Abstract
The results of theoretical study of the spin crossover dynamics in the cobalt octaethylporphyrin molecule under the action of an external pulsed magnetic field with an induction of 36.8 T are presented. It is shown that, in the case of the high-spin state, under the action of a pulsed magnetic field, spin switching occurs in the system, and the system is characterized by a large relaxation time. In the case of the low-spin state, the system relaxes rapidly to the ground state. The temperature dependence of the product of the magnetic susceptibility and the temperature has a feature in the vicinity of 40 K related to the transition between spin states.
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References
A. P. de Silva and S. Uchiyama, Nat. Nanotechnol. 2, 399 (2007).
M. Halcrow, Spin-Crossover Materials (Wiley, West Sussex, 2013).
N. Klinduhov, D. Chernyshov, and K. Boukheddaden, Phys. Rev. B 81, 094408 (2010).
K. Saito and S. Miyashita, J. Phys. Soc. Jpn. 70, 3385 (2001).
L. D. Landau and E. M. Lifshits, Phys. Zs. Sowjet. 8, 153 (1935).
B. Guo and S. Ding, Landau-Lifshitz Equations (World Sci., Singapore, 2008).
M. Bernien, PhD Thesis (Freie Univ., Berlin, 2010).
J. J. Borras-Almenar, J. M. Clemente-Juan, E. Coronado, and B. S. Tsukerblat, Inorg. Chem. 38, 6081 (1999).
D. A. Garanin, Phys. Rev. B 55, 3050 (1997).
R. Wieser, arXiv:1302.1985v1[cond-mat.mes-hall] 8 Feb 2013.
G. te Velde, F. M. Bickelhaupt, S. J. A. van Gisbergen, et al., J. Comput. Chem. 22, 931 (2001).
ADF2014, SCM, Theoretical Chemistry, Vrije Universiteit, Amsterdam. http://www.scm.com.
E. van Lenthe, A. E. Ehlers, and E. J. Baerends, J. Chem. Phys. 110, 8943 (1999).
A. Bousseksou, K. Boukheddaden, M. Goiran, et al., Phys. Rev. B 65, 172412 (2002).
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Original Russian Text © D.S. Chub, O.V. Farberovich, A.V. Soldatov, 2017, published in Poverkhnost’, 2017, No. 2, pp. 93–98.
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Chub, D.S., Farberovich, O.V. & Soldatov, A.V. On the dynamics of the spin crossover in cobalt octaethylporphyrin molecular magnets in a terahertz pulsed magnetic field. J. Surf. Investig. 11, 265–269 (2017). https://doi.org/10.1134/S1027451017010256
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DOI: https://doi.org/10.1134/S1027451017010256