röntgenspektroskopien 3 edx l.e.murr. electron and ion micro- scopy and microanalysis

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Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion scopy and Microanalysis

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Page 1: Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion Micro- scopy and Microanalysis

Röntgenspektroskopien 3

EDX

L.E.Murr. Electron and Ion Micro-

scopy and Microanalysis

Page 2: Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion Micro- scopy and Microanalysis

Kathodolumineszenz 1

Grundprinzip

Page 3: Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion Micro- scopy and Microanalysis

Kathodolumineszenz 2

Anwendung: vulkanisches Quarzmineral

http://uts.cc.utexas.edu/~rmr/CLweb/CLimages/R8239-01.jpg

Page 4: Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion Micro- scopy and Microanalysis

Kathodolumineszenz 3

Anwendung: Polytypen in Zn1-xMgxSe

2.97 eV (8H) 2.99 eV (4H) SE U. Falke, A. Cichos, F. Firszt, H. Meczynska, P. Dluzewski, W. Paszkowicz, J. Lenzner,

M.Hietschold. J. Cryst. Growth 184/185 (1998) 1015-1020

Page 5: Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion Micro- scopy and Microanalysis

http://en.wikipedia.org/wiki/Cathodoluminescence_microscope

Kathodolumineszenz 4

Optisches CL-Mikroskop

Page 6: Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion Micro- scopy and Microanalysis

Auger-Elektronen-Spektroskopie 1

Auger-Effekt

J.M.Walls. Methods of surface analysishttp://www.cea.com/training/tutorials/aes_theory_tutorial/electron.php

Page 7: Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion Micro- scopy and Microanalysis

http://www.physik.uni-rostock.de/cluster/lehre/of_physik/XPS%20Auger.pdf

Auger-Elektronen-Spektroskopie 2

Auger-Effekt

Page 8: Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion Micro- scopy and Microanalysis

Auger-Elektronen-Spektroskopie 3

Anwendungen

J.M.Walls. Methods of surface analysis

Page 9: Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion Micro- scopy and Microanalysis

Auger-Elektronen-Spektroskopie 4

Anwendungen - SAM

J.M.Walls. Methods of surface analysis

Page 10: Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion Micro- scopy and Microanalysis

M.Hietschold. Einführung in die Raster-Sonden-Mikroskopie-Verfahren (in Vorb.)

Raster-Tunnel-Spektroskopie 1

Grundprinzip

Page 11: Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion Micro- scopy and Microanalysis

II I

U U U

N N N

E E E

Metal Semiconductor Superconductor

STS

DOS

Raster-Tunnel-Spektroskopie 2

Strom-Spannungs-Kennlinien

Page 12: Röntgenspektroskopien 3 EDX L.E.Murr. Electron and Ion Micro- scopy and Microanalysis

Raster-Tunnel-Spektroskopie 3

Atomic Selective Imaging: GaAs (110)

R.Wiesendanger, H.-J.Güntherodt. Scanning Tunneling Microscopy I