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           COLLOQUIUM OF THE COMPUTATIONAL MATERIALS SCIENCE CENTER
                             College of Science
                      (CDS Department CSI 898-Sec 001)
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                    SEMPA Investigations of Nanomagnetism

                              John Unguris
                   Center for Nanoscale Science and Technology
         National Institute of Standards and Technology, Gaithersburg MD
 
New nanoscale phenomena are being harnessed to produce novel magnetic
materials and devices of exceptional value to industry, healthcare, and
defense.  To accelerate that process, we have developed a new type of electron
microscopy, Scanning Electron Microscopy with Polarization Analysis (SEMPA),
to provide a high resolution image of a sample's magnetization. SEMPA
provides a quantitative picture of magnetic structure with 10 nm resolution
and atomic monolayer sensitivity. These measurements reveal how nanostructures
affect magneto-electronic device properties, and they provide a critical test
of micromagnetics models.
                        
                          September 18, 4:30 pm
                   Room 301, Research I, Fairfax Campus

Refreshments will be served at 4:15 PM.
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Find the schedule at http://www.cmasc.gmu.edu/seminar/schedule.html
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