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1

Numerical analysis of interface properties effects in CdTe/CdS:O thin film solar cell by SCAPS-1D

Teyou Ngoupo, A., Ouédraogo, S., Ndjaka, J. M.

Journal:

Indian Journal of Physics

Year:

2019

Language:

english

File:

PDF, 940 KB

english, 2019

2

A criterion to identify sinking-in and piling-up in indentation of materials

N’jock, M. Yetna, Chicot, D., Ndjaka, J.M., Lesage, J., Decoopman, X., Roudet, F., Mejias, A.

Journal:

International Journal of Mechanical Sciences

Year:

2015

Language:

english

File:

PDF, 615 KB

english, 2015

3

Switching alternating current (AC) using a fully screen-printed current-driven transistor

Zambou, Serges, Azeutsap, Flore M., Nuessl, Rudolph, Magunje, Batsirai, Walton, Stanley D., Jonah, Emmanuel O., Zekeng, Serge S., Ndjaka, Jean M., Harting, Margit, Britton, David T.

Journal:

IET Power Electronics

Year:

2018

Language:

english

File:

PDF, 2.73 MB

english, 2018

4

Computational study of reactivity and solubility of Rubescin D and E molecules in gas phase and in solvent media using Hartree-Fock and DFT methods

Yossa Kamsi, R.A., Ejuh, G.W., Tadjouteu Assatse, Y., Njeumen, C.A., Tchoffo, F., Ndjaka, J.M.B.

Journal:

Chinese Journal of Physics

Year:

2019

Language:

english

File:

PDF, 1.58 MB

english, 2019

5

Thermochromic nanocrystalline Au–VO2 composite thin films prepared by radiofrequency inverted cylindrical magnetron sputtering

J.B. Kana Kana, J.M. Ndjaka, B.D. Ngom, N. Manyala, O. Nemraoui, A.Y. Fasasi, R. Nemutudi, A. Gibaud, D. Knoesen, M. Maaza

Journal:

Thin Solid Films

Year:

2010

Language:

english

File:

PDF, 574 KB

english, 2010

6

Theoretical study on the electronic, optoelectronic, linear and non linear optical properties and UVâVis Spectrum of Coronene and Coronene substituted with Chlorine

Ejuh, G. W., Tchangnwa Nya, F., Djongyang, N., Ndjaka, J. M. B.

Journal:

SN Applied Sciences

Year:

2020

File:

PDF, 1.18 MB

2020

7

Theoretical analysis of minority carrier lifetime and Cd-free buffer layers on the CZTS based solar cell performances

Djinkwi Wanda, M., Ouédraogo, S., Ndjaka, J.M.B.

Journal:

Year:

2019

Language:

english

File:

PDF, 1.26 MB

english, 2019

8

Numerical investigations of stresses and strains redistribution around the tunnel: Influence of transverse isotropic behavior of granitic rock, in situ stress and shape of tunnel

Ngueyep Mambou, L. L., Ndop, J., Ndjaka, J.-M. B.

Journal:

Journal of Mining Science

Year:

2015

Language:

english

File:

PDF, 1.79 MB

english, 2015

9

Computational analysis of the effect of the surface defect layer (SDL) properties on Cu(In,Ga)Se2-based solar cell performances

Ouédraogo, S., Zougmoré, F., Ndjaka, J.M.B.

Journal:

Journal of Physics and Chemistry of Solids

Year:

2014

Language:

english

File:

PDF, 1.65 MB

english, 2014

10

Highlighting some layers properties in performances optimization of CIGSe based solar cells: Case of Cu(In, Ga)Se – ZnS

Fridolin, Tchangnwa Nya, Maurel, Dzifack Kenfack Guy, Ejuh, Geh Wilson, bénédicte, Touogam touolak, Marie, Ndjaka Jean

Journal:

Journal of King Saud University - Science

Year:

2018

Language:

english

File:

PDF, 848 KB

english, 2018

11

Investigation of the electronic, optoelectronics, and linear and nonlinear optical properties of the molecules heptacene ([7]acene) (C30H18) and [7]acene doped with potassium atom (C30H9K9)

Ejuh, G. W., Nya, F. Tchangnwa, Kamsi, R. A. Yossa, Ndjaka, J. M. B.

