'Scanning tunneling' diaporamas de présentation

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Scanning Probe Microscopes SPM

Scanning Probe Microscopes SPM History of scanning probe microscopes SPM System Overview Piezoelectric Effect Scanning Tunneling Microscope (STM) Atomic Force Microscope (AFM) Force vs. Distance Curve Scanning modes Vendors http://mechmat.caltech.edu/~kaushik/park/contents.htm

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X. Low energy electron diffraction (LEED)

X. Low energy electron diffraction (LEED). 10-1. 2-dimensional surface structures. Bulk: 14 Bravais lattices. Surface: 5 surface lattices. ----- describe all possible periodic surface structures ----- Miller index ----- structure = lattice point + basis

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Chapters 2 and 3 Review Worksheet

Chapters 2 and 3 Review Worksheet. Problem 1:. First find the volume:. V = ? ?w?h. V = (3.54 yd)(6.39 yd)(11.8 yd). V = 267 yd 3. Problem 1 (continued):. Convert the answer (267 yd 3 ) to nm 3. 1. m 3. 267. yd 3. 10 27. nm 3. 1. m 3. 1.3079. yd 3. = 2.04 x 10 29 nm 3.

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Chemistry 4.1

Chemistry 4.1. Defining the Atom. 4.1. The lab technician shown here is using a magnifying lens to examine a bacterial culture in a petri dish. When scientists cannot see the details of what they study, they try to obtain experimental data that help fill in the picture. 4.1.

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Search for FQHE in graphene

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Atomic Force Microscopy

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Lecture 16 Tunneling

Lecture 16 Tunneling.

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NANOTECHNOLOGY

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A View of the cell

Chapter 7 . A View of the cell. Objectives Relate advances in microscope technology to discoveries about cells and cell structure. Compare the operation of a compound light microscope with that of an electron microscope Identify the main ideas of the cell theory. . The Discovery of cells.

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Tools of the Nanosciences

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