Department of Physics and Astronomy: Publications and Other Research

 

Document Type

Article

Date of this Version

9-5-2023

Citation

J. Phys.: Condens. Matter 35 (2023) 485801 (9pp). https://doi.org/10.1088/1361-648X/acf35b

Comments

Used by permission.

Abstract

Metal-organic decomposition epitaxy is an economical wet-chemical approach suitable to synthesize high-quality low-spin-damping films for resonator and oscillator applications. This work reports the temperature dependence of ferromagnetic resonances and associated structural and magnetic quantities of yttrium iron garnet nanofilms that coincide with single-crystal values. Despite imperfections originating from wet-chemical deposition and spin coating, the quality factor for out-of-plane and in-plane resonances approaches 600 and 1000, respectively, at room temperature and 40 GHz. These values increase with temperature and are 100 times larger than those offered by commercial devices based on complementary metal-oxide semiconductor voltage-controlled oscillators at comparable production costs.

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