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SRC Review – October 4 th, 2005 © 2005 M.Y. Simmons Single atom imaging and manipulation Don Eigler (IBM), Science 262, 218 (1993) Silicon (100) surface Fe atoms on the Cu(111) surface STM manipulation of single atoms is possible but complete device fabrication procedure in vacuum requires ability to locate devices – 1 in 1 trillion chance
SRC Review – October 4 th, 2005 © 2005 M.Y. Simmons Atomically precise single P atom placement 350°C S.R. Schofield, N.J. Curson, M.Y. Simmons et al., Phys. Rev. Lett. 91 136104 (2003). 50 nm Coarse Fine Atomic 150 350 550 750 Temp. (°C) PH 3 PH 2 PH 2 P (incorporated) H desorption P desorption
SRC Review – October 4 th, 2005 © 2005 M.Y. Simmons Using STMs to fabricate devices SCANNING TUNNELING MICROSCOPE SCANNING ELECTRON MICROSCOPE OPTICAL MICROSCOPE 30μm100μm HUMAN EYE 2 mm
INFMDMF INFMeeting, Genova Giugno 2003 EFFECTIVE MASS AND MOMENTUM RESOLVED INTRINSIC LINEWIDTH OF IMAGE-POTENTIAL STATES ON Ag(100) INFM and Università
Scanning near-field optical microscopy (SNOM) for magneto-optics Paolo Vavassori INFM - National Research Center on nanoStructures and Biosystems at Surfaces.
Science Saturday --- October 1, Nanotechnology Exciting new science and technology for the 21st century IBM chipUMass LogoTI mirror array.
Nanoscience, Nanotechnology and Nanomanufacturing Exciting new science and technology for the 21st century.
Measuring Nanostructures. How do we see nanostructures? A light microscope? Helpful, but cannot resolve below 1000 nm An electron microscope? Has a long.
Use lenses to direct light in order to enlarge images
Microscopes. Simple Light Microscopes Contains one lens Uses light Used by Anton van Leeuwenhoek in the 1600s.
1 Vjachslav Ksenofontov PhD senior researcher National Scientific Centre Kharkov Institute of Physics and Technology, Kharkov,
Scanning tunnelling spectroscopy
STM/S Imaging Studies in the Vortex State Anjan K. Gupta Physics Department, IIT, Kanpur (Tutorial, IVW10 at TIFR)
STM study of organic molecules on a hexagonal SiC surface Tamara Ovramenko PhD supervisors: Andrew Mayne Gérald Dujardin Groupe de Nanosciences Moléculaires.
An STM Measures I(r) Tunneling is one of the simplest quantum mechanical process A Laser STM for Molecules Tunneling has transformed surface science. Scanning.
Development of Scanning Probe Lithography (SPL)
Conductance of a Single Conjugated Polymer as a Continuous Function of Its Length Lafferentz et al, Science Florent Martin, EE235, 05/03/09.
Tunneling. Energy Barrier Kinetic energy is used to overcome potential energy. More for motion past barrier Less creates turning point Objects with.
Micro-Manufacturing Examples A mite measuring 500 long sits on a mirror array used for optical data switching. The mirror [flat in the left image, folded.
Thermal Radiation Scanning Tunneling Microscopy Yannick De Wilde, Florian Formanek, Remi Carminati, Boris Gralak, Paul-Arthur Lemoine, Karl Joulain, Jean-Philippe.
Nanoscale Images All the images in these slides were created using scanning tunneling microscopes (STMs) or atomic force microscopes (AFMs). These images.
Nanoscience 15 lectures + 3 tutorials
Seeing Atoms & Molecules COSMOS 2008 Wilson Ho University of California, Irvine.
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