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Related papers: Antiferromagnetism in EuCu2As2 and EuCu1.82Sb2 Sin…

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We report the measurements of resistivity and magnetization under magnetic fields parallel and perpendicular to the basal plane, respectively, on a cobalt-doped Eu(Fe$_{0.89}$Co$_{0.11}$)$_{2}$As$_{2}$ single crystal. We observed a…

Superconductivity · Physics 2009-11-25 Shuai Jiang , Hui Xing , Guofang Xuan , Zhi Ren , Cao Wang , Zhu-an Xu , Guanghan Cao

We present a systematic investigation of the antiferromagnetic ordering and structural distortion for the series of Ba(Fe{1-x}Ru{x})2As2 compounds (0 <= x <= 0.246). Neutron and x-ray diffraction measurements demonstrate that, unlike for…

The temperature evolution of the crystal and magnetic structures of ferroelectric sulfide AgCrS2 have been investigated by means of neutron scattering. AgCrS2 undergoes at TN = 41.6 K a first-order phase transition, from a paramagnetic…

Materials Science · Physics 2015-05-19 Francoise Damay , Christine Martin , Vincent Hardy , Gilles André , Sylvain Petit , Antoine Maignan

The EuFe(2-x)Ni(x)As2 compounds exhibiting 3d and/or 4f magnetic order were investigated by means of 57Fe and 151Eu M\"ossbauer spectroscopy. Additionally, results for the end members of this system, i.e. EuFe2As2 and EuNi2As2, are reported…

Superconductivity · Physics 2021-06-07 K. Komedera , J. Gatlik , A. Blachowski , J. Zukrowski , D. Rybicki , A. Delekta , M. Babij , Z. Bukowski

The structural and physical properties of two single-grain Au-Al-Gd 1/1 approximant crystals (ACs) with analyzed compositions Au73.67Al12.24Gd14.09 and Au74.67Al11.35Gd13.98 were thoroughly investigated. The two variants are iso-structural…

Materials Science · Physics 2025-03-18 Farid Labib , Takanori Sugimoto , Hiroyuki Takakura , Asuka Ishikawa , Ryuji Tamura

Recently, orthorhombic CuMnAs has been proposed to be a magnetic material where topological fermions exist around the Fermi level. Here we report the magnetic structure of the orthorhombic Cu0.95MnAs and Cu0.98Mn0.96As single crystals.…

Materials Science · Physics 2017-12-13 Eve Emmanouilidou , Huibo Cao , Peizhe Tang , Xin Gui , Chaowei Hu , Bing Shen , Junyi Wu , Shou-Cheng Zhang , Weiwei Xie , Ni Ni

Electron spin resonance measurements in EuFe2As2 single crystals revealed an absorption spectrum of a single resonance with Dysonian lineshape. Above the spin-density wave transition at T_SDW = 190 K the spectra are isotropic and the spin…

We report the observation of multiple magnetic transitions in single crystals of EuPtAs using magnetization, transport, and thermodynamic measurements. EuPtAs crystallizes in the noncentrosymmetric tetragonal LaPtSi-type structure (space…

Materials Science · Physics 2021-12-01 W. Xie , S. S. Luo , H. Su , X. Y. Zheng , Z. Y. Nie , M. Smidman , T. Takabatake , H. Q. Yuan

Single crystals of EuPtSi$_3$, which crystallize in the BaNiSn$_3$-type crystal structure, have been grown by high temperature solution growth method using molten Sn as the solvent. EuPtSi$_3$ which lacks the inversion symmetry and has only…

Strongly Correlated Electrons · Physics 2011-12-22 Neeraj Kumar , S. K. Dhar , P. Manfrinetti , P. Bonville , A. Thamizhavel

We report results of 75As nuclear magnetic resonance (NMR) experiments on a self-flux grown high-quality single crystal of SrFe2As2. The NMR spectra clearly show sharp first-order antiferromagnetic (AF) and structural transitions occurring…

Strongly Correlated Electrons · Physics 2009-06-10 Kentaro Kitagawa , Naoyuki Katayama , Kenya Ohgushi , Masashi Takigawa

Materials exhibiting electronic inhomogeneities at the nanometer scale have enormous potential for applications. Magnetic polarons are one such type of inhomogeneity which link the electronic, magnetic and lattice degrees of freedom in…

We report here the results of magnetic susceptibility, electrical-resistivity, magnetoresistance (MR), heat-capacity and ^{151}Eu Mossbauer effect measurements on the compound, Eu_2CuSi_3, crystallizing in an AlB_2-derived hexagonal…

Strongly Correlated Electrons · Physics 2009-10-31 Subham Majumdar , R. Mallik , E. V. Sampathkumaran , Kirsten Rupprecht , G. Wortmann

Growth of BaMn2As2 crystals using both MnAs and Sn fluxes is reported. Room temperature crystallography, anisotropic isothermal magnetization M versus field H and magnetic susceptibility chi versus temperature T, electrical resistivity in…

Superconductivity · Physics 2010-11-12 Yogesh Singh , A. Ellern , D. C. Johnston

EuCd$_2$As$_2$ is an antiferromagnetic semimetal, that can host non-trivial topological properties, depending upon its magnetic state and excitations. Here, we report the synthesis and characterization of Eu(Cd$_{1-x}$Ag$_x$)$_2$As$_2$ and…

A single material achieving multiple topological phases can provide potential application for topological spintronics, whereas the candidate materials are very limited. Here, we report the structure, physical properties, and possible…

Materials Science · Physics 2024-08-22 Xuhui Wang , Boxuan Li , Liqin Zhou , Long Chen , Yulong Wang , Yaling Yang , Ying Zhou , Ke Liao , Hongming Weng , Gang Wang

Neutron diffraction measurements have been performed on a powder sample of BaMn2As2 over the temperature T range from 10 K to 675 K. These measurements demonstrate that this compound exhibits collinear antiferromagnetic ordering below the…

Superconductivity · Physics 2010-11-17 Yogesh Singh , M. A. Green , Q. Huang , A. Kreyssig , R. J. McQueeney , D. C. Johnston , A. I. Goldman

Considering certain interesting features in the previously reported 166Er Moessbauer effect and neutron diffraction data on the polycrystalline form of ErPd2Si2 crystallizing in ThCr2Si2-type tetragonal structure, we have carried out…

Strongly Correlated Electrons · Physics 2009-11-13 E. V. Sampathkumaran , Niharika Mohapatra , Kartik K Iyer , C. D. Cao , W. Loeser , G. Behr

The magnetically ordered phase of body-centered tetragonal UAu$_2$Si$_2$ was explored through $^{29}$Si-NMR experiments. The field-swept NMR spectra show asymmetric peak splitting below magnetic phase transition temperature, $T_{\rm m}$ =…

Strongly Correlated Electrons · Physics 2018-11-14 C. Tabata , Y. Ihara , S. Shimmura , N. Miura , H. Hidaka , T. Yanagisawa , H. Amitsuka

Thermal expansion, magnetostriction and magnetization measurements under magnetic field and hydrostatic pressure were performed on a $\mathrm{UAu_{2}Si_{2}}$ single crystal. They revealed a large anisotropy of magnetoelastic properties…

The intersection between nonsymmorphic symmetry and electronic correlations has emerged as a platform for topological Kondo semimetallic states and unconventional spin textures. Here we report the synthesis of nonsymmorphic…

Strongly Correlated Electrons · Physics 2024-12-17 Sanu Mishra , Caitlin S. Kengle , Joe D. Thompson , Allen O. Scheie , Sean. M. Thomas , Filip Ronning , Priscila F. S. Rosa