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Fig. 2.

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Series of mid-IR spectra of EA shown at different temperatures and two different spectral regions. About 200 ML of EA were initially condensed on the KBr surface at 10 K and warmed up to 250 K with a linear heating ramp. Spectra are shifted in ordinate for clarity. The spectrum at 190 K is made bold to indicate the complete phase transition from amorphous to crystalline.

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