PUBLICATIONS

2004 2003 2002 2001 2000 1999 1998 1997 1996 1995

2004         top of the page

First-principles elastic constants and electronic structure of BP, BAs, and BSb
physica status solidi (b) xx (2004) xx–xx. Early view PDF
H. Meradji, S. Drablia, S. Ghemid, H. Belkhir, B. Bouhafs, A. Tadjer

Structural, electronic and optical calculations of Cu(In,Ga)Se₂ ternary chalcopyrites
M. Belhadj, A. Tadjer, B. Abbar, Z. Bousahla, B. Bouhafs, and H. Aourag
physica status solidi (b) 241 (2004) 2516–2528. Early view PDF

Theoretical studies of the angular correlation of positron annihilation in Al_1-xIn_xN.
Z. Bousahla, B. Abbar, B. Bouhafs, and A. Tadjer
physica status solidi (b) 241 (2004) 876–884. PDF

Interband transitions of wide-band-gap ternary pnictide BeCN₂ in the chalcopyrite structure
F. Chiker, B. Abbar, B. Bouhafs and P. Ruterana
physica status solidi (b) 241 (2004) 305–316. PDF

Full potential calculation of structural, electronic and elastic properties of alkaline earth oxides MgO, CaO and SrO
H. Baltache, R. Khenata, M. Sahnoun, M. Driz, B. Abbar, B. Bouhafs
Physica B 344 (2004) 334–342. PDF

Strong Dependence of the Fundamental Band Gap on the Alloy Composition in Cubic In_xGa_1-xN and In_xAl_1-xN Alloys
Z. Dridi, B. Bouhafs, and P. Ruterana
Mat. Res. Soc. Symp. Proc.  798 (2004) Y5.69. PDF

2003         top of the page

First-principles study of structural, electronic and elastic properties of SrS, SrSe and SrTe under pressure.
R. Khenata, H. Baltache, M. Rérat, M. Driz, M. Sahnoun, B. Bouhafs, B. Abbar
Physica B 339 (2003) 208–215. PDF

Unusual structural and electronic properties of SnxGe1-x alloys
Y. Chibane, B. Bouhafs, M. Ferhat
physica status solidi (b) 240 (2003)  116-119. PDF

Calculation of structural, optical and electronic properties of ZnS, ZnSe, MgS, MgSe and their quaternary alloy Mg_1-xZn_xS_ySe_1-y.
M. Rabah, B. Abbar, Y. Al-Douri, B. Bouhafs, B. Sahraoui
Materials Science and Engineering B 100 (2003) 163-171. PDF

Effect of Pressure on the energy band gaps of In_xGa_1-xN and In_xAl_1-x N.
Z. Dridi, B. Bouhafs, and P. Ruterana
Mat. Res. Soc. Symp. Proc. 743 (2003) L11.25.1-L11.25.6. PDF

First-principles investigation of lattice constants and bowing parameters in wurtzite Al_xGa_1-xN, In_xGa_1-xN and In_xAl_1-xN alloys.
Z. Dridi, B. Bouhafs and P. Ruterana
Semiconductor Science and Technology 18 (2003) 850-856. PDF

Theoretical analysis of d electron effects on the electronic properties of wurtzite and zinc-blende GaN.
B. Bouhafs, F. Litimein, Z. Dridi, and P. Ruterana
physica status solidi (b) 236 (2003) 61-81. PDF

Theoretical analysis of disorder effects on electronic and optical properties of the qua-ternary alloy In_1-xGa_xAs _ySb_{1- y} epilayer on GaSb and InAs.
M. Rabah, B. Sahraoui, B. Bouhafs, B. Abbar, H. Abid
physica status solidi (b) 238 (2003) 156-172. PDF
 

First-principles calculations of the structural and electronic properties of the III-nitrides-based superlattices.
B. Bouhafs, A. Lakdja and P. Ruterana
Physica E: Low-dimensional Systems and Nanostructures, 17 (2003) 235-237. PDF

FP-LAPW investigations of electronic structure and bonding mechanism of NbC and NbN compounds.
T. Amriou, B. Bouhafs, H. Aourag, B. Khelifa, S. Bresson and C. Mathieu
Physica B: Condensed Matter 325 (2003) 46-56. PDF

2002         top of the page

The electronic structure of wurtzite and zinc-blende AlN: an ab-initio comparative study.
F. Litimein, B. Bouhafs, Z. Dridi, and P. Ruterana
New Journal of Physics 4 (2002) 64.1-64.12. PDF

First-principles calculation of structural and electronic properties of wurtzite Al_xGa_1-xN, In_xGa_1-xN and In_xAl_1-xN random alloys.
Z. Dridi, B. Bouhafs, and P. Ruterana
physica status solidi (c) 0 (2002) 315-319. PDF

First-principles calculations of vacancy effects on structural and electronic properties of TiC_x and TiN_x.
Z. Dridi, B. Bouhafs, P Ruterana and H Aourag
J. Phys.: Condensed Matter 14 (2002) 10237-10249. PDF

Pressure dependence of energy band gaps for Al_xGa_1-xN, InxGa_1-xN and In_xAl_1-xN.
Z. Dridi, B. Bouhafs, and P. Ruterana
New Journal of Physics 4 (2002) 94.1-94.15. PDF

Theoretical analysis of disorder effects on electronic and optical properties of the quaternary alloy Ga_1-xAl_xAs_ySb_1-y.
M. Rabah, H. Abid, B. Bouhafs, H. Aourag
Materials Chemistry and Physics 74 (2002) 328-335. PDF

