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2023 CAP Congress / Congrès de l'ACP 2023

18–23 Jun 2023
University of New Brunswick
America/Halifax timezone
Welcome to the 2023 CAP Congress Program website! / Bienvenue au siteweb du programme du Congrès de l'ACP 2023!

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Session

(DCMMP) W3-3 Light and Matter | Lumière et matière (DPMCM)

W3-3
21 Jun 2023, 15:45
University of New Brunswick

University of New Brunswick

Conveners

(DCMMP) W3-3 Light and Matter | Lumière et matière (DPMCM)

  • Saurabh Maiti (Concordia University)

Presentation materials

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  1. 3569. (I) Resonant inelastic light scattering from materials with spin-orbit coupling
    Saurabh Maiti
    21/06/2023, 15:45
    Condensed Matter and Materials Physics / Physique de la matière condensée et matériaux (DCMMP-DPMCM)
    Invited Speaker / Conférencier(ère) invité(e)

    Inelastic light scattering allows one to transfer energy from light to a system. Tracking the absorption provides clues about the allowed energy states in the system. The strongest signatures in such a spectrum usually come from the collective modes excited in the system. In this talk I will present new collective modes in spin-orbit coupled (SOC) systems, called the chiral-spin waves, and how...

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  2. 3671. Photon recycling in a solar cell with Lambertian surfaces
    Mykhaylo Evstigneev
    21/06/2023, 16:15
    Condensed Matter and Materials Physics / Physique de la matière condensée et matériaux (DCMMP-DPMCM)
    Oral (Non-Student) / Orale (non-étudiant(e))

    An exact analytical expression for the probability of photon reabsorption and recycling in an idealized solar cell with Lambertian surfaces is derived. The existing approximations are found to agree with the exact formula to within a few per cent. The most accurate approximation turned out to be the simplest one that sets the reabsorption probability to the weak-absorption limit of the cell...

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  3. 3864. Light emission from SiGe nanocrystals in SiO2 produced by ion implantation
    Lyudmila Goncharova (Western University)
    21/06/2023, 16:30
    Condensed Matter and Materials Physics / Physique de la matière condensée et matériaux (DCMMP-DPMCM)
    Oral (Non-Student) / Orale (non-étudiant(e))

    In this project, we explored the fabrication of SiGe quantum dots (QDs) in a silica matrix by ion implantation. Ion implantation is an important fabrication tool in the semiconductor industry, and can be used to make compounds beyond the chemical solubility limit and allows the study of a range of concentrations of Si and Ge. The relative concentration of Ge in SiGe alloys has a direct...

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  4. 3755. Photovoltaic properties of SiGeSn alloys fabricated by ion implantation
    Dr Nisha Sharma (Mitacs Postdoctoral fellow)
    21/06/2023, 16:45
    Condensed Matter and Materials Physics / Physique de la matière condensée et matériaux (DCMMP-DPMCM)
    Oral (Non-Student) / Orale (non-étudiant(e))

    The long-term objective of this project is to develop cost-effective, versatile, and scalable, short-wave infrared detectors directly integrated into silicon. Unlike the direct bandgaps materials such as Si, Si1-xGex, and Si1-x-yGexSny provide a promising path toward Si-compatible devices for SWIR detection. In this project, Si (001) samples were implanted at room temperature with a tilt of 7...

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