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Andelic, M., Pofelski, A., Koelling, S., Assali, S., Luo, L., Moutanabbir, O., & Botton, G. (2023, April). Local bandgap measurment of core/shell Ge/GeSn nanowires employing electron energy loss spectroscopy in scanning tramission electron microscopy [Paper]. MRS Spring Meeting, San Francisco, California. Unavailable
Attiaoui, A., Assali, S., Luo, L., Daligou, G., Atala, M., Koelling, S., & Moutanabbir, O. (2022, July). Group-IV GeSn nanophotonics [Paper]. IEEE Photonics Society Summer Topicals Meeting Series (SUM 2022), Cabo San Lucas, Mexico (2 pages). External link
Atalla, M. R. M., Assali, S., Koelling, S., Attiaoui, A., & Moutanabbir, O. (2022). High-Bandwidth Extended-SWIR GeSn Photodetectors on Silicon Achieving Ultrafast Broadband Spectroscopic Response. ACS Photonics, 9(4), 1425-1433. External link
Assali, S., Attiaoui, A., Vecchio, P. D., Mukherjee, S., Nicolas, J., & Moutanabbir, O. (2022). A Light-Hole Germanium Quantum Well on Silicon. Advanced Materials, 34(27), e2201192 (11 pages). External link
Atalla, M., Assali, S., Koelling, S., Daligou, G., Attiaoui, A., Luo, L., Lemieux-Leduc, C., Abdi, S., & Moutanabbir, O. (2022, May). Mid-infrared silicon-integrated high-bandwidth GeSn PIN photodetectors and LEDs [Paper]. Conference on Lasers and Electro-Optics (CLEO 2022), San José, CA, USA (2 pages). Unavailable
Abdi, S., Assali, S., Atalla, M. R. M., Koelling, S., Warrender, J. M., & Moutanabbir, O. (2022). Recrystallization and interdiffusion processes in laser-annealed strain-relaxed metastable Ge0.89Sn0.11. Journal of Applied Physics, 131(10), 105304 (9 pages). External link
Atalla, M. R. M., Assali, S., Attiaoui, A., Lemieux-Leduc, C., Kumar, A., Abdi, S., & Moutanabbir, O. (2021). All-Group IV Transferable Membrane Mid-Infrared Photodetectors. Advanced Functional Materials, 31(3), 9 pages. External link
Atalla, M. R. M., Assali, S., Attiaoui, A., Lemieux-Leduc, C., Kumar, A., Abdi, S., & Moutanabbir, O. (2021, May). GeSn membrane mid-infrared photodetectors [Paper]. Conference on Lasers and Electro-Optics (CLEO 2021), San José, CA, USA (2 pages). External link
Assali, S., Dijkstra, A., Attiaoui, A., Bouthillier, É., Haverkort, J. E. M., & Moutanabbir, O. (2021). Midinfrared Emission and Absorption in Strained and Relaxed Direct-Band-Gap Ge1-xSnx Semiconductors. Physical Review Applied, 15(2), 13 pages. External link
Attiaoui, A., Assali, S., Del-Vecchio, P., Nicolas, J., & Moutanabbir, O. (2021, May). Tuning Light-Hole Optical Transition in Highly Tensile Strained Germanium Quantum Wells [Paper]. Conference on Lasers and Electro-Optics (CLEO 2021), San José, CA, USA (2 pages). Unavailable
Assali, S., Attiaoui, A., Atalla, M., Alain, D., Kumar, A., Mukherjee, S., Nicolas, J., Koelling, S., & Moutanabbir, O. (2020, October). Engineering SiGeSn Semiconductors for MIR and THz Opto-electronic Devices [Paper]. ECS Meeting Abstracts. External link
Assali, S., Attiaoui, A., Atalla, M. R. M., Dijkstra, A., Aashish, K., Mukherjee, S., Abdi, S., & Moutanabbir, O. (2020, May). Epitaxial GeSn and its integration in MIR optoelectronics [Paper]. Science and Innovations 2020 (CLEO), Washington, D.C.. External link
Assali, S., Bergamaschini, R., Scalise, E., Verheijen, M. A., Albani, M., Dijkstra, A., Li, A., Koelling, S., Bakkers, E. P. A. M., Montalenti, F., & Miglio, L. (2020). Kinetic Control of Morphology and Composition in Ge/GeSn Core/Shell Nanowires. ACS Nano, 14(2), 2445-2455. External link
