[Ifeffit] Lost second shell

Carlo Segre segre at iit.edu
Wed Feb 4 21:05:39 CST 2009

Yes, we have seen this in samples where presumably Mn was doped into ZnO 
nanoparticles.  it turns out that the Mn was on the surface and bound to 
the surfactants used to cap the nanoparticles.  In our undulator beam, the 
Mn spectrum changes from one scan to another and this clued us into the 
fact that Mn was on the surface.


On Thu, 5 Feb 2009, Eugenio Otal wrote:

> Dear Carlo,
> with changes in function of time, you mean that repetitions of the spectra
> in the same sample are different from the firs to the last?
> What does this indicates?
> Thanks for you help, euG

Carlo U. Segre -- Professor of Physics
Associate Dean for Special Projects, Graduate College
Illinois Institute of Technology
Voice: 312.567.3498            Fax: 312.567.3494
segre at iit.edu   http://www.iit.edu/~segre   segre at debian.org

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