Downsizing of robust Fe-triazole@SiO2 spin-crossover nanoparticles with ultrathin shells
Ramón Torres-Cavanillas (Universidad de Valencia (ICMol))
L. Lima-Moya (Universidad de Valencia (ICMol))
Frans D. Tichelaar (Kavli institute of nanoscience Delft, TU Delft - QN/Afdelingsbureau)
Henny Zandbergen (Kavli institute of nanoscience Delft, TU Delft - QN/Zandbergen Lab)
Mónica Giménez-Marqués (Universidad de Valencia (ICMol))
Eugenio Coronado (Universidad de Valencia (ICMol))
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Abstract
A chemical protocol to design robust hybrid [Fe(Htrz)2(trz)](BF4)@SiO2 nanoparticles (NPs) with sizes as small as 28 nm and ultrathin silica shells below 3 nm has been developed. These NPs present a characteristic abrupt spin transition with a subsequent decrease in the width of the thermal hysteresis upon reducing the NP size.
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