At 191 degrees C the organic semiconductor alpha-quaterthiophene is demonstrated to undergo a phase transition from the low temperature to the high temperature polymorph. Calorimetry, x-ray diffraction, optical reflectivity, and ellipsometry measurements were employed to analyze this transition and to show that this can be thermally induced on single crystals preserving the single crystalline nature of the sample over large domains. (c) 2007 American Institute of Physics.
Campione, M., Tavazzi, S., Moret, M., Porzio, W. (2007). Crystal-to-crystal phase transition in alpha-quaterthiophene: An optical and structural study. JOURNAL OF APPLIED PHYSICS, 101(8), 083512 [10.1063/1.2718291].
Crystal-to-crystal phase transition in alpha-quaterthiophene: An optical and structural study
CAMPIONE, MARCELLO;TAVAZZI, SILVIA;MORET, MASSIMO;
2007
Abstract
At 191 degrees C the organic semiconductor alpha-quaterthiophene is demonstrated to undergo a phase transition from the low temperature to the high temperature polymorph. Calorimetry, x-ray diffraction, optical reflectivity, and ellipsometry measurements were employed to analyze this transition and to show that this can be thermally induced on single crystals preserving the single crystalline nature of the sample over large domains. (c) 2007 American Institute of Physics.
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