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We report the enhancement of N\'eel temperature of Cr2O3 by replacing 50% of Cr by Fe prepared by sol-gel method. The structural analysis by neutron diffraction has revealed that FeCrO3 belongs to a corundum structure (R-3c space group)…

Materials Science · Physics 2019-11-26 Rajesh kumar R , C. Dhanasekhar , N. Vijay Prakash Chaudhary , A. Das , A. Venimadhav

We report the complex magnetic phase diagram and electronic structure of Cr2(Te1-xWx)O6 systems. While compounds with different x values possess the same crystal structure, they display different magnetic structures below and above xc =…

Materials Science · Physics 2014-09-05 M. Zhu , D. Do , C. R. Dela Cruz , Z. Dun , H. D. Zhou , S. D. Mahanti , X. Ke

Understanding spin control mechanisms is an important part of condensed matter physics and the theoretical basis for designing spintronic devices. In this letter, based on four-sublattices molecular field theory, we propose that the…

Materials Science · Physics 2022-07-11 Jiyu Shen , Jiajun Mo , Zeyi Lu , Huilin Huang , Chenying Gong , Yi Long , Arramel , Yanfang Xia , Min Liu , Jizhou Jiang

In the orthorhombic manganites o-RMnO3, where R is a heavy rare earth (R = Gd-Yb), the Mn3+ sublattice is known to undergo two magnetic transitions. The low temperature phase has an antiferromagnetic structure (collinear or elliptical),…

Strongly Correlated Electrons · Physics 2018-01-17 Mathieu Duttine , Alain Wattiaux , Felix Balima , Claudia Decorse , Hicham Moutaabbid , Pierre Bonville

In this study, we considered a large set of materials that are closely related to orthorhombic Fe$_3$C (cementite) with the aim of characterizing trends in their intrinsic magnetic properties and identifying alloys that are optimal for…

Materials Science · Physics 2025-03-19 Justyn Snarski-Adamski , Mirosław Werwiński , Justyna Rychły-Gruszecka

The local structure about the Mn site in the half doped system La0.5Ca0.5MnO3 was measured in magnetic fields up 10 T to probe the melting of the charge ordered state. Examination of the Mn-O and Mn-Mn correlations reveal three distinct…

Strongly Correlated Electrons · Physics 2009-11-10 T. A. Tyson , M. Deleon , M. Crof , V. G. Harris , C. -C. Kao , J. Kirkland , S. -W. Cheong

In this work, we study the effect of the magnetic dilution of Cr$^{3+}$ on the LaCrO$_3$ half doped with Al. Pure and half-doped samples were prepared by combustion method using urea as fuel. The crystal structure was investigated by X-ray…

Materials Science · Physics 2015-02-23 Romualdo S. Silva , Petrucio Barrozo , N. O. Moreno , J. Albino Aguiar

We report on the magnetic and Mossbauer properties of polycrystalline HoFe1-xCrxO3 compounds. Magnetization data reveals the continuous tailoring of magnetic transition due to weakening of Ho3+ Fe3+ and Fe3+ Fe3+ interactions in the entire…

Materials Science · Physics 2017-03-08 Ganesh Kotnana , V. Raghavendra Reddy , S. Narayana Jammalamadaka

We have explored the electric field controlled magnetization in the nanodot CoFe2O4/SrRuO3/PMN-PT heterostructures. Ordered ferromagnetic CFO nanodots (~300 nm lateral dimension) are developed on the PMN-PT substrate (ferroelectric as well…

We study the electronic and magnetic structures of multiferroic CaMn$_7$O$_{12}$ by first-principle calculations, based on the experimentally determined modulated crystal structure. We confirm the presence of a 3$d$ orbital modulation of…

Materials Science · Physics 2015-06-23 Kun Cao , Roger D. Johnson , Natasha Perks , Feliciano Giustino , Paolo G. Radaelli

The electronic structure of the low-temperature (LT) monoclinic magnetite, Fe3O4, is investigated using the local spin density approximation (LSDA) and the LSDA+U method. The self-consistent charge ordered LSDA+U solution has a pronounced…

Strongly Correlated Electrons · Physics 2007-05-23 I. Leonov , A. N. Yaresko , V. N. Antonov , V. I. Anisimov

Magnetoelectric effect is a fundamental physics phenomenon that synergizes electric and magnetic degrees of freedom to generate distinct material responses like electrically tuned magnetism, which serves as a key foundation of the emerging…

Composition-driven structural transitions in Bi1-xCaxFe1-xMnxO3 ceramics prepared by the tartaric acid modified sol-gel technique have been studied to analyze its effect on the magnetic properties of bismuth ferrite (BiFeO3). It was…

Materials Science · Physics 2014-01-17 Pawan Kumar , Manoranjan Kar

The coexistence and coupling of ferroelasticity and magnetic ordering in a single material offers a great opportunity to realize novel devices with multiple tuning knobs. Complex oxides are a particularly promising class of materials to…

We present a study of the control of electric field induced strain on the magnetic and electrical transport properties in a magneto-elastically coupled artificial multiferroic Fe3O4/BaTiO3 heterostructure. In this Fe3O4/BaTiO3…

We investigate the magnetic structure of Mn3-xFexSn2 using neutron powder diffraction experiments and electronic structure calculations. These alloys crystallize in the orthorhombic Ni3Sn2 type of structure (Pnma) and comprise two…

Materials Science · Physics 2013-09-03 Q. Recour , V. Ban , Z. Gercsi , T. Mazet , M. Francois , B. Malaman

Density functional based simulations are employed to explore magnetoelectric effects in iron-based oxides, showing a unique layered structure. We theoretically predict CaFeO2 to be a promising magnetoelectric, showing…

Strongly Correlated Electrons · Physics 2015-06-15 Kunihiko Yamauchi , Tamio Oguchi , Silvia Picozzi

We report on the magnetic structure and ordering of hexagonal LuFeO3 films grown by molecular-beam epitaxy (MBE) on YSZ (111) and Al2O3 (0001) substrates. Using a set of complementary probes including neutron diffraction, we find that the…

We present a detailed study on the magnetic order in the undoped mother compound LaOFeAs of the recently discovered Fe-based superconductor LaO$_{1-x}$F$_x$FeAs. In particular, we present local probe measurements of the magnetic properties…

The structure and static magnetic properties - saturation magnetization, perpendicular anisotropy, spectroscopic g-factor, and orbital magnetization - of thin-film 3d transition metal alloys are determined over the full range of alloy…