[1] Yildiz Tech Univ, Dept Elect Engn, TR-34349 Istanbul, Turkey
[2] Gebze Inst Technol, Dept Mat Sci & Engn, TR-41400 Kocaeli, Turkey
[3] Forschungszentrum Julich GmbH, Inst Werkstoffe & Verfahren Energietech, IWV3, D-52425 Julich, Germany
[4] TUBITAK, Marmara Res Ctr, Kocaeli, Turkey