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Transformations of PTCDA structures on rutile TiO2 induced by thermal annealing and intermolecular forces
Transformations of molecular structures formed by perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA) molecules on a rutile TiO 2 (110) surface are studied with low-temperature scanning tunnelling microscopy. We demonstrate that metastable molecular assemblies transform into differently ordered structures either due to additional energy provided by thermal annealing or when the influence of intermolecular forces is increased by the enlarged amount of deposited molecules. Proper adjustment ofdoi:10.1515/nano.bjneah.6.155 fatcat:wayflkh5tvh3jkmn4hxhrg42ty