We can see atoms indirectly through scanning tunneling microscope(STM), which was invented in 1980s. Figl: Scanning tunneling microscope fig3: an StM image of mono- Fig 2: an image of gallium laver of perylene derivative on and arsenic atoms graphite substrate, where the obtained with an stm epitaxial relationship is observed between the organic molecule and the substrate graphiteWe can see atoms indirectly through scanning tunneling microscope (STM), which was invented in 1980s. fig3 : an STM image of mono￾layer of perylene derivative on graphite substrate, where the epitaxial relationship is observed between the organic molecule and the substrate graphite Fig1:Scanning tunneling microscope Fig2:an image of gallium and arsenic atoms obtained with an STM