Zobrazeno 1 - 10
of 117
pro vyhledávání: '"El Mustapha, Feddi"'
Publikováno v:
مجلة علوم ذي قار, Vol 11, Iss 1 (2024)
The main purpose of this work is studying the linear Susceptibility in the hybrid nanostructure that composed of a dual quantum dot (DQD) and metal nanoparticle (MNP) hybrid system under a standing-wave field. In our model, we used density matrix equ
Externí odkaz:
https://doaj.org/article/7894d1565b4d4d3baa6888fdbdd1edc3
Autor:
Jawad El Hamdaoui, Laura M. Pérez, Miguel Ojeda-Martínez, Nassima El Ouarie, Pablo Díaz, David Laroze, El Mustapha Feddi
Publikováno v:
Nanomaterials, Vol 13, Iss 18, p 2535 (2023)
Using first-principle calculations, we investigate the impact of strain on the electronic structures and effective masses of Janus WSTe and MoSTe monolayers. The calculations were performed using the QUANTUM-ESPRESSO package, employing the PBE and HS
Externí odkaz:
https://doaj.org/article/a32118c0e21d4e91800e0d6c5ab403f7
Autor:
Karina G. Rodriguez-Osorio, Juan P. Morán-Lázaro, Miguel Ojeda-Martínez, Isaac Montoya De Los Santos, Nassima El Ouarie, El Mustapha Feddi, Laura M. Pérez, David Laroze, Soumyaranjan Routray, Fernando J. Sánchez-Rodríguez, Maykel Courel
Publikováno v:
Nanomaterials, Vol 13, Iss 14, p 2058 (2023)
In this work, we present a theoretical study on the use of Cu2ZnSn(S,Se)4 quantum wells in Cu2ZnSnS4 solar cells to enhance device efficiency. The role of different well thickness, number, and S/(S + Se) composition values is evaluated. The physical
Externí odkaz:
https://doaj.org/article/f3271184cbff4a6f95665c5449686cda
Publikováno v:
Materials Proceedings, Vol 14, Iss 1, p 59 (2023)
This study investigates the electronic properties of a single layer of the novel Janus material GeSnS2 using density functional theory. By utilizing the hybrid functional HSE06 in addition to the standard PBE approximation, the study aims to obtain a
Externí odkaz:
https://doaj.org/article/2be9cd1dcc9b463ea8a24c8c6108dfa4
Autor:
Noreddine Aghoutane, Laura M. Pérez, David Laroze, Pablo Díaz, Miguel Rivas, Mohamed El-Yadri, El Mustapha Feddi
Publikováno v:
Crystals, Vol 13, Iss 5, p 851 (2023)
In quantum dots, where confinement is strong, interactions between charge carriers play an essential role in the performance of semiconductor materials for optical gain. Therefore, understanding this phenomenon is critical for achieving new devices w
Externí odkaz:
https://doaj.org/article/3e23c714a4774017b4d9dff5de4dbf4e
Autor:
Mohamed El-Yadri, Jawad El Hamdaoui, Noreddine Aghoutane, Laura M. Pérez, Sotirios Baskoutas, David Laroze, Pablo Díaz, El Mustapha Feddi
Publikováno v:
Nanomaterials, Vol 13, Iss 8, p 1334 (2023)
This study investigates the effect of quantum size and an external magnetic field on the optoelectronic properties of a cylindrical AlxGa1−xAs/GaAs-based core/shell nanowire. We used the one-band effective mass model to describe the Hamiltonian of
Externí odkaz:
https://doaj.org/article/df2ab438437e4c1a89015b02aaedcf39
Autor:
Laura M. Pérez, Asmae EL Aouami, Kawtar Feddi, Vittorianna Tasco, Abdellatif Ben Abdellah, Francis Dujardin, Maykel Courel, Javier A. Riquelme, David Laroze, EL Mustapha Feddi
Publikováno v:
Crystals, Vol 12, Iss 7, p 1002 (2022)
Photovoltaic cells, based on quantum dots implementation in the intrinsic region, are one of the most widely studied concepts nowadays to obtain a high solar conversion efficiency. The challenge in this third generation of solar cells is to find a go
Externí odkaz:
https://doaj.org/article/b7189e4748c44a32882e5689f93a3ee3
Autor:
Jawad El Hamdaoui, Mohamed El-Yadri, Mohamed Farkous, Mohamed Kria, Maykel Courel, Miguel Ojeda, Laura M. Pérez, Anton Tiutiunnyk, David Laroze, El Mustapha Feddi
Publikováno v:
Nanomaterials, Vol 11, Iss 10, p 2692 (2021)
Following the chronological stages of calculations imposed by the WIEN2K code, we have performed a series of density functional theory calculations, from which we were able to study the effect of strain on the kesterite structures for two quaternary
Externí odkaz:
https://doaj.org/article/ae26509187d5428c906b0acb0fa7d272
Autor:
Varsha, Mohamed Kria, Jawad El Hamdaoui, Laura M. Pérez, Vinod Prasad, Mohamed El-Yadri, David Laroze, El Mustapha Feddi
Publikováno v:
Nanomaterials, Vol 11, Iss 6, p 1513 (2021)
We have studied the parallel and perpendicular electric field effects on the system of SiGe prolate and oblate quantum dots numerically, taking into account the wetting layer and quantum dot size effects. Using the effective-mass approximation in the
Externí odkaz:
https://doaj.org/article/63feb335dce548adb79d4b00a3873613
Autor:
Noreddine Aghoutane, Laura M. Pérez, Anton Tiutiunnyk, David Laroze, Sotirios Baskoutas, Francis Dujardin, Abdelouahad El Fatimy, Mohamed El-Yadri, El Mustapha Feddi
Publikováno v:
Applied Sciences, Vol 11, Iss 13, p 5969 (2021)
This theoretical study is devoted to the effects of pressure and temperature on the optoelectronic properties assigned to the first lowest transition of the (D+,X) excitonic complex (exciton-ionized donor) inside a single AlAs/GaAs/AlAs spherical qua
Externí odkaz:
https://doaj.org/article/2df51a0557b447bf83ffb5a66df65f3f