Mikrajuddin Abdullah

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In this paper, we have developed a model of the tunneling current through a highdielectric stack in MOS capacitors with anisotropic masses. The transmittance was numerically calculated by employing a transfer matrix method and including longitudinal-transverse kinetic energy coupling which is represented by an electron phase velocity in the gate. The(More)
A four point probe-based resistivity meter using LOG112 and C8051F006 SoCs has been developed. The resistivity meter was calibrated and examined. Current-voltage characteristic-based resistances of resistors are consistent with those labeled to the resistors. Resistivities of the resistors are independent of the injected current, which agree with theory.(More)
Indium tin oxide (ITO) nanofibers were successfully prepared via an electrospinning method, followed by annealing at 400 °C. Mixed solutions of ITO nanoparticle sol and polyethylene oxide (PEO) were used as precursors of the nanofibers. The PEO decomposed during annealing to yield ITO fibers. The fibers were characterized by scanning electron microscopy(More)
An electron direct tunneling current model of n+− poly−Si/SiO2/p−Si(100) metal-oxide-semiconductor (MOS) capacitors has been developed by considering a parallel-perpendicular kinetic energy coupling, which is represented by the gate electron phase velocity, and anisotropic masses under a parabolic E-k dispersion relationship. The electron effective mass in(More)
Based on a C8051F006 SoC (system on-a-chip), a simple and low cost quasi-static capacitancevoltage (C-V) meter was designed and developed to obtain C-V characteristics of semiconductor devices. The developed C-V meter consists of a capacitance meter, a programmable voltage source, a C8051F006 SoC-based slave controller, and a personal computer (PC) as a(More)
A simple and low cost quasi-static capacitance-voltage (C-V) meter was designed and developed to obtain C-V characteristics of semiconductor devices based on a C8051F006 SoC (system on-a-chip). The developed C-V meter consists of a capacitance meter based on feedback charge amplifier, a programmable voltage source, a C8051F006 SoC-based slave controller,(More)
A water level measurement system employing a commercial submersible pressure transducer was developed. The submersible pressure transducer consists of a piezoresistive sensor configured in a Wheatstone bridge, a signal conditioner, and a 4–20 mA transmitter. The measurement system is also equipped with a 4–20 mA receiver for long wire(More)
A simple and inexpensive capacitance-voltage (C-V) meter based on C8051F006 SoC has been developed for characterizing electronic components. It can be a tool in laboratory to strengthen concepts delivered in lectures and also make students familiar with the characteristic equation of electronics components. The instrumentation design of C-V meter consist of(More)
A PIC 16F877 microcontroller-based temperature control system, which is composed of a thermal plant and a controller, has been built for assisting undergraduate students in learning control system. The plant was made from a plastic box covering a dc lamp and a dc fan as well as a temperature sensor. The controller was designed to do a proportional control(More)