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    題名: Ferro-and antiferromagnetic behaviors of some organometallic and coordinated compounds
    作者: 魏和祥;Wei, Ho-hsiang;Chang, Y. F.
    貢獻者: 淡江大學化學學系
    補正完畢
    日期: 1992-02
    上傳時間: 2009-12-01
    出版者: Materials Research Society
    摘要: Several new examples of ferro- and antiferromagnetic organometallic and coordinated compounds have been investigated by means of the temperature-dependent magnetic measurements and Mössbauer spectroscopy. Above 70 K the Cu3 [Fe(CN)6] 2-4H2O compound is ferromagnetic as it obeys the Curie-Weiss experession, χm= C/(T-θ), with θ = 25 K; μeff evalued at 200 K is 4.91 μβ. Below 20 K this compound displays the onset of spontaneous magnetization in zero applied field. Above 10 K the Cu[(bpy>2] 3 [Fe(CN)6] 2.5H2O is also ferromagnetic (θ= 2.5 K). Above 20 K the antiferromagnetic [Fe(C5H4Me)2] + [TCNOJ- (θ= 3.25 K) and [Fe(C5H4Me)2]+[TCNE]- (θ= -3.64 K) obey the Curie-Weiss expression. The e.p.r. and Mössbauer spectra for these compounds have been discussed
    關聯: Materials Research Society symposium proceedings 247, pp.463-468
    顯示於類別:[化學學系暨研究所] 期刊論文

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