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Unidirectional electric field-induced spin-state switching in spin crossover based microelectronic devices

Abstract : We report on a molecular spin-state switching phenomenon induced by an electric field in micrometric objects of the [Fe(Htrz)2(trz)](BF4) spin crossover complex, organized between interdigitated electrodes. By applying an electric field step of 40 kV/cm at temperatures within the thermal hysteresis region of the first-order spin transition, the iron(II) ions are switched from the metastable high spin to the stable low spin state obtaining a rather incomplete transition but perfectly reversible by heating. A model based on the interaction between the electric field and the electric dipolar moment of spin crossover complexes, grasps the main features of the experimental data.
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https://hal.archives-ouvertes.fr/hal-01934979
Contributor : Marie-Hélène Gulli Connect in order to contact the contributor
Submitted on : Monday, November 26, 2018 - 2:05:03 PM
Last modification on : Thursday, December 2, 2021 - 2:10:03 PM

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Constantin Lefter, Reasmey Phary Tan, Julien Dugay, Simon Tricard, Gábor Molnár, et al.. Unidirectional electric field-induced spin-state switching in spin crossover based microelectronic devices. Chemical Physics Letters, Elsevier, 2016, 644, pp.138-141. ⟨10.1016/j.cplett.2015.11.036⟩. ⟨hal-01934979⟩

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