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The Role of Alternating Current in Photo-Assisted Electrochemical Porosification of GaN

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dc.contributor.author MAHMOOD, Ainorkhilah
dc.contributor.author AHMED, Naser M.
dc.contributor.author TIGINYANU, Ion
dc.contributor.author YUSOF, Yushamdan
dc.contributor.author KWONG, Yam Fong
dc.contributor.author SIANG, Chuah Lee
dc.contributor.author HASSAN, Zainuriah
dc.date.accessioned 2019-10-07T12:56:13Z
dc.date.available 2019-10-07T12:56:13Z
dc.date.issued 2013
dc.identifier.citation MAHMOOD, Ainorkhilah, AHMED, Naser M., TIGINYANU, Ion et al. The Role of Alternating Current in Photo-Assisted Electrochemical Porosification of GaN. In: ICNBME-2013. International Conference on Nanotechnologies and Biomedical Engineering. German-Moldovan Workshop on Novel Nanomaterials for Electronic, Photonic and Biomedical Applications: proc. of the 2th intern. conf., April 18-20, 2013. Chişinău, 2013, pp. 383-384. ISBN 978-9975-62-343-8. en_US
dc.identifier.isbn 978-9975-62-343-8
dc.identifier.uri http://repository.utm.md/handle/5014/4634
dc.description.abstract In this paper, we report the formation of porous GaN films under a novel alternating current (sine-wave a.c. (50 Hz)) photo-assisted electrochemical (ACPEC) etching conditions. The ACPEC formed porous GaN with excellent structural and surface morphology. Field emission scanning electron microscope (FESEM), atomic force microscopy (AFM) and high resolution X-ray diffraction (HR-XRD) phi-scan and rocking curves measurements evidenced important features of the pore morphology and nanostructures. According to the FESEM micrographs, the spatial nanoarchitecture of the porous structures exhibits pores with perfect hexagonal shape. The AFM measurements revealed an increase in the surface roughness induced by porosification. X-ray diffraction phi-scan showed that porous GaN sample maintained the epitaxial features. en_US
dc.language.iso en en_US
dc.publisher Technical University of Moldova en_US
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject photo-assisted electrochemical porosification en_US
dc.subject electrochemical etching en_US
dc.subject porous films en_US
dc.subject porozificare electrochimică en_US
dc.subject gravură electrochimică en_US
dc.subject pelicule poroase en_US
dc.title The Role of Alternating Current in Photo-Assisted Electrochemical Porosification of GaN en_US
dc.type Article en_US


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