Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Umaru Ahmadu"'
Publikováno v:
British Journal of Pharmacy, Vol 7, Iss 1 (2022)
Poir starches from three cultivars (Lagos, Giwa, and Sule) were evaluated asexo-disintegrants (5 and 10%w/w) in paracetamol tablet formulations to determine whether the similarity in their physicochemical and material properties translates to perform
Externí odkaz:
https://doaj.org/article/f77e1e48091247de8e328ba1aced4dce
Publikováno v:
East European Journal of Physics, Iss 2, Pp 94-103 (2020)
The study aimed at enhancement and optimisation of SnS conductivity via annealing for field effect transistor’s semiconductor channel layer application. Interstitials and vacancies in SnS films are known to cause carrier traps which limit charge ca
Externí odkaz:
https://doaj.org/article/cc84409801684b09bffd2c3956fbd22e
Publikováno v:
East European Journal of Physics, Iss 3, Pp 71-80 (2019)
The study aimed at the investigation and application of SnS thin film semiconductor as a channel layer semiconductor in the assembly of an electric double layer field effect transistor which is important for the achievement and development of novel d
Externí odkaz:
https://doaj.org/article/e160ece4416944118f2f6cf68d9d2be0
Autor:
Umaru Ahmadu, Ahmad Abubakar Soje, Abdulwaliyu Bidemi Usman, Auwal Muhammad Musa, Kasim Uthman Isah
Publikováno v:
Processing and Application of Ceramics, Vol 10, Iss 2, Pp 79-85 (2016)
Barium calcium stannate titanate (Ba0.88Ca0.12Ti0.975Sn0.025O3) ceramics, synthesized by solid state reaction method and sintered at 1100 °C/3 h, were exposed to gamma radiation dose of up to 1 kGy using a Cs-137 irradiation source at a dose rate of
Externí odkaz:
https://doaj.org/article/5a24596b87af409fa2ab7fbc112b8ebd
Autor:
Tasiu Zangina, Jumiah Hassan, Khamirul Amin Matori, Raba’ah Syahidah Azis, Umaru Ahmadu, Alex See
Publikováno v:
Results in Physics, Vol 6, Iss , Pp 719-725 (2016)
The phenomenon of relaxation in dielectric materials is described as one of the powerful tools to determine the behavior and properties of ion transport. The kinetics of ionic species and dipole in solid-state electrolyte are dependent on frequency,
Externí odkaz:
https://doaj.org/article/e08ab10bda2648e09a0d4c0f1b803e1d
Autor:
Umaru Ahmadu ., Abdulwaliyu B. Usman ., Auwal M. Muhammad ., Oyeleke I. Olarinoye ., Moses Agida .
Publikováno v:
Advanced Materials Proceedings. 2:587-592
Publikováno v:
Revista Mexicana de Física. 67:263-268
This study is focused on the investigation of SnS thin film for transistor application. Electron trap which is associated with grain boundary effect affects the electrical conductivity of SnS semiconductor thin film thereby militating the attainment
Publikováno v:
Advanced Energy Conversion Materials. :27-44
Structural and microstructural properties of Zn1-xLixO (0.00 ≤x≤ 0.50) ceramics were carried out using X-ray Diffraction (XRD) showed that the samples were polycrystalline with hexagonal wurtzite structure. The average crystallite size was estima
Publikováno v:
Advanced Energy Conversion Materials. :1-12
The physical properties of briquettes made from rice husk and coconut shell in different ratios were evaluated based on their thermo-physical properties. The calculated calorific values of the rice husk and coconuts hell are 16.51 MJ/kg and 18.60 MJ/
Autor:
Ambali Saka Abdulkareem, Umaru Ahmadu, S. O. Ibrahim, Jimoh O. Tijani, W. D. Roos, K. U. Isah
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:12800-12811
Carbon nanotubes (CNTs) were synthesized by a bimetallic (Fe–Co/CaCO3) catalytic chemical vapour deposition (CCVD) method. The synthesized CNTs were purified with acid to remove the catalyst impurities to enhance the deposition of platinum (Pt) ont