Zobrazeno 1 - 10
of 547
pro vyhledávání: '"Dmitri R. Yakovlev"'
Autor:
Nataliia E. Kopteva, Dmitri R. Yakovlev, Eyüp Yalcin, Ilya A. Akimov, Mikhail O. Nestoklon, Mikhail M. Glazov, Mladen Kotur, Dennis Kudlacik, Evgeny A. Zhukov, Erik Kirstein, Oleh Hordiichuk, Dmitry N. Dirin, Maksym V. Kovalenko, Manfred Bayer
Publikováno v:
Advanced Science, Vol 11, Iss 31, Pp n/a-n/a (2024)
Abstract Quantum technologic and spintronic applications require reliable material platforms that enable significant and long‐living spin polarization of excitations, the ability to manipulate it optically in external fields, and the possibility to
Externí odkaz:
https://doaj.org/article/d61b2cd869a641f6b00f6606610b5af8
Autor:
Sergey R. Meliakov, Vasilii V. Belykh, Ina V. Kalitukha, Aleksandr A. Golovatenko, Alessio Di Giacomo, Iwan Moreels, Anna V. Rodina, Dmitri R. Yakovlev
Publikováno v:
Nanomaterials, Vol 13, Iss 23, p 3077 (2023)
Coherent spin dynamics of electrons in CdSe colloidal nanoplatelets are investigated by time-resolved pump–probe Faraday rotation at room and cryogenic temperatures. We measure electron spin precession in a magnetic field and determine g-factors of
Externí odkaz:
https://doaj.org/article/0e76fbc5fcf34942a9a47240667f99c9
Autor:
Alexander N. Kosarev, Artur V. Trifonov, Irina A. Yugova, Iskander I. Yanibekov, Sergey V. Poltavtsev, Alexander N. Kamenskii, Sven E. Scholz, Carlo Alberto Sgroi, Arne Ludwig, Andreas D. Wieck, Dmitri R. Yakovlev, Manfred Bayer, Ilya A. Akimov
Publikováno v:
Communications Physics, Vol 5, Iss 1, Pp 1-7 (2022)
Semiconductor nanostructures are central to the implementation of quantum communication and information technologies. The authors leveraged spin degrees of freedom in quantum dot ensembles to increase optical coherence timescales, thereby disclosing
Externí odkaz:
https://doaj.org/article/0ecbfb053d8f43b395077810104f806a
Autor:
Olga O. Smirnova, Ina V. Kalitukha, Anna V. Rodina, Grigorii S. Dimitriev, Victor F. Sapega, Olga S. Ken, Vladimir L. Korenev, Nikolai V. Kozyrev, Sergey V. Nekrasov, Yuri G. Kusrayev, Dmitri R. Yakovlev, Benoit Dubertret, Manfred Bayer
Publikováno v:
Nanomaterials, Vol 13, Iss 17, p 2402 (2023)
Optical alignment and optical orientation of excitons are studied experimentally on an ensemble of core/shell CdSe/CdS colloidal nanoplatelets. Linear and circular polarization of photoluminescence during resonant excitation of excitons is measured a
Externí odkaz:
https://doaj.org/article/99c5fdef25ea43e0bc75cb0ed003303f
Autor:
Sergey R. Meliakov, Evgeny A. Zhukov, Evgeniya V. Kulebyakina, Vasilii V. Belykh, Dmitri R. Yakovlev
Publikováno v:
Nanomaterials, Vol 13, Iss 17, p 2454 (2023)
Coherent spin dynamics of charge carriers in CsPbBr3 perovskite nanocrystals are studied in a temperature range of 4–300 K and in magnetic fields of up to 500 mT using time-resolved pump-probe Faraday rotation and differential transmission techniqu
Externí odkaz:
https://doaj.org/article/1b15113164c34446b9cd10609f39c16b
Autor:
Erik Kirstein, Evgeny A. Zhukov, Dmitry S. Smirnov, Vitalie Nedelea, Phillip Greve, Ina V. Kalitukha, Viktor F. Sapega, Alexander Pawlis, Dmitri R. Yakovlev, Manfred Bayer, Alex Greilich
Publikováno v:
Communications Materials, Vol 2, Iss 1, Pp 1-8 (2021)
Ideal qubits should exhibit, simultaneously, long spin coherence times and fast initialization. Here, defect centers in ZnSe epilayers, introduced by ex-situ fluorine implantation, are displaying spin coherence times of 100 ns at room temperature and
Externí odkaz:
https://doaj.org/article/2c5a60f2d5e941fbb3245e0f07c5514d
Autor:
Mladen Kotur, Daniel O. Tolmachev, Valentina M. Litvyak, Kirill V. Kavokin, Dieter Suter, Dmitri R. Yakovlev, Manfred Bayer
Publikováno v:
Communications Physics, Vol 4, Iss 1, Pp 1-8 (2021)
The manipulation of spin degree of freedom allows the exploration of novel phenomena at the nanoscale. The authors achieved unprecedented submicroKelvin temperatures in the spin system of nuclei embedded in low dimensional semiconductors. A result th
Externí odkaz:
https://doaj.org/article/8b4390cd00824b01af7ae93acc352b76
Autor:
Aleksandr A. Golovatenko, Ina V. Kalitukha, Grigorii S. Dimitriev, Victor F. Sapega, Maxim V. Rakhlin, Aidar I. Galimov, Tatiana V. Shubina, Elena V. Shornikova, Gang Qiang, Dmitri R. Yakovlev, Manfred Bayer, Amelie Biermann, Axel Hoffmann, Tangi Aubert, Zeger Hens, Anna V. Rodina
Publikováno v:
Nanomaterials, Vol 12, Iss 23, p 4269 (2022)
In this paper, we studied the role of the crystal structure in spheroidal CdSe nanocrystals on the band-edge exciton fine structure. Ensembles of zinc blende and wurtzite CdSe nanocrystals are investigated experimentally by two optical techniques: fl
Externí odkaz:
https://doaj.org/article/018e9dd469fe49538847302c64c078a0
Autor:
Vasilii V. Belykh, Dmitri R. Yakovlev, Mikhail M. Glazov, Philipp S. Grigoryev, Mujtaba Hussain, Janina Rautert, Dmitry N. Dirin, Maksym V. Kovalenko, Manfred Bayer
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-6 (2019)
Despite remarkable optical properties in lead halide perovskites, spin control in these materials is largely unexplored. Herein Belykh et al. study the coherent spin dynamics of electrons and holes in cesium lead bromide perovskites, and evidence int
Externí odkaz:
https://doaj.org/article/c8419235cae24bc6a8fdc4fd3a8a05f8
Autor:
Lars Klompmaker, Alexander N. Poddubny, Eyüp Yalcin, Leonid V. Litvin, Ralf Jede, Grzegorz Karczewski, Sergij Chusnutdinow, Tomasz Wojtowicz, Dmitri R. Yakovlev, Manfred Bayer, Ilya A. Akimov
Publikováno v:
Physical Review Research, Vol 4, Iss 1, p 013058 (2022)
We study experimentally and theoretically the temperature dependence of transverse magnetic routing of light emission from hybrid plasmonic-semiconductor quantum well structures where the exciton emission from the quantum well is routed into surface
Externí odkaz:
https://doaj.org/article/fd3276172fcf49bca035285a270f1af4