Search Results - "Shuhaimi, Ahmad"

Enhancement of optical transmittance and electrical resistivity of post-annealed ITO thin films RF sputtered on Si by Ali, Ahmad Hadi, Hassan, Zainuriah, Shuhaimi, Ahmad

“…[Display omitted] •Crystalline ITO (2 2 2) after post-annealing at moderate temperature.•High optical transmittance (>90%) and low electrical resistivity…”
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Assessment of gingival thickness in multi‐ethnic subjects with different gingival pigmentation levels by Nik‐Azis, Nik‐Madihah, Razali, Masfueh, Goh, Victor, Ahmad Shuhaimi, Nurul Nadia, Mohd Nazrin, Nur Aqilah Syuhada

“…Aim Assessment of the thickness of gingival tissues using the probe visibility test is regarded as the method of choice during routine examinations. However,…”
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Synthesis and characterization of ZnO NPs/reduced graphene oxide nanocomposite prepared in gelatin medium as highly efficient photo-degradation of MB by Azarang, Majid, Shuhaimi, Ahmad, Yousefi, Ramin, Moradi Golsheikh, A., Sookhakian, M.

“…ZnO nanoparticles (NPs) were decorated on a graphene oxide (GO) sheet via the sol–gel method in a gelatin medium. Long-chain gelatin compounds were utilized to…”
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Magnesium doped semipolar (11–22) p-type gallium nitride: Impact of dopant concentration variants towards grain size distributions and crystalline quality by Al-Zuhairi, Omar, Anuar, Afiq, Makinudin, Abdullah Haaziq Ahmad, Bakar, Ahmad Shuhaimi Abu, Azlan, M.N., Supangat, Azzuliani

“…•A closely-packed terrace-like steps were realized by intermediate Cp2Mg flux.•Significantly reduced grain size was attained via optimized Cp2Mg flux of 30…”
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Impact of crystallinity towards the performance of semi-polar (11–22) GaN UV photodetector by Ahmad Makinudin, Abdullah Haaziq, Al-Zuhairi, Omar, Anuar, Afiq, Zainorin, Mohamed Zulhakim, Abu Bakar, Ahmad Shuhaimi, DenBaars, Steven, Supangat, Azzuliani

“…•Semi-polar (11–22) GaN epilayers are successfully synthesized via MOCVD.•Crystalline semi-polar (11–22) GaN has improved the performance of UV…”
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Effects of argon/nitrogen sputtering gas on the microstructural, crystallographic and piezoelectric properties of AlN thin films by Samad, Muhammad Izzuddin Abd, Noor, Mimiwaty Mohd, Nayan, Nafarizal, Bakar, Ahmad Shuhaimi Abu, Mansor, Marwan, Zuhdi, Ahmad Wafi Mahmood, Hamzah, Azrul Azlan, Latif, Rhonira

“…•Deposit AlN ‹002› thin film on Mo/Si substrate using AlN ceramic target without substrate heating.•The purity of nitrogen gas dominates the physical quality…”
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Impact of sandwiched strain periodic multilayer AlN/GaN on strain and crystalline quality of a-plane GaN by Kamarundzaman, Anas, Abu Bakar, Ahmad Shuhaimi, Azman, Adreen, Omar, Al-Zuhairi, Talik, Noor Azrina, Supangat, Azzuliani, Abd Majid, Wan Haliza

“…We demonstrated high-quality single crystalline a -plane undoped-gallium nitride grown on a nonpatterned r -plane sapphire substrate via metal–organic chemical…”
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High Thermal Gradient in Thermo-electrochemical Cells by Insertion of a Poly(Vinylidene Fluoride) Membrane by Hasan, Syed Waqar, Said, Suhana Mohd, Sabri, Mohd Faizul Mohd, Bakar, Ahmad Shuhaimi Abu, Hashim, Nur Awanis, Hasnan, Megat Muhammad Ikhsan Megat, Pringle, Jennifer M., MacFarlane, Douglas R.

“…Thermo-Electrochemical cells (Thermocells/TECs) transform thermal energy into electricity by means of electrochemical potential disequilibrium between…”
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Enhancement of gallium nitride on silicon (111) using pulse atomic-layer epitaxy (PALE) AlN with composition-graded AlGaN buffer by Mansor, Marwan, Norhaniza, Rizuan, Shuhaimi, Ahmad, Hisyam, Muhammad Iznul, Omar, Al-Zuhairi, Williams, Adam, Mat Hussin, Mohd Rofei

“…The ability to configure the optimal buffer layer for GaN growth depends on the knowledge of relaxation processes that occurs during the cooling step while…”
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Effect of nitridation surface treatment on silicon (111) substrate for the growth of high quality single-crystalline GaN hetero-epitaxy layer by MOCVD by Rahman, Mohd Nazri Abd, Yusuf, Yusnizam, Mansor, Mazwan, Shuhaimi, Ahmad

