Design, Preparation and Chiroptical
il y a 3 semaines
**Design, preparation and chiroptical characterization of chiral molecules and monolayers for Chirality Induced Spin Selectivity studies**:
- Réf
- **ABG-112665**
- Sujet de Thèse- 30/03/2023- Contrat doctoral- Institut de Chimie de la Matière Condensée de Bordeaux- Lieu de travail- Pessac - Nouvelle Aquitaine - France- Intitulé du sujet- Design, preparation and chiroptical characterization of chiral molecules and monolayers for Chirality Induced Spin Selectivity studies- Champs scientifiques- Chimie
- Electronique
- Physique
- Mots clés- chimie, chimie organique, chimie de coordination, chiralité, chimie de surface, électronique moléculaire**Description du sujet**:
- Molecular electronics is the discipline that studies nano-electronic devices in which the charge transport occurs across a single molecule or a single layer of molecules, to perform simple or complex electronic functions. In recent years, the advent of Big Data, Artificial Intelligence (AI) and the Internet of Things (IoT) comes at a tremendous energetic cost, making it extremely important to develop new energy-efficient electronic technologies. One possible avenue to design devices with ultra-low energy consumption is the development of spintronic devices that rely on the ability to generate currents presenting an asymmetric population of
- _spin up_ and
- _spin down_ electrons. It was recently shown that it is possible to observe
- **spin-dependent charge transport **in devices containing
- **chiral molecular spacers. **This exciting new phenomenon, named
- **Chirality Induced Spin-Selectivity **(CISS), allows to generate currents with very high spin polarizations at
- **room temperature**. However, to date, there is a very limited understanding as to how the different molecular properties affect the occurrence and/or the magnitude of the CISS effect, and this is the fundamental question that this project will address.**Prise de fonction**:
- 01/09/2023**Nature du financement**:
- Contrat doctoral**Précisions sur le financement**:
- GPR Light**Présentation établissement et labo d'accueil**:
- Institut de Chimie de la Matière Condensée de Bordeaux- The project will be funded by the GPR Light initiative for the salary of the PhD student with the support of the PEPR Spin research program. The work will take place in close collaboration between two teams on the Bordeaux/Pessac campus, at the Institut de Chime de la Matière Condensée de Bordeaux (ICMCB) for the synthesis and surface chemistry and at the Institut des Sciences Moléculaires (ISM) for the different spectroscopic techniques.- The student will be hosted mainly at ICMCB in the Switchable Molecule and Materials group. The team has fully equipped labs for chemical synthesis and chemical characterization of the compounds as well as full access to powder, single crystal and surface diffractometers, chemical characterization (NMR, FT-IT, CHNS microanalysis, ICP-OES). It has access to the PLACAMat platform for electron microscopies, XPS, and Tof-SIMS (among others) and free access to a mass spectrometer at a neighboring laboratory. It also has its own thermal evaporator (metals and organics), a spin coater, a table-top AFM, an EGaIn molecular junction setup, a polarimeter and a joint analytical-semipreparative HPLC chain. Additionally, the
- _Molecular Spectroscopy_ team at ISM will provide the know-how and access to the characterization of the surfaces by PM-IRRAS and Vis-RAS, the characterization of the chiral molecular assemblies on nanoparticles by ROA, HROA and, and the surface chiroptical spectroscopies such as E-SHG and CPM-IRRAS.**Intitulé du doctorat**:
- Sciences Chimiques**Pays d'obtention du doctorat**:
- France**Etablissement délivrant le doctorat**:
- Université de Bordeaux**Ecole doctorale**:
- Sciences chimiques- Organic synthesis, coordination chemistry, chemical characterizations (XRD, NMR, FTIR, MS, Raman)- Preparation of the metallic substrates
- Preparation of monolayers, surface characterizations
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