1. "Raman Spectroscopy of Armchair phosphorene nanotube". Nadah Nabil, Mourad Boutahir, Brahim Fakrach, Abdelhai Rahmani, Hassane Chadli and Abdelali Rahmani. The 1st International Congress on Pure and Applied Sciences (ICPAS 21), Jun 23-25, 2021 Faculty of Sciences, Meknes-Morocco.
2. "Mechanical metamaterials with tensile-torsion coupling effects". Barhoumi Abderrahim, Lemkalli Brahim, Achaoui Younes, Abdelhai Rahmani and Abdelali Rahmani. The 1st International Congress on Pure and Applied Sciences (ICPAS 21), Jun 23-25, 2021 Faculty of Sciences, Meknes-Morocco.
3. "Charges Transfer in Bithiophene Encapsulated in Single Walled Boron Nitride Nanotube Using Infrared Spectroscopy". El ouardi oumaima, Hassane Chadli, Brahim Fakrach, Abdelhai Rahmani and Abdelali Rahmani. The 1st International Congress on Pure and Applied Sciences (ICPAS 21), Jun 23-25, 2021 Faculty of Sciences, Meknes-Morocco.
4. "Vibrational study of Bithiophene encapsulated in Single Wall Carbon Nanotube Using the Infrared Calculations". J. Chenouf, M. Boutahir, B. Fakrach, A.H. Rahmani, H. Chadli and A. Rahmani. The 1st International Conference on Innovative Research in Applied Science, Engineering and Technology (IRASET) March 19-20, 2020 Faculty of Sciences, Meknes-Morocco.
5. "Vibrational Properties of Single Wall Carbon Nanotubes inside Boron nitride Nanotubes using Raman spectroscopy", A. M. Nassir, M. Boutahir, F. Fergani, B. Fakrach, AH. Rahmani, H. Chadli, A. Rahmani. The 1st International Conference on Innovative Research in Applied Science, Engineering and Technology (IRASET March 19-20, 2020 Faculty of Sciences, Meknes-Morocco.
6. "Force constant model and Non-resonant Raman calculations of Black Phosphorene"; Oussama Boutahir, Souhail Lakhlifi, Mourad Boutahir, Brahim Fakrach, Abdelhai Rahmani, Hassane Chadli and Abdelali Rahmani; International Conference on Advanced Materials, Nanosciences and Applications (ICAMANA’19) December 10-13, 2019, Oujda, Morocco
7. "Vibrational and electronic properties of hBN". B. Fakrach, O. Boutahir, AH. Rahmani, M. Boutahir, H. Chadli, A. Rahmani. International Conference on Advanced Materials, Nanosciences and Applications (ICAMANA'19) December 10-13, 2019, Oujda, Morocco.
8. "Charges Transfer in Bithiophene encapsulated in Single Wall Carbon Nanotube Using Theoretical Infrared Spectra". J. Chenouf, M. Boutahir, B. Fakrach, A.H. Rahmani, H. Chadli and A. Rahmani. International Conference on Advanced Materials, Nanosciences and Applications (ICAMANA 2019) December 10-13, 2019, Oujda, Morocco.
9. "Infrared active modes in finite and infinite hBN". B. Fakrach, O. Boutahir, M. A. Nassir, M. Boutahir, AH. Rahmani, H. Chadli and A. Rahmani. International Conference on Advanced Materials, Microscopy and Energy (ICAMME'19) April 15-19, 2019, Meknes, Morocco.
10. "Vibrational properties of black phosphorene : Raman study". O. Boutahir, M. Boutahir, B. Fakrach, AH. Rahmani, H. Chadli and A. Rahmani. International Conference on Advanced Materials, Microscopy and Energy (ICAMME'19) April 15-19, 2019, Meknes, Morocco.
11. "NANOMD software for molecular dynamics study of nanomaterials". M. A. Nassir, M. Boutahir, B. Fakrach, AH. Rahmani, H. Chadli and A. Rahmani. International Conference on Advanced Materials, Microscopy and Energy (ICAMME'19) April 15-19, 2019, Meknes, Morocco.
12. "Raman analysis of sexithiophene encapsulated inside single-walled carbone nanotubes". Chenouf Jamal, Boutahir Oussama, Boutahir Mourad, Fakrach Brahim, Rahmani Abdelhai, Hassane Chadli and Rahmani Abdelali. International Conference on Advanced Materials, Microscopy and Energy (ICAMME'19) April 15-19, 2019, Meknes, Morocco.
