Low temperature scanning tunneling microscope
Our LTSTM is designed to operate in temperatures down to 5 K, in magnetic fields of up to 9 T,
in a vacuum environment of 10-9
Torr. We have tested the instrument in temperatures down to 80 K,
in a vacuum of 10-6 Torr.
Helium dewar on the vibration isolation platform
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Data acquisition using homemade electronics and nanoscope software
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The coarse approach mechanism
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Graphite image obtained with this system
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Room temperature scanning tunneling microscope
Inside the coarse approach mechanism
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STM head sans external shield
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Jerry Kielbasa enjoys changing the tip...
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...and obtains an atomic resolution graphite image
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How does a scanning tunneling microscope work?