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LEED

LEED

LEED. Low energy electron diffraction Based on electron diffraction from Ni in the early experiments of Davisson and Germer (1925). LEED. Low energy electron beam (~10-1000 eV) impinges at near normal incidence. From Ohring, Fig. 7-25, p. 343. LEED.

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616 views • 58 slides
Chemical/Compositional Analysis

Chemical/Compositional Analysis

Chemical/Compositional Analysis. Incident electron undergoes inelastic scattering causing ejection of core (inner shell) electron Energy loss of incident electron, or energy of ejected electron or x-ray, is characteristic of the target element

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855 views • 53 slides
Professor Theodore Madey Case Study Discussant: Prabhas Moghe

Professor Theodore Madey Case Study Discussant: Prabhas Moghe

125: 583 Biointerfacial Characterization. Electron Spectroscopy for Chemical Analysis (ESCA). Professor Theodore Madey Case Study Discussant: Prabhas Moghe. Outline of Lecture. Introduction Principles of ESCA The photoelectron effect Instrumentation -- how measurements are made

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381 views • 24 slides
Introduction to Scanning Electron Microscopy @CMSE

Introduction to Scanning Electron Microscopy @CMSE

Introduction to Scanning Electron Microscopy @CMSE. What is an SEM? ____________________________________________________________. Scanning Electron Microscope is an instrument that investigates the surfaces of solid samples using a beam of electrons rather than light to form the image.

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935 views • 18 slides
Waveguide excitation fluorescence microscopy: A new tool for sensing and imaging the biointerface

Waveguide excitation fluorescence microscopy: A new tool for sensing and imaging the biointerface

Waveguide excitation fluorescence microscopy: A new tool for sensing and imaging the biointerface. H. M. Grandin, B. Stadler, M. Textor, J. Voros Biointerface Group, Lab. For Surface Science and Tech., Dept. of Materials, ETH-Z. Presented by: Ayca Yalcin. Outline. Introduction to WExFM

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379 views • 14 slides
University of Wisconsin-Madison

University of Wisconsin-Madison

University of Wisconsin-Madison Materials Research Science & Engineering Center on Nanostructured Interfaces. UW MRSEC DMR-0520527 Juan J. de Pablo, PI. IRG 1: Influence of Surface Chemical Modification on Charge Transport Properties in Ultrathin Silicon Membranes.

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145 views • 1 slides

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