Effect of Substrate on Spin-Wave Propagation Properties in Ferrimagnetic Thulium Iron Garnet Thin Films
arXiv:2405.10740 · doi:10.1002/aelm.202400398
Abstract
Rare-earth iron garnets have distinctive spin-wave (SW) properties such as low magnetic damping and long SW coherence length making them ideal candidates for magnonics. Among them, thulium iron garnet (TmIG) is a ferrimagnetic insulator with unique magnetic properties including perpendicular magnetic anisotropy (PMA) and topological hall effect at room temperature when grown down to a few nanometers, extending its application to magnon spintronics. Here, the SW propagation properties of TmIG films (thickness of 7-34 nm) grown on GGG and sGGG substrates are studied at room temperature. Magnetic measurements show in-plane magnetic anisotropy for TmIG films grown on GGG and out-of-plane magnetic anisotropy for films grown on sGGG substrates with PMA. SW electrical transmission spectroscopy measurements on TmIG/GGG films unveil magnetostatic surface spin waves (MSSWs) propagating up to 80 um with a SW group velocity of 2-8 km s^-1. Intriguingly, these MSSWs exhibit nonreciprocal propagation, opening new applications in SW functional devices. TmIG films grown on sGGG substrates exhibit forward volume spin waves with a reciprocal propagation behavior up to 32 um.
References in corpus (24)
- Generation of coherent spin-wave modes in Yttrium Iron Garnet microdiscs by spin-orbit torque
- Spin wave nonreciprocity for logic device applications
- Coherent spin-wave transport in an antiferromagnet
- Quantum control of a single magnon in a macroscopic spin system
- Hybrid nanodiamond-YIG systems for efficient quantum information processing and nanoscale sensing
- Anomalous Hall hysteresis in Tm3Fe5O12/Pt with strain-induced perpendicular magnetic anisotropy
- Magnetic resonance imaging of spin-wave transport and interference in a magnetic insulator
- Spin-wave logic devices based on isotropic forward volume magneto-static waves
- Opportunities for long-range magnon-mediated entanglement of spin qubits via on- and off-resonant coupling
- Role of dimensional crossover on spin-orbit torque efficiency in magnetic insulator thin films
- All electrical propagating spin wave spectroscopy with broadband wavevector capability
- Spin-Hall Topological Hall Effect in Highly Tunable Pt/Ferrimagnetic-Insulator Bilayers
- A Magnon Scattering Platform
- Direct current control of three magnon scattering processes in spin-valve nanocontacts
- Nanoscale imaging of antiferromagnetic domains in epitaxial films of Cr2O3 via scanning diamond magnetic probe microscopy
- Optimization of Multi-Frequency Magnonic Waveguides with Enhanced Group Velocities by Exchange Coupled Ferrimagnet/Ferromagnet Bilayers
- Filtering and imaging of frequency-degenerate spin waves using nanopositioning of a single-spin sensor
- Unidirectional Microwave Transduction with Chirality Selected Short-Wavelength Magnon Excitations
- Mapping of Spin-Wave Transport in Thulium Iron Garnet Thin Films Using Diamond Quantum Microscopy
- Nitrogen-Vacancy Magnetic Relaxometry of Nanoclustered Cytochrome C Proteins
- Spin wave study of magnetic perpendicular surface anisotropy in single crystalline MgOFeMgO films
- Skyrmion-Excited Spin Wave Fractal Network
- Spin wave propagation in uniform waveguide: effects, modulation and its application
- A unified description of collective magnetic excitations