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30-80 nm thick yttrium iron garnet (YIG) films are grown by pulsed laser deposition on a 5 nm thick sputtered Pt atop gadolinium gallium garnet substrate (GGG) (110). Upon post-growth rapid thermal annealing, single crystal YIG(110) emerges…

Materials Science · Physics 2016-06-29 Mohammed Aldosary , Junxue Li , Chi Tang , Yadong Xu , Jian-Guo Zheng , Krassimir N. Bozhilov , Jing Shi

Experimental observations of vacuum radiation and vacuum frictional torque are challenging due to their vanishingly small effects in practical systems. For example, a rotating nanosphere in free space slows down due to friction from vacuum…

Quantum Physics · Physics 2024-05-10 Farhad Khosravi , Wenbo Sun , Chinmay Khandekar , Tongcang Li , Zubin Jacob

The tunability of magnons enables their interaction with various other quantum excitations, including photons, paving the route for novel hybrid quantum systems. Here, we study magnon-photon coupling using a high-quality factor split-ring…

Materials Science · Physics 2024-03-25 Dinesh Wagle , Anish Rai , Mojtaba T. Kaffash , M. Benjamin Jungfleisch

Magnon systems used in quantum devices require low damping if coherence is to be maintained. The ferrimagnetic electrical insulator yttrium iron garnet (YIG) has low magnon damping at room temperature and is a strong candidate to host…

Mesoscale and Nanoscale Physics · Physics 2019-10-28 Sandoko Kosen , Arjan F. van Loo , Dmytro A. Bozhko , Laura Mihalceanu , Alexy D. Karenowska

Spin-wave (SW) propagation close to the hybridization-induced transmission stop band is investigated within a trapezoid-shaped 200\,nm thick yttrium iron garnet (YIG) film using time-resolved magneto-optic Kerr effect (TR-MOKE) microscopy…

Applied Physics · Physics 2025-07-11 Franz Vilsmeier , Christian Riedel , Christian H. Back

Yttrium iron garnet (YIG) magnonics has garnered significant research interest because of the unique properties of magnons (quasiparticles of collective spin excitation) for signal processing. In particular, hybrid systems based on YIG…

Mesoscale and Nanoscale Physics · Physics 2024-12-20 Jing Xu , Connor Horn , Yu Jiang , Amin Pishehvar , Xinhao Li , Daniel Rosenmann , Xu Han , Miguel Levy , Supratik Guha , Xufeng Zhang

We report on the structure, magnetization, magnetic anisotropy, and domain morphology of ultrathin yttrium iron garnet (YIG)/Pt films with thickness ranging from 3 to 90 nm. We find that the saturation magnetization is close to the bulk…

Quantum magnonics aims to exploit the quantum mechanical properties of magnons for nanoscale quantum information technologies. Ferrimagnetic yttrium iron garnet (YIG), which offers the longest magnon lifetimes, is a key material typically…

Magnetic patterns can be controlled globally using fields or spin polarized currents. In contrast, the local control of the magnetization on the nanometer length scale remains challenging. Here, we demonstrate how magnetic domain patterns…

Spin-orbit coupling near the surface of a ferromagnetic metal gives rises to spin-to-charge conversion with symmetry different from the conventional inverse spin Hall effect. We have previously observed this spin galvanic effect with spin…

Mesoscale and Nanoscale Physics · Physics 2018-10-17 Wafa S. Aljuaid , Shane R. Allen , Angie Davidson , Xin Fan

Spin-momentum locking in protected surface states enables efficient electrical detection of magnon decay at a magnetic-insulator/topological-insulator heterojunction. Here we demonstrate this property using the spin Seebeck effect, i.e.…

We investigate the inverse spin Hall voltage of a 10nm thin Pt strip deposited on the magnetic insulators Y3Fe5O12 (YIG) and NiFe2O4 (NFO) with a temperature gradient in the film plane. We observe characteristics typical of the spin Seebeck…

Methods for detecting spin waves rely on electrodynamical coupling between the spin wave dipolar field and an inductive probe. While this coupling is usually treated as constant, in this work, we experimentally and theoretically show that…

Mesoscale and Nanoscale Physics · Physics 2019-10-11 Pablo Borys , Oleg Kolokoltsev , Ivan Gomez-Arista , Igor Zavislyak , Gennady Melkov , Naser Qureshi , Cesar Ordonez-Romero

This review provides a comprehensive study of the nonlinear transport properties of magnons, which are electrically emitted or absorbed inside extended YIG films by spin transfer effects via a YIG$\vert$Pt interface. Our purpose is to…

Lateral thermal gradient of an yttrium iron garnet (YIG) film under the microwave application in the cavity of the electron spin resonance system (ESR) was measured at room temperature by fabricating a Cu/Sb thermocouple onto it. To date,…

Materials Science · Physics 2018-10-24 Ei Shigematsu , Yuichiro Ando , Sergey Dushenko , Teruya Shinjo , Masashi Shiraishi

We experimentally demonstrate tight focusing of a spin wave beam excited in extended nanometer-thick films of Yttrium Iron Garnet by a simple microscopic antenna functioning as a single-slit near-field lens. We show that the focal distance…

Mesoscale and Nanoscale Physics · Physics 2020-02-12 B. Divinskiy , N. Thiery , L. Vila , O. Klein , N. Beaulieu , J. Ben Youssef , S. O. Demokritov , V. E. Demidov

Spin-dependent transport at heavy metal/magnetic insulator interfaces is at the origin of many phenomena at the forefront of spintronics research. A proper quantification of the different interfacial spin conductances is crucial for many…

We present a novel process that allows the transfer of monocrystalline yttrium-iron-garnet microstructures onto virtually any kind of substrate. The process is based on a recently developed method that allows the fabrication of freestanding…

Mesoscale and Nanoscale Physics · Physics 2021-02-03 P. Trempler , R. Dreyer , P. Geyer , C. Hauser , G. Woltersdorf , G. Schmidt

We explore the inelastic spectra of electrons impinging in a magnetic system. The methodology here presented is intended to highlight the charge-dependent interaction of the electron beam in a STEM-EELS experiment, and the local vector…

The planar Hall effect of IrMn on an yttrium iron garnet (YIG = Y3Fe5O12) was measured in the magnetic field rotating in the film plane. The magnetic field angle dependence of planar Hall resistance (PHR) has been observed in YIG/IrMn…

Materials Science · Physics 2015-06-23 Xu Zhang