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Now showing items 2771-2776 of 2776
A comparison of the redox properties of vanadia-based mixed oxides
(
American Chemical Society (ACS)
, 2015 , Article)
The thermodynamics of oxidation and reduction were investigated for a series of vanadium-containing oxides, including CeVO4, LaVO 4, ZrV2O7, Mg3(VO4) 2, CrVO4, AlVO4, and V2O 5, in the temperature range between 873 and 973 ...
Effect of the length of silicon nano-dot/wire on band gap
(
Institute of Electrical and Electronics Engineers Inc. (IEEE)
, 2014 , Conference Paper)
We will report on the role of the length of silicon nanowire (SNW) in determining the band gap of a structure. We find that the band gap decreases with SNW length for the same diameter and approaches the band gap for an ...
Oxygen passivation as effective technique for tailoring the nature of band gap of silicon nanowires
(
Institute of Electrical and Electronics Engineers Inc. (IEEE)
, 2015 , Conference Paper)
Silicon nanowires have been subjected to several experiential and theoretical studies, including chemical tuning with different substituents aiming to tailor the band gap as well as increasing optical absorption efficiency ...
CO2 Reduction to Renewable Hydrocarbon Fuel - Mimicking Natural Photosynthesis
(
Springer Nature
, 2017 , Article)
We report on a wide-range Density Functional Theory (DFT) investigation of the g-C3N4 photocatalysis systems combined with metals/nonmetals, especially those available in plants and involved in the natural photosynthesis ...
الدور التشريعي للسلطة التنفيذية في ظل الدستور القطري "دراسة مقارنة"
(2018 , Master Thesis)
شهدت النظم السياسية الحديثة تراجعاً كبيراً لدور البرلمان، مما أدى إلى هيمنة السلطة التنفيذية وتدخلها في المجال التشريعي، فتقوم هذه الرسالة على توضيح الدور الهام للسلطة التنفيذية في العملية التشريعية من خلال تحديد المجال ...
Space vector pulse width modulation control techniques for a five-phase quasi-impedance source inverter
(
John Wiley and Sons Inc
, 2018 , Article)
This study proposes space vector modulation (SVM) techniques for a five-phase quasi-impedance source inverter. Five different SVM methods are elaborated utilising four active neighbouring (from two different lengths group) ...