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Preprints, Working Papers, ... Year : 2015

Pressure sensor via optical detection based on a 1D spin transition coordination polymer

Abstract

We have investigated the suitability to use the 1D spin crossover coordination polymer [Fe(4-(2'-hydroxyethyl)-1,2,4-triazole) 3 ]I 2 ·H 2 O, known to crossover around room temperature, as a sensor via optical detection using various contact pressures up to 250MPa. A dramatic persistent colour change is observed. The experimental data, obtained by calorimetric and Mössbauer measurements, have been used for a theoretical analysis, in the framework of the Ising-like model, of the thermal and pressure induced spin state switching.
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Dates and versions

hal-01111335 , version 1 (02-02-2015)

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C.M. Jureschi, J. Linares, A. Rotaru, M.H. Ritti, M. Parlier, et al.. Pressure sensor via optical detection based on a 1D spin transition coordination polymer. 2015. ⟨hal-01111335⟩
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