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Kinetics of the solid–solid II–I phase transition of isotactic polybutene-1 was investigated. The fraction W I of phase I as a function of time t tr during the phase transition was measured by X-ray diffraction at various temperatures T tr . The Avrami indices n of the W I –t tr plots are approximately unity for T tr >288K. A bell-shaped temperature...
Li 3−2x M x InBr 6 (M=Mg, Ca, Sr, Ba; x=0–1.0) was synthesized and the cation substitution effect was investigated by means of X-ray diffraction, 7 Li and 115 In nuclear magnetic resonance (NMR), and AC conductivity measurements. In Li 3−2x Mg x InBr 6 , the lattice constants a and c increased with an increase of x, but b and β did not...
Two-dimensional fluoride ion conductor KSn 2 F 5 undergoes a first-order phase transition to a superionic state at T tr =428 K associated with ΔS tr =6.3 J K -1 mol -1 . The structural changes in the temperature range from 200 to 450 K, including the superionic phase transition, were investigated by means of single-crystal X-ray analysis...
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