GERD BINNIG (GERMANY b.1947) & HEINRICH ROHRER

1980 – Switzerland

SEM image of Caffeine crystals. Credit: Annie Cavanagh. Wellcome ImagesSEM image of Diatom frustule.SEM image of Moth Fly

‘Scanning Electron Microscope’

If a needle charged with electricity is placed extremely close to the surface of a metal or semi-conductor a miniscule but measurable electric current, known as a ‘tunneling current’ will leap the gap. This current is extraordinarily sensitive to the width of the gap. The size of the tunneling current therefore reveals the distance between the needle tip and the surface.

Photograph of Gerd Binnig - worked on the scanning-tunneling electron microscope ©

GERD BINNIG

Photograph of Heinrich Rohrer - worked on the scanning-tunneling electron microscope ©

HEINRICH ROHRER

picture of the Nobel medal - link to nobelprize.org

Wikipedia-logo © (link to wikipedia)
 
 

ROBERT CURT (USA b.1953) HAROLD KROTO (UK b.1939) RICHARD SMALLEY (USA 1943-2005)TIMELINE

MICROSCOPYMICROSCOPY

Related sites

scanning electron microscope (serc.carleton.edu/)
how-sem-works (nanoscience.com/)
high voltage electron microscopy (esi.nagoya-u.ac.jp)(2013)

One thought on “GERD BINNIG (GERMANY b.1947) & HEINRICH ROHRER

  1. Pingback: ANTON VAN LEEUWENHOEK (1632-1723) | neilsen

Leave a comment - especially if you find factual or grammatical errors

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s