Assali, S., Abdi, S., Atalla, M., Attiaoui, A., Bouthillier, É., Del Vecchio, P., Groell, L., Kumar, A., Luo, L., Mukherjee, S., Nicolas, J., & Moutanabbir, O. (2019, October). (Si)GeSn Semiconductors for Integrated Optoelectronics, Quantum Electronics, and More [Abstract]. 236th ECS Meeting, Atlanta, GA. Published in ECS Meeting Abstracts, MA2019-02(25). External link
Assali, S., Attiaoui, A., Bouthillier, É., Del Vecchio, P., Kumar, A., Mukherjee, S., Nicolas, J., & Moutanabbir, O. (2019, May). Germanium-Tin Semiconductors for Silicon-Compatible Mid-Infrared Photonics [Paper]. Conference on Lasers and Electro-Optics, San Jose, California. External link
Assali, S., Albani, M., Bergamaschini, R., Verheijen, M. A., Li, A., Kolling, S., Gagliano, L., Bakkers, E. P. A. M., & Miglio, L. (2019). Strain engineering in Ge/GeSn core/shell nanowires. Applied Physics Letters, 115(11), 5 pages. External link
Abboud, Z., Chagnon, D., Assali, S., Fortin-Deschenes, M., Coia, C., & Moutanabbir, O. (2018, September). Hermetic Wafer-Level Packaging of Microbolometers for Uncooled Thermal Cameras [Abstract]. AiMES 2018 Meeting, Cancun, Mexico. Published in ECS Meeting Abstracts, MA2018-02(29). External link
Attiaoui, A., Assali, S., Nicolas, J., & Moutanabbir, O. (2018, September). Mapping Strain and Composition Effects on Gesn Band Structure Using Spectroscopic Ellipsometry [Abstract]. AiMES 2018 Meeting, Cancun, Mexico. Published in ECS Meeting Abstracts, MA2018-02(31). External link
Assali, S., Nicolas, J., Mukherjee, S., Bouthillier, É., Attiaoui, A., & Moutanabbir, O. (2018, September). Structure and Optoelectronic Properties of Atomically Random Sn-Rich Gesn Semiconductors [Abstract]. AiMES 2018 Meeting, Cancun, Mexico. Published in ECS Meeting Abstracts, MA2018-02(31). External link
Assali, S., Attiaoui, A., Mukherjee, S., Nicolas, J., & Moutanabbir, O. (2018). TEOS layers for low temperature processing of group IV optoelectronic devices. Journal of Vacuum Science & Technology B, 36(6), 8 pages. External link
Assali, S., Lahnemann, J., Vu, T. T. T., Jons, K. D., Gagliano, L., Verheijen, M. A., Akopian, N., Bakkers, E. P. A. M., & Haverkort, J. E. M. (2017). Crystal phase quantum well emission with digital control. Nano Letters, 17(10), 6062-6068. Available
Assali, S., Dijkstra, A., Li, A., Koelling, S., Verheijen, M. A., Gagliano, L., von den Driesch, N., Buca, D., Koenraad, P. M., Haverkort, J. E. M., & Bakkers, E. P. A. M. (2017). Growth and Optical Properties of Direct Band Gap Ge/Ge0.87Sn0.13 Core/Shell Nanowire Arrays. Nano Letters, 17(3), 1538-1544. External link
Assali, S., Greil, J., Zardo, I., Belabbes, A., de Moor, M. W. A., Koelling, S., Koenraad, P. M., Bechstedt, F., Bakkers, E. P. A. M., & Haverkort, J. E. M. (2016). Optical study of the band structure of wurtzite GaP nanowires. Journal of Applied Physics, 120(4). External link
Burt, D., Joo, H.-J., Kim, Y., Jung, Y., Chen, M., Luo, M., Kang, D.-H., Assali, S., Zhang, L., Son, B., Fan, W., Moutanabbir, O., Ikonic, Z., Tan, C. S., Huang, Y.-C., & Nam, D. (2022). Direct bandgap GeSn nanowires enabled with ultrahigh tension from harnessing intrinsic compressive strain. Applied Physics Letters, 120(20), 7 pages. External link
Burt, D., Jooa, H.-J., Kim, Y., Jung, Y., Chen, M., Luo, M., Kang, D.-H., Assali, S., Zhang, L., Son, B., Fan, W., Moutanabbir, O., Ikonic, Z., Tan, C. S., Huang, Y.-C., & Nam, D. (2022, January). Tensile-strained direct bandgap GeSnOI micro/nanostructures by harnessing residual strain [Paper]. Silicon Photonics XVII. External link
