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Title: Ferromagnetic resonances in single-crystal yttrium iron garnet nanofilms fabricated by metal-organic decomposition

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/5.0067122· OSTI ID:1828207
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Tunable microwave and millimeter wave oscillators and bandpass filters with ultra-low phase noise play a critical role in electronic devices, including wireless communication, microelectronics, and quantum computing. Magnetic materials, such as yttrium iron garnet (YIG), possess ultra-low phase noise and a ferromagnetic resonance tunable up to tens of gigahertz. Here, we report structural and magnetic properties of single-crystal 60 and 130 nm-thick YIG films prepared by metal-organic decomposition epitaxy. These films, consisting of multiple homoepitaxially grown monolayers, are atomically flat and possess magnetic properties similar to those grown with liquid-phase epitaxy, pulsed laser deposition, and sputtering. Our approach does not involve expensive high-vacuum deposition systems and is a true low-cost alternative to current commercial techniques that have the potential to transform the industry.

Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05-CH11231; OIA-1557417; DESC0008505
OSTI ID:
1828207
Journal Information:
Applied Physics Letters, Journal Name: Applied Physics Letters Vol. 119 Journal Issue: 17; ISSN 0003-6951
Publisher:
American Institute of PhysicsCopyright Statement
Country of Publication:
United States
Language:
English

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