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Related papers: High temperature ferromagnetism in Co-implanted Ti…

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We have examined whether the Co ions crystallographically substitute on the Ti sites in rutile and anatase Ti_{1-x}$Co$_{x}$O$_{2-delta}$ thin films that exhibit room-temperature ferromagnetism. Intensities of the x-ray Bragg reflection…

We have prepared the complete delafossite solid solution series between diamagnetic CuAlO2 and the t2g^3 frustrated antiferromagnet CuCrO2. The evolution with composition x in CuAl(1-x)Cr(x)O2 of the crystal structure and magnetic…

Materials Science · Physics 2012-10-03 Phillip T. Barton , Ram Seshadri , Andrea Knöller , Matthew J. Rosseinsky

Interfacing complex oxides in atomically engineered layered structures can give rise to a wealth of exceptional electronic and magnetic properties that surpass those of the individual building blocks. Herein, we demonstrate a ferromagnetic…

We consider electronic correlation effects and their impact on magnetic properties of tetragonally distorted chemically ordered FeCo alloys (L1$_0$ structure) being a promising candidate for rare-earth-free permanent magnets. We employ a…

Strongly Correlated Electrons · Physics 2022-06-02 A. S. Belozerov , A. A. Katanin , V. I. Anisimov

We here study electronic structure and magnetic properties of bcc Co$_{x}$Fe$_{1-x}$, Cr$_{x}$Fe$_{1-x}$ and Mn$_{x}$Fe$_{1-x}$ in their ferromagnetic phases using Augmented Space Recursion technique coupled with tight-binding linearized…

Materials Science · Physics 2019-08-17 Subhradip Ghosh , Chhanda Basu Chaudhuri , Biplab Sanyal , Abhijit Mookerjee

Based on magnetization, specific heat, magnetostriction, and neutron diffraction studies on single-crystal TbCo2B2C, it is found out that the paramagnetic properties, down to liquid nitrogen temperatures, are well described by a Curie-Weiss…

Strongly Correlated Electrons · Physics 2008-12-24 M. ElMassalami , R. Moreno , R. M. Saeed , F. A. B. Chaves , C. M. Chaves , H. Takeya , B. Ouladdiaf , M. Amara

The magnetic and structural properties of single crystal Fe$_{1-x}$Co$_x$V$_2$O$_{4}$ samples have been investigated by performing specific heat, susceptibility, neutron diffraction, and X-ray diffraction measurements. As the orbital-active…

Materials Science · Physics 2017-09-07 R. Sinclair , J. Ma , H. B. Cao , T. Hong , M. Matsuda , Z. L. Dun , H. D. Zhou

Localized $5d^2$ electrons in a cubic crystal field possess multipoles such as electric quadrupoles and magnetic octupoles. We studied the cubic double perovskite Ba$_2$CaOsO$_6$ containing the Os$^{6+}$ ($5d^2$) ions, which exhibits a…

This study explores the bulk crystal growth, structural characterization, and physical property measurements of the cubic double perovskite Ba_2CoWO_6(BCWO). In BCWO, Co+2 ions form a face-centered cubic (FCC) lattice with non-distorted…

Strongly Correlated Electrons · Physics 2024-08-19 Abanoub R. N. Hanna , A. T. M. N. Islam , C. Ritter , S. Luther , R. Feyerherm , B. Lake

We report the experimental observation of spin reorientation in the double perovskite Ho$_2$FeCoO$_6$. The magnetic phase transitions in this compound are characterized and studied through magnetization and specific heat, and the magnetic…

The realization of long range and insulating ferromagnetic states in topological insulator (TI) has been a pressing issue since its discovery. Only recently, such state was achieved in Cr-doped Bi2-xSbxTe3, leading to the discovery of…

Materials Science · Physics 2016-08-31 Bei Deng , Yiou Zhang , S. B. Zhang , Yayu Wang , Ke He , Junyi Zhu

We report the synthesis, crystal structure, and magnetic properties of a new Kitaev honeycomb cobaltate, KCoAsO$_4$, which crystallizes in two distinct forms: $P2/c$ and $R\bar{3}$ space groups. Magnetic measurements reveal ordering…

Strongly Correlated Electrons · Physics 2025-01-29 Yuya Haraguchi , Daisuke-Nishio Hamane , Hiroko Aruga Katori

CuMoO4 is a triclinic quantum magnet based on S = 1/2 moments at the Cu2+ site. It has recently attracted interest due to the remarkable changes in its chromic and volumetric properties at high temperatures, and in its magnetic properties…

Strongly Correlated Electrons · Physics 2015-05-28 S. Haravifard , K. Fritsch , T. Asano , J. P. Clancy , Z. Yamani , G. Ehlers , T. Nishimura , Y. Inagaki , T. Kawae , I. Swainson , B. D. Gaulin

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…

Multi-orbital physics in quasi-two-dimensional electron gases (q2DEGs) triggers unique phenomena not observed in bulk materials, such as unconventional superconductivity and magnetism. Here, we investigate the mechanism of orbital selective…

We present the magnetic behavior and resulting transport properties of TaSe$_2$ when intercalated by magnetically active cobalt cations. Acting as the layered host, TaSe$_2$ is a transition metal dichalcogenide (TMD) that adopts the…

Controlling magnetism by using electric fields is a goal of research towards novel spintronic devices and future nano-electronics. For this reason, multiferroic heterostructures attract much interest. Here we provide experimental evidence,…

The high magnetic field behaviour of the triangular lattice antiferromagnet CuFeO_2 is studied using single crystal neutron diffraction measurements in a field of up to 14.5 T and also by magnetisation measurements in a field of up to 12 T.…

Strongly Correlated Electrons · Physics 2009-10-31 O. A. Petrenko , G. Balakrishnan , M. R. Lees , D. McK Paul , A. Hoser

We present a study by ferromagnetic resonance at microwave Q band of two sheets of cobalt nanoparticles obtained by annealing SiO2 layers implanted with cobalt ions. This ex- perimental study is performed as a function of the applied…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 K. Benzid , D. Muller , P. Turek , J. Tribollet

The compound, Fe2TiO5 (FTO)is a well-known uniaxial anisotropic spin-glass insulator with two successive glassy freezing temperatures i.e. transverse (TTF= 9K) and longitudinal (TLF= 55 K). In this article, we present the results of…

Materials Science · Physics 2014-10-28 Shivani Sharma , Tathamay Basu , Aga Shahee , K. Singh , N. P. Lalla , E. V. Sampathkumaran
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