Browsing Articole din publicaţii internaţionale by Subject "optical quenching"

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Fabrication of photonic crystal circuits based on GaN ultrathin membranes by maskless lithography

VOLCIUC, Olesea; BRANISTE, Tudor; SERGENTU, Vladimir; URSAKI, Veaceslav; TIGINYANU, Ion M.; GUTOWSKI, Jürgen (Society of Photo-Optical Instrumentation Engineers, SPIE, 2015)

We report on maskless fabrication of photonic crystal (PhC) circuits based on ultrathin (d~15 nm) nanoperforated GaN membranes exhibiting a triangular lattice arrangement of holes with diameters of 150 nm. Ultrathin GaN ...
Yellow Luminescence and Optical Quenching of Photoconductivity in Ultrathin Suspended GaN Membranes Produced by Surface Charge Lithography

POPA, V.; BRANISTE, T.; STEVENS-KALCEFF, M. A.; GERTHSEN, D.; BRENNER, P.; POSTOLACHE, V.; URSAKI, V.; TIGINYANU, I. M. (American Scientific Publishers, 2013)

Spatial and spectral distribution of cathodoluminescence as well as photoelectrical properties under excitation with two beams of monochromatic radiation of various wavelengths are investigated in ultrathin suspended GaN ...

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