Long-range non-diffusive spin transfer in a Hall insulator

Kulik, L. V.; Kuznetsov, V. A.; Zhuravlev, A. S.; Gorbunov, A. V.; Solovyev, V. V.; Timofeev, V. B.; Kukushkin, I. V.; Schmult, S.

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Long-range non-diffusive spin transfer in a Hall insulator

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Kulik, L. V.
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Kukushkin, I. V.
Research Group Solid State Nanophysics (Jurgen H. Smet), Max Planck Institute for Solid State Research, Max Planck Society;
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Kulik, L. V., Kuznetsov, V. A., Zhuravlev, A. S., Gorbunov, A. V., Solovyev, V. V., Timofeev, V. B., et al. (2018). Long-range non-diffusive spin transfer in a Hall insulator. Scientific Reports, 8: 10948.

Cite as: https://hdl.handle.net/21.11116/0000-000E-D3C4-6

Abstract

We report on optical visualization of spin propagation more than 100 mu m. We present an electronic system in a new state of aggregation, the magnetofermionic condensate, in which the lowest-energy spin excitations - photoexcited spin-triplet magnetoexcitons - freely propagate over long distances, in the order of a millimeter, which implies non-diffusion spin transport. Our results open up a completely new system suitable for spintronic devices.