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Dr. Badreddine Smiri | Experimental Methods | Best Researcher Award

Dr. Badreddine Smiri, CEA Grenoble, France

Dr. Badreddine Smiri is a Postdoctoral Researcher at CEA Grenoble, working in collaboration with LMGP, LTM, and Leti as part of the Labex MINOS project. His research focuses on material characterization in diverse fields, such as 2D materials, phase-change memory (PCM), Fully Depleted Silicon On Insulator (FDSOI) technology (SiGe), and power electronics (GaN). He is skilled in various characterization techniques, including Photoluminescence (PL), Fourier Transform Infrared Spectroscopy (FTIR), Raman Spectroscopy, X-ray Diffraction (XRD), Atomic Force Microscopy (AFM), X-ray Fluorescence (XRF), Scanning Electron Microscopy (SEM), and X-ray Photoelectron Spectroscopy (XPS). Additionally, Dr. Smiri is proficient in programming languages such as MATLAB, Python, and LabVIEW, and has experience with tools like Labspec, Zemax, and Origin.

PROFILE

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Education

Dr. Smiri earned his Ph.D. in Physics of Materials from the Laboratoire de Micro-Optoélectroniques et Nanostructures, Tunisia (2016-2019), where his dissertation focused on the optoelectronic properties of III-V semiconductor heterostructures. He also holds a Master’s degree in Materials and Nanostructures (2014-2016) with distinction, concentrating on the modeling and characterization of electrical properties of III-V heterostructures for photovoltaic applications. Additionally, Dr. Smiri has undergone multiple safety and technical training, including electrical safety, chemical risk management, laser safety, cryogenics, and cleanroom fabrication.

Research Interest 

Dr. Smiri’s research interests include the characterization of advanced materials, such as 2D materials, semiconductor heterostructures, quantum wells, quantum dots, and novel optoelectronic materials. His expertise spans optoelectronics, nanostructures, microelectronics, and power electronics, with a particular focus on enhancing the performance of materials used in optoelectronic devices and nanotechnology.

Professional Experience

Since 2022, Dr. Smiri has been a postdoctoral researcher at CEA Grenoble, specializing in optical metrology for micro/nanoelectronics. His work involves structural and optical characterizations (Raman, XRD, PL, SEM, AFM, XPS, XRF) and monitoring the stability of measurement equipment. He also performs in/ex-situ material characterizations (GaN, InGaAs, MoS2, GaSe) and contributes to the continuous improvement of Raman-related products. Prior to his current role, Dr. Smiri served as an Attaché Temporaire d’Enseignement et de Recherche (ATER) at INSA Toulouse (2020-2022), where he conducted research on semiconductor structures for next-generation optoelectronic and electronic devices. Additionally, he held a short-term postdoctoral position at the Laboratory of Micro-Optoelectronics and Nanostructures, Tunisia (2020), focused on the optical and electronic properties of III-V and II-VI semiconductors. Earlier in his career, Dr. Smiri managed photoluminescence characterization as a doctoral researcher, where he oversaw optical characterization activities for semiconductor materials.

TOP NOTABLE PUBLICATIONS

“Correlation of crystal structure and optical properties of Ba₀.₉₇Nd₀.₀₂₆₇Ti(₁₋ₓ)WₓO₃ perovskite”

Authors: Z. Raddaoui, B. Smiri, A. Maaoui, J. Dhahri, R. M’ghaieth, N. Abdelmoula, …

Journal: RSC Advances, Vol. 8, Issue 49, pp. 27870-27880 (2018)

Citation Count: 39

Details: This study investigates the correlation between the crystal structure and optical properties of Ba₀.₉₇Nd₀.₀₂₆₇Ti(₁₋ₓ)WₓO₃ perovskite materials. It explores how modifications in the composition affect the structural, dielectric, and photoluminescent properties, offering insights into potential applications in electronic devices.

