| | 18. B. Hamad, J. Khalifeh and C. Demangeat | Surf. Sci | 601 346 | | 2007 |
 | | R. A. Nasrallah, B. A. Hamad and J. M. Khalifeh | Solid State Comm | 138, 412 | | 2006 |
| | J. H. Asad, R. S. Hijjawi, A. Sakaji and J. M. Khalifeh | Int. J. Theor. Phys | 44(4), 3977 | | 2005 |
| | A. M. Bakir, B. A. Hamad and J. M. Khalifeh | phys. stat, Accepted | sol. (c), | | 2005 |
| | K. M. Tarawneh, B. A. Hamad and J. M. Khalifeh | SURFACE SCIENCE, Accepted | | | 2005 |
| | J. H. Asad, R. S. Hijjawi, A. Sakaji and J. M. Khalifeh | Int. J. Modern Phys | B 19, 3713-3721 | | 2005 |
| | J. H. Asad, A. Sakaji, R. S. Hijjawi and J. M. Khalifeh | submitted | | | 2005 |
| | J. H. Asad, R. S. Hijjawi, A. Sakaji and J. M. Khalifeh | Accepted in The European Physical Journal - Applied Physics . | | | 2005 |
| | N. T. Shawagfeh and J. M. Khalifeh | phys. stat. | sol. (c), 1(7) , 1765-1768 | | 2004 |
| | N. T. Shawagfeh and J. M. Khalifeh | phys. stat | sol. (c), 1(7) , 1760-1764 | | 2004 |
| | J. H. Asad, R. S. Hijjawi, A. Sakaji and J. M. Khalifeh | Int. J. Theor. Phys | 43(11) , 2223-2235 | | 2004 |
| | R. S. Hijjawi, J. H. Asad, A. Sakaji and J. M. Khalifeh | Int. J. Theor. Phys | 43(11), 2299-2309 | | 2004 |
| | A. J. Sakaji, N. T. Shawagfeh and J. M. Khalifeh | Academic Open Internet Journal | 11 | | 2004 |
| | A. J. Sakaji, J. M. Khalifeh and R. S. Hijjawi | Academic Open Internet Journal | 12, 1-15 | | 2004 |
| | A. Sakaji, J. H. Asad, R. S. Hijjawi, and J. M. Khalifeh | Electronic J. Theor. Phys | 3 | | 2004 |
| | M.A. Abbadi; I.I. Al-Qasir and J.J. Khalifeh | Int. J. Theor. Phys | 42(7), 1629-1639. | | 2003 |
| | B.A. Hamad; J.M. Khalifeh and C. Demangeat | Surface Science | 525(1), 100-106 | | 2003 |
| | B.A.Hamad; J.M. Khalifeh and C. Demangeat | Surface Physics | 542(3), 230-234 | | 2003 |
| | B.A. Hamad and J.M. Khalifeh | J.Phys. : Condens. Matter | 15(34), 5821-5828 | | 2003 |
| | B. A. Hamad and J, M. Khalifeh | J. Phys.: Condens. Matter | 15 , 8157-8163 | | 2003 |
| | B. A. Hamad and J. M. Khalifeh | Physica B: Condensed Matter ( Amsterdam , Netherlands ) | 321(1-4), 217-221 | | 2002 |
| | Mohammed, Y. Sh. Hamad, A. B. and Khalifeh, J | Physica B: Condensed Matter ( Amsterdam , Netherlands ) | 321(1-4), 213-216. | | 2002 |
| | Khalifeh, J. M.; Hamad, B. A | ”. Physica B: Condensed Matter ( Amsterdam , Netherlands ) | 321(1-4), 230-233. | | 2002 |
| | N. T. Shawagfeh and J. M. Khalifeh | Physica B: Condensed Matter ( Amsterdam , Netherlands ) | 321(1-4), 222-229 | | 2002 |
