Photothermal study of doped ZnO ceramics by Zakaria, Azmi, Rizwan, Zahid, Hashim, Mansor, Shaari, Abdul Halim, Mat Yunus, Wan Mahmood

“…Eg becomes constant with the fluctuation about 1.8 % at all doping levels of Er2O3 mol% indicating that the interfacial states are not produced further in MnO-ZnO ceramics by Er2O3 mol%. The decrease in steepness factor is related to sintering temperature and Er2O3 mol%. …”
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Structural and optical properties of erbium-doped willemite-based glass-ceramics by Sarrigani, G. V., Matori, Khamirul Amin, Lim, Way Foong, Kharazmi, Alireza, Hock, Jin Quah, Bahari, Hamid Reza, Hashim, Mansor

“…Willemite-based glass-ceramic was prepared from waste material using a conventional melt and quenching method. …”
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Photopyroelectric spectroscopy of Sb2O3 - ZnO ceramics by Zakaria, Azmi, Rizwan, Zahid, Hashim, Mansor, Shaari, Abdul Halim, Mat Yunus, Wan Mahmood

“…Photopyroelectric spectroscopy is used to study the band-gap energy of the ceramic (ZnO + xSb2O3), x = 0.1 - 1.5 mol% and the ceramic (ZnO + 0.4 mol%  Bi2O3 + xSb2O3), x = 0 - 1.5 mol% sintered at isothermal temperature, 1280 °C, for 1 and 2 hours. …”
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Dielectric properties of barium strontium titanate ceramics at 20 Hz to 1 MHz. by Hassan , Jumiah, Hashim, Mansor, Wong, Swee Yin, Lai, Yoke Ping

Thermal diffusivity of kaolinite–mullite ceramic matrix composite with silicon nitride nanoparticle filler by See, Alex, Hassan, Jumiah, Hashim, Mansor, Abdul Wahab, Zaidan

“…Thermal diffusivity of mullite fused ceramics was determined from room temperature up to 500 °C at intervals of 100 °C. …”

Effects of different sintering temperatures on thermal, physical, and morphological of SiO2-Na2O-CaO-P2O5 based glass-ceramic system from vitreous and ceramic wastes by Baharuddin Pallan, Nur Fadilah, Matori, Khamirul Amin, Hashim, Mansor, Azis, Raba'ah Syahidah, Zainuddin, Norhazlin, Baharuddin Pallan, Nor Faizah, Mohd Idris, Fadzidah, Ibrahim, Idza Riati, Loy, Chee Wah, Rusly, Siti Nor Ain, Adnin, Noorfauzana, Ahmad Khiri, Mohammad Zulhasif, Alassan, Zarifah Nadakkavil, Mohamed, Nurzilla, Mohd Zaid, Mohd Hafiz

“…This research involved comprehensive studies on thermal, physical, and morphological properties of SiO2-Na2O-CaO-P2O5 (SNCP) glass-ceramic at various sintering temperatures. The study in SNCP glass-ceramic using soda-lime-silica (SLS) wastes glass and clam shell (CS) wastes as the main raw of materials via conventional melt-quenching technique and solid state sintering are interesting and challenging by considering the research using waste materials to fabricate novel SNCP glass-ceramic. …”
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Application of direct current and temperature stresses of low-voltage ZnO based varistor ceramics by Mohd Ghazali, Mohd Sabri, Zakaria, Azmi, Rizwan, Zahid, Mohamed Kamari, Halimah, Hashim, Mansor, Abd. Aziz, Sidek

“…The current-voltage characteristics of the varistor ceramics were evaluated. Results: The α of ceramic was observed to be decreased with increasing sintering temperature. …”
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Determination of the energy band-gap of the ceramic ZnO -xTiO₂ using photopyroelectric spectroscopy by Zakaria, Azmi, Rizwan, Zahid, Mohd Ghazali, Mohd Sabri, Shaari, Abdul Halim, Mat Yunus, Wan Mahmood, Hashim, Mansor

“…Photopyroelectric (PPE) spectroscopy is a useful tool for examining optical properties in semiconductor materials. The ceramic (ZnO - xTiO₂) was sintered at 1270⁰C for 1 and 3 hours to investigate the variations of energy band-gap with respect to mol % of dopant TiO₂. …”
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Microstructural and nonlinear electrical properties of ZnO ceramics with small amount of MnO2 dopant by Adnin, Noorfauzana, Zakaria, Azmi, Mohd Ghazali, Mohd Sabri, Wan Abdullah, Wan Rafizah, Hashim, Mansor

