Abstract

Structural analyses are reported of ∼ 5 μm thick VOPc films grown on a KBr(001) surface by the MBE technique. The crystal is monoclinic with lattice parameters a = 14.2 A ̊ , b = 13.1 A ̊ , c = 12.7 A ̊ and β = 103.2°. The orientation of the unit cell is influenced by the crystal lattice of the substrate even in this thickness range: The projections of the a- and b-axes of VOPc onto the (001) plane of KBr coincide with the [110] directions of KBr. Four kinds of crystal orientations were observed in pole figure measurements.

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