| | Hamad, B. A.; Khalifeh, J. M.; Demangeat, C | Surface Science | 516(1-2), 69-73. | | 2002 |
| | A. Sakaji, R. S. Hijjawi, N. Shawagfeh, and J.M. Khalifeh | J. Math. Phys | 43(1),1-8 | | 2002 |
| | A. Sakaji, R. S. Hijjawi, N. Shawagfeh, and J.M. Khalifeh | Int. J. Theor. Phys | 41(5),973-983 | | 2002 |
| | Y. Sh. Mohammed and J. M. Khalifeh | Phys.Stat. Solidi(b ): Basic Research | 233(3), 530-535 | | 2002 |
| | B. A. Hamad, T. Khajil, and J. M.Khalifeh | European Physical Journal B: Condensed Matter Physics | 29(3), 497-501 | | 2002 |
| | S. Elayyan, M. Hussein, B. A. Hamad and J. M. Khalifeh | Al-Magallat Al-Urduniyyat Lil-Ulum Al-Tatbiqiyyat, Al-Ulum Al-Tabiiyyat | 4(1), 55-64 | | 2002 |
| | R. S. Hijjawi and J.M. Khalifeh | Int. J. Theor. Phys | 41(9),1769-1780 | | 2002 |
| | B. A. Hamad and J. M. Khalifeh | Journal of Physics: Condensed Matter | 13 (4): 573-578 | | 2001 |
| | B. A. Hamad and J. M. Khalifeh | Surface Science | 481(1-3), 33-38. | | 2001 |
| | B. A. Hamad, J. M. Khalifeh, and C. Demangeat | Surface Science | 481(1-3), 119-123 | | 2001 |
| | B. A. Hamad and J. M. Khalifeh | Surface Science | 492(1-2), 161-166. | | 2001 |
| | J. M. Khalifeh and C. Demangeat | Surface Science | 492(3), 235-242. | | 2001 |
| | M. A. Abbadi, N. M. Bani-Hani, and J. M. Khalifeh | International Journal of Theoretical Physics | 40(11), 2053-2066 | | 2001 |
| | M. A. Abbadi, N. M. Bani-Hani, and J. M. Khalifeh | Mutah Lil-Buhuth Wal-Dirasat | 16,2,69-88 | | 2001 |
| | J. M. Khalifeh and T. M. Khajil | Surface Science | 469(2-3), 118-126 | | 2000 |
| | B. A. Hamad and J. M. Khalifeh | Surface Science | 470(1-2), 149-154. | | 2000 |
| | | JMMM | 185 | | 1998 |
| | K.M. Khan, J.Khalifeh, K. Yaldram, H.A. Khan | J.Chem. Phys | 106 | | 1997 |
| | | JMMM | 168 | | 1997 |
| | T. Khajil and J. Khalifeh | ”,Surf.Sci | 389 | | 1997 |
| | D. Homouz and J. Khalifeh | JMMM | 153 | | 1996 |
| | | JMMM | 159 | | 1996 |
| | O. Elmouhssine, M. Freyss, P. Kruger, J. C. Parlebas, C. Demangeat, J. Khalifeh, A. Vegas and Mokrani | JMMM | 156 | | 1996 |
| | H. Dreysse, A. Vega, D. Stoeffler, J. Khalifeh and C. Demangeat | Surfaces,Vacuum , and their Applications | 378 | | 1996 |
| | م. عبدالله و ض. عرفة و ج. خليفة | عمان ، دار المناهج | | | 1995 |
| | H. Nait - Laziz , H. Dreyssé, C, Demangeat, J. Khalifeh | JMMM | 148 | | 1995 |
| | B. Shadid and J. Khalifeh | J.Phys. : Condens. Matter | 2 | | 1990 |
| | | Phil . Mag | B 58 | | 1988 |
| | | J. Phys. F: Metal Phys | 18 | | 1988 |
| | ج. خليفة و ع. أبو الهيجاء | مجلة جامعة دمشق | 123 | | 1988 |
