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Individualisierte Infektionsmedizin

Gastroenterologie, Hepatologie und Endokrinologie, Medizinische Hochschule Hannover (MHH) , Hannover , Deutschland 4 Interessenkonflikt. J. Debarry , D. Heinz und M.P. Manns geben an, dass kein Interessenkonflikt

Determining factors of thermoelectric properties of semiconductor nanowires

It is widely accepted that low dimensionality of semiconductor heterostructures and nanostructures can significantly improve their thermoelectric efficiency. However, what is less well understood is the precise role of electronic and lattice transport coefficients in the improvement. We differentiate and analyze the electronic and lattice contributions to the enhancement by using...

Micro-spectroscopy on silicon wafers and solar cells

Micro-Raman (μRS) and micro-photoluminescence spectroscopy (μPLS) are demonstrated as valuable characterization techniques for fundamental research on silicon as well as for technological issues in the photovoltaic production. We measure the quantitative carrier recombination lifetime and the doping density with submicron resolution by μPLS and μRS. μPLS utilizes the carrier...