13. "Raman analysis of graphene/PANI nanocomposites for photovoltaic". Mourad Boutahir, Chenouf Jamal, Fakrach Brahim, Rahmani Abdelhai, Hassane Chadli and Abdelali Rahmani. AI2SD'18 Advanced Intelligent Systems for Sustainable Development. 12-14 jully 2018 FST Tangier, Tangier-Morocco.
14. "Encapsulation of quarter-thiophene in single-walled carbon nanotubes: Raman analysis". Chenouf Jamal, Mourad Boutahir, Fakrach Brahim, Rahmani Abdelhai, Hassane Chadli and Abdelali Rahmani. N@NO’2018 the 1st International online conference on nanoscience and nanotechnology. 29-30 December 2018.
15. "Non resonant raman spectra of individual dimers of single-walled carbon nanotubes". AH. Rahmani, M. Boutahir, B. Fakrach, H. Chadli and A. Rahmani. ICOME'18 International Conference On Materials And Energy. 30 april-04 may 2018 San Sebastian, Espagne.
16. "Wall Thikness Effects on the Infrared Spectra of Multi-Walled Carbon Nanotubes". M. Boutahir, AH. Rahmani, B. Fakrach, H. Chadli and A. Rahmani. ICOME'18 International Conference On Materials And Energy. 30 april-04 may 2018 San sebastian Espagne.
17. "Identification of mono- and few-layer graphene films : Raman studies". Boutahir mourad, Bashiru B. Balogun, Joana C.R.E. Oliveira, Celia T. Sousa, Joÿo P. AraÃojo, Rahmani Abdelhai, Chadli Hassan, Rahmani Abdelali. 2nd International Symposium on Physics of Data Storage October 31-November 02, 2017. Meknes, Morocco.
18. "Theoretical study of Raman active modes in fullerenes C60 and C70 inside single-wall boron nitride nanotubes". B. Fakrach, M. Boutahir, F. Fergani, AH. Rahmani, H. Chadli and A. Rahmani. 2nd International Symposium on Physics of Data Storage October 31-November 02, 2017. Meknes, Morocco.
19. "Vibrational Properties of Single-Wall BN-Nanotubes inside Carbon Nanotubes using IR spectroscopy". H. Boughaleb, A. M. Nassir, M. Boutahir, AH. Rahmani, B. Fakrach, H. Chadli and A. Rahmani. 2nd International Symposium on Physics of Data Storage October 31-November 02, 2017. Meknes, Morocco.
20. "Vibrational Properties Of Boron Nitride Nanotubes With Mono, Di And Tri-Vacancies Defects". A. Ait Abdelkader, M. Boutahir, AH. Rahmani, B. Fakrach, H. Chadli, M. Bentaleb and A. Rahmani. 2nd International Symposium on Physics of Data Storage October 31-November 02, 2017. Meknes, Morocco.
21. "Ab-initio study of emeraldine base polyaniline using infrared spectroscopy : experimental and theoretical approach". Boutahir Mourad, Bashiru B. Balogun, Joana C.R.E. Oliveira, Celia T. Sousa, Paula Quiterio, Joÿo P. AraÃojo, Rahmani Abdelhai, Rahmani Abdelali. IJUP 2017. 8-10 fevrier 2017. Porto, Portugal.
22. "Raman active modes of Single-Wall Boron nitride nanotubes inside Carbon nanotubes". AH. Rahmani, M. Boutahir, B. Fakrach, H. Chadli and A. Rahmani. 27th International conference on diamond and carbon materials 4-8 september 2016, Montpellier, France.
23. "Raman spectra of C60 confined inside a single-wall boron nitride nanotubes". B. Fakrach, AH. Rahmani, M. Boutahir, S. Ait Abdelkader, H. Chadli, A. Rahmani. 27th International conference on diamond and carbon materials 4-8 september 2016, Montpellier, France.
24. "Vibrational properties of single wall carbon nanotube with Mono and Bi-vacancies defects". S. A. AIT ABDELKADER, M. BOUTAHR, AH. RAHMANI, M. BENTALB, H.CHADLI, B.FAKRACH and A.RAHMANI. COFMER022 Colloque franco-marocain sur les Energies Renouvelables et leur intégration aux réseaux de transport et de distribution 25-27 octobre 2016 Université Sidi Mohamed Ben Abdellah - Fès. Maroc.
