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Single crystals of \ce{AgInCr4S8} were grown by chemical vapor transport and crystallographic ordering of Ag/In that results in a breathing pyrochlore motif of Cr$^{3+}$ was verified by x-ray and neutron diffraction. Long-range…

A simple but general microscopic mechanism to understand the interplay between the electric and magnetic degrees of freedom is developed. Within this mechanism, the magnetic structure generates an electric current which induce an…

Strongly Correlated Electrons · Physics 2009-11-13 Jiangping Hu

Antiferromagnet materials have recently gained renewed interest due to their possible use in spintronics technologies, where spin transport is the foundation of their functionalities. In that respect metallic antiferromagnets are of…

Strongly Correlated Electrons · Physics 2020-08-11 Saima A. Siddiqui , Joseph Sklenar , Kisung Kang , Matthew J. Gilbert , André Schleife , Nadya Mason , Axel Hoffmann

The self-interaction corrected density-functional calculations are performed for Re impurities and their pairs in silicon. Rhenium ions form in the host crystal not very tight pairs, with impurities separated by one Si atom or by a distance…

Materials Science · Physics 2012-07-13 Malgorzata Wierzbowska

We have calculated the magnetic properties of substituted 3d-impurities (Cr-Ni) in a GaAs host by means of first principles electronic structure calculations. We provide a novel model explaining the ferromagnetic long rang order of III-V…

Materials Science · Physics 2009-11-07 S. Mirbt , B. Sanyal , P. Mohn

Magnetic skyrmion crystals are traditionally associated with non-centrosymmetric crystal structures; however, it has been demonstrated that skyrmion crystals can be stabilized by competing interactions in centrosymmetric crystals. To…

Motivated by recent experiments involving the non-destructive imaging of magnetization of a spin-1 87Rb Bose gas (Higbie et al., cond-mat/0502517), we address the question of how the spontaneous magnetization of a ferromagnetic BEC occurs…

Other Condensed Matter · Physics 2009-11-11 Hiroki Saito , Masahito Ueda

The interplay of orbital and spin degrees of freedom is the fundamental characteristic in numerous condensed matter phenomena, including high temperature superconductivity, quantum spin liquids, and topological semimetals. In iron-based…

The number of magnetoelectric multiferroic materials reported to date is scarce, as magnetic structures that break inversion symmetry and induce an improper ferroelectric polarization typically arise through subtle competition between…

Diluted magnetic semiconductors possessing intrinsic static magnetism at high temperatures represent a promising class of multifunctional materials with high application potential in spintronics and magneto-optics. In the hexagonal Fe-doped…

Strongly Correlated Electrons · Physics 2016-08-07 A. Zorko , M. Pregelj , M. Gomilšek , Z. Jagličić , D. Pajić , M. Telling , I. Arčon , I. Mikulska , M. Valant

The demagnetizing factor has an important effect on the physics of ferromagnets. For cuboidal samples it depends on susceptibility and the historic problem of determining this function continues to generate theoretical and experimental…

Strongly Correlated Electrons · Physics 2020-10-22 Mikael Twengström , Laura Bovo , Oleg A. Petrenko , Steven T. Bramwell , Patrik Henelius

The magnetic properties of disordered graphene and irradiated graphite are systematically studied using a combination of mean-field Hubbard model and first-principles calculations. By considering large-scale disordered models of graphene, I…

Materials Science · Physics 2008-07-17 Oleg V. Yazyev

Inverse spin Hall effect (ISHE) in ferromagnetic metals (FM) can also be used to detect the spin current generated by longitudinal spin Seebeck effect in a ferromagnetic insulator YIG. However, anomalous Nernst effect(ANE) in FM itself…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 Hao Wu , Xiao Wang , Li Huang , Jianying Qin , Chi Fang , Xuan Zhang , Caihua Wan , Xiufeng Han

We examine the appearance of a spin density wave in the FeAs parent compounds due to an excitonic instability. Using a realistic four-band model, we show that the magnetic state depends very sensitively upon the details of the band…

Superconductivity · Physics 2009-08-19 P. M. R. Brydon , Carsten Timm

Magnetometry, x-ray, and neutron scattering have been used to study the structural and magnetic properties of a TbMnO3 thin film grown on a [001] SrTiO3 substrate by pulsed laser deposition. Although bulk TbMnO3 is a low temperature…

Materials Science · Physics 2009-11-13 B. J. Kirby , D. Kan , A. Luykx , M. Murakami , D. Kundaliya , I. Takeuchi

The magnetic structure of the intermetallic antiferromagnet Sm2IrIn8 was determined using x-ray resonant magnetic scattering (XRMS). Below TN = 14.2, Sm2IrIn8 has a commensurate antiferromagnetic structure with a propagation vector…

Strongly Correlated Electrons · Physics 2007-05-23 C. Adriano , R. Lora-Serrano , C. Giles , F. de Bergevin , J. C. Lang , G. Srajer , C. Mazzoli , L. Paolasini , P. G. Pagliuso

The results of the X-ray, microscopic, magnetic, and dielectric measurements performed for PFN single crystals and ceramic samples are presented. The influence of the technological conditions on selected physical properties of the materials…

Materials Science · Physics 2007-05-23 K. Zieleniec , K. Wojcik , M. Milata , J. Kapusta

We find that for simple metal clusters a single-electron description of the ground state employing self-interaction correction (SIC) in the framework of local-density approximation strongly contaminates the high energy photoionization cross…

Atomic and Molecular Clusters · Physics 2009-11-07 M. E. Madjet , Himadri S. Chakraborty , Jan-M. Rost

The ternary intermetallic compound Pr6Ni2Si3, is a member of a structure series of compounds based on a triangular structure where the number of Pr atoms in the prism cross section can be systematically varied. Pr6Ni2Si3 contains two…

Materials Science · Physics 2009-11-13 Y. Janssen , K. W. Dennis , R. Prozorov , P. C. Canfield , R. W. McCallum

We show that the drift-diffusion mechanism in a normal-metal layer in combination with the resonance electron-magnon interactions at ferromagnet-normal interface of F-N-F heterostucture creates spatial instability modes and, out of these…

Adaptation and Self-Organizing Systems · Physics 2009-11-11 Pavel Levin