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Related papers: FeCr$_2$S$_4$ in magnetic fields: possible evidenc…

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The large $\Delta$C observed at 17.5 K in URu$_{2}$Si$_{2}$ is inconsistent with the small, 0.04 $\mu_{B}$ moment measured for the antiferromagnetism observed starting (perhaps coincidentally) at the same temperature. We report measurements…

Strongly Correlated Electrons · Physics 2009-11-10 J. S. Kim , D. Hall , P. Kumar , G. R. Stewart

Multiferroic TbMnO3 is investigated using x-ray diffraction in high magnetic fields. Measurements on first and second harmonic structural reflections due to modulations induced by the Mn and Tb magnetic order are presented as function of…

Strongly Correlated Electrons · Physics 2008-07-29 J. Strempfer , B. Bohnenbuck , I. Zegkinoglou , N. Aliouane , S. Landsgesell , M. v. Zimmermann , D. N. Argyriou

We prospect magneto-dielectricity in $La_{0.53}Ca_{0.47}MnO_{3}$ across its paramagnetic (PMI) to ferromagnetic (FMM) isostructural transition at $T_{C} \sim 253K$, by magnetic ($(M)$), caloric ($(W)$), dielectric ($(\epsilon')$),…

Materials Science · Physics 2017-07-26 Suchita Pandey , Jitender Kumar , A. M. Awasthi

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

We have studied the influence of external pressure up to 1 GPa on the magnetic transitions of the orthorhombic Haldane-spin chain compound Tb2BaNiO5 an exotic multiferroic material. This parent compound is known to undergo N\'eel ordering…

Strongly Correlated Electrons · Physics 2021-07-28 K. K. Iyer , Ram Kumar , S. Rayaprol , K. Maiti , E. V. Sampathkumaran

We report for the first time, that Fe3Se4 is a room temperature, type-II multiferroic with magnetoelectric coupling. We observed the coexistence of coupled ferrimagnetic and ferroelectric ordering in Fe3Se4nanorods well above room…

Strongly Correlated Electrons · Physics 2019-06-13 Mousumi Sen Bishwas , Pankaj Poddar

Neutron diffraction studies have been carried out on a single crystal of oxygen-deficient perovskite NdBaCo2O5 in the temperature range of 7-370 K. There have been observed, with decreasing temperature T, two magnetic transitions…

Strongly Correlated Electrons · Physics 2009-11-10 Minoru Soda , Yukio Yasui , Masafumi Ito , Satoshi Iikubo , Masatoshi Sato , Kazuhisa Kakurai

We report experimental and theoretical studies of magnetic and related properties of ErRuSi compound. Various experimental techniques such as neutron diffraction, magnetization, magneto-thermal, magneto-transport, optical have been used to…

Strongly Correlated Electrons · Physics 2019-09-19 Sachin Gupta , A. Das , K. G. Suresh , A. Hoser , Yu. V. Knyazev , Yu. I. Kuz'min , A. V. Lukoyanov

The layered FeTe2O5Cl compound was studied by specific-heat, muon spin relaxation, nuclear magnetic resonance, dielectric, as well as neutron and synchrotron x-ray diffraction measurements, and the results were compared to isostructural…

Strongly Correlated Electrons · Physics 2013-12-31 M. Pregelj , A. Zorko , O. Zaharko , P. Jeglič , Z. Kutnjak , Z. Jagličić , S. Jazbec , H. Luetkens , A. D. Hillier , H. Berger , D. Arčon

GdFe3(BO3)4 exhibits a structural phase transition at 156 K, antiferromagnetic order of the Fe3+ moments at 36 K followed by a spin reorientation phase transition at 9 K. The reorientation phase transition is studied through dielectric,…

Strongly Correlated Electrons · Physics 2009-11-11 F. Yen , B. Lorenz , Y. Y. Sun , C. W. Chu , L. N. Bezmaternykh , A. N. Vasiliev

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 present the results of susceptibility \chi(T) and magnetisation M(H) measurements performed on single crystal samples of the rare-earth oxides SrLn2O4 (Ln = Er, Dy and Ho). The measurements reveal the presence of magnetic ordering…

Strongly Correlated Electrons · Physics 2012-01-17 Thomas J. Hayes , Olga Young , Geetha Balakrishnan , Oleg A. Petrenko

The low temperature state of CeRu2Al10 has been studied by neutron powder diffraction and muon spin relaxation (muSR). By combining both techniques, we prove that the transition occurring below T*~27K, which has been the subject of…

We set forth the structural and magnetic properties of the frustrated spin-$5/2$ triangle lattice antiferromagnet Na$_3$Fe(PO$_4$)$_2$ examined via x-ray diffraction, magnetization, heat capacity, and neutron diffraction measurements on the…

Materials Science · Physics 2022-01-26 Sebin J. Sebastian , A. Jain , S. M. Yusuf , M. Uhlarz , R. Nath

Magnetic properties of a polycrystalline alloy Ni$_{2.19}$Mn$_{0.81}$Ga, which undergoes a first-order magnetostructural phase transition from cubic paramagnetic to tetragonal ferromagnetic phase, are studied. Hysteretic behavior of…

A neptunium analogue of the LaFeAsO tetragonal layered compound has been synthesized and characterized by a variety of experimental techniques. The occurrence of long-range magnetic order below a critical temperature T_N = 57 K is suggested…

The ZFC and FC magnetization dependence on temperature was measured for BiFeO3 ceramics at the applied magnetic field up to H=10T in 2K-1000K range. The antiferromagnetic order was detected from the hysteresis loops below the Neel…

Materials Science · Physics 2013-05-15 B. Andrzejewski , A. Molak , B. Hilczer , A. Budziak , R. Bujakiewicz-Koronska

We report the effect of applied pressures on magnetic and superconducting order in single crystals of the aliovalent La-doped iron pnictide material Ca$_{1-x}$La$_{x}$Fe$_{2}$As$_{2}$. Using electrical transport, elastic neutron scattering…

MnCr2O4 that exhibits spin frustration and complex spiral spin order is of great interest from both fundamental as well as application-oriented perspectives. Unlike CoCr2O4 whose ground state presents the coexistence of commensurate spiral…

We report the observation of para - antiferromagnetic transition at ~ 50 K in lithium iron phosphate, LiFePO4 through DC magnetization and M\"ossbauer spectroscopy. The Ferrous ion Fe2+ (3d6, 5D) in LiFePO4 exhibits relaxation effects with…

Materials Science · Physics 2015-06-04 Y. Sundarayya , C. Bansal , C. S. Sunandana , Ajay Kumar Mishra , Richard A. Brand , Horst Hahn