2001         top of the page

The electronic structure of CuCl.
M. Ferhat, B. Bouhafs, H. Aourag, A. Zaoui and M. Certier
Computational Materials Science 20 (2001) 267-274. PDF

First-principles calculations of optical properties of AlN, GaN, and InN compounds under hydrostatic pressure.
B. Abbar, B. Bouhafs, H. Aourag, G. Nouet, and P. Ruterana
physica status solidi (b) 228 (2001) 457-460. PDF

The ground state and the bonding properties of the hypothetical cubic zinc-blende-like GeC and SnC compounds.
A. Benzair, B. Bouhafs, B. Khelifa, C. Mathieu and H. Aourag
Physics Letters A 282 (2001) 299-308. PDF

2000         top of the page

Tight-Binding Calculation of Electronic and Elastic Properties of Ge.
A. Laref, B. Bouhafs, A. Zaoui, M. Certier, and H. Aourag
physica status solidi (b) 217 (2000) 911-917. PDF

Trends in band-gap pressure coefficients in boron compounds BP, BAs, and BSb.
B. Bouhafs, H. Aourag and M. Certier
J. Phys.: Condensed. Matter 12 (2000) 5655-5668. PDF

1999         top of the page

Competition between the ionic and covalent character in the series of boron compounds BP, BAs, and BSb.
B. Bouhafs, H. Aourag, M. Ferhat and M. Certier
J. Phys.: Condensed. Matter 11 (1999) 5781-5796. PDF

1998         top of the page

Electronic and optical properties of copper halide mixed crystals CuBr_1-xI_x.
B. Bouhafs, H. Heireche, W. Sekkal, H. Aourag, M. Ferhat, and M. Certier
physica status solidi (b) 209 (1998) 339-352. PDF

Electronic and optical properties of copper halides mixed crystal CuCl_1-xI_x.
B. Bouhafs, H. Heireche, W. Sekkal, H. Aourag, and M. Certier
Phys. Lett. A 240 (1998) 257-264. PDF

Pressure dependence of electronic properties in zinc-blende-like SiGe compound.
B. Bouhafs, H. Aourag, M. Ferhat and M. Certier
Journal of Physics and Chemistry of Solids 59 (1998) 759-768. PDF

First-principles study of structural and electronic properties of BSb.
M. Ferhat, B. Bouhafs, A. Zaoui, and H. Aourag
J. Phys.: Condensed. Matter 10 (1998) 7995-8006. PDF

Molecular-dynamics simulation of structural and thermodynamic properties of boron nitride.
W. Sekkal, B. Bouhafs, H. Aourag and M. Certier
J. Phys.: Condensed. Matter 10 (1998) 4975-4984. PDF

Calculation of the electronic and elastic properties of carbon.
A. Laref, B. Bouhafs, H. Aourag and N. Bouarissa
J. Phys.: Condensed. Matter 10 (1998) 3195-3200. PDF

Transferable non-orthogonal tight-binding model for silicon.
A. Laref, B. Bouhafs, M. Certier, N. Bouarissa, H. Aourag
physica status solidi (b) 208 (1998) 413-426. PDF

Positron annihilation studies in Si_xSn_1-x and Ge_xSn_1-x alloys.
F. Benkabou, B. Bouhafs, A. Zaoui, M. Certier, H. Aourag
physica status solidi (b) 206 (1998) 635-644. PDF

Electronic and optical properties of copper halides mixed crystal CuCl_1-xBr_x.
H. Heireche, B. Bouhafs, H. Aourag, M. Ferhat and M. Certier
Journal of Physics and Chemistry of Solids 59 (1998) 997-1007. PDF

1997         top of the page

Theoretical analysis of disorder effects on electronic and optical properties in InGaAsP quaternary alloy.
B. Bouhafs, H. Aourag, M. Ferhat, A. Zaoui, and M. Certier
Journal Applied Physics 82 (1997) 4923-4930. PDF

Empirical pseudo-potential calculations in GaAs_1-xN_x and AlAs_1-xN_x ordered alloys.
H. Aourag, B. Bouhafs, M. Certier
physica status solidi (b) 201 (1997) 117-134. PDF

1996         top of the page

Electronic structure of Al_1-xGa_xAs and GaP_1-xAs_x alloys : modified virtual crystal approximation calculation using sp³s^* band structures.
M. Ferhat, B. Bouhafs, A. Zaoui, M. Certier, B. Khelifa and H. Aourag
Materials Science and Engineering B 41 (1996) 304-309. PDF

1995         top of the page

Predicted modifications in the direct and indirect gaps of Si.
B. Bouhafs, and H. Aourag
Solid State Communications 96 (1995) 245-250. PDF

Band structure calculations of Ga_1-xAl_xAs, GaAs_1-xP_x and AlAs under pressure.
H. Aourag, M. Ferhat, B. Bouhafs, N. Bouarissa, A. Zaoui, N. Amrane and B. Khelifa
Computational Materials Science 3 (1995) 393-401. PDF

Predicted modifications in the direct and indirect gaps of GaP.
B. Bouhafs, M. Ferhat, N. Amrane, B. Khelifa, and H. Aourag
Infrared Physics and Technology 36 (1995) 791-797. PDF

Energy band structure calculation of Ge_1-xSn_x and Si_1-xSn_x alloys.
B. Bouhafs, F. Benkabou, M. Ferhat, B. Khelifa, J. P. Duffour, and H. Aourag
Infrared Physics and Technology 36 (1995) 967-972. PDF

Prediction of high-pressure phase-transition in Al compounds by the ionicity character.
Zaoui, B. Bouhafs, M. Ferhat, and H. Aourag
physica status solidi (b) 189 (1995) K5-K8. PDF