Light-induced phase separation (LIPS) into like-spin phases observed by Laue neutron diffraction on a single crystal of [Fe(ptz)6](BF 4)2

Zeitschrift fur Kristallographie

Volumn 223, Issue 4-5, 2008, Pages 250-258

  Varret, François ^a   Boukheddaden, Kamel ^a   Goujon, Antoine ^b   Gillon, Béatrice ^b   McIntyre, Garry J ^c  

^a LABORATOIRE DES SCIENCES DU CLIMAT ET DE L ENVIRONNEMENT   (France)

^b CNRS   (France)

^c INSTITUT LAUE LANGEVIN   (France)

Author keywords

Light induced instability; Neutron diffraction; Phase separation; Photocrystallography; Self organisation under light; Spin transition

Indexed keywords

EID: 44649140754     PISSN: 00442968     EISSN: None     Source Type: Journal    
DOI: 10.1524/zkri.2008.0024     Document Type: Article

References (26)

1. Topics in Current Chemistry, Volume: Spin Crossover in Transition Metal Compounds (Eds. Gütlich, P.; Goodwin, H.) 3 volumes (2004).
2. Sakai, O.; Ogawa, T.; Koshino, T.: Monte Carlo simulation for the photo-induced low-spin to high-spin state transitions - Difference and similarity with the thermal transition. J. Phys. Soc. Japan. 71 (2002) 978.
3. Desaix, A.; Roubeau, O.; Jeftic, J.; Haasnoot, J. G.; Boukheddaden, K.; Codjovi, E.; Linares, J.; Nogues, M.; Varret, F.: Light-induced bistability in spin transition solids leading to thermal and optical hysteresis. Eur. Phys. J. B6 (1998) 183.
4. Hauser, A.: Intersystem crossing in Fe(II) coordination compounds. Coord. Chem Rev. 111 (1991) 275.
5. 2 spin-crossover systems. Inorg. Chem. 25 (1986) 4245.
6. 2 under photo-excitation - condensation of photo-excited high-spin ions. J. Phys. Soc. Japan 71 (2002) 2609.
7. Hanawa, M.; Morimoto, Y.; Kuriki, A.; Tateishi, J.; Kato, K.; Takata, M.; Sakata, M.: Coherent domain growth under photo-excitation in a Prussian blue analogue. J. Phys. Soc. Japan 72 (2003) 987.
8. Huby, N.; Guérin, L.; Collet, E.; Toupet, L.; Ameline, J.-C.; Cailleau, H.; Roisnel, T.; Tayagaki, T.; Tanaka, K.: Photoinduced spin transition probed by X-ray diffraction. Phys. Rev B69 (2004) 020101 (R).
9. Létard, J.-F.; Guionneau, P.; N'Guyen, O.; Sanchez, J.; Marcen, S.; Chastanet, G.; Marchivie, M.; Capes-Goux, L.: A guideline to the design of molecular-based materials with long-lived photomagnetic lifetimes. Chem Eur. J. 11 (2005) 4582.
10. 2] compound Phys. Rev. B73 (2006) 060408(R).
11. 2 showing continuous photoinduced transformation. Phys. Rev B73 (2006) 104413.
12. 2 (x = 0.1, 1; ptz = 1-propyltetrazole). J. Phys. Chem. Solids. 57 (1996) 1743.
13. 2 spin-crossover single crystal. Europhys Lett. 77 (2007) 30007.
14. Varret, F.; Boukheddaden, K., Jeftic, J.; Roubeau, O.: A macroscopic approach to the light-induced instability of cooperative photo-switchable systems. Mol. Cryst. & Liq. Cryst. 334(2) (1999) 1273.
15. Wilkinson, C.; Cowan, J. A.; Myles, D. A.; Cipriani, A.; McIntyre, G. J.: VIVALDI - A Thermal-Neutron Laue Diffractometer for Physics, Chemistry and Materials Science. Neutron News 13 (2002) 37; McIntyre, G. J; Lemée-Cailleau, M.-H.; Wilkinson, C.: High-speed neutron Laue diffraction comes of age. Physica B 385-386 (2006) 1055.
16. Kindly provided by Prof. Jelena Jeftic, ENSCR, Université de Rennes, France.
17. Kusz, J.; Spiering, H.; Gütlich, P.: X-ray study of the light-induced metastable state of a spin-crossover compound. J. Appl. Cryst. 33 (2000) 201.
18. Campbell, J. W.: LAUEGEN, an X-windows-based program for the processing of Laue diffraction data. J. Appl. Cryst. 28 (1995) 228.
19. Campbell, J. W.; Hao, Q.; Harding, M. M.; Nguti, N. D.; Wilkinson, C.: LAUEGEN version 6.0 and INTLDM. J. Appl. Cryst. 31 (1998) 496.
20. 2 studied by Raman spectroscopy. Chem. Phys. Lett. 402 (2005) 503.
21. Rasband, W. S.: ImageJ, U. S. National Institutes of Health, Bethesda, Maryland, USA, http://rsb.info.nih.gov/ij/, 1997-2007.
22. Enachescu, C.; Constant, H.; Codjovi, E.; Linares, J.; Boukheddaden, K.; Varret, F.: Direct access to the photo-excitation and relaxation terms in photo-switchable solids: non-linear aspects. J. Phys. Chem. Solids. 62 (2001) 1409.
23. Enachescu, C.; Oetliker, U.; Hauser, A.: The quantum efficiency of the photo-excitation in a Fe(II) spin-crossover compound. J. Phys. Chem. B106 (2002) 37.
24. Varret, F.; Boukheddaden, K.; Codjovi, E.; Maurin, I.; Ohkoshi, S.; Hashimoto, K.: Light-induced thermal hysteresis and intensity thresholds in molecular switcheable solids, by mean-field macroscopic master equation approach: Discussion of the experimental data obtained for Co-Fe Prussian Blue Analogues. Polyhedron. 24 (2005) 2857.
25. 2. Chem. Phys. Lett. 192 (1992) 65.
26. Barkhausen, H.G.: Zwei mit Hilfe der neuen Verstärker entdeckte Erscheinungen. Phys. Z. 20 (1919) 401-402.