Kvantový transport elektronů přes helikální molekuly
| Thesis title in Czech: | Kvantový transport elektronů přes helikální molekuly |
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| Thesis title in English: | Quantum transport and spin torque with helical molecules |
| English key words: | molecular electronics|spin filter|chirality |
| Academic year of topic announcement: | 2024/2025 |
| Thesis type: | diploma thesis |
| Thesis language: | |
| Department: | Department of Condensed Matter Physics (32-KFKL) |
| Supervisor: | RNDr. Martin Žonda, Ph.D. |
| Author: |
| Guidelines |
| Recent experiments have shown that when electrons move along helical molecule (like DNA), they polarize their spin [1]. This phenomenon is called chirality-induced spin selectivity (CISS) and offers means to achieve spin filtering, facilitate spin memory and logic [2].
The aim of this project is to calculate transport of electrons moving in a helical potential. The Hamiltonian and eigenstates were given in reference [3]. We will consider scattering off a classical magnet, connected with helical leads. Spin current and spin torque will be the observables of interest.
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| References |
| [1] R. Naaman, D. H. Waldeck, Chiral-induced spin selectivity effect. J. Phys. Chem. Lett. 3, 2178–2187 (2012)
[2] R. Naaman, Y. Paltiel, D. H. Waldeck, Nat. Rev. Chem. 2019, 3, 250 [3] K. Michaeli, R. Naaman, J. Phys. Chem. C 2019, 123, 17043−17048 |