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Related papers: Magnon hybridization in ferrimagnetic heterostruct…

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We theoretically consider the spin Seebeck effect, the charge Seebeck coefficient, and the thermoelectric figure of merit in superconducting hybrid structures including either magnetic textures or intrinsic spin-orbit coupling. We…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 Marianne Etzelmüller Bathen , Jacob Linder

The utilization of ferromagnetic (FM) materials in thermoelectric devices allows one to have a simpler structure and/or independent control of electric and thermal conductivities, which may further remove obstacles for this technology to be…

The theoretical study of the optical properties of TE- and TM- modes in a four-layer structure composed of the magneto-optical yttrium iron garnet guiding layer on a dielectric substrate covered by planar nanocomposite guiding multilayer is…

We investigate theoretically magnon-mediated superconductivity in a heterostructure consisting of a normal metal and a two-sublattice antiferromagnetic insulator. The attractive electron-electron pairing interaction is caused by an…

Superconductivity · Physics 2019-10-02 Eirik Erlandsen , Akashdeep Kamra , Arne Brataas , Asle Sudbø

We report a simultaneous measurement of a longitudinal spin Seebeck effect (LSSE) and thermal conductivity in a Pt/${\rm Y_{3}Fe_{5}O_{12}}$ (YIG)/Pt system in a temperature range from 10 to 300 K. By directly monitoring the temperature…

Materials Science · Physics 2017-05-10 Ryo Iguchi , Ken-ichi Uchida , Shunsuke Daimon , Eiji Saitoh

When there is a certain amount of field inhomogeneity, the biased ferrimagnetic crystal will exhibit the higher-order magnetostatic (HMS) mode in addition to the uniform-precession Kittel mode. In cavity magnonics, we show both…

Quantum Physics · Physics 2021-12-28 Wei-Jiang Wu , Da Xu , Jie Qian , Jie Li , Yi-Pu Wang , J. Q. You

We study the local and non-local magnetoresistance of thin Pt strips deposited onto yttrium iron garnet. The local magnetoresistive response, inferred from the voltage drop measured along one given Pt strip upon current-biasing it, shows…

Spin dynamics in Al-substituted yttrium iron garnets is investigated using broadband ferromagnetic resonance measurements in the temperature range T=200-360 K. Using the measured data, the resonance field and linewidth as well as their…

Materials Science · Physics 2025-02-21 D. Popadiuk , V. Borynskyi , A. Kravets , Y. Shlapa , S. Solopan , A. Belous , A. Tovstolytkin , V. Korenivski

We present a theoretical study of the dispersion and energy properties of the eigenwaves (TE- and TM- modes) in a four-layer structure composed of a magneto-optical yttrium iron garnet guiding layer on a dielectric substrate covered by a…

A detailed study of the magnetic and magnetocaloric properties of a garnet compound Mn$_{3}$Cr$_{2}$Ge$_{3}$O$_{12}$ is carried out using x-ray diffraction, magnetization, heat capacity, and neutron diffraction measurements as well as…

Strongly Correlated Electrons · Physics 2024-03-14 S. Mohanty , A. Magar , Vikram Singh , S. S. Islam , S. Guchhait , A. Jain , S. M. Yusuf , A. A. Tsirlin , R. Nath

"Pumping" of phonons by a dynamic magnetization promises to extend the range and functionality of magnonic devices. We explore the impact of phonon pumping on room-temperature ferromagnetic resonance (FMR) spectra of bilayers of thin…

Mesoscale and Nanoscale Physics · Physics 2022-07-20 Richard Schlitz , Luise Siegl , Takuma Sato , Weichao Yu , Gerrit E. W. Bauer , Hans Huebl , Sebastian T. B. Goennenwein

Temperature dependent X-ray diffraction and Raman spectroscopic studies were carried out on the flux grown single crystals of gallium ferrite with Ga:Fe ratio of 0.9:1.1. Site occupancy calculations from the Rietveld refinement of the X-ray…

Materials Science · Physics 2011-10-24 Somdutta Mukherjee , Rajeev Gupta , Ashish Garg

THz magnetization dynamics is excited in ferrimagnetic thulium iron garnet with a picosecond, single-cycle magnetic field pulse and seen as a high-frequency modulation of the magneto-optical Faraday effect. Data analysis combined with…

Materials Science · Physics 2021-07-21 T. G. H. Blank , K. A. Grishunin , E. A. Mashkovich , M. V. Logunov , A. K. Zvezdin , A. V. Kimel

We study the temperature dependent magnetic susceptibility of a strained graphene quantum dot by using the determinant quantum Monte Carlo method. Within the Hubbard model on a honeycomb lattice, our unbiased numerical results show that a…

Strongly Correlated Electrons · Physics 2015-02-13 Shuai Cheng , Jinming Yu , Tianxing Ma , N. M. R. Peres

We experimentally and theoretically demonstrate that nonlinear spin-wave dynamics can induce an effective resonant interaction between non-resonant magnon modes in a yttrium iron garnet disk. Under strong pumping near the ferromagnetic…

We study theoretically the variation of the magnetic and the structural transition temperatures of the iron arsenide superconductors with external uniaxial stress. We show that the increase of the transition temperatures reported in recent…

Strongly Correlated Electrons · Physics 2015-06-03 A. Cano , I. Paul

The spin-Seebeck effect (SSE) in ferromagnetic metals and insulators has been investigated systematically by means of the inverse spin-Hall effect (ISHE) in paramagnetic metals. The SSE generates a spin voltage as a result of a temperature…

Materials Science · Physics 2012-06-26 K. Uchida , T. Ota , H. Adachi , J. Xiao , T. Nonaka , Y. Kajiwara , G. E. W. Bauer , S. Maekawa , E. Saitoh

Understanding the transfer of spin angular momentum is essential in modern magnetism research. A model case is the generation of magnons in magnetic insulators by heating an adjacent metal film. Here, we reveal the initial steps of this…

Magnetostatic modes of Yttrium Iron Garnet (YIG) films are investigated by ferromagnetic resonance force microscopy (FMRFM). A thin film ``probe'' magnet at the tip of a compliant cantilever introduces a local inhomogeneity in the internal…

Materials Science · Physics 2007-05-23 R. Urban , A. Putilin , P. E. Wigen , S. -H. Liou , M. C. Cross , P. C. Hammel , M. L. Roukes

Topological Hall effect (THE), an electrical transport signature of systems with chiral spin textures like skyrmions, has been observed recently in topological insulator (TI)-based magnetic heterostructures. However, the intriguing…

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