Journal Article

FZJ-2014-03259

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Coexistence of long range magnetic order and intervalent state of Eu in EuCu2(Si x Ge1 − x )2: Evidence from neutron diffraction and spectroscopic studies

Alekseev, P. (Corresponding Author) ; Nemkovskiy, K.FZJ* ; Kozlenko, D. P. ; Menushenkov, A. P. ; Yaroslavtsev, A. A. ; Gribanov, A. V. ; Clementyev, E. S. ; Pantalei, C. ; Klobes, B.FZJ* ; Hermann, R.FZJ*

2014
Springer Heidelberg [u.a.]

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Please use a persistent id in citations: doi:10.1134/S0021364014030023

Abstract: Experimental results of the X-ray absorption spectroscopy, Mössbauer spectroscopy (isomer shift) and neutron diffraction are presented for the series of EuCu2(Si x Ge1 − 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.

Keyword(s): Basic research (1st) ; Others (1st) ; Information Technology and Functional Materials (1st) ; Magnetism (2nd)

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Contributing Institute(s):

1. Streumethoden (JCNS-2)
2. Streumethoden (PGI-4)
3. JARA-FIT (JARA-FIT)
4. JCNS-FRM-II (JCNS (München) ; Jülich Centre for Neutron Science JCNS (München) ; JCNS-FRM-II)

Research Program(s):

1. 544 - In-house Research with PNI (POF2-544) (POF2-544)

Experiment(s):

1. External Measurement

Appears in the scientific report 2014

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Database coverage:
JCR ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection ; Zoological Record

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