Now showing items 1-3 of 3

    • High-speed solar-blind AlGaN-based metal-semiconductor-metal photodetectors 

      Bıyıklı, Necmi; Kimukin, İbrahim; Kartaloğlu, Tolga; Aytür, Orhan; Özbay, Ekmel (Wiley, 2003)
      Solar-blind AlGaN metal-semiconductor-metal (MSM) photodetectors with fast pulse response have been demonstrated. The devices were fabricated on MOCVD-grown epitaxial Al0.38Ga0.62N layers, using a microwave compatible ...
    • Low-voltage small-size double-arm MEMS actuator 

      Bıyıklı, Necmi; Damgaci, Y.; Cetiner, B.A. (2009)
      The fabrication and characterisation of a double-arm cantilever-type metallic DC-contact MEMS actuator with low pull-down voltage are reported. Bi-layer TiW cantilevers with an internal stress gradient were fabricated using ...
    • Triangular metallic gratings for large absorption enhancement in thin film Si solar cells 

      Battal, E.; Yogurt, T.A.; Aygun L.E.; Okyay, Ali Kemal (Optical Society of American (OSA), 2012)
      We estimate high optical absorption in silicon thin film photovoltaic devices using triangular corrugations on the back metallic contact. We computationally show 21.9% overall absorptivity in a 100-nmthick silicon layer, ...