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Fiche de : SEMI Sajana

Département :
Nanosciences




Localisation :

Mirande, C wing, office C419AB
ICB Laboratory – Nanosciences Department – ​​Team BH2N

Tél. : 0380399109
E-mail : Sajana.Semi@u-bourgogne.fr

Education

    • Ph.D in Chemical Physics 

      Carnot de Bourgogne Interdisciplinary Laboratory (ICB), University of Bourgogne (2024 – Current).

    • Integrated BS-MS Dual Degree, Physics 

      Indian Institute of Science Education and Research, Thiruvananthapuram, India (2018-2023).

Doctoral thesis

Raman scattering investigation of the structure and interfaces in 2D semiconductor nanoplatelets.

Study of original semiconductor heterostructures which are considered in order to obtain efficient charge transfer and charge separation for potential applications in light-to-electricity conversion. In-plane and out-of-plane semiconductor nanoplatelet heterostructures will be considered. This work will focus on the characterization by Raman spectroscopy of the quality of the interfaces, alloyed and gradient composition and the effects of the nature of the ligand on the optical and acoustic phonons. The exciton-phonon coupling in these structures will be addressed using measurements with resonant laser excitations and under an applied electric field. 

Masters Thesis

Metal Oxide based gas sensor array for the VOCs analysis in complex mixtures using Machine Learning. 

For the implementation of a sensor in a real-world application, a sensor must possess several essential sensing performance features including excellent sensitivity, fast response/recovery time, repeatability, long-term stability, and selectivity. Here we prepared different Metal oxide-based thin films and calculated their important parameter values, collected data for the same parameter values ​​for these metal oxides, and efficient data processing techniques were done using machine learning in order to tackle selectivity and long-term stability for these metal oxide gas sensors.

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departement:
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localisation:
Mirande, C wing, office C419AB ICB Laboratory – Nanosciences Department – ​​Team BH2N
telephone:
0380399109
e-mail:
Sajana.Semi@u-bourgogne.fr
texte_onglets:
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Education

    • Ph.D in Chemical Physics 

      Carnot de Bourgogne Interdisciplinary Laboratory (ICB), University of Bourgogne (2024 - Current).

    • Integrated BS-MS Dual Degree, Physics 

      Indian Institute of Science Education and Research, Thiruvananthapuram, India (2018-2023).

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Doctoral thesis

Raman scattering investigation of the structure and interfaces in 2D semiconductor nanoplatelets.

Study of original semiconductor heterostructures which are considered in order to obtain efficient charge transfer and charge separation for potential applications in light-to-electricity conversion. In-plane and out-of-plane semiconductor nanoplatelet heterostructures will be considered. This work will focus on the characterization by Raman spectroscopy of the quality of the interfaces, alloyed and gradient composition and the effects of the nature of the ligand on the optical and acoustic phonons. The exciton-phonon coupling in these structures will be addressed using measurements with resonant laser excitations and under an applied electric field. 

Masters Thesis

Metal Oxide based gas sensor array for the VOCs analysis in complex mixtures using Machine Learning. 

For the implementation of a sensor in a real-world application, a sensor must possess several essential sensing performance features including excellent sensitivity, fast response/recovery time, repeatability, long-term stability, and selectivity. Here we prepared different Metal oxide-based thin films and calculated their important parameter values, collected data for the same parameter values ​​for these metal oxides, and efficient data processing techniques were done using machine learning in order to tackle selectivity and long-term stability for these metal oxide gas sensors.

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  1. Metal oxide-based gas sensor array for VOCs determination in complex mixtures using machine learning.
  2. Frequency dependent impedance response analysis of nanocrystalline ZnO chemiresistors.
  3. CKAP5 stabilizes CENP-E at kinetochores by regulating microtubule-chromosome attachments.
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