Journal:

Polymer Bulletin

Year:

2017

Language:

english

File:

PDF, 1.25 MB

english, 2017

12

Redistribution and magnitude of stresses around horse shoe and circular excavations opened in anisotropic rock

Mambou, Ngueyep Luc Leroy, Ndop, Joseph, Ndjaka, Jean-Marie Bienvenu

Journal:

International Journal of Mining Science and Technology

Year:

2015

Language:

english

File:

PDF, 1.97 MB

english, 2015

13

SnS 4 -Based Solar Cells by wxAMPS

Tchognia Nkuissi, HervÃ© JoÃ«l, Mambou Ngueyep, Luc Leroy, DadjÃ©, Abdouramani, Tchapga Gnamsi, Guy Molay, ChÃ©agÃ©, AndrÃ© ChamgouÃ©, Hartiti, Bouchaib, Ndjaka, Jean-Marie

Journal:

International Journal of Photoenergy

Year:

2020

File:

PDF, 1.17 MB

2020

14

Theoretical study of optoelectronic properties of the molecule 2-cyano-3-[4-(diphenylamino)phenyl] acrylic acid

Fonkem, C., Ejuh, G. W., Tchangnwa Nya, F., Yossa Kamsi, R. A., Ndjaka, J. M. B.

Journal:

Journal of the Iranian Chemical Society

Year:

2019

Language:

english

File:

PDF, 743 KB

english, 2019

15

Prediction of electronic structure, dielectric and thermodynamical properties of flurbiprofen by density functional theory calculation

Ejuh, G.W., Ottou Abe, M.T., Tchangwa Nya, F., Ndjaka, J.M.B.

Journal:

Karbala International Journal of Modern Science

Year:

2017

Language:

english

File:

PDF, 1.60 MB

english, 2017

16

DFT studies of nanomaterials designed by the functionalization of modified carboxylated carbon nanotubes with biguanide derivatives for nanomedical, nonlinear and electronic applications

Tadjouteu Assatse, Y., Ejuh, G.W., Tchoffo, F., Ndjaka, J.M.B.

Journal:

Chinese Journal of Physics

Year:

2019

File:

PDF, 1.51 MB

2019

17

High substrate temperature induced anomalous phase transition temperature shift in sputtered VO2 thin films

J.B. Kana Kana, J.M. Ndjaka, B.D. Ngom, A.Y. Fasasi, O. Nemraoui, R. Nemutudi, D. Knoesen, M. Maaza

Journal:

Optical Materials

Year:

2010

Language:

english

File:

PDF, 366 KB

english, 2010

18

Solution-based deposition of wurtzite copper zinc tin sulfide nanocrystals as a novel absorber in thin film solar cells

Nkuissi Tchognia, Joël Hervé, Arba, Youssef, Dakhsi, Khalid, Hartiti, Bouchaib, Ndjaka, Jean-Marie, Ridah, Abderraouf, Thevenin, Philippe

Journal:

Optical and Quantum Electronics

Year:

2016

Language:

english

File:

PDF, 530 KB

english, 2016

19

Theoretical investigation of the molecular structure, vibrational spectra, thermodynamic and nonlinear optical properties of 4, 5-dibromo-2, 7dinitro- fluorescein

Fankam, J. B., Ejuh, Geh Wilson, Tchangnwa Nya, F., Ndjaka, J. M. B.

