Phonon Spectroscopy of MnF2/ZnF2 Mixed Crystals
Superconducting tunnel junction phonon spectroscopy has shown resonant phonon scattering at magnon-phonon cross-overs in mixed crystals of MnF2/ZnF2. A resonance at 440 GHz and another between 208 GHz and 185 GHz are unexplained.
KeywordsDispersion Curve Tunnel Junction Mixed Crystal Broad Resonance Phonon Dispersion Curve
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