RHK PanScan

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Image of the Month
Posted Date: May 1, 2006
iotm-may-2006

Microscope:
Home-built atomic force microscope in a He-3 cryostat

Controls:
SPM 1000 Control System

Description:
Single-electron charging events of a quantum dot that forms in a semiconducting carbon nanotube at temperature T=4K, visualized by an atomic force microscope using resonance frequency shift microscopy. The quantum dot is located at the center of the concentric rings. As the tip moves towards the quantum dot, a single electron tunnels onto the quantum dot each time the tip crosses a dark line.

Jun Zhu, Paul L. McEuen and Markus Brink
Cornell Universit

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Image of the Month
Posted Date: April 1, 2006
institution

Microscope:
Home-built Confocal Microscope

Controls:
SPM 1000 Control System

Description:
Fluorescence image of DNA deposited on streptavidin-coated glass surface. The painting “Degas Dancers” by Gina Candelori written with green and red channels using rhodamine green and alexa 647-labeled DNA with 1 micron pixels.

Kit T. Rodolfa, Andreas Bruckbauer, Dejian Zhou, Yuri E. Korchev, and David Klenerman – University of Cambridge and Imperial College London

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Image of the Month
Posted Date: March 1, 2006
institution

Microscope: RHK UHV 400 STM (Now UHV 700)
Controls: SPM 1000 Control System

Self-Assembling Nano Corrals Study reveals spontaneous reactions that alter surface electronic properties.

Courtesy of: 
John Polanyi, Sergey Dobrin, K. Rajamma Harikumar and Peter Sloan

University of Toronto

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Image of the Month
Posted Date: February 1, 2006
institution

Microscope: USM-1300
Controls: SPM 1000

STS data on Si(111) at 4K numerically differentiated to obtain dI/dV as a functon of position.

Courtesy of:
Masanori Ono and
Yukio Hasegawa
University of Tokyo

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