Molecular monolayer structure investigations have been performed by Scanning Tunneling Microscopy (STM) on self-assembled systems made of dotriacontane, stearic acid, tetracosanoic acid and octadecylmercaptane adsorbed on graphite. High-resolution voltage-bias dependent STM images have been obtained and conditions for optimal image contrast are discussed. A correction procedure to minimize scanning-induced geometrical distortion has been successfully applied on dotriacontane and octadecylmercaptane images.
Molecular monolayer structure investigations by scanning tunneling microscopy.
BIANCO, BRUNO;BONFIGLIO A;CAVALLERI, ORNELLA;CINCOTTI, SILVANO;DI ZITTI, ERMANNO;RICCI, DAVIDE FRANCESCO;ROLANDI, RANIERI
1993-01-01
Abstract
Molecular monolayer structure investigations have been performed by Scanning Tunneling Microscopy (STM) on self-assembled systems made of dotriacontane, stearic acid, tetracosanoic acid and octadecylmercaptane adsorbed on graphite. High-resolution voltage-bias dependent STM images have been obtained and conditions for optimal image contrast are discussed. A correction procedure to minimize scanning-induced geometrical distortion has been successfully applied on dotriacontane and octadecylmercaptane images.
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