Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Zainal Arifin Ahmad"'
Autor:
Shahanawaz Kamal, Mohd Fadzil Bin Ain, Ubaid Ullah, Abdullahi S. B. Mohammed, Roslina Hussin, Mohamad Faiz Bin Mohamed Omar, Fathul Najmi, Zainal Arifin Ahmad, Mohd Fariz Ab Rahman, Mohd Nazri Mahmud, Mohamadariff Othman, Julie Juliewatty Mohamed
Publikováno v:
Journal of Electromagnetic Engineering and Science. 22:459-471
The deployment of the millimeter (mmWave) frequency spectrum by fifth-generation (5G) device-to-device (D2D) wireless networks is anticipated to meet the growing demands for increased capacity. The antenna is regarded of as an important determinant t
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:18095-18107
The effects of both sintering temperature and soaking time on structural, dielectric and piezoelectric properties of CaCO3-doped lead lanthanum strontium zirconia titanate (PLSZT) system have been studied. CaCO3 was mixed with PLSZT according to stoi
Autor:
Zainal Arifin Ahmad, Mohd Fadzil Ain, Mohd Fariz Ab Rahman, Abdullahi S. B. Mohammed, Fathul Najmi, Mohamadariff Othman, Ubaid Ullah, Shahanawaz Kamal, Roslina Hussin
Publikováno v:
IETE Technical Review. 38:328-346
The revolutionary microstrip technology for wireless communication suffers from relatively large size and low radiation efficiency when modeled for the current challenging hardware. An efficient so...
Autor:
Irwana Nainggolan, Zainal Arifin Ahmad, Hasmaliza Mohamad, Muhammad Balyan, Tulus Ikhsan Nasution
Publikováno v:
Journal of Materials Science: Materials in Electronics. 30:16275-16286
A water vapor cell (WVC) made of chitosan-based film has been successfully generated electrical energy when directly interacted with water vapor. The chitosan concentration in film was varied from 0 to 4.5%. WVC was characterized using a climate cham
Publikováno v:
Journal of Materials Science: Materials in Electronics. 30:6806-6810
CaCu3Ti4O12–xWO3 (CCTO–xWO3) (x = 5, 10, 15, 20 wt%) ceramic composites were synthesized using conventional mixed oxide method. The effect of various amounts of WO3 loading on its microstructure, electrical and dielectric properties of CCTO ceram
Autor:
Zainal Arifin Ahmad, Wan Amirul Wan Mohd Mahiyiddin, Mohd Fadzil Ain, Yazeed Qasaymeh, Mohamadariff Othman, Wan Fahmin Faiz Wan Ali
Publikováno v:
Microwave and Optical Technology Letters. 61:337-342
Publikováno v:
Optical and Quantum Electronics. 52
Carbon black-TiO2 composite counter electrode was synthesized via solid state method and subsequently annealed at different annealing temperatures (450–550 °C). The composite was investigated as a counter electrode, acting as an alternative to pla
Publikováno v:
Optical Materials. 79:366-371
In this paper, counter electrodes based on carbon black (CB)-TiO2 composite are proposed as a cost-effective alternative to conventional Pt counter electrodes used in dye-sensitized solar cell (DSSC) applications. CB-TiO2 composite counter electrodes
Publikováno v:
Journal of Materials Science: Materials in Electronics. 29:5439-5445
The effects of cold isostatic press (CIP) compaction pressures (100–350 MPa) on the piezoelectric properties of K0.5Na0.5NbO3 (KNN) samples prepared as lead-free piezoelectric ceramic was investigated. The calcined powder of KNN samples were presse
Autor:
Mohd Fadzil Ain, Zainal Arifin Ahmad, Mohamadariff Othman, Wan Fahmin Faiz Wan Ali, I. A. Zubir
Publikováno v:
Microwave and Optical Technology Letters. 59:3036-3041
The intent of this study is to realize efficient wideband DRA using unbiased low permittivity yttrium ion garnet (YIG) with excess Fe2O3. The fabricated YIG resonators with the same dimension but different ɛr are used together to produce wideband st