Epitaxial thin-film vs single crystal growth of 2D Hofmann-type iron(II) materials: a comparative assessment of their bi-stable spin crossover properties
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Epitaxial thin-film vs single crystal growth of 2D Hofmann-type iron(II) materials: a comparative assessment of their bi-stable spin crossover properties

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Epitaxial thin-film vs single crystal growth of 2D Hofmann-type iron(II) materials: a comparative assessment of their bi-stable spin crossover properties

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dc.contributor.author Bartual Murgui, Carlos
dc.contributor.author Rubio-Giménez, Víctor
dc.contributor.author Meneses-Sánchez, Manuel
dc.contributor.author Valverde Muñoz, Francisco Javier
dc.contributor.author Tatay Aguilar, Sergio
dc.contributor.author Martí Gastaldo, Carlos
dc.contributor.author Muñoz, M. Carmen
dc.contributor.author Real Cabezos, José Antonio
dc.date.accessioned 2020-10-14T14:26:45Z
dc.date.available 2021-06-04T04:45:05Z
dc.date.issued 2020
dc.identifier.uri https://hdl.handle.net/10550/75853
dc.description.abstract Integration of the ON−OFF cooperative spin crossover (SCO) properties of FeII coordination polymers as components of electronic and/or spintronic devices is currently an area of great interest for potential applications. This requires the selection and growth of thin films of the appropriate material onto selected substrates. In this context, two new series of cooperative SCO two-dimensional FeII coordination polymers of the Hofmann-type formulated {FeII(Pym)2[MII(CN)4]·xH2O}n and {FeII(Isoq)2[MII(CN)4]}n (Pym = pyrimidine, Isoq = isoquinoline; MII = Ni, Pd, Pt) have been synthesized, characterized, and the corresponding Pt derivatives selected for fabrication of thin films by liquid-phase epitaxy (LPE). At ambient pressure, variable-temperature single-crystal X-ray diffraction, magnetic, and calorimetric studies of the Pt and Pd microcrystalline materials of both series display strong cooperative thermal induced SCO properties. In contrast, this property is only observed for higher pressures in the Ni derivatives. The SCO behavior of the {FeII(L)2[PtII(CN)4]}n thin films (L = Pym, Isoq) were monitored by magnetization measurements in a SQUID magnetometer and compared with the homologous samples of the previously reported isostructural {FeII(Py)2[PtII(CN)4]}n (Py = pyridine). Application of the theory of regular solutions to the SCO of the three derivatives allowed us to evaluate the effect on the characteristic SCO temperatures and the hysteresis, as well as the associated thermodynamic parameters when moving from microcrystalline bulk solids to nanometric thin films.
dc.language.iso eng
dc.relation.ispartof Acs Applied Materials & Interfaces, 2020, vol. 12, num. 26, p. 29461-29472
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Bartual Murgui, Carlos Rubio-Giménez, Víctor Meneses-Sánchez, Manuel Valverde Muñoz, Francisco Javier Tatay Aguilar, Sergio Martí Gastaldo, Carlos Muñoz, M. Carmen Real Cabezos, José Antonio 2020 Epitaxial thin-film vs single crystal growth of 2D Hofmann-type iron(II) materials: a comparative assessment of their bi-stable spin crossover properties Acs Applied Materials & Interfaces 12 26 29461 29472
dc.subject Materials
dc.subject Química organometàl·lica
dc.title Epitaxial thin-film vs single crystal growth of 2D Hofmann-type iron(II) materials: a comparative assessment of their bi-stable spin crossover properties
dc.type info:eu-repo/semantics/article
dc.date.updated 2020-10-14T14:26:45Z
dc.identifier.doi https://doi.org/10.1021/acsami.0c05733
dc.identifier.idgrec 140631
dc.embargo.terms 1 year

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