Browsing by Subject "Crystal impurities"
Now showing items 1-2 of 2
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Article
High-resolution quadrature photopyroelectric spectroscopy of a-Si:H thin films deposited on silicon wafers
(1995)The recently developed photothermal technique of quadrature photopyroelectric spectroscopy (Q-PPES) has been applied to measurements of amorphous Si thin films deposited on crystalline Si substrates. Direct, meaningful ...
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Article
The steam reforming of phenol over natural calcite materials
(2009)Five natural calcite materials of different geographical origin were studied towards the steam reforming of phenol reaction and the activity results obtained were correlated with some of their physico-chemical properties. ...