Browsing by Subject "gallium nitride membranes"

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  • Fabrication of ultrathin GaN membranes with relatively large sizes for practical applications 
    CIOBANU, Vladimir; BRANISTE, Tudor; POPA, Veaceslav; GRIDENCO, Oleg; BATIRI, Mihail; TIGINYANU, Ion (Technical University of Moldova, 2015)
    We propose for the implementation a cost effective technological route allowing one to fabricate ultrathin GaN membranes for sensor applications. The main efforts are focused on the design and development of active parts ...
  • GaN Ultrathin Membrane for SERS Detection of Rhodamine B 
    CIOBANU, Vladimir; PLESCO, I.; BRANISTE, T.; CECCONE, G.; COLPO, P.; TIGINYANU, I. (Springer, Cham, 2022)
    In this paper we demonstrate the fabrication of a SERS detector based on GaN ultrathin membrane. The GaN membranes are elaborated by the so-called Surface Charge Lithography approach. The obtained membranes are functionalized ...
  • Optoelectronic properties of gallium nitride thin membranes 
    BRANISTE, Tudor; POPA, Veaceslav; VOLCIUC, Olesea; TIGINYANU, Ion (Romanian Academy, 2015)
    We present the results of a systematic study of persistent photoconductivity (PPC) generated by UV-excitation in thin membranes based on crystalline GaN. The PPC was found to be optically quenched under extrinsic excitation ...

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