scanning tunneling microscopy

A scanning tunneling microscope (STM) is an instrument for imaging surfaces at the atomic level. Its development in 1981 earned its inventors, Gerd Binnig and Heinrich Rohrer (at IBM ZÃ¼rich), the Nobel Prize in Physics in 1986.[1][2] For an STM, good resolution is considered to be 0.1 nm lateral resolution and 0.01 nm depth resolution.[3] With this resolution, individual atoms within materials are routinely imaged and manipulated. The STM can be used not only in ultra-high vacuum but also in air, water, and various other liquid or gas ambients, and at temperatures ranging from near zero kelvin to a few hundred degrees Celsius.[4]

For more information about scanning tunneling microscopy check the Wikipedia article here

ZME Science posts about scanning tunneling microscopy

Scientists synthesize and image 5-ring graphite molecule in tribute to Olympics symbol

Tue, May 29, 2012

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The 2012 London summer Olympic games are just a few weeks away, and as millions are set to flock to the city and other hundreds of millions will rejoice on the web and TV at the world’s grandest spectacle of athletic performance, it’s pretty clear this is one of the most anticipated events of the year. Every [...]

atomic force microscopy, IBM, olympics, scanning tunneling microscopy

IBM images electric charge distribution in a SINGLE molecule – world’s first!

Mon, Feb 27, 2012

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Part of a the recent slew of revolutionary technological and scientific novelties coming off IBM‘s research and development lab, the company has just announced that it has successfully managed to measure and image for the first time how charge is distributed within a single molecule. The achievement was made possible after a new technique, called Kelvin probe force microscopy [...]

atomic force microscopy, electric charge, IBM, Kelvin probe force microscopy, molecule, naphthalocyanine, scanning tunneling microscopy

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