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H. Saïdi,C. Ben Alaya,M.F. Boujmil,B. Durand,J.L. Lazzari,M. Bouaïcha 한국물리학회 2020 Current Applied Physics Vol.20 No.1
P-type CIGS (CuIn1-xGaxSe2) thin films are electro-deposited on a p-type c-Si substrate with a galvanostatic mode to form CIGS(p)/c-Si(p) hetero-junction. The Ga content is varied up to x=30%. The physical properties of formed CIGS films are characterized by XRD, SEM, EDS and UV–Visible spectroscopy. With x=30%, we obtain a single chalcopyrite phase of CIGS with a tetragonal crystal structure, a high crystallinity, an orientation toward the (112) direction and a band gap energy of 1.40 eV. AM1.5 J-V performed on the CuI0.7G0.3Se2/c-Si hetero-junction reveals interesting photovoltaic parameters with an efficiency of 3.75%. In addition, using the energy diagram of the hetero-junction calculated with the Anderson model, we show that it could play a dual role when combined to a c-Si cell in a Ag–Al/c-Si(n+)/c-Si (p)/CIGS(p)/Al new architecture. Therefore, in addition to its interesting photovoltaic parameters, this heterojunction can substitute the BSF.
COMMUTATIVITY OF JORDAN IDEALS IN 3-PRIME NEAR-RINGS WITH DERIVATIONS
Boua, Abdelkarim Korean Mathematical Society 2018 대한수학회논문집 Vol.33 No.1
We prove some theorems showing that a right Jordan ideal or a left Jordan ideal of a 3-prime near-ring must be commutative if it admits a nonzero derivation acting as a homomorphism or an antihomomorphism. Moreover, we give examples proving necessity of the conditions given.
STRUCTURE OF 3-PRIME NEAR-RINGS SATISFYING SOME IDENTITIES
Boua, Abdelkarim Korean Mathematical Society 2019 대한수학회논문집 Vol.34 No.1
In this paper, we investigate commutativity of 3-prime near-rings ${\mathcal{N}}$ in which (1, ${\alpha}$)-derivations satisfy certain algebraic identities. Some well-known results characterizing commutativity of 3-prime near-rings have been generalized. Furthermore, we give some examples show that the restriction imposed on the hypothesis is not superfluous.
Study of quotient near-rings with additive maps
Abdelkarim Boua,Abderrahmane Raji,Abdelilah Zerbane 대한수학회 2024 대한수학회논문집 Vol.39 No.2
We consider $\mathcal{N}$ to be a $3$-prime field and $\mathcal{P}$ to be a prime ideal of $\mathcal{N}.$ In this paper, we study the commutativity of the quotient near-ring $\mathcal{N}/\mathcal{P}$ with left multipliers and derivations satisfying certain identities on $P$, generalizing some well-known results in the literature. Furthermore, an example is given to illustrate the necessity of our hypotheses.
ON SEMIDERIVATIONS IN 3-PRIME NEAR-RINGS
Ashraf, Mohammad,Boua, Abdelkarim Korean Mathematical Society 2016 대한수학회논문집 Vol.31 No.3
In the present paper, we expand the domain of work on the concept of semiderivations in 3-prime near-rings through the study of structure and commutativity of near-rings admitting semiderivations satisfying certain differential identities. Moreover, several examples have been provided at places which show that the assumptions in the hypotheses of various theorems are not altogether superfluous.
Identities in a Prime Ideal of a Ring Involving Generalized Derivations
ur Rehman, Nadeem,Ali Alnoghashi, Hafedh Mohsen,Boua, Abdelkarim Department of Mathematics 2021 Kyungpook mathematical journal Vol.61 No.4
In this paper, we will study the structure of the quotient ring R/P of an arbitrary ring R by a prime ideal P. We do so using differential identities involving generalized derivations of R. We enrich our results with examples that show the necessity of their assumptions.