Bouthillier, É., Assali, S., Nicolas, J., & Moutanabbir, O. (2020). Decoupling the effects of composition and strain on the vibrational modes of GeSn semiconductors. Semiconductor Science and Technology, 35(9), 9 pages. External link
Bouthillier, É., Assali, S., Nicolas, J., & Moutanabbir, O. (2018, September). Decoupling Strain and Composition Effects on Ge₁₋YSny Lattice Vibrations [Abstract]. AiMES 2018 Meeting, Cancun, Mexico. Published in ECS Meeting Abstracts, MA2018-02(31). External link
Carnio, B. N., Attiaoui, A., Assali, S., Moutanabbir, O., & Elezzabi, A. Y. (2022). Extracting the complex refractive index of an ultrathin layer at terahertz frequencies with no prior knowledge of substrate absorption loss. IEEE Transactions on Terahertz Science and Technology, 12(4), 385-391. External link
Chen, M., Jung, Y., Burt, D., Kim, Y., Joo, H.-J., Zhang, L., Assali, S., Moutanabbir, O., Tan, C. S., & Nam, D. (2022, May). Low-Threshold Lasing in GeSnOI Microdisk Lasers with Reduced Defect Density [Paper]. Conference on Lasers and Electro-Optics (CLEO 2022), San José, CA, USA (2 pages). Unavailable
Carnio, B. N., Attiaoui, A., Assali, S., Moutanabbir, O., Elezzabi, A. Y., Sadwick, L. P., & Yang, T. (2022, January). A method based on complementary transmission and reflection measurements for extracting the optical properties of a thin film [Paper]. Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XV, San Francisco, California, United States. External link
Daligou, G., Assali, S., Attiaoui, A., Bouthillier, É., & Moutanabbir, O. (2022, July). Radiative carrier lifetime in GeSn mid-infrared emitters [Paper]. IEEE Photonics Society Summer Topicals Meeting Series (SUM 2022), Cabo San Lucas, Mexico (2 pages). External link
Groell, L., Attiaoui, A., Assali, S., & Moutanabbir, O. (2021). Combined iodine- and sulfur-based treatments for an effective passivation of GeSn surface. Journal of Physical Chemistry C, 125(17), 9516-9525. External link
Groell, L., Abdi, S., Assali, S., Atalla, M., Attiaoui, A., & Moutanabbir, O. (2020, May). Germanium Tin Surface Passivation and Its Effect on the Optoelectronic Performances [Paper]. 237th ECS Meeting with the 18th International Meeting on Chemical Sensors (IMCS 2020), Montreal, Canada. External link
Greil, J., Assali, S., Isono, Y., Belabbes, A., Bechstedt, F., Valega Mackenzie, F. O., Silov, A. Y., Bakkers, E. P. A. M., & Haverkort, J. E. M. (2016). Optical properties of strained Wurtzite gallium phosphide nanowires. Nano Letters, 16(6), 3703-3709. Available
Joo, H.-J., Kim, Y., Burt, D., Yung, Y., Zhang, L., Chen, M., Parluhutan, S. J., Kang, D.-H., Lee, C., Assali, S., Ikonic, Z., Moutanabbir, O., Cho, Y.-H., Tan, C. S., & Nam, D. (2022, January). 1D photonic crystal GeSn-on-insulator nanobeam laser [Paper]. Silicon Photonics XVII, San Francisco, CA, USA (9 pages). External link
Jung, Y., Burt, D., Zhang, L., Kim, Y., Joo, H.-J., Chen, M., Assali, S., Moutanabbir, O., Tan, C. S., & Nam, D. (2022). Optically pumped low-threshold microdisk lasers on a GeSn-on-insulator substrate with reduced defect density. Photonics Research, 10(6), 6 pages. External link
Joo, H.-J., Kim, Y., Burt, D., Jung, Y., Zhang, L., Chen, M., Parluhutan, S. J., Kang, D.-H., Lee, C., Assali, S., Ikonic, Z., Moutanabbir, O., Cho, Y.-H., Tan, C. S., & Nam, D. (2021). 1D photonic crystal direct bandgap GeSn-on-insulator laser. Applied Physics Letters, 119(20), 201101 (6 pages). External link
