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Related papers: Structural phase stability and Magnetism in Co2FeO…

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We report comprehensive studies of the crystallographic,magnetic, and thermal properties of a spinel-type magnetically frustrated compound, CoAl2O4, and a magnetically diluted system,Co1-xZnxAl2O4. These studies revealed the effects of…

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

The effect of sintering temperatures (Ts) on the structural and magnetic properties of Ni0.6Zn0.4Fe2O4 (NZFO) ferrites synthesized by conventional double sintering method has been reported. The samples are sintered at 1200, 1250 and 1300…

Materials Science · Physics 2016-04-13 M. A. Ali , M. N. I. Khan , F. -U. -Z. Chowdhury , D. K. Saha , S. M. Hoque , S. I. Liba , S. Akhter , M. M. Uddin

A one-step synthesis of Ca$_x$Zn$_{1-x}$Fe$_2$O$_4$ (x=0, 0.5 and 1) nanoferrites and nanocomposites by the glycol-thermal method is reported. The structural, morphological and magnetic properties were studied using XRD, HRTEM, HRSEM,…

Materials Science · Physics 2025-08-20 Kemi Y. Adewale , Itegbeyogene P. Ezekiel

The advent of novel high-entropy oxides has sparked substantial research interest due to their exceptional functional properties, which often surpass the mere sum of their constituent elements' characteristics. This study introduces a…

Strongly Correlated Electrons · Physics 2024-07-31 Neha Sharma , Nikita Sharma , Jyoti Sharma , S. D. Kaushik , Sanjoy Kr. Mahatha , Tirthankar Chakraborty , Sourav Marik

We present temperature-, magnetic-field-, and pressure-dependent Raman scattering studies of single crystal Mn3O4, combined with temperature- and field-dependent x-ray diffraction studies, revealing the novel magnetostructural phases in…

Strongly Correlated Electrons · Physics 2015-05-28 M. Kim , X. M. Chen , X. Wang , C. S. Nelson , R. Budakian , P. Abbamonte , S. L. Cooper

Pronounced anisotropy of magnetic properties and complex magnetic order of a new oxi-halide compound Co7(TeO3)4Br6 has been investigated by powder and single crystal neutron diffraction, magnetization and ac susceptibility techniques.…

Materials Science · Physics 2013-05-29 M. Prester , I. Zivkovic , O. Zaharko , D. Pajic , P. Tregenna-Piggott , H. Berger

In this study we examine the phase transitions in single crystals of [(CH3)2NH2]Co(HCOO)3], using magnetization and specific heat measurements as a function of temperature and magnetic field. Magnetisation measurements indicate a transition…

Materials Science · Physics 2015-01-28 K. Vinod , C. S. Deepak , Shilpam Sharma , D. Sornadurai , C. S. Sundar , A. Bharathi

We determined the magnetic structure of CuCr$_2$O$_4$ using neutron diffraction and irreducible representation analysis. The measurements identified a new phase between 155 K and 125 K as nearly collinear magnetic ordering in the Cr…

Strongly Correlated Electrons · Physics 2018-03-20 K. Tomiyasu , S. Lee , H. Ishibashi , Y. Takahashi , T. Kawamata , Y. Koike , T. Nojima , S. Torii , T. Kamiyama

La$_{0.4}$Na$_{0.6}$Fe$_2$As$_2$ single crystals have been grown out of an NaAs flux in an alumina crucible and characterized by measuring magnetic susceptibility, electrical resistivity, specific heat, as well as single crystal x-ray and…

Incomplete cancellation of collinear antiparallel spins gives rise to ferrimagnetism. Even if the oppositely polarized spins are owing to the equal number of a single magnetic element having the same valence state, in principle, a…

This work focuses on the microstructure, magnetic properties and magnetocaloric effect of CoFe$_2$O$_4$ (CFO) nanoparticles elaborated by sol-gel auto combustion method. The XRD investigation indicates that CFO is crystallized in a cubic…

We investigate the magnetic properties of the isostructural spinel-spinel interface of NiMn2O4(NMO)-Fe3O4. Although the magnetic transition temperature of the NMO film is preserved, both bulk and interface sensitive measurements demonstrate…

Strongly Correlated Electrons · Physics 2008-09-26 B. B. Nelson-Cheeseman , R. V. Chopdekar , J. S. Bettinger , E. Arenholz , Y. Suzuki

Multiferroic particulate composites have been fabricated by taking the morphotropic phase boundary composition of ferroelectric phase Bi(Ni1/2Ti1/2)O3-PbTiO3 and magnetic phase (Ni,Zn)Fe2O4. The ferroelectric phase has coexisting monoclinic…

Materials Science · Physics 2018-08-06 Rishikesh Pandey , Uma Shankar , Sher Singh Meena , Akhilesh Kumar Singh

Neutron diffraction and muon spin relaxation measurements are used to obtain a detailed phase diagram of Pr(Fe,Ru)AsO. The isoelectronic substitution of Ru for Fe acts effectively as spin dilution, suppressing both the structural and…

The ground state of the frustrated A-site magnetic spinel CoAl2O4 has been a controversial issue whether it is a collinear antiferromagnetic ordering or a spiral spin - liquid state, as the ratio of the two competing interactions, J2/J1…

Strongly Correlated Electrons · Physics 2018-03-22 Somnath Ghara , N. V. Ter-Oganessian , A. Sundaresan

Varying the substrate temperature changes structural and magnetic properties of spinel ferrite NZFO thin films. XRD of films grown at different temperature display only 004 reflections, without any secondary peaks, showing growth…

Materials Science · Physics 2018-07-02 Dhiren K. Pradhan , Shalini Kumari , Dillip K. Pradhan , Ashok Kumar , Ram S. Katiyar , R. E. Cohen

The structural transitions, magnetic properties, and electronic structures of Co(Fe)-doped MnNiSi compounds are investigated by x-ray powder diffraction (XRD), differential scanning calorimetry (DSC), magnetic measurements, and…

Materials Science · Physics 2015-04-17 Y. Li , Z. Y. Wei , E. K. Liu , G. D. Liu , S. G. Wang , W. H. Wang , G. H. Wu

We report muon spin relaxation measurements on the magnetic structures of RBaCo_2O_5.5 with R=Y, Tb, Dy, and Ho. Three different phases, one ferrimagnetic and two antiferromagnetic, are identified below 300 K. They consist of different…

Strongly Correlated Electrons · Physics 2009-11-13 H. Luetkens , M. Stingaciu , Yu. G. Pashkevich , K. Conder , E. Pomjakushina , A. A. Gusev , K. V. Lamonova , P. Lemmens , H. -H. Klauss

Geometrically frustrated structures combined with competing exchange interactions that have different magnitudes are known ingredients for achieving exotic properties. Herein, we studied detailed structural, magnetic, thermal (specific…

Materials Science · Physics 2023-12-18 P. Mohanty , N. Sharma , D. Singh , Y. Breard , D. Pelloquin , S. Marik , R. P. Singh
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