Development of a High Sensitivity VNA-FMR Spectrometer with Field Modulation Detection and its Application to Magnetic Characterization

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  • 磁場変調検出を用いた高感度VNA強磁性共鳴測定装置の開発とその磁化測定への応用
  • ジバ ヘンチョウ ケンシュツ オ モチイタ コウカンド VNA キョウジセイ キョウメイ ソクテイ ソウチ ノ カイハツ ト ソノ ジカ ソクテイ エ ノ オウヨウ
  • Development of a high‐sensitivity VNA‐FMR spectrometer with field modulation detection and its application to magnetic characterization

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<p>We have developed a vector network analyzer ferromagnetic resonance (VNA-FMR) spectrometer with field modulation detection. This system provides broadband coverage and very high sensitivity to resolve the FMR signal on a ultra-thin (∼ 1 nm thick) magnetic film. This paper first presents the detail of the VNA-FMR spectrometer built in this work, including its operation principle and design guideline, and second various magnetic properties obtained by the VNA-FMR measurement results.</p>

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