Abstract
Experimental results of the Xray absorption spectr oscopy, Mossbauer spectroscopy (isomer shift) and neu� tron diffraction are presented for the series of EuCu2(SixGe 1- x)2 polycrystalline samples (0 < x < 0.75). Homogeneous intermediate valence state is established for Eu ions as well as long range magnetically ordered state at the temperatures below 10-15 K. Observation of the ordered magnetic moments at Eu site gives rise to the experimental statement for the coexistence of valence fluctuations and long range magnetic order takes place in the wide range of Ge concentrations for this substance.
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