Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Georgios Velkos"'
Publikováno v:
Advanced Science, Vol 11, Iss 1, Pp n/a-n/a (2024)
Abstract Synthesis of molecular compounds with metal–metal bonds between 4f elements is recognized as one of the fascinating milestones in lanthanide metallochemistry. The main focus of such studies is on heavy lanthanides due to the interest in th
Externí odkaz:
https://doaj.org/article/120cae9565484527b3aeb9059e58fe4c
Autor:
Fupin Liu, Georgios Velkos, Denis S. Krylov, Lukas Spree, Michal Zalibera, Rajyavardhan Ray, Nataliya A. Samoylova, Chia-Hsiang Chen, Marco Rosenkranz, Sandra Schiemenz, Frank Ziegs, Konstantin Nenkov, Aram Kostanyan, Thomas Greber, Anja U. B. Wolter, Manuel Richter, Bernd Büchner, Stanislav M. Avdoshenko, Alexey A. Popov
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-11 (2019)
Dilanthanide complexes that possess radical bridges exhibit enhanced magnetic exchange coupling, affording molecular magnets with high blocking temperatures. Here, the authors explore a series of dilanthanide-encapsulated fullerenes where the radical
Externí odkaz:
https://doaj.org/article/b6952e66d5a64cf88a905e377b3b0ea0
Autor:
Chia‐Hsiang Chen, Lukas Spree, Emmanouil Koutsouflakis, Denis S. Krylov, Fupin Liu, Ariane Brandenburg, Georgios Velkos, Sebastian Schimmel, Stanislav M. Avdoshenko, Alexander Fedorov, Eugen Weschke, Fadi Choueikani, Philippe Ohresser, Jan Dreiser, Bernd Büchner, Alexey A. Popov
Publikováno v:
Advanced Science, Vol 8, Iss 5, Pp n/a-n/a (2021)
Abstract Tremendous progress in the development of single molecule magnets (SMMs) raises the question of their device integration. On this route, understanding the properties of low‐dimensional assemblies of SMMs, in particular in contact with elec
Externí odkaz:
https://doaj.org/article/6ddf415e51a642fb8b505d21bfaa1c83
Autor:
Yajuan Hao, Georgios Velkos, Sandra Schiemenz, Marco Rosenkranz, Yaofeng Wang, Bernd Büchner, Stanislav M. Avdoshenko, Alexey A. Popov, Fupin Liu
Publikováno v:
Inorganic Chemistry Frontiers. 10:468-484
Relaxation of magnetization in DyM2N@C80 and Dy2MN@C80 (M = Sc, Y, La, Lu) series correlates, respectively, with the mass and size of the diamagnetic metal M.
Autor:
Wei Yang, Georgios Velkos, Fupin Liu, Svetlana M. Sudarkova, Yaofeng Wang, Jiaxin Zhuang, Hanning Zhang, Xiang Li, Xingxing Zhang, Bernd Büchner, Stanislav M. Avdoshenko, Alexey A. Popov, Ning Chen
Publikováno v:
Advanced Science, Vol 6, Iss 20, Pp n/a-n/a (2019)
Abstract A new class of single‐molecule magnets (SMMs) based on Dy‐oxide clusterfullerenes is synthesized. Three isomers of Dy2O@C82 with Cs(6), C3v(8), and C2v(9) cage symmetries are characterized by single‐crystal X‐ray diffraction, which s
Externí odkaz:
https://doaj.org/article/f7c6ac80a5d6480fb4f48ca09edafb57
Autor:
Georgios Velkos, Wei Yang, Yang-Rong Yao, Svetlana M. Sudarkova, Fupin Liu, Stanislav M. Avdoshenko, Ning Chen, Alexey A. Popov
Publikováno v:
Chemical Communications. 58:7164-7167
Dysprosium-oxide clusterfullerene Dy2O@C2v(5)-C80 is a single-molecule magnet with very strong antiferromagnetic superexchange Dy⋯Dy coupling via the μ2-O2− bridge.
Autor:
Wei Yang, Georgios Velkos, Svetlana Sudarkova, Bernd Büchner, Stanislav M. Avdoshenko, Fupin Liu, Alexey A. Popov, Ning Chen
Publikováno v:
Inorganic Chemistry Frontiers. 9:5805-5819
Isomers of Dy2O@C88 and Dy2C2@C88 show a strong variation in the type and strength of Dy⋯Dy superexchange interactions and magnetization relaxation rate.
Autor:
Emmanouil, Koutsouflakis, Denis, Krylov, Nicolas, Bachellier, Daria, Sostina, Vasilii, Dubrovin, Fupin, Liu, Lukas, Spree, Georgios, Velkos, Sebastian, Schimmel, Yaofeng, Wang, Bernd, Büchner, Rasmus, Westerström, Claudiu, Bulbucan, Kyle, Kirkpatrick, Matthias, Muntwiler, Jan, Dreiser, Thomas, Greber, Stas M, Avdoshenko, Harry, Dorn, Alexey A, Popov
Publikováno v:
Nanoscale. 14(27)
Realization of stable spin states in surface-supported magnetic molecules is crucial for their applications in molecular spintronics, memory storage or quantum information processing. In this work, we studied the surface magnetism of dimetallo-azaful
Autor:
Denis S. Krylov, Sebastian Schimmel, Vasilii Dubrovin, Fupin Liu, T. T. Nhung Nguyen, Lukas Spree, Chia‐Hsiang Chen, Georgios Velkos, Claudiu Bulbucan, Rasmus Westerström, Michał Studniarek, Jan Dreiser, Christian Hess, Bernd Büchner, Stanislav M. Avdoshenko, Alexey A. Popov
Publikováno v:
Angewandte Chemie. 132:5805-5813
Autor:
Michał Studniarek, Denis S. Krylov, Alexey A. Popov, Fupin Liu, Chia-Hsiang Chen, Rasmus Westerström, Sebastian Schimmel, Jan Dreiser, T. T.Nhung Nguyen, Lukas Spree, Stanislav M. Avdoshenko, Vasilii Dubrovin, Georgios Velkos, Bernd Büchner, Christian Hess, Claudiu Bulbucan
Publikováno v:
Angewandte Chemie (International Ed. in English)
Angewandte Chemie International Edition
Angewandte Chemie International Edition
Magnetic hysteresis is demonstrated for monolayers of the single‐molecule magnet (SMM) Dy2ScN@C80 deposited on Au(111), Ag(100), and MgO|Ag(100) surfaces by vacuum sublimation. The topography and electronic structure of Dy2ScN@C80 adsorbed on Au(11