journal article·2018-10

Physicochemical and structural analysis of MBE grown Eu x Mn y films

K. Balin, A. Nowak, J. Szade, Z. Celinski

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Abstract

Abstract The formation of new binary compounds between europium and manganese in the form of thin films has been studied. X-ray Reflectivity, Reflection High Energy Electron Diffraction and X-ray Photoelectron Spectroscopy confirmed intermixing at elevated temperatures. X-ray Diffraction indicated the formation of new Eu-Mn based compounds; cubic structure with the lattice parameters a = 6.98 A, and hexagonal EuMn5 (a = 5.20 A, c = 4.01 A). Valence transitions from Eu2+ to Eu3+ were observed for certain stoichiometries. A transition to a magnetically ordered phase was observed for selected films in the Eu-Mn system at 15 K, 43 K and 62 K.
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Research context

OpenAlex topics: Rare-earth and actinide compounds · Magnetic Properties of Alloys · Magnetic properties of thin films

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