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Sensors 2015, 15(2), 2388-2398; doi:10.3390/s150202388

Pressure Sensor via Optical Detection Based on a 1D Spin Transition Coordination Polymer

1
Department of Electrical Engineering and Computer Science and Advanced Materials and Nanotechnology Laboratory (AMNOL), "Stefan cel Mare" University, University Street 13, Suceava 720229, Romania
2
Laboratoire d'Ingénierie des Systèmes de Versailles, Université Versailles St Quentin, Versailles Cedex 78035, France
3
Groupe d'Etude de la Matière Condensée (GEMaC), CNRS-UMR 8635, Université Versailles St Quentin, Versailles Cedex 78035, France
4
ONERA - DMSC, 29 Avenue de la Division Leclerc, BP72, Chatillon Cedex 92322, France
5
Institute of Condensed Matter and Nanosciences, Molecules, Solids, Reactivity (IMCN/MOST), Université catholique de Louvain, Place L. Pasteur 1, Louvain-la-Neuve 1348, Belgium
*
Authors to whom correspondence should be addressed.
Received: 22 December 2014 / Revised: 13 January 2015 / Accepted: 16 January 2015 / Published: 22 January 2015
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [1509 KB, uploaded 22 January 2015]   |  

Abstract

We have investigated the suitability of using the 1D spin crossover coordination polymer [Fe(4-(2’-hydroxyethyl)-1,2,4-triazole)3]I2∙H2O, known to crossover around room temperature, as a pressure sensor via optical detection using various contact pressures up to 250 MPa. 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. The pressure (P)-temperature (T) phase diagram calculated for this compound has been used to obtain the P-T bistability region. View Full-Text
Keywords: spin crossover; pressure sensors; optical detection; smart materials; material characterization spin crossover; pressure sensors; optical detection; smart materials; material characterization
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Jureschi, C.M.; Linares, J.; Rotaru, A.; Ritti, M.H.; Parlier, M.; Dîrtu, M.M.; Wolff, M.; Garcia, Y. Pressure Sensor via Optical Detection Based on a 1D Spin Transition Coordination Polymer. Sensors 2015, 15, 2388-2398.

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