Journal:

Optical and Quantum Electronics

Year:

2020

File:

PDF, 1.52 MB

2020

20

Modeling and numerical analysis of granite rock specimen under mechanical loading and fire

Mambou, Luc Leroy Ngueyep., Ndop, Joseph, Ndjaka, Jean-Marie Bienvenu

Journal:

Joumal of Rock Mechanics and Geotechnical Engineering

Year:

2015

Language:

english

File:

PDF, 1.18 MB

english, 2015

21

Study of the structural, chemical descriptors and optoelectronic properties of the drugs Hydroxychloroquine and Azithromycin

Ejuh, G.W., Fonkem, C., Tadjouteu Assatse, Y., Yossa Kamsi, R.A., Nya, Tchangnwa, Ndukum, L.P., Ndjaka, J.M.B.

Journal:

Year:

2020

File:

PDF, 2.10 MB

2020

22

Effect of metalation on some graphene nanoribbons for potential application as donor in organic photovoltaic cells

Mainimo, E., Ejuh, G. W., Ndjaka, J. M. B.

Journal:

Journal of Materials Science: Materials in Electronics

Year:

2020

File:

PDF, 1.43 MB

2020

23

Study of some properties of quinone derivatives from quantum chemical calculations

Ejuh, Geh Wilson, Tchangnwa Nya, F., Djongyang, N., Ndjaka, J. M. B.

Journal:

Optical and Quantum Electronics

Year:

2018

Language:

english

File:

PDF, 1.02 MB

english, 2018

24

Microstructure analysis of hydraulic concrete using crushed basalt, crushed gneiss and alluvial sand as fine aggregate

Tchapga Gnamsi, Guy Molay, Mambou Ngueyep, Luc Leroy, Foguieng Wembe, Marius, Ndjaka, Jean-Marie Bienvenu

Journal:

Year:

2020

File:

PDF, 1.87 MB

2020

25

Theoretical investigations of mechanical properties of sandstone rock specimen at high temperatures

Ngueyep Mambou, L. L., Ndop, J., Ndjaka, J. M. B.

Journal:

Journal of Mining Science

Year:

2014

Language:

english

File:

PDF, 649 KB

english, 2014

26

Wind Energy Resource Assessment in Ngaoundere Locality

Kazet, Myrin Y., Mouangue, Ruben, Kuitche, Alexis, Ndjaka, J.M.

Journal:

Energy Procedia

Year:

2016

Language:

english

File:

PDF, 393 KB

english, 2016

27

Numerical Investigations and Analysis of Cu 2 ZnSnS 4 Based Solar Cells by SCAPS-1D

Djinkwi Wanda, M., Ouédraogo, S., Tchoffo, F., Zougmoré, F., Ndjaka, J. M. B.

Journal:

International Journal of Photoenergy

Year:

2016

Language:

english

File:

PDF, 2.17 MB

english, 2016

28

Mechanical tensile properties by spherical macroindentation using an indentation strain-hardening exponent

Yetna N’Jock, M., Chicot, D., Decoopman, X., Lesage, J., Ndjaka, J.M., Pertuz, A.

Journal:

International Journal of Mechanical Sciences

Year:

2013

Language:

english

File:

PDF, 1.30 MB

english, 2013

29

Magnetic properties of sandwiches based on Nd–Co and Y–Co amorphous alloys

J. M. B. Ndjaka, D. Givord

Year:

1996

Language:

english

File:

PDF, 480 KB

english, 1996

30

Glass transition in hard-core fluids and beyond, using an effective static structure in the mode coupling theory

Amokrane, S., Tchangnwa Nya, F., Ndjaka, J. M.

Journal:

The European Physical Journal E

Year:

2017

Language:

english

File:

PDF, 2.42 MB

english, 2017

31

Study of the molecular structure, electronic and chemical properties of Rubescin D molecule

Kamsi, R.A. Yossa, Ejuh, G.W., Mkounga, P., Ndjaka, J.M. B.

Journal:

Chinese Journal of Physics

Year:

2019

Language:

english

File:

PDF, 1.67 MB

english, 2019

32

Theoretical study of optoelectronic and thermodynamic properties of molecule 4-[2-(2-N,N-dihydroxy amino thiophene)vinyl]benzanamine: Influence of hydroxyl position

Tchangnwa Nya, F., Ejuh, G.W., Ndjaka, J.M.B.

