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Eric Collet

7
Documents

Présentation

### Eric Collet, ### professor of Physics ### The Institute of Physics of Rennes, mixed research unit [CNRS ](http://blogperso.univ-rennes1.fr/eric.collet/www.cnrs.fr/)- [University Rennes 1](http://www.univ-rennes1.fr/). **I develop research projects around photoinduced phase transitions and the photo-control of materials on ultra-short time-scales. In the lab, we are performing structural studies (x-ray diffraction and photo-crystallography) and we combine femtosecond optical experiments to ultrafast x-ray studies performed on synchrotron and X-FEL.**
### Eric Collet, ### professor of Physics ### The Institute of Physics of Rennes, mixed research unit [CNRS ](http://blogperso.univ-rennes1.fr/eric.collet/www.cnrs.fr/)- [University Rennes 1](http://www.univ-rennes1.fr/). **I develop research projects around photoinduced phase transitions and the photo-control of materials on ultra-short time-scales. In the lab, we are performing structural studies (x-ray diffraction and photo-crystallography) and we combine femtosecond optical experiments to ultrafast x-ray studies performed on synchrotron and X-FEL.**

Publications

919581

Competing Symmetry Breaking and Spin Crossover in [FeH2L2?Me ](ClO4)2.

Hiroshi Watanabe , Nicolas Bréfuel , Eric Collet , Loïc Toupet , Koichiro Tanaka
European Journal of Inorganic Chemistry, 2013, 2013 (5-6), pp.710-715. ⟨10.1002/ejic.201200878⟩
Article dans une revue hal-00825751v1
Image document

Aperiodic spin state ordering of bistable molecules and its photoinduced erasing

Eric Collet , Hiroshi Watanabe , Nicolas Bréfuel , Lukas. Palatinus , Ludovic Roudaut
Physical Review Letters, 2012, 109 (25), pp.255. ⟨10.1103/PhysRevLett.109.257206⟩
Article dans une revue hal-00768148v1

Dynamical separation of spin and lattice degrees of freedom in the relaxation process from the photo-induced state

H. Watanabe , Nicolas Bréfuel , Shin-Ichiro Mouri , Jean-Pierre Tuchagues , Eric Collet
EPL - Europhysics Letters, 2011, 96, pp.17004. ⟨10.1209/0295-5075/96/17004⟩
Article dans une revue hal-00697449v1

Nanoscale self-hosting of molecular spin-states in the intermediate phase of a spin-crossover material.

Nicolas Bréfuel , Eric Collet , Hiroshi Watanabe , Masaaki Kojima , Naohide Matsumoto
Chemistry - A European Journal, 2010, 16 (47), pp.14060-8. ⟨10.1002/chem.201001264⟩
Article dans une revue hal-00910889v1

Concerted spin crossover and symmetry breaking yield three thermally and one light-induced crystallographic phases of a molecular material.

Nicolas Bréfuel , Hiroshi Watanabe , Loic Toupet , Jérémy Come , Naohide Matsumoto
Angewandte Chemie International Edition, 2009, 121 (49), pp.9468-9471. ⟨10.1002/ange.200904190⟩
Article dans une revue hal-00665492v1

The reciprocal space odyssey of spin-crossover compounds: complex ordering phenomena around stepped or photoinduced transitions 

Eric Collet , N. Bréfuel , Hiroshi Watanabe , Loïc Toupet , K. Tanaka
Réunion GDR Magnétisme et Commutation Moléculaire, Dec 2012, Dourdan, France
Communication dans un congrès hal-00930160v1

Broken symmetries in spin-crossover materials: spin-state ordering vs structural ordering

Eric Collet , H. Watanabe , Hervé Cailleau , Loïc Toupet , L. Roudaut
International School and Symposium on Multifunctional Molecule-based Materials, 2011, Argonne, United States
Communication dans un congrès hal-00703635v1