Search Results - "YAM, F. K"

New Insights on the Burstein-Moss Shift and Band Gap Narrowing in Indium-Doped Zinc Oxide Thin Films by Saw, K G, Aznan, N M, Yam, F K, Ng, S S, Pung, S Y

“…The Burstein-Moss shift and band gap narrowing of sputtered indium-doped zinc oxide (IZO) thin films are investigated as a function of carrier concentrations…”
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Some Distinct Attributes of ZnO Nanorods Arrays: Effects of Varying Hydrothermal Growth Time by Almamari, Mohammed Rashid, Ahmed, Naser M, Holi, Araa Mebdir, Yam, F. K, Kyaw, Htet Htet, Almessiere, M. A, Al-Abri, Mohammed Z

“…This study investigates the growth time effect on the structural, morphological, optical, and photoelectrochemical characteristics of highly oriented ZnO…”
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Photocatalytic degradation of methylene blue under visible light by dye sensitized titania by Samuel, Joshua J, Yam, F K

“…The use of textile dyes remain relevant in the issue of water pollution. With the potential harm it may possess on the local flora and fauna, various methods…”
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High performance room temperature GaN-nanowires hydrogen gas sensor fabricated by chemical vapor deposition (CVD) technique by Abdullah, Q.N., Yam, F.K., Hassan, J.J., Chin, C.W., Hassan, Z., Bououdina, M.

“…Large-scale synthesis of GaN nanowires was grown on c-sapphire substrate by chemical vapor deposition technique. X-ray diffraction, field emission scanning…”
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Enhancing Methyl Orange Degradation with Laser-Generated ZnO and Ce-Doped ZnO Nanoparticles by Ajil, Awras H, Ahmed, Naser M, Yam, F. K, Zango, Zakariyya Uba, Wadi, Ismael A, M. Binzowaimil, Ayed, Aldaghri, Osamah, Ibnaouf, Khalid H, Cabrera, Humberto

“…The presence of Methyl Orange, a hazardous organic compound typically found in industrial wastewater, presents a significant environmental challenge,…”
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Schottky diode based on porous GaN for hydrogen gas sensing application by Yam, F.K., Hassan, Z.

“…This article reports the study of Pd Schottky contact on porous n-GaN for hydrogen gas sensing. Upon exposure to 2% H 2 in N 2, porous GaN sensor exhibited…”
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Sensing devices based on ZnO hexagonal tube-like nanostructures grown on p-GaN heterojunction by wet thermal evaporation by Abdulgafour, H.I., Hassan, Z., Yam, F.K., Chin, C.W.

“…High-quality ZnO hexagonal tube-like nanostructures grown on p-type GaN heterojunction have been synthesized for sensing applications through a low-cost…”
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Nanoporous InGaN prepared by KOH electrochemical etching with different light sources by Radzali, R., Hassan, Z., Zainal, N., Yam, F.K.

“…[Display omitted] •Porous InGaN samples were fabricated with different type of illuminations.•Properties of the porous InGaN samples improved as compared to…”
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Enhancing photoresponse time of low cost Pd/ZnO nanorods prepared by thermal evaporation techniques for UV detection by Abdulgafour, H.I., Hassan, Z., Yam, F.K., AL-Heuseen, K., Yusof, Y.

“…► High quality undoped ZnO nanorods have been synthesized at 850 °C by vapor–solid (VS) technique without a catalyst through a low cost process on silicon…”
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Synthesis of two-dimensional gallium nitride via spin coating method: influences of nitridation temperatures by Fong, C. Y., Ng, S. S., Yam, F. K., Abu Hassan, H., Hassan, Z.

“…This paper reports the synthesis and characterization of gallium nitride (GaN) thin films deposited on p-type silicon (100) substrates by using low cost spin…”
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ZnO nanocoral reef grown on porous silicon substrates without catalyst by Abdulgafour, H.I., F.K.Yam, Hassan, Z., AL-Heuseen, K., Jawad, M.J.

“…► Porous silicon (PS) technology is utilized to grow coral reef-like ZnO nanostructures on the surface of Si substrates. ► Flower-like aligned ZnO nanorods are…”
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Nanoporous InGaN of high In composition prepared by KOH electrochemical etching by Radzali, R., Zainal, N., Yam, F.K., Hassan, Z.

“…The fabrication of porous InGaN of high In composition ~47% using UV-assisted electrochemical etching in a diluted solution of KOH is demonstrated for the…”
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Room-temperature synthesis of nanocrystalline titanium dioxide via electrochemical anodization by Cheong, Y.L., Yam, F.K., Ooi, Y.W., Hassan, Z.

“…This paper presents a study of the growth of nanoporous anatase and rutile phases of titanium dioxide (TiO2) subjected to electrochemical anodization at room…”
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The influence of growth temperatures on the characteristics of GaN nanowires by Low, L.L., Yam, F.K., Beh, K.P., Hassan, Z.

“…► Synthesis of GaN nanowires at various growth temperatures, i.e. 750 °C, 850 °C, 900 °C, 950 °C, and 1000 °C. ► Study the effect of growth temperatures on the…”
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Growth of zinc oxide nanoflowers by thermal evaporation method by ABDULGAFOUR, H. I, HASSAN, Z, AL-HARDAN, N, YAM, F. K

“…An alternative method for site-selective growth of ZnO nanostructures that does not use an Au catalyst or a ZnO thin-film seed layer is presented. Well-aligned…”
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Effects of nitridation durations on the synthesis of wurtzite GaN thin films by spin coating method by Fong, C. Y., Ng, S. S., Yam, F. K., Abu Hassan, H., Hassan, Z.

“…In this paper, the effects of nitridation durations on the structural, surface morphologies and lattice vibrational properties of gallium nitride (GaN) thin…”
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Amplified optical response of Dy3+-activated lithium-strontium-zinc-borate glasses: Role of Ag nanoparticles concentration changes by Ahmad, A.U., Yam, F. K, Hashim, S., Ghoshal, S.K., Abdullahi, I.

“…•AgNPs were successfully introduced into the glass system.•AgNPs amplified the radiative emission of the glasses.•AgNPs improved the colourimetric…”
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The effects of morphological changes on the vibrational properties of self-organized TiO2 nanotubes by YAM, F. K, BEH, K. P, NG, S. W, HASSAN, Z

“…This paper reports the synthesis of TiO2 nanotubes by anodic process. The effects of different electrolyte concentrations on the morphological, structural and…”
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Synthesis of wurtzite GaN thin film via spin coating method by Fong, C.Y., Ng, S.S., Yam, F.K., Hassan, H. Abu, Hassan, Z.

“…In this research, hexagonal wurtzite structure gallium nitride (GaN) thin film was grown on silicon (Si) substrate by using spin coating deposition method…”
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The influence of Ga source and substrate position on the growth of low dimensional GaN wires by chemical vapour deposition by Low, L.L., Yam, F.K., Beh, K.P., Hassan, Z.

“…► Synthesis of GaN low dimensional materials (micro- and nanowires) via Ni catalyzed chemical vapour deposition under different conditions. ► To investigate…”
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