A photochromic molecule-based magnet

被引：154
作者：
Bénard, S
Rivière, E
Yu, P
Nakatani, K
Delouis, JF
机构：
[1] Univ Paris 11, Chim Inorgan Lab, UMR 8613, F-91405 Orsay, France
[2] Ecole Normale Super, UMR 8531, PPSM, F-94235 Cachan, France
来源：
CHEMISTRY OF MATERIALS | 2001年 / 13卷 / 01期
关键词：
D O I：
10.1021/cm001163p
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A molecule-based magnet of formula (SP)MnCr(ox)(3).H2O has been synthesized, where SP+ stands for a new N-methylated pyridospiropyran cation and ox(2-) represents the oxalate anion. The compound orders ferromagnetically at 5.5 K and exhibits crystalline-state photochromism. The main spectrokinetic data of the UV-induced open form of SP+ are strongly modified in (SP)MnCr(ox)(3).H2O as compared to those found in (SP)I. The reversible photoreaction of SP+ does not modulate the critical temperature of the long-range ferromagnetic order in (SP)MnCr(ox)(3).H2O but modifies in a significant way its hysteresis loop.
引用
收藏
页码：159 / 162
页数：4
相关论文
共 27 条
  • [1] [Anonymous], 2000, CHEM REV, P100
  • [2] [Anonymous], J AM CHEM SOC
  • [3] Photoinduced manipulations of photochromes in polymers: Anisotropy, modulation of the NLO properties and creation of surface gratings
    Atassi, Y
    Chauvin, J
    Delaire, JA
    Delouis, JF
    Fanton-Maltey, I
    Nakatani, K
    [J]. PURE AND APPLIED CHEMISTRY, 1998, 70 (11) : 2157 - 2166
  • [4] Atovmyan LO, 1997, RUSS J COORD CHEM+, V23, P640
  • [5] Bénard S, 2000, ADV MATER, V12, P48
  • [6] Spiropyrans and spirooxazines for memories and switches
    Berkovic, G
    Krongauz, V
    Weiss, V
    [J]. CHEMICAL REVIEWS, 2000, 100 (05) : 1741 - 1753
  • [7] Design of strongly NLO-active molecularly-based ferromagnets
    Bernard, S
    Yu, P
    Coradin, T
    Riviere, E
    Nakatani, K
    Clement, R
    [J]. ADVANCED MATERIALS, 1997, 9 (12) : 981 - +
  • [8] BERTELSON RC, 1999, ORGANIC PHOTOCHROMIC, pCH1
  • [9] Photoinduced ferrimagnetic systems in Prussian blue analogues Cx(I)Co4[Fe(CN)6]y (CI = alkali cation).: 1.: Conditions to observe the phenomenon
    Bleuzen, A
    Lomenech, C
    Escax, V
    Villain, F
    Varret, F
    Moulin, CCD
    Verdaguer, M
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2000, 122 (28) : 6648 - 6652
  • [10] Coe BJ, 1999, CHEM-EUR J, V5, P2464, DOI 10.1002/(SICI)1521-3765(19990903)5:9<2464::AID-CHEM2464>3.0.CO
123