Kim, Y., Assali, S., Burt, D., Jung, Y., Joo, H.-J., Chen, M., Ikonic, Z., Moutanabbir, O., & Nam, D. (2022). Enhanced GeSn Microdisk Lasers Directly Released on Si. Advanced Optical Materials, 10(2), 2101213 (7 pages). External link
Kim, Y., Assali, S., Burt, D., Jung, Y., Joo, H.-J., Chen, M., Ikonic, Z., Moutanabbir, O., & Nam, D. (2022, January). Improved GeSn microdisk lasers directly sitting on Si [Paper]. Silicon Photonics XVII, San Francisco, CA, USA (7 pages). External link
Koelling, S., Assali, S., Atalla, M., Kumar, A., Attiaoui, A., Lodari, M., Sammak, A., Scappucci, G., & Moutanabbir, O. (2020, October). (Invited) Probing Semiconductor Heterostructures from the Atomic to the Micrometer Scale [Paper]. SiGe, Ge, and Related Compounds: Materials, Processing, and Devices 9, Honolulu, Hawaii, USA. External link
Koelling, S., Assali, S., Atalla, M., Kumar, A., Attiaoui, A., Lodari, M., Sammak, A., Scappucci, G., & Moutanabbir, O. Probing Semiconductor Heterostructures from the Atomic to the Micrometer Scale [Paper]. SiGe, Ge, and Related Compounds: Materials, Processing, and Devices (PRiME 2020). Published in ECS Transactions, 98(5). External link
Koelling, S., Plantenga, R. C., Hauge, H. I. T., Ren, Y., Li, A., Verheijen, M. A., Conesa Boj, S., Assali, S., Koenraad, P. M., & Bakkers, E. P. A. M. (2016, October). Impurity and defect monitoring in hexagonal Si and SiGe nanocrystals [Paper]. Symposium on SiGe, Ge, and Related Materials: Materials, Processing, and Devices 7 (PRiME 2016)/230th ECS Meeting, Honolulu, HI. Published in ECS Transactions, 75(8). External link
Luo, L., Assali, S., Atalla, M. R. M., Koelling, S., Attiaoui, A., Daligou, G., Martí, S., Arbiol, J., & Moutanabbir, O. (2022). Extended-SWIR Photodetection in All-Group IV Core/Shell Nanowires. ACS Photonics, 9(3), 914-921. External link
Luo, L., Atalla, M. R. M., Assali, S., Koelling, S., Attiaoui, A., & Moutanabbir, O. (2022, November). Photodetection from SWIR to MWIR with Ge/GeSn core/shell nanowires [Paper]. IEEE Photonics Conference (IPC 2022), Vancouver, BC, Canada (2 pages). External link
Mukherjee, S., Assali, S., & Moutanabbir, O. (2021). Atomic Pathways of Solute Segregation in the Vicinity of Nanoscale Defects. Nano Letters, 21(23), 9882-9888. External link
Moutanabbir, O., Assali, S., Gong, X., O'Reilly, E., Broderick, C. A., Marzban, B., Witzens, J., Du, W., Yu, S. Q., Chelnokov, A., Buca, D., & Nam, D. (2021). Monolithic infrared silicon photonics: The rise of (Si)GeSn semiconductors. Applied Physics Letters, 118(11), 110502 (10 pages). External link
Moutanabbir, O., Attiaoui, A., Bouthillier, É., Del Vecchio, P., Kumar, A., Nicolas, J., Mukherjee, S., & Assali, S. (2019, May). Germanium-tin semiconductors : a versatile silicon-compatible platform [Paper]. VII Semiconductor Technology for Ultra Large Scale Integrated Circuits and Thin Film Transistors, Kyoto, Japan. External link
Mukherjee, S., Assali, S., & Moutanabbir, O. (2018). Group IV nanowires for carbon-free energy conversion. Semiconductors and Semimetals, 98, 151-229. External link
Nicolas, J., Assali, S., Mukherjee, S., Lotnyk, A., & Moutanabbir, O. (2020). Dislocation Pipe Diffusion and Solute Segregation during the Growth of Metastable GeSn. Crystal Growth and Design, 20(5), 3493-3498. External link
Singh, S., Mukherjee, S., Mukherjee, S., Assali, S., Luo, L., Das, S., Moutanabbir, O., & Ray, S. K. (2022). Ge-Ge0.92Sn0.08 core-shell single nanowire infrared photodetector with superior characteristics for on-chip optical communication. Applied Physics Letters, 120(17). External link
