title: Guest effect on nanopatterned spin-crossover thin films.
abstract: Nanopatterned thin films of the metal-organic framework {Fe(bpac)[Pt(CN)4]} (bpac=bis(4-pyridyl)acetylene) are elaborated by the combination of a sequential assembly process and a lithographic method. Raman microspectroscopy is used to probe the temperature dependence of the spin state of the iron(II) ions in the films (40-90 nm in thickness), and reveals an incomplete but cooperative spin transition comparable to that of the bulk material. Adsorption/desorption of pyridine guest molecules is found to have a substantial influence on the spin-crossover properties of the thin layers. This interplay between host-guest and spin-crossover properties in thin films and nanopatterns demonstrates the potential ability of using this kind of material as a microsensor.
authors: Laboratoire de Chimie de Coordination, CNRS UPR-8241 and Université de Toulouse, UPS, INP, 31077 Toulouse, France.
authors: Carlos
authors: C
authors: Bartual-Murgui
authors: Amal
authors: A
authors: Akou
authors: Lionel
authors: L
authors: Salmon
authors: Gábor
authors: G
authors: Molnár
authors: Christophe
authors: C
authors: Thibault
authors: Jose Antonio
authors: JA
authors: Real
authors: Azzedine
authors: A
authors: Bousseksou
mesh_terms: D003486:Cyanides / Q000737:chemistry; D019216:Metals, Heavy / Q000737:chemistry; D018625:Microscopy, Atomic Force; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure; D013059:Spectrum Analysis, Raman; D013113:Spin Labels; D044366:Transition Temperature
chemical_list: D003486:Cyanides; D019216:Metals, Heavy; D013113:Spin Labels