Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Cik Rohaida Che Hak"'
Autor:
Nurain Adam, Sheikh Ahmad Izaddin Sheikh Mohd Ghazali, Nur Nadia Dzulkifli, Cik Rohaida Che Hak, Siti Halimah Sarijo
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 14, Iss 1, Pp 165-172 (2019)
Cinnamic acid (CA) is known to lose its definite function by forming into radicals that able to penetrate into the skin and lead to health issues. Incorporating CA into zinc/aluminum-layered double hydroxides (Zn/Al-LDH) able to reduce photodegradati
Externí odkaz:
https://doaj.org/article/593018cff5fd46a9afeba9a98110c61b
Publikováno v:
Key Engineering Materials. 908:509-514
Extraction of thorium oxide (ThO2) from monazite mineral specifically from Perak, Malaysia become a bright opportunity for the new income generation in Malaysia eventhough it is involved complex processing routes and require variety of chemicals. Mon
Autor:
Yusof Abdullah, Ahmad Syahmi Zamzuri, Cik Rohaida Che Hak, Nur Idayu Ayob, Nur Ubaidah Saidin
Publikováno v:
Materials Science Forum. 1010:339-345
In this paper, the detail study of electrical conductivity of single layer graphene (SLG) on silicon dioxide (SiO2)/Silicon substrate irradiated by high energy (MeV) electron is presented. The SLG samples prepared by Chemical Vapor Deposition (CVD) w
Autor:
Cik Rohaida Che Hak, Nurain Adam, Sheikh Ahmad Izaddin Sheikh Mohd Ghazali, Siti Halimah Sarijo, Nur Nadia Dzulkifli
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 14, Iss 1, Pp 165-172 (2019)
Cinnamic acid (CA) is known to lose its definite function by forming into radicals that able to penetrate into the skin and lead to health issues. Incorporating CA into zinc/aluminum-layered double hydroxides (Zn/Al-LDH) able to reduce photodegradati
Autor:
Nur Nadia Dzulkifli, Nurain Adam, Cik Rohaida Che Hak, Sheikh Ahmad Izaddin Sheikh Mohd Ghazali
Publikováno v:
Bulletin of Materials Science. 44
Intercalation of salicylic acid (SA) into the interlayer region of zinc/aluminium-layered double hydroxides (LDHs) and zinc layered hydroxides (ZLH) was studied. Fourier transform infrared-attenuated total reflectance (FTIR-ATR) shows the presence of
Autor:
Norasmahan Muridan, Yusof Abdullah, Nurul Fadzlin Hasbullah, Anati Syahirah Hedzir, Cik Rohaida Che Hak, Sarimah Mahat
Publikováno v:
Materials Science Forum. 888:348-352
Nitride-based light emitting diodes (LEDs) is an attractive material due to its high temperature tolerance and suitable to be used in extreme environment. The irradiation process of Gallium Nitride (GaN) diode was carried out by electron irradiation
Autor:
Siti Aishah Ahmad Fuzi, Cik Rohaida Che Hak, Yusof Abdullah, Meor Yusoff Meor Sulaiman, Nur Ubaidah Saidin, Siti Salwa Zainal Abidin
Publikováno v:
Materials Science Forum. 888:297-303
The effect of electron irradiation on structural and optical properties of TiO2 particles has been studied. The crystallinity change was observed at low dose irradiation (4-20 kGy) while phase transformation from pure anatase to mixture of anatase-ru
Publikováno v:
AIP Conference Proceedings.
Publikováno v:
AIP Conference Proceedings.
Impact of 2 MGy and 10 MGy electron irradiation on gallium nitride (GaN) light emitting diodes (LEDs) has been studied. The device was a commercial product (Manufacturer: Vishay) type of GaN Blue LEDs (TLHB5400). The capacitance-voltage (C-V) charact
Autor:
Mohd Zainizan Sahdan, Cik Rohaida Che Hak, Zaidi Embong, Feri Adriyanto, Nafarizal Nayan, S. A. Abdullah
Publikováno v:
Materials Letters. 263:127143
Influence of the interaction between neutron and TiO2 surface is studied for the first time. By knowing the mechanism of this interaction, it could be useful to understand the possibility of the formation of Ti3+ and oxygen vacancy (Vo) surface defec