Differences between STM and AFM

Usually, AFM is the method of choice to gain a fast large scale overview on a sample. The operation mode should be carefully chosen according to the criteria 

Typically, STM is the method of choice to receive high resolution images and to gain insight into the electronic structure of molecules on conductive substrates. STM data depend on the electronic interaction of the molecule with the substrate and therefore require a careful choice and preparation of the substrate. 

Manifold self-organized and self-assembled mono- and multilayers of smaller molecules have been reported in literature, to name some examples multiple structured monolayers of iodobenzene [109], multilayers of perylene molecules [110], mulitilayer and monolayers of dialkylamino hydroxylated squaraincs [111], monolayers employing marker groups [112], and self-assembled monolayers of thiolate bound molecules [113, 114]. 

Within organized monolayers, segregation in domains of different conformers [115], segregation in rows of different structure [116], dislocations and defects [117] as well as chirality as emergent property of self-organized layers [118-122] 

53) The capillary force resulting from the water film always present in air belongs also in this listing of forces. However, it is generally an unwanted interaction, because the interaction is not reflecting the molecular or surface properties. 

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What are the differences between STM and AFM, providing examples of their applications ... 

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