Ferro-and antiferromagnetic behaviors of some organometallic and coordinated compounds

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Title:	Ferro-and antiferromagnetic behaviors of some organometallic and coordinated compounds
Authors:	魏和祥;Wei, Ho-hsiang;Chang, Y. F.
Contributors:	淡江大學化學學系補正完畢
Date:	1992-02
Issue Date:	2009-12-01
Publisher:	Materials Research Society
Abstract:	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
Relation:	Materials Research Society symposium proceedings 247, pp.463-468
DOI:	10.1557/PROC-247-463
Appears in Collections:	[Graduate Institute & Department of Chemistry] Journal Article

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