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Related papers: Dense strontium hexaferrite-based permanent magnet…

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In this article, common experimental techniques and preparation conditions adopted for the synthesis of M-type hexaferrites and their influence on the magnetic properties are briefly reviewed. The effects of various strategies of cationic…

Materials Science · Physics 2017-07-25 Sami . H. Mahmood , Ibrahim Bsoul

This research paper investigates new and first insights into the magnetic and magnetocaloric properties of one-dimensional (1D) cobalt ferrite CoFe2O4 (CFO) nanofibers elaborated by sol gel based electrospinning technique, particularly…

CrxSe (x\le1) is a class of quasi-layered binary compounds with potential applications in spintronics due to its intriguing antiferromagnetic properties. In this work, CrxSe single crystals with high Cr content (x=0.87, 0.91 and 0.95) were…

Materials Science · Physics 2023-12-01 Yuqing Bai , Shuang Pan , Ziqian Lu , Yuanyuan Gong , Guizhou Xu , Feng Xu

Entanglement of two different quantum orders is of an interest of the modern condensed matter physics. One of the examples is the dynamical multiferroicity, where fluctuations of electric dipoles lead to magnetization. We investigate this…

Materials Science · Physics 2020-09-29 Alexander Khaetskii , Vladimir Juricic , Alexander V. Balatsky

We carried out inelastic neutron scattering to study the spin-orbital (SO) exciton in a single crystal sample of CoTiO$_3$ as a function of temperature. CoTiO$_3$ is a honeycomb magnet with dominant XY-type magnetic interaction and an…

Strongly Correlated Electrons · Physics 2020-10-14 Bo Yuan , M. B. Stone , Guo-Jiun Shu , F. C. Chou , Xin Rao , J. P. Clancy , Young-June Kim

We apply the first-principles density functional theory + dynamical mean field theory framework to evaluate the crystal field splitting on rare earth sites in hard magnetic intermetallics. An atomic (Hubbard-I) approximation is employed for…

Strongly Correlated Electrons · Physics 2017-11-15 Pascal Delange , Silke Biermann , Takashi Miyake , Leonid Pourovskii

In a recent study of the magnetic properties of rare-earth systems the two extreme situations have been considered in which the crystalline electrostatic field is large or small with respect to the spin-orbit interaction. In the first case…

Strongly Correlated Electrons · Physics 2010-08-17 Keisuke Hatada , Kuniko Hayakawa , Fabrizio Palumbo

Organic and molecule-based magnets are not easily attainable, because to introduce stable paramagnetic centers to pure organic systems is challenging. Crystalline covalent organic frameworks (COFs) with high designability and chemical…

Chemical Physics · Physics 2020-06-09 Hongde Yu , Dong Wang

Bulk metallic samples were synthesized from different binary powder mixtures consisting of elemental Cu, Co, and Fe using severe plastic deformation. Small particles of the ferromagnetic phase originate in the conductive Cu phase, either by…

High density magnetic recording requires high coercivity magnetic media and small particle size. Barium hexaferrite has been considered as a leading candidate material because of its chemical stability, fairly large crystal anisotropy and…

Chemical Physics · Physics 2014-04-08 Yomen Atassi , Iyad Seyd Darwich , Mohammad Tally

High energy density magnets are preferred over induction magnets for many applications, including electric motors used in flying rovers, electric vehicles, and wind turbines. However, several issues related to cost and supply with…

Materials Science · Physics 2021-06-18 Tula R Paudel , Bhubnesh Lama , Parashu Kharel

Permanent magnet has a small and compact structure, is especially suitable for a narrow space. With the aid of soft iron, the magnetic field can be increased much more and the field uniformity can be well controlled. Most Permanent magnets…

Accelerator Physics · Physics 2023-01-03 Quanling Peng , Jianxin Zhou , Saike Tian , Yingzhe Wang

Short period, high field undulators are used to produce hard X-rays on synchrotron radiation based storage ring facilities of intermediate energy and enable short wavelength Free Electron Laser. Cryogenic permanent magnet undulators take…

We report magnetoresistance measurements on thin Pt bars grown on epitaxial (001) and (111) CoFe2O4 (CFO) ferrimagnetic insulating films. The results can be described in terms of the recently discovered spin Hall magnetoresistance (SMR).…

In this paper we perform the detailed numerical analysis of remagnetization processes in nanocomposite magnetic materials consisting of magnetically hard grains (i.e. grains made of a material with a high magnetocrystalline anisotropy)…

Materials Science · Physics 2016-08-29 Sergey Erokhin , Dmitry Berkov

A density functional theory based two-terminal scattering formalism that includes spin-orbit coupling and spin non-collinearity is described. An implementation using tight-binding muffin-tin orbitals combined with extensive use of sparse…

Mesoscale and Nanoscale Physics · Physics 2018-06-15 Anton A. Starikov , Yi Liu , Zhe Yuan , Paul J. Kelly

Most of magnetic transitions related to Ce ordering are found below T_ord~12K. Among the few cases exceeding that temperature, two types of behaviors can be distinguished. One of them is related to the rare cases of Ce binary compounds…

Strongly Correlated Electrons · Physics 2015-06-19 J. G. Sereni , P. Pedrazzini , M. Gómez Berisso , A. Chacoma , S. Encina , T. Gruner , N. Caroca-Canales , C. Geibel

Hard x-ray scattering (HXS) experiments with a photon energy of 100keV were performed as a function of temperature and applied magnetic field on selected compounds of the RFe$_3$(BO$_3$)$_4$ family. The results show the presence of several…

Strongly Correlated Electrons · Physics 2010-09-09 J. E. Hamann-Borrero , M. Philipp , O. Kataeva , M. v. Zimmermann , J. Geck , R. Klingeler , A. Vasiliev , L. Bezmaternykh , B. Büchner , C. Hess

The availability of large high-quality single crystals is an important prerequisite for many studies in solid-state research. The optical floating-zone technique is an elegant method to grow such crystals, offering potential to prepare…

Magnetic refrigeration can provide an environmentally friendly technology to reduce significantly the energy consumption of cooling devices. To retain the sustainability of the device, all parts must be made from abundant materials,…