Ultrafast spin-charge interconversion in Rashba states probed by time-domain THz spectroscopy

Jacques Hawecker; Thi-Huong Dang; Enzo Faycal Rongione; Giovanni Baez Flores; Juan-Carlos Rojas-Sánchez; Hanond Nong; Diogo Vaz; Luis Moreno; Juliette Mangeney; Jerome Tignon; Florian Godel; Sophie Collin; Pierre Seneor; Albert Fert; Abdelmadjid Anane; Jean-Marie George; Laurent Vila; Jean-Philippe Attané; Paul Noël; Manuel Bibès; Daniel Dolfi; Romain Lebrun; Paolo Bortolotti; Kirill Belashchenko; Sukhdeep Dhillon; Henri Jaffrès

doi:10.1117/12.2568583

20 August 2020 Ultrafast spin-charge interconversion in Rashba states probed by time-domain THz spectroscopy

Jacques Hawecker, Thi-Huong Dang, Enzo Faycal Rongione, Giovanni Baez Flores, Juan-Carlos Rojas-Sánchez, Hanond Nong, Diogo Vaz, Luis Moreno, Juliette Mangeney, Jerome Tignon, Florian Godel, Sophie Collin, Pierre Seneor, Albert Fert, Abdelmadjid Anane, Jean-Marie George, Laurent Vila, Jean-Philippe Attané, Paul Noël, Manuel Bibès, Daniel Dolfi, Romain Lebrun, Paolo Bortolotti, Kirill Belashchenko, Sukhdeep Dhillon, Henri Jaffrès

Author Affiliations +

Proceedings Volume 11470, Spintronics XIII; 1147027 (2020) https://doi.org/10.1117/12.2568583
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Abstract

Terahertz (THz) emission spectroscopy in spin systems has become a very powerful method to generate THz radiation and to investigate the properties of Rashba or Topological Insulator surface states. The THz emission can be generated in heavy metallic or in more general Rashba systems. In 3d/5d transient metal bilayers THz emission in via the Inverse Spin Hall effect. Beyond heavy metal structures, Rashba states are strong candidates for THz-spintronics owing to their high spin to charge conversion properties. Here we present 2D electron gas with strong Rashba spin-orbit coupling and demonstrate THz emission via the Inverse Edelstein Effect.

Conference Presentation

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Jacques Hawecker, Thi-Huong Dang, Enzo Faycal Rongione, Giovanni Baez Flores, Juan-Carlos Rojas-Sánchez, Hanond Nong, Diogo Vaz, Luis Moreno, Juliette Mangeney, Jerome Tignon, Florian Godel, Sophie Collin, Pierre Seneor, Albert Fert, Abdelmadjid Anane, Jean-Marie George, Laurent Vila, Jean-Philippe Attané, Paul Noël, Manuel Bibès, Daniel Dolfi, Romain Lebrun, Paolo Bortolotti, Kirill Belashchenko, Sukhdeep Dhillon, and Henri Jaffrès "Ultrafast spin-charge interconversion in Rashba states probed by time-domain THz spectroscopy", Proc. SPIE 11470, Spintronics XIII, 1147027 (20 August 2020); https://doi.org/10.1117/12.2568583

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