Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Geffe, P."'
Autor:
Mesfin Diro Chaka, Addisu Gezahegn Semie, Yedilfana Setarge Mekonnen, Chernet Amente Geffe, Hailemichael Kebede, Yonas Mersha, Fikru Abiko Anose, Natei Ermias Benti
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 9, Iss , Pp 100594- (2024)
Wind power plays a critical role in supporting Ethiopia's electricity generation, particularly during dry seasons when hydropower availability diminishes. This contribution becomes even more crucial for sustaining industrial growth. However, accurate
Externí odkaz:
https://doaj.org/article/509181ced7b94c8e881136dd65952389
Autor:
Chernet Amente Geffe
Publikováno v:
AIP Advances, Vol 14, Iss 3, Pp 035213-035213-7 (2024)
In this paper, the effect of magnon scattering, light–matter coupling strength, temperature, and applied dc field H0 on magnon dispersion, density of magnons, magnetization, and thermodynamic properties of 2D-Sc/GaAs DMS material is studied. The Gr
Externí odkaz:
https://doaj.org/article/c1346d7c26364b97b59248a078830fcc
Autor:
Tadesse Bekele Aredo, Chernet Amente Geffe, Kunsa Haho Habura, Tola Jabessa Masho, Gemechis Mathewos Fite, Dereje Gelanu Dadi, Manza Zityab Kasiab, Bedasa Wagari Likasa
Publikováno v:
Advances in Condensed Matter Physics, Vol 2024 (2024)
In this paper, the effects of hole doping on the magnon specific heat, average number of magnons, magnetization, and Curie temperature (Tc) of the diluted magnetic semiconductor (DMS) (Ga, Mn)As are theoretically studied using Green function formalis
Externí odkaz:
https://doaj.org/article/c4d23f32664c461c82ae26410ae94597
Publikováno v:
AIP Advances, Vol 13, Iss 4, Pp 045117-045117-9 (2023)
This article investigates the dynamics of spin waves in two sublattice antiferromagnetic (AFM) system spins’ interaction and magnon dispersion relation. The analysis is done starting with a standard model that includes a uniaxial magnetic anisotrop
Externí odkaz:
https://doaj.org/article/ab9b73304c4e4bfa8eaee0ead7780826
Autor:
Natei Ermias Benti, Tegenu Argaw Woldegiyorgis, Chernet Amente Geffe, Gamachis Sakata Gurmesa, Mesfin Diro Chaka, Yedilfana Setarge Mekonnen
Publikováno v:
Scientific African, Vol 19, Iss , Pp e01562- (2023)
Geothermal energy can be used to produce electricity, heat or cool buildings, and other industrial uses. It is a clean and sustainable energy source. It has generated a lot of interest recently because of its several advantages, including its less ne
Externí odkaz:
https://doaj.org/article/bda6a1e6602f40c9970ee3189ad32489
Autor:
Natei Ermias Benti, Abreham Berta Aneseyee, Chernet Amente Geffe, Tegenu Argaw Woldegiyorgis, Gamachis Sakata Gurmesa, Mesfin Bibiso, Ashenafi Abebe Asfaw, Abnet Woldesenbet Milki, Yedilfana Setarge Mekonnen
Publikováno v:
Scientific African, Vol 19, Iss , Pp e01531- (2023)
Due to an increase in fuel demand and efforts to lessen greenhouse gas (GHG) emissions, countries around the globe are searching for different clean energy sources such as biodiesel. Biodiesel is a renewable energy source that appears to be an ideal
Externí odkaz:
https://doaj.org/article/466c34701b7e4692a443b6bd401e3a50
Publikováno v:
Advances in Condensed Matter Physics, Vol 2023 (2023)
Ternary boron-carbon-nitride compounds are the hardest, chemically stable, and most applicable semiconductors in optoelectronic devices. We investigate the quasi-particle and excitonic properties of type II o-BC2N using many-body perturbation theory
Externí odkaz:
https://doaj.org/article/a158491d830d49b5856ab1ea5bf2f00e
Autor:
Natei Ermias Benti, Abreham Berta Aneseyee, Ashenafi Abebe Asfaw, Chernet Amente Geffe, Girum Ayalneh Tiruye, Yedilfana Setarge Mekonnen
Publikováno v:
Cogent Engineering, Vol 9, Iss 1 (2022)
Solar energy is one of the renewable energy sources that can be used to solve Ethiopia’s current energy problems. However, global solar radiation data for the country are either not available at all levels or recorded for only a few years at some l
Externí odkaz:
https://doaj.org/article/ca66e962b9be4564afe0c2a6ca3d2343
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