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The shape of size‐controlled silicon nanocrystals (Si NCs) embedded in SiO2 is investigated by tomographic energy‐filtered transmission electron microscopy (EFTEM). The sphericity of the quantum dots is determined by computational analyses. In contrast to other fabrication methods, we demonstrate that the NCs in superlattices are non‐agglomerated, individual clusters with slightly oblate spheroidal...
Quite inconceivable for all his friends, colleagues and co‐workers Prof. Ulrich Gösele, Director of the Max Planck Institute of Microstructure Physics at Halle/Saale, died unexpectedly on November 8th 2009. We mourn for Ulrich Gösele as an outstanding scientist who was all the time full of new ideas. With 650 papers and a similar number of conference papers, more than 20.000 citations in 2009 and...
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