Journal:

Materials Letters

Year:

2017

Language:

english

File:

PDF, 750 KB

english, 2017

33

New Architecture towards Ultrathin CdTe Solar Cells for High Conversion Efficiency

Teyou Ngoupo, A., Ouédraogo, S., Zougmoré, F., Ndjaka, J. M. B.

Journal:

International Journal of Photoenergy

Year:

2015

Language:

english

File:

PDF, 2.16 MB

english, 2015

34

Antiphase phenomena in 2d ising square lattice

Sitamtze, Y.B, Zékeng, S.S, Ndjaka, J.M.B, Domngang, S

Journal:

African Journal of Science and Technology

Year:

2010

Language:

english

File:

PDF, 243 KB

english, 2010

35

Numerical and Analytical Calculations for Modeling and Designing Drilling Wicks or Rotary Cutters Based of Functionally Graded Materials

Ngueyep, Luc Leroy Mambou, Ndop, Joseph, Nkene, Elise Rose Atangana, Ndjaka, Jean-Marie Bienvenu

Journal:

Journal of Engineering

Year:

2018

Language:

english

File:

PDF, 2.10 MB

english, 2018

36

Prediction of the flash points of multicomponent systems: Applications to solvent blends, gasoline, diesel, biodiesels and jet fuels

Paricaud, P., Ndjaka, A., Catoire, L.

Journal:

Year:

2019

Language:

english

File:

PDF, 1.26 MB

english, 2019

37

Influence of zinc and copper on the electronic, linear, and nonlinear optical properties of organometallic complexes with phenalenyl radical: a computational study

KabÃ©, Clovis, Tchangnwa Nya, Fridolin, Ejuh, Geh Wilson, Malloum, Alhadji, Conradie, Jeanet, Ndjaka, Jean Marie

Journal:

Structural Chemistry

Year:

2020

File:

PDF, 807 KB

2020

38

Modeling of the electronic, optoelectronics, photonic and thermodynamics properties of 1,4-bis(3-carboxyl-3-oxo-prop-1-enyl) benzene molecule

Ejuh, Geh Wilson, Nouemo, Samuel, Nya, F. Tchangnwa, Marie, Ndjaka Jean

Journal:

Journal of the Iranian Chemical Society

Year:

2016

Language:

english

File:

PDF, 742 KB

english, 2016

39

Original magnetization processes in the artificial ferrimagnet Y-Co/Gd-Co/Y-Co

B. Dieny, D. Givord, J.M.B. Ndjaka

Journal:

Journal of Magnetism and Magnetic Materials

Year:

1991

Language:

english

File:

PDF, 337 KB

english, 1991

40

[IEEE 2015 3rd International Renewable and Sustainable Energy Conference (IRSEC) - Marrakech, Morocco (2015.12.10-2015.12.13)] 2015 3rd International Renewable and Sustainable Energy Conference (IRSEC) - Optimization of the output parameters in kesterite-based solar cells by AMPS-1D

Tchognia, Joel Herve Nkuissi, Arba, Youssef, Dakhsi, Khalid, Hartiti, Bouchaib, Ridah, Abderraouf, Tchognia, Joel Herve Nkuissi, Ndjaka, Jean-Marie, Thevenin, Philippe

Year:

2015

Language:

english

File:

PDF, 2.61 MB

english, 2015

41

Density functional theory study of optoelectronic, nonlinear optical, piezoelectric and thermodynamic properties of poly (3,4-ethylenedioxythiophene), poly(3,4-ethylenedioxyselenophene) and their derivatives

Mveme, CÃ´me Damien DÃ©sirÃ©, Tchangnwa Nya, Fridolin, Ejuh, Geh Wilson, Yossa Kamsi, Richard Arnaud, Ndjaka, Jean Marie Bienvenu

Journal:

Optical and Quantum Electronics

Year:

2020

File:

PDF, 1.50 MB

2020

42

DFT study of the enhancement of physico-chemical, nonlinear and optoelectronic properties of the 2-cyano-3-[4(diphenylamino) phenyl] acrylic acid molecule by doping with the potassium atom

