Yazar "Yamani, Zain" için listeleme
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Dynamic transition of nanosilicon from indirect to direct-like nature by strain-induced structural relaxation
Mantey, Kevin; Morgan, Huw; Boparai, Jack; Yamani, Zain; Bahçeci, Ersin; Nayfeh, Munir Hasan (AIP Advances, 2021)Silicon nanoclusters exhibit light emission with direct-like ns-mu s time dynamics; however, they show variable synthesis and structure, optical, and electronic characteristics. The widely adopted model is a core-shell in ... -
Experimental and theoretical study of ultraviolet-induced structural/optical instability in nano silicon-based luminescence
Malloy, James; Mantey, Kevin; Maximenko, Yulia; Bahçeci, Ersin; Morgan, Huw; Yamani, Zain; Boparai, Jack; Puthalath, Krithik; Nayfeh, Munir Hasan (American Institute of Physics Inc., 2018)Nano silicon is emerging as an active element for UV applications due to quantum confinement-induced widening of the Si bandgap, amenability to integration on Si, and less sensitivity to temperature. NanoSi-based UV ... -
Iron oxide-Si nanoparticle magnetic core-shell induced by the interaction of d-orbitals of Fe2+ with reconstructed Si dimer-like defects
Elhalawany, Noha; Mantey, Kevin; Hoang, Tuan; Bahçeci, Ersin; Xu, Jiacheng; Ateş, Hakan; Gorin, Dmitry; Yamani, Zain; Nayfeh, Munir H. (American Institute of Physics Inc., 2020)Redox-type charge exchange between Si nanoparticles and aqueous metal ions m(x+) was recently used to synthesize core-shell nanocomposites in which their functionalities have been integrated. The process requires the ... -
Wideband luminescence from bandgap-matched Mg-based Si core-shell geometry nanocomposite
Kocyiğit, Adem; Elhalawany, Noha; Bahçeci, Ersin; Enders, Brian; Puthalath, Krithik; Abuhassan, Laila; Yamani, Zain; Nayfeh, Munir (American Institute of Physics Inc., 2018)We use wet treatment to integrate red-luminescent Si nanoparticles with Mg-based wide-bandgap insulators Mg(OH) and MgO (5.7 and 7.3 eV respectively). In the process, Mg2+ is reduced on Si nanoparticle clusters, while ...
