期刊
CHEMICAL PHYSICS LETTERS
卷 500, 期 1-3, 页码 18-22出版社
ELSEVIER
DOI: 10.1016/j.cplett.2010.09.059
关键词
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资金
- GIS-Advanced Materials in Aquitaine (AMA)
- ANR Agency [ULTIMATE-09-BLAN-0212-03, MOSE-07-BLAN-0274]
- Aquitaine Region
We show that the combination of a free running 80 MHz femtosecond Ti-sapphire oscillator with a nanosecond Nd:YAG laser makes it possible to record in real time, with a nanosecond time resolution, reversible or irreversible phase transitions photo-induced by a single laser pulse. This set-up is used to study the spin state transition photo-induced inside and outside the thermal hysteresis loops of a series of [Fe(NH(2)trz)(3)]X-2 center dot nH(2)O compounds (with X = NO3 and Br). Original dynamics are presented and discussed. The results indicate that at room temperature, it is the laser induced heating that drives the recorded photo-induced phase transition. (C) 2010 Elsevier B.V. All rights reserved.
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