25. "Vibrational Properties of Noncovalently Bithiophene-Functionalized Graphene Nanomaterials". Mourad Boutahir, Sidi Abdelmajid Ait Abdelkader, Abdelhai Rahmani, Brahim Fakrach, Hassane Chadli and Abdelali Rahmani. 4rd International Renewable and Sustainable Energy Conference (IRSEC) Marrakech Morocco. 14-17 novembre 2016 Marrakech morocco.
26. "Theoretical infrared phonon modes and Band-Gap calculations of a Bundle of two single walled carbon nanotubes", AH. Rahmani, M. Boutahir, B. Fakrach, H. Chadli and A. Rahmani, International Conference on MATERIALS & ENERGY (ICOME’16), 17-20 May, 2016 La Rochelle France.
27. "Electronic properties of phosphorene nanoribbons", M. Boutahir, AH. Rahmani, S. EL Majdoub, B. Fakrach, H. Chadli and A. Rahmani, International Conference on MATERIALS & ENERGY (ICOME’16), 17-20 May, 2016 La Rochelle France.
28. "Infrared spectrum of a bundle of two single walled carbon nanotubes", AH. Rahmani, M. Boutahir, B. Fakrach, H. Chadli, L. Boulmane and A. Rahmani, 9éme Journée d’Optique et de Traitement de l’Information (JOTIM’2016) 04 et 05 Mai 2016 à Errachidia Maroc.
29. "Coupled modes in double-walled BN@C nanotubes", AH. Rahmani, M. Boutahir, B. Fakrach, H. Chadli, and A. Rahmani, Première Journée Matériaux Avancées : Etudes, Applications et Perspectives ENSAM, 29 Décembre 2015, Meknès, Maroc.
30. "Raman-active modes of Single-Wall Boron nitride nanotubes inside Carbon nanotubes", AH. Rahmani, M. Boutahir, B. Fakrach, H. Chadli, and A. Rahmani, 1st International Symposium on Physics of Data Storage (ISPDS-1) and memory effects, 17-19 December, 2015, University of Picardy, Amiens (France).
31. "Electronic and vibrational properties of dimer of single-wall carbon nanotubes". M. Boutahir, AH. Rahmani, H. Chadli, and A. Rahmani, 3rd International Renewable and Sustainable Energy Conference (IRSEC), December 10-13, 2015, Marrakech and Ouarzazate, Morocco.
32. "Vibrational properties of noncovalently oligothiophene functionalized graphene material". M. Boutahir, AH. Rahmani, H. Chadli, and A. Rahmani, 3rd Euro-Mediterranean Conference on Materials and Renewable Energies" (EMCMRE-3), Nov 2-6, 2015, Marrakech, Morocco.
33. "Vibrational properties of BNNT@CNT double-walled nanotubes", AH. Rahmani, M. Boutahir, B. Fakrach, H. Chadli and A. Rahmani. International Conference on Materials & Energy (ICOME’15), 19-22 May, 2015 Tetouan, Morocco.
34. "Mechanical Coupled Vibrations in an individual Double-Walled Carbon Nanotubes", M. Boutahir, AH. Rahmani, H. Chadli and A. Rahmani. International Conference on MATERIALS & ENERGY (ICOME’15), 19-22 May, 2015 Tetouan, Morocco.
35. "Calculation of Raman-active modes in boron nitride peapods", B. Fakrach, M. Boutahir, S. Ait Abdelkader, H. Chadli, AH. Rahmani, A. Rahmani and K. Sbai. International Conference on Materials & Energy (ICOME’15), 19-22 May, 2015 Tetouan, Morocco.
36. "Infrared spectrum of Multi-walled carbon nanotube", AH. Rahmani, B. Fakrach, M. Boutahir, K. Sbai, H. Chadli and A. Rahmani. 5th International Congress on Physics of Radiation-Matter Interactions (PIRM-V), 5-7 May 2015, Faculty of Sciences. Chouaïb Doukkali University El Jadida Morocco.
