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
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[Fe(ptz)6](BF4)2 自旋交叉单晶中的光致相分离

DOI:
10.1209/0295-5075/77/30007
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发表时间:
2007
期刊:
EPL (Europhysics Letters)
影响因子:
--
通讯作者:
A. Hauser
A. Hauser
中科院分区:
--
文献类型:
--
作者:
F. Varret;K. Boukheddaden;C. Chong;A. Goujon;B. Gillon;J. Jeftić;A. Hauser

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通过跟踪[Fe(ptz)6](BF4)2单晶在光致不稳定性附近的光致相变和随后的弛豫过程,我们提出了关于合作自旋跃迁固体中类自旋畴(LSD)的新见解.在光下观察到自组织,伴随着Barkhausen样的噪声和跳跃,揭示了LSD之间存在弹性相互作用。光诱导相分离过程中讨论了在相应的温度范围内的动态势提供旋节不稳定性。这个有用的概念适用于所有类型的可切换分子固体。
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.
“光激发自旋交叉复合体中高自旋物种的合作形成”。
DOI: --
发表时间: 2006
期刊: Phys. Rev. B73
影响因子: --
作者:
Y. Moritomo;M. Kamiya;A. Nakamura;A. Nakamoto;N. Kojima
通讯作者: N. Kojima