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TT: Fachverband Tiefe Temperaturen

TT 32: Focus Session: Spin Phenomena in Chiral Molecular Systems I (joint session O/TT)

Dienstag, 19. März 2024, 10:30–13:15, MA 141

Spin phenomena in monolayers and thin films of enantiopure chiral molecules have recently attracted great attention. These phenomena are attributed to the chiral induced spin selectivity (CISS) effect, which leads to, for instance, different transmissions for the longitudinal orientation of the electron spin through helical molecules arranged with their molecular axes perpendicular to the surface. A microscopic theoretical understanding of the CISS effect has not been achieved so far. Therefore, new tools are being developed to uncover the different influences of electronic structure, spin-orbit coupling, and (chiral) phonons on the CISS effect. Applications have already been demonstrated in spin-directed chemistry, spintronics, and quantum technologies. The purpose of this Focus Session is to review the state-of-the-art and also to report new results.

Organizers: Katharina Franke (FU Berlin), Benjamin Stadtmüller (TU Kaiserslautern),

      Helmut Zacharias (U Münster)

	10:30	TT 32.1	Topical Talk: The Electron's Spin and Chirality - a Miraculous Match — •Ron Naaman
	11:00	TT 32.2	Topical Talk: Electrons, Vibrations and Chirality — •Martin B. Plenio
	11:30	TT 32.3	Topical Talk: Electrical Dipole Moment Governs Spin Polarization in Charge Transport in Single α-helical Peptides Junctions — •Ismael Diez-Perez
	12:00	TT 32.4	Spin-Resolved Photoemission Studies of Heptahelicene and Tetrapyrrole (Sub-)Monolayers — •Paul V. Möllers, Bianca C. Baciu, Rafael Rodriguez, Johannes Seibel, Adrian J. Urban, Albert Guijarro, Jeanne Crassous, Karl-Heinz Ernst, Hiroshi M. Yamamoto, and Helmut Zacharias
	12:15	TT 32.5	Spin-dependent transmission and CISS effect in PdGa — •Mayra Peralta, Iñigo Robredo, Xia Wang, Maia Vergniory, and Claudia Felser
	12:30	TT 32.6	Chiral-induced spin selective transmission (CISS) on naturally chiral surfaces — •Chetana Badala Viswanatha, Johannes Stöckl, Benito Arnoldi, Sebastian Becker, Ka Man Yu, Martin Mitkov, Iulia Cojocariu, Vitaliy Feyer, Martin Aeschlimann, and Benjamin Stadtmüller
	12:45	TT 32.7	Topical Talk: First-principles approaches to chiral induced spin selectivity — •Carmen Herrmann, Sumit Naskar, Ulrich Pototschnig, Aida Saghatchi, and Vladimiro Mujica