“…•High quality single-crystalline GaN epilayer was grown on Si(111) substrates by MOCVD.•A smooth surface of GaN epilayer has successfully grown on Si(111)…”
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Author Correction: Impact of sandwiched strain periodic multilayer AlN/GaN on strain and crystalline quality of a-plane GaN by Kamarundzaman, Anas, Abu Bakar, Ahmad Shuhaimi, Azman, Adreen, Omar, Al‑Zuhairi, Talik, Noor Azrina, Supangat, Azzuliani, Abd Majid, Wan Haliza

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Impact of a Strained Periodic Multilayer on the Surface and Crystal Quality of a Semipolar (11–22) GaN Template by Ahmad Makinudin, Abdullah Haaziq, Omar, Al-Zuhairi, Anuar, Afiq, Bakar, Ahmad Shuhaimi Abu, DenBaars, Steven P, Supangat, Azzuliani

“…Efficient reduction of defects and dislocations in a semipolar (11–22) GaN epilayer with the use of an AlN/GaN strained periodic multilayer is demonstrated…”
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Positioning of periodic AlN/GaN multilayers: Effect on crystalline quality of a-plane GaN by Kamarudzaman, Anas, Abu Bakar, Ahmad Shuhaimi Bin, Azman, Adreen, Omar, Al-Zuhairi, Supangat, Azzuliani, Talik, Noor Azrina

“…We report the effect of 40 pairs of periodic AlN/GaN multilayers on the a-plane undoped-gallium nitride (ud-GaN) grown on r-plane flat sapphire substrate via…”
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Optimization of poly(vinylidene fluoride) membranes for enhanced power density of thermally driven electrochemical cells by Hasan, Syed Waqar, Said, Suhana Mohd, Bakar, Ahmad Shuhaimi Bin Abu, Sabri, Mohd Faizul Mohd, Sajid, Imran Haider, Hashim, Nur Awanis

“…The thermally driven electrochemical cells (TECs) convert the applied temperature gradient (Δ T ) across electrodes, in redox-based electrolytes, into…”
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Asmaul Husna Web-Based System: Acquainting the 99 Names of Allah by Rosmani, Arifah Fasha, Ahmad Shuhaimi, Nurul Amanni

“…Web-based systems have had a significant impact on computer and communication technology advancement. Websites are still prevalent in a variety of practices…”
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Study of AlN Epitaxial Growth on Si (111) Substrate Using Pulsed Metal–Organic Chemical Vapour Deposition by Hisyam, Muhammad Iznul, Shuhaimi, Ahmad, Norhaniza, Rizuan, Mansor, Marwan, Williams, Adam, Mat Hussin, Mohd Rofei

“…A dense and smooth aluminium nitride thin film grown on a silicon (111) substrates using pulsed metal–organic chemical vapor deposition is presented. The…”
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Diminishing the Induced Strain and Oxygen Incorporation on Aluminium Nitride Films Deposited Using Pulsed Atomic-Layer Epitaxy Techniques at Standard Pressure MOCVD by Abd Rahman, Mohd Nazri, Shuhaimi, Ahmad, Abdul Khudus, Muhammad I. M., Anuar, Afiq, Zainorin, Mohamed Zulhakim, Talik, Noor Azrina, Chanlek, Narong, Abd Majid, Wan Haliza

“…A pulsed atomic-layer epitaxy growth technique has been introduced to substantially diminish the induced strain and oxygen incorporation on aluminium nitride…”
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Improved optoelectronics properties of ITO-based transparent conductive electrodes with the insertion of Ag/Ni under-layer by Ali, Ahmad Hadi, Abu Bakar, Ahmad Shuhaimi, Hassan, Zainuriah

“…•Crystalline ITO (222) and Ag (111) after post-annealing at moderate temperature.•High optical transmittance ∼83% and low electrical resistivity…”
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Influence of argon/nitrogen sputtering gas and molybdenum/titanium seed layer on aluminium nitride ⟨100⟩ thin film growth using ceramic target by Samad, Muhammad Izzuddin Abd, Badrudin, Syazwani Izrah, Ponnuthurai, Darven Raj, Mansor, Marwan, Nayan, Nafarizal, Abu Bakar, Ahmad Shuhaimi, Latif, Rhonira

“…Aluminium nitride (AlN) can be sputter-deposited onto a substrate to form polycrystalline or single crystal AlN thin film layer. Highly crystalline AlN in…”
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Thermally Resistive Electrospun Composite Membranes for Low‐Grade Thermal Energy Harvesting by Hasan, Syed Waqar, Said, Suhana Mohd, Sabri, Mohd. Faizul Mohd, Jaffery, Hasan Abbass, Bakar, Ahmad Shuhaimi Bin Abu

“…In this work, thermally insulating composite mats of poly(vinylidene fluoride) (PVDF) and polyacrylonitrile (PAN) blends are used as the separator membranes…”
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