| | A. J. Abu El-Haija, K. A. Saleh, D. E. Arafeh, N.A. Halim, J. Khalifeh, and N. S. Saleh | JRNC | 120 | | 1988 |
| | | Phys. Stat. Sol | (a), 106 | | 1988 |
| | N. S. Saleh, K. A. Al-Saleh, A. J. Abu El-Haija, N. A. Halim and J. M. Khalifeh | Int. J. Appl. rad. Isot | 39 | | 1988 |
| | | Dirasat | Vol XV | | 1988 |
| | | Egyp. J. Sol | 9 | | 1987 |
| | Z. Badirkhan and J. Khalifeh | Phys. Stat. Sol | (b) 143 | | 1987 |
| | A. J. Abu El-Haija, K. A. Saleh, D. E. Arafeh, N.A. Halim, M. R. Kamal, J. Khalifeh and N.S. Saleh | Mater. Sci. Eng | 95 | | 1987 |
| | | Appli. Phys. Comm. | 7 | | 1987 |
| | Z.Bdirkhan, J.Khalifeh and C.Demangeat | ”, J. Less-Comm. Met. 130 (1987) 275 ; and Int. Symp. on the Prop. and Appl. of Metal hydrogen, V, Maubuisson , France | | | 1986 |
| | J. Khalifeh, G. Moraitis and C. Demangeat | Egyp. J. Solids | 7 | | 1985 |
| | | Proc. Int. Symp. on Electronic Structure of Metals and Alloys, Technische Universitat, Dresden | | | 1985 |
| | | Phys. Chem. Sol. State : Application to Metal and their compounds ed. P. Lacombe | | | 1984 |
| | J. Khalifeh, G. Moraitis and C. Demangeat | Phil. Mag | B46 | | 1984 |
| | | J. Less-Comm. Met | 101 | | 1984 |
| | | Jena , Satterthwaite (New-York), Pelnum | | | 1983 |
| | J. Khalifeh, G. Moraitis and C. Demangeat | Phys. Lett | A93 | | 1983 |
| | J. Khalifeh and C. Demangeat | Phil. Mag | B 47 | | 1983 |
| | | Phys. Stat. Sol | (b) 120 | | 1983 |
| | G. Moriaittis, J. Khalifeh and C. Demangeat | 3e Reunion Generale de la Division Matiere Condensee de 1 EPS, Lausanne | | | 1983 |
| | J. Khalifeh, G. Moraitis, M. A. Khan and C. Demageat | International Meeting on Hydrogen in Metals, Wroclaw | | | 1983 |
| | J. Khalifeh, G. Moraitis and C. Demangent | J. Less. Comm. Met | 85 | | 1982 |
| | | J. Phys | 43 | | 1982 |
| | | ”, Rapport CECAM , Paris | 44-49 | | 1982 |
| | | Paris | | | 1982 |
| | M. A. Khan, J. Khalifeh, J. C. Parlebas and C. Demangeat | Paris | 503-508 | | 1982 |
| | J. Khalifeh, and C. Demangeat | Grenoble | | | 1982 |
| | J. Khalifeh, F. Gautier | Phil Mag | B46 | | 1982 |
| | M. A. Khan, J. Khalifeh and C. Demangent | Phys. lett | 83A | | 1981 |
| | B. Shadid, J. Khalifeh and C. Demangeat | Conference Metal-Hydrogen systems, Stuttgart , 4-9 Sept. (1988) B. Shadid and J. Khalifeh, 2nd Conf. on Condensed Matter (1989) Amman | | | |
| | B. Al-Qasem, B. A. Hamad and J. M. Khalifeh | J.Phys. Eur.B, accepted | | | |
| | G. I. Ameereh, B. A. Hamad and J. M. Khalifeh | Physica B, accepted | | | |
| | A.A. Ramanathan, J.M. Khalifeh and B.A. Hamad | JMMM, accepted | | | |
