Layer on top of the sample which prevents the HRTEM

Posted by kamal P M on May 21, 2011 at 7:35am

I had a nanocrystalline powder sample . when i work with the TEM on my sample it forms a layer on top of the sample which is on a copper grid .Which prevents the me to analyse the HRTEM of the sample. I will attach my samaple TEM images can anyone solve this problem?

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SEM and TEM in NanoScience

Layer on top of the sample which prevents the HRTEM

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