1. Institute for Energy Efficiency, University of CaliforniaSanta BarbaraUCSB 93106CAUSA
2. Materials Department, University of CaliforniaSanta BarbaraUCSB 93106CAUSA
3. Electrical and Computer Engineering, University of CaliforniaSanta BarbaraUCSB 93106CAUSA
4. Intel CorporationSanta ClaraIntel 95054CAUSA