“…A small amount of MnO2 dopant was added to ZnO system to see the improvement of the ceramic varistor microstructural and nonlinear electrical properties. …”
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Effect of sintering temperature on the microstructure and microwave dielectric properties of strontium titanate (SrTiO3) ceramics. by Hassan, Jumiah, Hashim, Mansor, Wan Yusoff, Wan Mohamad Daud, Wong, Yick Jeng

Doping small amount of MnO2 in ZnO-MnO2 based varistor ceramics by Adnin, Noorfauzana, Zakaria, Azmi, Mohd Ghazali, Mohd Sabri, Suhat, Ahmad Warid, Hashim, Mansor

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Dielectric properties, impedance analysis and modulus behavior of CaTiO3 ceramic prepared by solid state reaction by Wong, Yick Jeng, Hassan, Jumiah, Hashim, Mansor

“…In this work, CaTiO3 ceramic material was prepared by the conventional solid state reaction method. …”
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Comparative studies on the structure and electromagnetic properties of Ni-Zn ferrites prepared via co-precipitation and conventional ceramic processing routes by Jahanbin, Tania, Hashim, Mansor, Mantori, Khamirul Amin

“…In this study, nickel zinc ferrite powder with composition Ni0.8Zn0.2Fe2O4 has been prepared via conventional ceramic processing and co-precipitation methods. The toroidal and pellet form samples were sintered at various temperatures such as 1100, 1200 and 1300 °C. …”
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Effect of temperature treatment on the optical characterization of ZnO-Bi2O3-TiO2 varistor ceramics. by Sabri, M.G.M., Zakaria, Azmi, Rizwan, Zahid, Mohamed Kamari, Halimah, Hashim, Mansor, Zaid, M.H.M.

“…Eg of the ceramic ZnO + xBi2O3 + xTiO2 where x = 0.5 mol%, was determined using UV-Vis spectrophotometer. …”

Effect of milling time on microstructure, crystallite size and dielectric properties of Srtio3 ceramic synthesized via mechanical alloying method by Wong, Yick Jeng, Hassan, Jumiah, Hashim, Mansor, Wong, Swee Yin, Leow, Chun Yan

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Stability of ZnO-Pr6o11-Cr2O3 varistor ceramics against electrical degradation by Wan Abdullah, Wan Rafizah, Zakaria, Azmi, Hashim, Mansor, Rahman, Md. Mahmudur, Mohd Ghazali, Mohd Sabri

“…In this study, ZnO-Pr6O11-Cr2O3 varistor ceramics were prepared through modified citrate gel method and solid state-sintering at 1250 °C for 1 hour. …”
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Photopyroelectric spectrum of MNO2 Doped Bi2O3 - TiO2 - ZnO ceramic combination by Rizwan, Zahid, Zakaria, Azmi, Mat Yunus, Wan Mahmood, Hashim, Mansor, Shaari, Abdul Halim

“…Photopyroelectric spectroscopy is used to study the energy band-gap of the ceramic (ZnO 0.25 Bi2O3 +0.25 TiO2 + x MnO2), x = 0 - 1.3 mol%, sintered at isothermal temperature 1190 and 1270°C for 2 hours in air. …”
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Semiconducting and magnetic properties of La0.67Ca0.33Mn 1-xDyx O3 ceramics by Shaari, Abdul Halim, Koh, S. F., Chow, Sai Pew, Saion, Elias, Hashim, Mansor, Wan Yusoff, Wan Mohamad Daud

“…Electrical resistivity measurements of La0.67Ca0.33Mn1-xDyxO3, x = 0.00 to 0.12, ceramics have been studied using a standard four point probe technique, while the magnetic behaviour have been studied using Ac susceptibility technique. …”
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Use of a reflectance spectroscopy accessory for optical characterization of ZnO-Bi2O3-TiO2 ceramics. by Mohd Ghazali, Mohd Sabri, Zakaria, Azmi, Rizwan, Zahid, Mohamed Kamari, Halimah, Hashim, Mansor, Mohd Zaid, Mohd Hafiz, Zamiri, Reza

“…Therefore, it is necessary to investigate the electronic states of ceramic ZnO and the effect of doped impurities under different processing conditions. …”
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Solid state sintering and microstructural evolution on wide frequency range dielectric responses of mechanically activated CaTiO3 ceramics by Wong, Yick Jeng, Hassan, Jumiah, Hashim, Mansor

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