties of small ${\rm Fe}_m {\rm Rh}_n$ clusters having $N = m+n \leq 8$ atoms are studied in the framework of a generalized-gradient approximation to density-functional theory. The correlation…

Atomic and Molecular Clusters · Physics 2011-10-13 Junais Habeeb Mokkath , G. M. Pastor

This paper reports the effect of Fe doping on the structure and room temperature ferromagnetism of CeO2 nanoparticles. X-ray diffraction and selective area electron diffraction measurement reflects that Ce1-xFexO2 (x = 0.0 - 0.07)…

Materials Science · Physics 2011-01-31 Shalendra Kumar , Geun Woo Kim , B. H. Koo , S. K. Sharma , M. Knobel , Chan Gyu Lee

Neutron and x-ray powder and single crystal synchrotron diffraction of CsyFe2-xSe2 show the presence of superstructure reflections with propagation vector k=[2/5, 1/5, 1] with respect to the average crystal structure I4/mmm (a = 4, c =…

The structural and magnetic properties of Fe$_{1-x}$Ni$_x$~($x$ = 0.32, 0.36, 0.40, 0.50) alloys have been investigated using synchrotron based x-ray diffraction (XRD) technique with x-rays of wavelength 0.63658 \AA\ down to 50 K…

The spinel FeV2O4 is known to exhibit peculiar physical properties, which is generally ascribed to the unusual presence of two cations showing a pronounced interplay between spin, orbital and lattice degrees of freedom (Fe2+ and V3+ on the…

Materials Science · Physics 2012-02-16 Q. Zhang , K. Singh , F. Guillou , C. Simon , Y. Breard , V. Caignaert , V. Hardy

Using an adapted Sn-flux growth technique we obtained comparatively large CeFeAsO single crystals of better quality than previously reported polycrystals or single crystals, as evidenced by much sharper anomalies at the structural and…

Superconductivity · Physics 2010-05-06 A. Jesche , C. Krellner , M. de Souza , M. Lang , C. Geibel

The phase stabilities and ordering tendencies in the quaternary full-Heusler alloys NiCoMnAl and NiCoMnGa have been investigated by in-situ neutron diffraction, calorimetry and magnetization measurements. NiCoMnGa was found to adopt the…

Strongly Correlated Electrons · Physics 2017-10-17 Pascal Neibecker , Markus E. Gruner , Xiao Xu , Ryosuke Kainuma , Winfried Petry , Rossitza Pentcheva , Michael Leitner

A detailed investigation of Ba$_2$MnGe$_2$O$_7$ was performed in its low-temperature magnetoelectric state combining neutron diffraction with magnetization measurements on single crystals. In the paramagnetic state at 10 K, polarized…

Strongly Correlated Electrons · Physics 2023-03-07 A. Sazonov , H. Thoma , R. Dutta , M. Meven , A. Gukasov , R. Fittipaldi , V. Granata , T. Masuda , B. Náfrádi , V. Hutanu

The crystal and magnetic structure of polycrystalline $La{}_{0.5-x}Nd{}_{x}Ca_{0.5}MnO{}_{3}$ (0.0 \ensuremath{\le} x \ensuremath{\le} 0.5) samples have been investigated using magnetization, resistivity, transmission electron microscope,…

Materials Science · Physics 2010-11-01 Indu Dhiman , A. Das , P. K. Mishra , N. P. Lalla , A. Kumar

Neutron diffraction measurements on a high quality single crystal of CeAu2Ge2 reveal two new magnetic structures that coexist with commensurate long range antiferromagnetic order below the Neel temperature T_N ~ 14 K. The new magnetic…

Strongly Correlated Electrons · Physics 2012-09-03 D. K. Singh , A. Thamizhavel , J. W. Lynn , S. K. Dhar , T. Hermann

High-resolution and high-flux neutron as well as X-ray powder-diffraction experiments were performed on the oxypnictide series LaO(1-x)FxFeAs with 0<x<0.15 in order to study the crystal and magnetic structure. The magnetic symmetry of the…

Superconductivity · Physics 2012-01-12 N. Qureshi , Y. Drees , J. Werner , S. Wurmehl , C. Hess , R. Klingeler , B. Buechner , M. T. Fernandez-Diaz , M. Braden

Using first-principles calculations, we demonstrate that the magnetic exchange interaction and the magnetocrystalline anisotropy of biatomic Fe chains grown in the trenches of the 5x1 reconstructed Ir(001) surface depend sensitively on the…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Yuriy Mokrousov , Alexander Thiess , Stefan Heinze

By using a multiscale approach based on first-principles density functional theory combined with atomistic spin dynamics, we investigate the electronic structure and magnetization dynamics of an inverse Heusler and a Heusler compound and…

Materials Science · Physics 2018-02-21 R. Chimata , E. K. Delczeg-Czirjak , J. Chico , M. Pereiro , B. Sanyal , O. Eriksson , D. Thonig