Blar i NTNU Open på forfatter "Wefring, Espen Tjønneland"
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Lead-Free Ferroelectric Materials based on BiFeO3 and Bi0.5K0.5TiO3
Wefring, Espen Tjønneland (Doctoral thesis at NTNU;2015:180, Doctoral thesis, 2015)Blyfrie ferroelektriske materialer basert på BiFeO3 og Bi0.5K0.5TiO3 Ferroelektriske materialer finnes i dag i nesten all elektronikk, inkludert forbrukerelektronikk, som for eksempel blekk-printere, mobiltelefoner og ... -
Nanostructuring of Oxygen Permeable Membranes by Chemical Etching Techniques
Wefring, Espen Tjønneland (Master thesis, 2011)Mixed ionic electronic conducting ceramic oxides are being investigated for use as membranes for oxygen separation from air and as electrodes in solid oxide fuel cells [1, 2]. Oxygen surface exchange rate is an important ...