Low loss spin wave resonances in organic-based ferrimagnet vanadium tetracyanoethylene thin films

10 Aug 2016 Zhu Na Zhang Xufeng Froning I. H. Flatté Michael E. Johnston-Halperin E. Tang Hong X.

We experimentally demonstrate high quality factor spin wave resonances in an encapsulated thin film of the organic-based ferrimagnet vanadium tetracyanoethylene (V[TCNE]$_\textit{x~2}$) coated on an a-plane sapphire substrate by low temperature chemical vapor deposition. The thickness standing wave modes are observed in a broad frequency range (1 GHz ~ 5 GHz) with high quality factor exceeding 3,200 in ambient air at room temperature, rivaling those of inorganic magnetic materials... (read more)

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