バナジルフタロシアニン薄膜の初期成長過程に及ぼす基板の効果

概要

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Vanadylphthalocyanine (VOPc) thin films, grown with epitaxy and quasi-epitaxy, were prepared using organic beam epitaxy equipment on KCl and KBr substrates. The VOPc thin film fabricated on KBr substrate changes from a VOPc thin film dominated by epitaxy to one mainly grown with quasi-epitaxy, with the increase in annealing time. On the other hand, the VOPc thin film prepared on KCl substrate transferred from VOPc thin film mainly grown with epitaxy to quasi-epitaxy with the increase in annealing time. We also observed the surface morphologies of VOPc thin films fabricated on KBr and KCl substrates by using Atomic Force Microscopy (AFM) with the increase in annealing time. On the KBr substrate, abundant nano-size VOPc crystals were observed on the VOPc thin film, based on the increase in annealing time. On the KCl substrate, the VOPc thin film grows with the depositing process; dominated by the step-terrace of the KCl substrate surface.
日本真空協会の論文
2006-06-20