Jahn-Teller glassy crystals
F. A. BoĭkoPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR , DonetskG. Yu. BochkovayaPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR , DonetskA. M. BykovPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR , DonetskVadim KsenofontovPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR , DonetskI. V. RubanPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR , DonetskB. Ya. SukharevskiǐPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR , Donetsk
ABI
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Using adiabatic calorimetry and the Mössbauer effect, we show for the first time that a “glass-liquid” transition is possible in a Jahn–Teller crystal. The transition is accompanied by low-frequency oscillations that are probably characteristic of glassy transitions in a broad class of substances.
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