37. "Vibrational properties of thiophene molecules adsorbed at the surface Graphene", M. Boutahir, AH. Rahmani, H. Chadli and A. Rahmani. 5th International Congress on Physics of Radiation-Matter Interactions (PIRM-V), 5-7 May 2015, Faculty of Sciences. Chouaïb Doukkali University El Jadida Morocco.
38. "Infrared spectrum of double walled carbon nanotubes", AH. Rahmani, H. Chadli, B. Fakrach and A. Rahmani. First International Workshop on Advanced Materials and Energy. Applications, 7-8 May, 2014, Faculty of Sciences Meknes, Morocco.
39. "Raman spectrum of C60 inserted inside double walled carbon nanotubes", H. Chadli, AH. Rahmani, B. Fakrach and A. Rahmani. First International Workshop on Advanced Materials and Energy Applications 7-8 May, 2014, Faculty of Sciences Meknes, Morocco.
40. "Services électroniques en ligne dans le cadre du projet E-Gov”, A. Rahmani. Séminaire organisé par l’équipe de recherche : Médiation en Lettre et Sciences Humaines, Faculté des Lettres Meknès 2 et 3 Juin 2010.
41. "Système National de la Recherche Scientifique (SNRS)",A. Rahmani. Conférence présentée à la faculté des Sciences Meknés, à l’occasion de la journée des sciences, organisée par de l’Association des Jeunes Chercheurs de la Région Meknès-Tafilalt le 26 décembre 2003.
42. "Moroccan Policy in Science and Technology realizations and prospects", A. Rahmani. Conférence présentée à l’Agence Coréenne de la Coopération Internationale KOICA, le 19 septembre 2003 à Séoul, Corée du sud.
43. "Comparaison : fluorescence X à dispersion d'énergie (ED-XRF) et à dispersion de longueur d'onde (WD-XRF) - Application aux échantillons de sols et de sédiments", A. Rahmani, F. Benyaïch, M. Bounakhla, E. Bilal, J. Moutte, J. J. Gruffat et F. Zahry. Deuxième rencontre : Colloque RX 2001 - Rayons & matière -, 4-7 décembre 2001, Strasbourg – France.
44. "Analyse par fluorescence X et ICP-AES des métaux lourds dans les sédiments et les sols irrigués par les eaux de l'Oued Boufekrane (Meknès, Maroc)" A. Rahmani, F. Benyaïch, M. Bounakhla, E. Bilal, J. Moutte, J. J. Gruffat, F. Zahry, L. Torrisi. Deuxième Rencontre Franco-Marocaine de Physique Nucléaire, Faculté des Sciences El Jadida Maroc, 25 - 28 octobre 2001.
45. "Participation mantéllique dans la genèse des granitoïdes du batholite composite de Saghro (Anti-Atlas Oriental, Maroc)". A. Sâadane, M. El Wartiti, M. Bounakhla, F. Benyaïch, A. Rahmani. Deuxième colloque international : Magmatisme, Métamorphisme et Minéralisation Associées. Marrakech 10-12 Mai 2001.
46. "Elemental analysis of Moroccan magmatic rocks using ED-XRF", A. Rahmani, M. Bounakhla, F. Benyaïch, A. Sâadane, VIIémes Journées Maghrébines des Sciences des Matériaux, 20-21 Septembre 2000 Kénitra.
47. "Analyse par fluorescence X à dispersion d’énergie des sols et des sédiments le long de l’oued Boufekrane", A. Rahmani, M. Bounakhla, F. Benyaïch. Troisième Rencontre National des Jeunes Chercheurs en Physique, Casablanca 2000.
48. "Calibration et sensibilité des spectromètres à fluorescence X du Centre National de l'Energie des Sciences et des Techniques Nucléaires", A. Rahmani, M. Bounakhla, F. Benyaïch, Première Rencontre Marocaine de Spectroscopie et d'Optique, 10 juin 2000 Casablanca.
49. "Caractérisation par la fluorescence X de matériaux d'intérêt géologique", A. Rahmani, F. Benyaïch, M. Bounakhla, A. Sâadane, Journées Matériaux Sciences, Technologies et Applications, 1 et 2 Octobre 1999, Meknés.
50. "Description d’un programme informatique pour l’analyse automatique des spectres de fluorescence X ", A. Rahmani, A. Makhtari et F. Benyaïch, Deuxième Rencontre National des Jeunes Chercheurs en Physique, Casablanca 1997.