“Raman spectra, photoluminescence, and low-frequency dielectric properties of Ba₀.₉₇La₀.₀₂Ti₁₋ₓNb₄ₓ/₅O₃ (x = 0.00, 0.05) ceramics at room temperature”

Authors: M. Jebli, N. Hamdaoui, B. Smiri, S. Rabaoui, Z. Raddaoui, J. Dhahri, L. Beji, …

Journal: Journal of Materials Science: Materials in Electronics, Vol. 31, pp. 15296-15307 (2020)

Citation Count: 24

Details: The research focuses on the Raman spectra, photoluminescence, and dielectric properties of doped BaTiO₃ ceramics. By examining structural and optical changes under doping conditions, it assesses the suitability of these ceramics for electronic applications.

“Optical and structural properties of In-rich InₓGa₁₋ₓAs epitaxial layers on (1 0 0) InP for SWIR detectors”

Authors: B. Smiri, M.B. Arbia, D. Ilkay, F. Saidi, Z. Othmen, B. Dkhil, A. Ismail, E. Sezai, …

Journal: Materials Science and Engineering: B, Vol. 262, Article No. 114769 (2020)

Citation Count: 21

Details: This paper presents the study of In-rich InₓGa₁₋ₓAs epitaxial layers grown on InP substrates, focusing on their optical and structural properties for short-wavelength infrared (SWIR) detectors. The findings contribute to the optimization of materials for advanced detector technologies.

“Effect of piezoelectric field on type II transition in InAlAs/InP (311) alloys with different substrate polarity”

Authors: B. Smiri, I. Fraj, F. Saidi, R. Mghaieth, H. Maaref

Journal: Journal of Alloys and Compounds, Vol. 736, pp. 29-34 (2018)

Citation Count: 17

Details: This study explores the impact of piezoelectric fields on the optical properties of InAlAs/InP heterostructures, examining how substrate polarity affects the electronic transitions in the material. The work has implications for the design of optoelectronic devices.

“Raman scattering and red emission of Mn⁴⁺ in La₀.₇Sr₀.₂₅Na₀.₀₅Mn₀.₇Ti₀.₃O₃ manganite phosphor for LED applications”

Authors: Z. Raddaoui, S. El Kossi, B. Smiri, T. Al-Shahrani, J. Dhahri, H. Belmabrouk

Journal: RSC Advances, Vol. 10, Issue 40, pp. 23615-23623 (2020)

Citation Count: 16

Details: This research investigates the red emission and Raman scattering properties of Mn⁴⁺ doped manganite phosphors. The study is focused on the development of materials for LED applications, providing insights into the structural and optical behavior of the phosphor.

“Carriers’ localization and thermal redistribution in InAlAs/InP grown by MOCVD on (311) A-and (311) B-InP substrates”

Authors: B. Smiri, T. Hidouri, F. Saidi, H. Maaref

Journal: Applied Physics A, Vol. 125, Article No. 1-6 (2019)

Citation Count: 13

Details: This paper discusses the localization and thermal redistribution of carriers in InAlAs/InP heterostructures grown on different substrates. It provides valuable insights into the material’s properties for high-performance optoelectronic applications.

“Development of an impedimetric sensor based on carbon dots and chitosan nanocomposite modified electrode for Cu(II) detection in water”

Authors: M. Echabaane, S. Hfaiedh, B. Smiri, F. Saidi, C. Dridi

Journal: Journal of Solid State Electrochemistry, Vol. 25, Issue 6, pp. 1797-1806 (2021)

Citation Count: 11

Details: This work focuses on the development of an impedimetric sensor using a carbon dots and chitosan nanocomposite to detect Cu(II) ions in water. It contributes to the advancement of sensitive and efficient sensors for environmental monitoring.

“Comparative optical studies of InAlAs/InP quantum wells grown by MOCVD on (311) A and (311) B InP planes”

Authors: B. Smiri, F. Saidi, A. Mlayah, H. Maaref

Journal: Journal of Materials Science: Materials in Electronics, Vol. 31, pp. 10750-10759 (2020)

Citation Count: 9

Details: This research presents a comparative study of the optical properties of InAlAs/InP quantum wells grown on different planes, providing insights into the effect of substrate orientation on quantum well behavior, with implications for optoelectronic device performance.

Dr. Badreddine Smiri | Experimental Methods | Best Researcher Award