Center of Excellence for Geopolymer and Green Technology (CEGEOGTECH) (Articles): Recent submissions
Now showing items 41-60 of 135
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First-principles study of structural stabilities, elastic and electronic properties of transition metal monocarbides (TMCs) and mononitrides (TMNs)
(Elsevier Ltd., 2013-12)The structural stabilities, elastic and electronic properties of 5d transition metal mononitrides (TMNs) XN with (X = Ir, Os, Re, W and Ta) and 5d transition metal monocarbides (TMCs) XC with (X = Ir, Os, Re and Ta) were ... -
First principle calculations of transition metal oxide, AgAlO2, as active photocatalyst: sustainable alternative sources of energy
(Electrochemical Science Group (ESG), 2013)Electronic structure, optical properties and electronic charge density of transition metal oxide, AgAlO2 as active photocatalyst are calculated using full potential linearize augmented plane wave (FP-LAPW) method within ... -
Electronic band structure and specific features of Sm2NiMnO6 compound: DFT calculation
(Elsevier BY., 2013-09)The band structure, density of states, electronic charge density, Fermi surface and optical properties of Sm2NiMnO6 compound have been investigated with the support of density functional theory (DFT). The atomic positions ... -
Machining performance of reinforced alumina insert in end milling of AISI 1018 steel
(Trans Tech Publications, 2013-09)The main goal of this work is to investigate the performance of zirconia toughened alumina (ZTA) and ZTA reinforced with magnesium oxide (MgO) used as cutting insert in end milling of AISI 1018 steel with hardness of 27 ... -
Half-metallic ferromagnetism in Al1-xCrxP and superlattices (AlP)n/(CrP)m by density functional calculations
(Elsevier, 2014-01)Using the first-principles full-potential linear muffin-tin orbital (FP-LMTO) method based on density functional theory, we have investigated the electronic structure and magnetism of order dilute ferromagnetic semiconductor ... -
Tensile properties and FTIR analysis of HDPE/soya spent powder in oven aging
(AENSI Publisher All rights reserved, 2013-10)This investigation involves pure HDPE and then HDPE with addition of soya spent powder with different weight percentagesbefore and after exposing in the oven aging. The characteristics of pure HDPE and HDPE/ soya spent ... -
Malaysian Foxtail grass - A potential source of natural/agro fibre for polymer composite panel
(Trans Tech Publications, 2013)Foxtail grass, also known as 'rumput bulu' by the local people, is one of the fast growing grasses abundantly available all over Malaysia. A full grown Foxtail grass attains a height of about 0.5 - 1.5 meters. The fibres ... -
The effect of different sizes "Batu Reput" (Dolomite) as a filler in SMR L and ENR-50
(Trans Tech Publications, 2013)The effects of different sizes of "Batu Reput" (Dolomite) filler which are smaller size (<63μm) and bigger size (75-150μm) on tensile and morphological properties of "Batu Reput" (Dolomite) filled SMR L and epoxidized ... -
Surface modification via wet chemical etching of single-crystalline silicon for photovoltaic application
(Elsevier Ltd., 2013-11)The potential of solar cells have not been fully tapped due to the lack of energy conversion efficiency. There are three important mechanisms in producing high efficiency cells to harvest solar energy; reduction of light ... -
Photovoltaic characteristics of hybrid MEH-PPV-nanoparticles compound
(Elsevier B.V., 2013)Organic solar cell research has vastly developed in recent years. These organic solar cells however are still limited to low power conversion efficiencies. This has led to the generation of photovoltaic cells based on ... -
Electrical behaviour of MEH-PPV based diode and transistor
(Elsevier Ltd., 2013-11)The potential of organic semiconductor based devices for light generation is demonstrated by the commercialisation of display technologies using organic light emitting diode (OLED). In OLED, organic materials plays an ... -
Comparative study on human and bovine AT-SC isolation methods
(Elsevier Ltd., 2013-11)Mammalian adipose tissue derived stem cells (AT-SC) have a tremendous potential in regenerative medicine for tissue engineering and somatic nuclear transfer (SNT). The isolation methods of human and bovine adipose tissue ... -
Optoelectronic and thermoelectric properties of KAuX5 (X = S, Se): A first principles study
(Springer US, 2014-02)The electronic structure as well as optical and thermoelectric properties of the orthorhombic polychalcogenides of gold KAuX5 (X = S, Se) compounds have been investigated using full-potential linearized augmented plane ... -
Electronic band structure and specific features of AA- and AB-stacking of carbon nitride (C₃N₄): DFT calculation
(Royal Society of Chemistry, 2014-01)The state-of-the-art all-electron full potential linear augmented plane wave based on density functional theory was applied for calculating the structural, electronic band structure, effective mass, density of state, and ... -
Copper ion-exchanged channel waveguides optimization for optical trapping
(Elsevier Ltd., 2013-08)Optical trapping of particles has become a powerful non-mechanical and non-destructive technique for precise particle positioning. The manipulation of particles in the evanescent field of a channel waveguide potentially ... -
Study on radioactivity components, water quality and microstructure characteristic of volcano ash as geopolymer artificial aggregate
(SYSCOM 18, 2013-06)The assessments of radioactivity, water qualitytesting and microstructure characteristic of volcano ash have been examined. The measurement of the 226Ra, 232Th, 40K, and 238U were carried out using radioactive concentration ... -
Insulator to metal transition and optical response of CsCl under pressure
(World Scientific Publishing Company, 2014-03)First principle calculations on cesium chloride (CsCl) compound have been performed using state of the art full potential linearized augmented plane wave (FP-LAPW) method. Calculated structural parameters are found in ... -
Comparison of original and sintered LUSI mud from East Java, Indonesia as raw material for making a geopolymer
(American Scientific Publishers, 2013-01)This paper presents the characterization of LUSI mud from East Java, Indonesia, as a potential raw material for making a geopolymer. Two types of LUSI mud were analyzed, i.e., original LUSI mud and LUSI mud that had been ... -
Electronic structure, electronic charge density and optical properties of 3-methyl-1,4-dioxo-1, 4-dohydronaphthalen-2-yl-sulfanyl (C₁₃H₁₀O₄S)
(ESG, 2014)The atomic positions of 3-methyl-1,4-dioxo-1, 4-dohydronaphthalen-2-yl-sulfanyl (3MDS) single crystal taken from XRD data were optimized by minimizing the forces. We make use of the optimized geometry as a starting point ... -
Thermoelectric properties, effective mass, chemical bonding, and optical properties of 1,3,6-trimetylo-alloxazine: C₁₃H₁₂N₄O₂
(ESG, 2014)The thermoelectric properties, electronic band structure, density of states, chemical bonding, optical properties, electrons and holes effective mass of 1,3,6-trimetylo-alloxazine are calculated by using the full potential ...