Magnetic films with low Gilbert damping are crucial for magnonic devices,which provide a promising platform forrealizing ultralow-energy devices.In this study,low Gilbert damping and coercive field were observed in Bi...Magnetic films with low Gilbert damping are crucial for magnonic devices,which provide a promising platform forrealizing ultralow-energy devices.In this study,low Gilbert damping and coercive field were observed in Bi/In-dopedyttrium iron garnet(BiIn:YIG)thin films.The BiIn:YIG(444)films were deposited onto different substrates using pulsedlaser deposition.Low coercivity(<1 Oe)with saturation magnetization of 125.09 emu/cc was achieved along the in-planedirection of BiIn:YIG film.The values of Gilbert damping and inhomogeneous broadening of ferromagnetic resonance inBiIn:YIG films were obtained to be as low as 4.05×10^(-4)and 5.62 Oe,respectively.In addition to low damping,the giantFaraday rotation angles(up to 2.9×10^(4)deg/cm)were also observed in the BiIn:YIG film.By modifying the magneticstructure and coupling effect between Bi^(3+)and Fe^(3+)of Bi:YIG,doped In^(3+)plays a key role on variation of the magneticproperties.The low damping and giant Faraday effect made the BiIn:YIG film an appealing candidate for magnonic andmagneto-optical devices.展开更多
The two-year"Masterpieces in Miniature"tour across seven major museums in China has fully demonstrated the role of museums as grand platforms for intercultural dialogue and the blending of world civilization...The two-year"Masterpieces in Miniature"tour across seven major museums in China has fully demonstrated the role of museums as grand platforms for intercultural dialogue and the blending of world civilizations.This tour has successully opened a new chapter in cultural exchanges between China and the UK,contributing to global museum collaboration and the mutual enrichment of world civilizations.展开更多
基金supported by the National Key Research and Development Program of China(Grant No.2023YFE0201000)the National Science Fund for Distinguished Young Scholars(Grant No.52225201)+2 种基金the National Natural Science Foundation of China(Grant Nos.52372004 and 52072085)the Fundamental Research Funds for the Central Universities(Grant Nos.2023FRFK06001 and HIT.BRET.2022001)Heilongjiang Touyan Innovation Team Program.
文摘Magnetic films with low Gilbert damping are crucial for magnonic devices,which provide a promising platform forrealizing ultralow-energy devices.In this study,low Gilbert damping and coercive field were observed in Bi/In-dopedyttrium iron garnet(BiIn:YIG)thin films.The BiIn:YIG(444)films were deposited onto different substrates using pulsedlaser deposition.Low coercivity(<1 Oe)with saturation magnetization of 125.09 emu/cc was achieved along the in-planedirection of BiIn:YIG film.The values of Gilbert damping and inhomogeneous broadening of ferromagnetic resonance inBiIn:YIG films were obtained to be as low as 4.05×10^(-4)and 5.62 Oe,respectively.In addition to low damping,the giantFaraday rotation angles(up to 2.9×10^(4)deg/cm)were also observed in the BiIn:YIG film.By modifying the magneticstructure and coupling effect between Bi^(3+)and Fe^(3+)of Bi:YIG,doped In^(3+)plays a key role on variation of the magneticproperties.The low damping and giant Faraday effect made the BiIn:YIG film an appealing candidate for magnonic andmagneto-optical devices.
文摘The two-year"Masterpieces in Miniature"tour across seven major museums in China has fully demonstrated the role of museums as grand platforms for intercultural dialogue and the blending of world civilizations.This tour has successully opened a new chapter in cultural exchanges between China and the UK,contributing to global museum collaboration and the mutual enrichment of world civilizations.
