Ulrich Hoefer

A colorimetric CO sensor for fire detection

Jérôme Courbat, Danick Briand, Jürgen Wöllenstein, 2011 .

Contact and sheet resistance of SnO2 thin films from transmission-line model measurements

K. Steiner, Ulrich Hoefer, U. Hoefer, 1995 .

Gas sensor technologies for fire detection

Jürgen Wöllenstein, J. Wöllenstein, D. Gutmacher, 2012 .

High temperature Ga2O3-gas sensors and SnO2-gas sensors: a comparison

Joachim Frank, Maximilian Fleischer, M. Fleischer, 2001 .

Comparison of gas sensor technologies for fire gas detection

Jürgen Wöllenstein, W. Vollenweider, D. Gutmacher, 2011 .

Thin-film SnO2 sensor arrays controlled by variation of contact potential—a suitable tool for chemometric gas mixture analysis in the TLV range

Gerd Sulz, H. Böttner, G. Sulz, 1997 .

CO and CO2 thin-film SnO2 gas sensors on Si substrates

Gerd Sulz, Gerd Kühner, Ulrich Hoefer, 1994 .