Microelectronics International: Volume 40 Issue 1

Fabrication of fluorine and silver co-doped ZnO photodetector using modified hydrothermal method

Aminu Muhammad, Sabah M. Mohammad, Zainuriah Hassan, Suvindraj Rajamanickam, Shireen Mohammed Abed, M.G.B. Ashiq

The purpose of this study is to dope silver (Ag) and fluorine (F) in zinc oxide (ZnO) for the enhancement of electrical and optical properties of ZnO, as previous studies reported…

Effects of indium composition on the surface morphological and optical properties of InGaN/GaN heterostructures

Nur Atiqah Hamzah, Mohd Ann Amirul Zulffiqal Md Sahar, Aik Kwan Tan, Mohd Anas Ahmad, Muhammad Fadhirul Izwan Abdul Malik, Chin Chyi Loo, Wei Sea Chang, Sha Shiong Ng

This study aims to investigate the effects of indium composition on surface morphology and optical properties of indium gallium nitride on gallium nitride (InGaN/GaN…

Polyimide substrate textured by copper-seeding technique for enhanced light absorption in flexible black silicon

Halo Dalshad Omar, Auwal Abdulkadir, Md. Roslan Hashim, Mohd Zamir Pakhuruddin

This paper aims to present investigation on textured polyimide (PI) substrate for enhanced light absorption in flexible black silicon (bSi).

Packaging design and thermal analysis for 1 mm2 high power VCSEL

Khairul Mohd Arshad, Muhamad Mat Noor, Asrulnizam Abd Manaf, Kawarada H., Falina S., Syamsul M.

Vertical-cavity surface-emitting laser (VCSEL) is a high-performance semiconductor device made of unique epitaxial layers grown on n-type GaAs or InP substrates. The VCSEL’s…

Fabrication of UV ZnO NRS photodetector based on seeded silicon substrate via the drop-casting technique

Shireen Mohammed Abed, Sabah M. Mohammad, Zainuriah Hassan, Aminu Muhammad, Suvindraj Rajamanickam

The purpose of this study is to fabricate an ultraviolet (UV) metal-semiconductor-metal (MSM) photodetector based on zinc oxide nanorods (ZnO NRs) grown on seeded silicon (Si…

Atomic structure for AlN grown on different plane orientation of sapphire via numerical study

Mazwan Mansor, Syamsul M., Yusnizam Yusuf, Mohd Nazri Abdul Rahman

This study aims to present a numerical study of atomic structure for aluminium nitride (AlN) when the crystal was assumed grown on different orientation of sapphire substrate. The…

A DFT+U study of structural, electronic and optical properties of Ag- and Cu-doped ZnO

N. Hamzah, M.H. Samat, N.A. Johari, A.F.A. Faizal, O.H. Hassan, A.M.M. Ali, R. Zakaria, N.H. Hussin, M.Z.A. Yahya, M.F.M. Taib

The purpose of this paper is to investigate the structural, electronic and optical properties of pure zinc oxide (ZnO) and transition metal (Tm)-doped ZnO using Tm elements from…

Optimization of 1-µm gate length InGaAs-InAlAs pHEMT

Naeemul Islam, Nur Syahadah Yusof, Mohamed Fauzi Packeer Mohamed, Syamsul M., Muhammad Firdaus Akbar Jalaludin Khan, Nor Azlin Ghazali, Mohd Hendra Hairi

The purpose of this study is to demonstrate a pseudomorphic High Electron Mobility Transistor (pHEMT) cutoff frequency (f_T) and maximum oscillation frequency (fmax) are determined…