A Novel Spin Transition Compound with Hysteresis [Fe(PhCH=Ntrz)3](BF4)2·3H2O

Chem. J. Chinese Universities ›› 1998, Vol. 19 ›› Issue (7): 1020.

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A Novel Spin Transition Compound with Hysteresis [Fe(PhCH=Ntrz)₃](BF₄)₂·3H₂O

WANG Hong-Mei¹, LI Li-Cun¹, YANG Guang-Ming¹, LIAO Dai-Zheng¹, YAN Shi-Ping¹, JIANG Zong-Hui¹, WANG Geng-Lin¹, WU Wei-Fang², WANG Yun-Bo²

1. Department of Chemistry, Nankai University, Tianjin, 300071;
2. Institute of High Energy Physics, Chinese Academy of Science, Beijing, 100080

Received:1998-02-10 Online:1998-07-24 Published:1998-07-24

Abstract

Abstract: Spin transition complexes are of great interest because of their potential application in molecular based electronic devices such as optical memory and switches. Anovel linear polynuclear spin transition complex[Fe(PhCH=Ntrz)₃](BF₄)₂·3H₂O(where PhCHNtrz stood for the Schiff base condensed by 4-NH₂-1,2,4-triazole and benzaldehyde) was synthesized and characterized by elemental analysis, molar conductance, IR and UV-V is spectra, magnetic measurements and temperature-dependence optical detection. The spin transition occurred at 105～235 K with hysteresis and pronounced thermochromism. T_C↑=180 K, T_C↓=169 K, hysteresis width 11 K.

Key words: Iron(Ⅱ) complex, Spin transition, Hysteresis, Thermochromism

CLC Number:

O614.81

TrendMD:

WANG Hong-Mei, LI Li-Cun, YANG Guang-Ming, LIAO Dai-Zheng, YAN Shi-Ping, JIANG Zong-Hui, WANG Geng-Lin, WU Wei-Fang, WANG Yun-Bo. A Novel Spin Transition Compound with Hysteresis [Fe(PhCH=Ntrz)₃](BF₄)₂·3H₂O[J]. Chem. J. Chinese Universities, 1998, 19(7): 1020.

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A Novel Spin Transition Compound with Hysteresis [Fe(PhCH=Ntrz)₃](BF₄)₂·3H₂O

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