Room-temperature spin-transition iron compounds |
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Authors: | Ivan ?alitro? N T Madhu Roman Bo?a Ján Pavlik and Mario Ruben |
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Institution: | (1) Institute for Nanotechnology, Karlsruhe Institute of Technology (KIT), PB-3640, 76021 Karlsruhe, Germany;(2) Faculty of Chemical and Food Technology, Institute of Inorganic Chemistry, Technology and Materials, Slovak University of Technology, Bratislava, 812 37, Slovak Republic; |
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Abstract: | Abstract Since the discovery of the spin transition phenomenon in tris(N,N-dialkyldithiocarbamato) iron(III) complexes 1], numerous investigations have been devoted to this field of molecular magnetism. The spin transition phenomenon is probably
the most spectacular example of bistability in molecular chemistry. However, it is a challenge to obtain spin transition materials
when working under ambient conditions (e.g. room temperature and pressure), which would be highly advantageous for potential
applications. So far, only some Fe(II) and Fe(III) molecular systems have shown temperature-induced spin transitions around
and even above room temperature. Within this review we discuss the characteristics of this class of bistable compounds in
detail and we try to draw more general conclusions regarding the integration, implementation and application of spin transition
compounds as switching elements in hybrid molecular devices. |
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