Photoinduced Phase Transition and Relaxation Behavior in a Spin-Crossover Fe (II) Complex Nafion–[Fe(Htrz)3] Film

Photoinduced Phase Transition and Relaxation Behavior in a Spin-Crossover Fe (II) Complex Nafion–[Fe(Htrz)3] Film
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自旋交叉 Fe (II) 络合物 Nafion–[Fe(Htrz)3] 薄膜中的光致相变和弛豫行为

DOI:
10.1143/jpsj.70.2521
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发表时间:
2001
影响因子:
1.7
通讯作者:
N. Kojima
N. Kojima
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Xiao;Y. Moritomo;A. Nakamura;Takuya Hirao;Shuji Toyazaki;N. Kojima

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我们观察到了自旋交叉Fe(II)络合物Nafion-[Fe(Htrz)3]薄膜(Nafion是一种离子交换聚合物薄膜,Htrz=1,2,4-1H-三氮唑)在150K以下从低自旋(LS)态(S=0)到高自旋(HS)态(S=2)的光致相变。光转移的HS态弛豫到LS态的初始状态,表现出非指数时间行为,用LS团簇的临界成核和随后的生长来解释。我们还观察到,在4.2K-20K的低温范围内,衰变时间τ_c近似与温度无关,然后随温度呈指数减小。
We have observed a photoinduced phase transition (PIPT) in a spin-crossover Fe (II) complex Nafion–[Fe(Htrz) 3 ] film (Nafion is an ion exchange polymer film, and Htrz=1, 2, 4-1H-triazole) from a low-spin (LS) state ( S =0) to a high-spin (HS) state ( S =2) below 150 K. The phototransferred HS state relaxes to the initial LS state, exhibiting a nonexponential time behavior, which has been interpreted in terms of the critical nucleation and subsequent growth of the LS clusters. We have also observed that the decay time τ c is approximately temperature-independent in the low temperature range of 4.2–20 K, and then decreases exponentially with temperature.
DOI: --
发表时间: 2001
期刊: Phys.Rev.Lett. 86
影响因子: --
作者:
Takeshi TAYAGAKI;Koichiro Tanaka
通讯作者: Koichiro Tanaka
产生生长激素的垂体腺瘤术后照射 18 年后肉瘤转化
DOI: --
发表时间: 2018
期刊:
影响因子: --
作者:
岡田正康;米岡有一郎;大石誠;藤井幸彦
通讯作者: 藤井幸彦