Structural Evolution and Magnetic Properties of Underfluorinated C2F |
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Authors: | T. L. Makarova V. S. Zagaynova G. Inan A. V. Okotrub G. N. Chekhova D. V. Pinakov L. G. Bulusheva |
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Affiliation: | (1) Nikolaev Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences, Ac. Lavrentyev Ave. 3, 630090 Novosibirsk-90, Russia |
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Abstract: | A series of layered inclusion compounds based on fluorinated graphite C2F x (x≤1) was obtained by a room temperature synthesis. Inclusion compounds (intercalates) of fluorinated graphite matrix were n-hexane and dichloromethane, i.e., organic guest molecules that differ in size and symmetry. The changes in C2F x stoichiometry are shown to have a decisive effect on magnetic properties of produced complexes. The spin concentration decreases with the increase of fluorine content in fluorocarbon matrix. All samples have groups of correlated spins; at the temperatures 1.75–5 K nonlinear magnetization is observed, indicating a high-spin state. Application of the Langevin formula shows that the clusters consist of 10–20 interacting spins. |
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