Light-induced phase separation in the [Fe(ptz)6] (BF4)2 spin-crossover single crystal

Light-induced phase separation in the [Fe(ptz)6] (BF4)2 spin-crossover single crystal

We present novel insight on like-spin domains (LSD) in cooperative spin transition solids by following the photo-transformation and the subsequent relaxation of a [Fe(ptz)6](BF4)2 single crystal in the vicinity of the light-induced instability. Self-organization under light is observed, accompanied...

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Veröffentlicht in:Europhysics letters 2007-02, Vol.77 (3), p.30007-30007 (5)
Hauptverfasser: Varret, F, Boukheddaden, K, Chong, C, Goujon, A, Gillon, B, Jeftic, J, Hauser, A
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Chemical Sciences
Organic chemistry
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container_issue 3
container_start_page 30007
container_title Europhysics letters
container_volume 77
creator Varret, F
Boukheddaden, K
Chong, C
Goujon, A
Gillon, B
Jeftic, J
Hauser, A
description We present novel insight on like-spin domains (LSD) in cooperative spin transition solids by following the photo-transformation and the subsequent relaxation of a [Fe(ptz)6](BF4)2 single crystal in the vicinity of the light-induced instability. Self-organization under light is observed, accompanied by Barkhausen-like noise and jumps which reveal the presence of elastic interactions between LSDs. The light-induced phase separation process is discussed in terms of a dynamic potential providing spinodal instability in the corresponding temperature range. This useful concept is applicable to all types of switchable molecular solids.
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title Light-induced phase separation in the [Fe(ptz)6] (BF4)2 spin-crossover single crystal
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