New time-differential Mössbauer emission measurements on the high-spin→low-spin relaxation in [57Co/Co(phen)3](ClO4)2期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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New time-differential Mössbauer emission measurements on the high-spin→low-spin relaxation in [57Co/Co(phen)3](ClO4)2

Authors:	C Hennen M Alflen H Spiering P Gütlich

Institution:	1. Institut für Anorganische und Analytische Chemie, Johannes-Gutenberg-Universit?t, D-6500, Mainz, FRG

Abstract:	Using our new spectrometer for time-differential Mössbauer emission spectroscopy we reinvestigated the high-spin→low-spin relaxation following the⁵⁷Co(EC)⁵⁷Fe process in ⁵⁷Co/Co(phen)₃](ClO₄)₂ (phen=1,10-phenanthroline). In contrast to former investigations we found a temperature dependent initial population less than 1 for the metastable high-spin states. The results and the data evaluation method are presented.

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