Fonkem, C C, Ndjaka, J M B, Ejuh, G W

Journal:

Bulletin of Materials Science

Year:

2020

File:

PDF, 1.51 MB

2020

43

Thermochromic VO2 thin films synthesized by rf-inverted cylindrical magnetron sputtering

J.B. Kana Kana, J.M. Ndjaka, P. Owono Ateba, B.D. Ngom, N. Manyala, O. Nemraoui, A.C. Beye, M. Maaza

Journal:

Applied Surface Science

Year:

2008

Language:

english

File:

PDF, 757 KB

english, 2008

44

Direct observation of interlayer exchange coupling by MOKE in amorphous RE-TM sandwiches

J.M. Alameda, F.H. Salas, D. Givord, J.M.B. Ndjaka

Journal:

Journal of Magnetism and Magnetic Materials

Year:

1991

Language:

english

File:

PDF, 176 KB

english, 1991

45

Study of some properties of quinone derivatives from quantum chemical calculations

Ejuh, Geh Wilson, Tchangnwa Nya, F., Djongyang, N., Ndjaka, J. M. B.

Journal:

Optical and Quantum Electronics

Year:

2018

File:

PDF, 1.02 MB

2018

46

A density functional theory (DFT) study of the doping effect on 2-cyano-3- [4 (diphenylamino) phenyl] acrylic acid

Fonkem, C.C., Ejuh, G.W., Nya, F. Tchangnwa, Kamsi, R.A. Yossa, Assatse, Y. Tadjouteu, Ndjaka, J.M.B.

Journal:

Chinese Journal of Physics

Year:

2019

Language:

english

File:

PDF, 860 KB

english, 2019

47

DFT study of the influence of impurities on the structural, electronic, optoelectronic, and nonlinear optical properties of graphene nanosheet functionalized by the carboxyl group âCOOH

Foadin, Crevain Souop Tala, Nya, Fridolin Tchangnwa, Ejuh, Geh Wilson, Malloum, Alhadji, Conradie, Jeanet, Ndjaka, Jean Marie

Journal:

Journal of Molecular Modeling

Year:

2020

File:

PDF, 847 KB

2020

48

[AIP LASER AND PLASMA APPLICATIONS IN MATERIALS SCIENCE: First International Conference on Laser Plasma Applications in Materials Science—LAPAMS’08 - Algiers (Algeria) (23–26 June 2008)] AIP Conference Proceedings - Combined Thermochromic And Plasmonic: Optical Responses In Novel Nanocomposite Au-VO[sub 2] Films Prepared By RF Inverted Cylindrical Magnetron Sputtering

Kana, J. B. Kana, Ndjaka, J. M., Manyala, N., Nemraoui, O., Beye, A. C., Maaza, M., Amara, El-Hachemi, Boudjemai, Saïd, Doumaz, Djamila

Year:

2008

Language:

english

File:

PDF, 274 KB

english, 2008

49

Application of Taguchi approach to optimize the sol–gel process of the quaternary Cu2ZnSnS4 with good optical properties

Nkuissi Tchognia, Joël Hervé, Hartiti, Bouchaib, Ridah, Abderraouf, Ndjaka, Jean-Marie, Thevenin, Philippe

Journal:

Optical Materials

Year:

2016

Language:

english

File:

PDF, 1.31 MB

english, 2016

50

Electronic Structure, Spectroscopic (IR, Raman, UV-Vis, NMR), Optoelectronic, and NLO Properties Investigations of Rubescin E (C 31 H 36 O 7 ) Molecule in Gas Phase and Chloroform Solution Using Ab Initio and DFT Methods

Yossa Kamsi, Richard Arnaud, Ejuh, Geh Wilson, Tchoffo, Fidèle, Mkounga, Pierre, Ndjaka, Jean-Marie Bienvenu

Journal:

Advances in Condensed Matter Physics

Year:

2019

Language:

english

File:

PDF, 2.08 MB

english, 2019

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