Verwey transition in Eu4As3

Wortmann, G. ; Sampathkumaran, E. V. ; Kaindl, G. (1986) Verwey transition in Eu4As3 Journal of Magnetism and Magnetic Materials, 54-57 . pp. 338-340. ISSN 0304-8853

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/030488...

Related URL: http://dx.doi.org/10.1016/0304-8853(86)90609-8

Abstract

The mixed-valent compound Eu4As3 is studied by 151Eu Mössbauer spectroscopy in the temperature range from 4.2 to 575 K. The Mössbauer spectra are characterized by distinct Eu2+ and Eu3+ resonances below ≈340 K and a single intermediate resonance at higher temperatures. The data indicate the existence of a Verwey transition at about 340 K.

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