English
Related papers

Related papers: Magnetic ordering and dense Kondo behaviour in EuF…

200 papers

Enhanced magnetism has recently been reported for the topological-insulator/ferromagnet interface Bi$_2$Se$_3$/EuS with Curie temperatures claimed to be raised above room temperature from the bulk EuS value of 16 K. Here we investigate the…

Strongly Correlated Electrons · Physics 2021-08-25 K. Prokeš , Chen Luo , H. Ryll , E. Schierle , D. Marchenko , E. Weschke , F. Radu , R. Abrudan , V. V. Volobuev , G. Springholz , O. Rader

Co2FeSi, a Heusler alloy with the highest magnetic moment per unit cell and the highest Curie temperature, has largely been described theoretically as a half-metal. This conclusion, however, disagrees with Point Contact Andreev Reflection…

The Eu spins-7/2 in EuCo2P2 with the tetragonal ThCr2Si2-type structure have the prototypical noncollinear helical antiferromagnetic structure below the Neel temperature TN = 66.5 K as previously determined from single-crystal neutron…

Strongly Correlated Electrons · Physics 2015-12-10 N. S. Sangeetha , Abhishek Pandey , D. C. Johnston

We report results of a magneto-optical investigation of the Zintl-phase compound EuIn$_2$P$_2$. The compound orders magnetically at $T_C$=24 K and exhibits concomitant large magnetoresistance effects. For $T\le$50 K and increasing magnetic…

Strongly Correlated Electrons · Physics 2012-01-11 F. Pfuner , L. Degiorgi. H. R. Ott , A. D. Bianchi , Z. Fisk

We report magnetic and transport properties of single-crystalline EuZn$_{2}$P$_{2}$, which has trigonal CaAl$_2$Si$_2$-type crystal structure and orders antiferromagnetically at $\approx$23~K. Easy $ab$-plane magneto-crystalline anisotropy…

Materials Science · Physics 2023-08-14 Karan Singh , Shovan Dan , A. Ptok , T. A. Zaleski , O. Pavlosiuk , P. Wiśniewski , D. Kaczorowski

The measurements of the magnetic susceptibility, magnetization, electrical resistivity and magnetoresistance have been performed for the Fe intercalated compound Fe0.5TiS2. According to X-ray diffraction measurements the Fe0.5TiS2 compound…

Electrical conductivity, thermopower and magnetic properties of Fe-intercalated Fe0.33VSe2 has been reported between 4.2K - 300K. We observe a first order transition in the resistivity of the sintered pellets around 160K on cooling. The…

Materials Science · Physics 2009-11-13 C. S. Yadav , A. K. Rastogi

We investigated the magnetic phase diagram of single crystals of SrNdFeO$_{4}$ by measuring the magnetic properties, the specific heat and the dielectric permittivity. The system has two magnetically active ions, Fe$^{3+}$ and Nd$^{3+}$.…

Materials Science · Physics 2015-06-05 J. M. Hwang , E. S. Choi , H. D. Zhou , Y. Xin , J. Lu , P. Schlottmann

The physical properties of an intermetallic compound CeRh2Ga2 have been investigated by magnetic susceptibility \chi(T), isothermal magnetization M(H), heat capacity C_p(T), electrical resistivity \rho(T), thermal conductivity \kappa(T) and…

Strongly Correlated Electrons · Physics 2017-02-08 V. K. Anand , D. T. Adroja , A. Bhattacharyya , B. Lake

Single crystals of EuPd$_3$Si$_2$ were grown using a high-temperature EuPd-flux method. The material was structurally and chemically characterized by single-crystal x-ray diffraction, powder x-ray diffraction, Laue method and…

Strongly Correlated Electrons · Physics 2026-02-19 Michelle Ocker , Franziska Walther , Nour Maraytta , Matthieu Le Tacon , Michael Merz , Cornelius Krellner , Kristin Kliemt

We investigate the magnetic and electronic properties of the Gd$T_2$Zn$_{20}$ ($T$ = Fe and Co) compounds using X-ray resonant magnetic scattering (XRMS), X-ray absorption near-edge structure (XANES) and X-ray magnetic circular dichroism…

We report the synthesis and characterization of a rare-earth dichalcogenide EuTe$_2$. An antiferromagnetic transition was found at T$_M$ = 11 K. The antiferromagnetic order can be tuned by an applied magnetic field to access a first-order…

Materials Science · Physics 2020-02-05 Junjie Yin , Changwei Wu , Lisi Li , Jia Yu , Hualei Sun , Bing Shen , Benjamin A. Frandsen , Dao-Xin Yao , Meng Wang

Magnetic order in the thermally quenched photomagnetic Prussian blue analogue coordination polymer K0.27Co[Fe(CN)6]0.73[D2O6]0.27 1.42D2O has been studied down to 4 K with unpolarized and polarized neutron powder diffraction as a function…

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 effects of Ni doping in Eu(Co{1-x}Ni{x})2As2 single crystals with x =0 to 1 grown out of self flux are investigated via crystallographic, electronic transport, magnetic, and thermal measurements. All compositions adopt the…

Strongly Correlated Electrons · Physics 2020-08-19 N. S. Sangeetha , Santanu Pakhira , D. H. Ryan , V. Smetana , A. -V. Mudring , D. C. Johnston

Magnetic excitations and magnetic structure of EuRbFe$_4$As$_4$ were investigated by inelastic neutron scattering (INS), neutron diffraction, and random phase approximation (RPA) calculations. Below the superconducting transition…

The dilute Kondo compound, Th_{1-x}U_{x}Ru_{2}Si_{2} (TURS), displays non-Fermi liquid behavior but no zero-point entropy; it thus appears to elude description by known single-ion models. It may also provide a clue to the underlying local…

Strongly Correlated Electrons · Physics 2011-06-03 Anna Toth , Premala Chandra , Piers Coleman , Gabriel Kotliar , Hiroshi Amitsuka

We present the experimental evidence for the presence of spinodal decomposition of the magnetic ions in the Ge/1-x-y/Cr/x/Eu/y/Te samples with chemical composition varying in the range of 0.015 < x < 0.057 and 0.003 < y < 0.042. The…

The structural and magnetic properties of ZnFe2O4 nanoparticles embedded in a non-magnetic ZnO matrix are presented. X-ray diffractograms and Transmission Electron Microscopy (TEM) images showed that the resulting samples are composed of…

Materials Science · Physics 2012-12-13 G. F. Goya , E. R. Leite

Magnetic properties of Fe, Co, and Ni at finite temperatures have been investigated on the basis of the first-principles dynamical CPA (Coherent Potential Approximation) combined with the LDA (Local Density Approximation) + $U$ Hamiltonian…

Strongly Correlated Electrons · Physics 2015-05-27 Yoshiro Kakehashi , M. Atiqur R. Patoary