Two independent magnetic sublattices of Er in the Er5 - x LaxGe3 system

I. Felner*, A. Grill

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Magnetic measurements of Er5 - x LaxGe3 with 1 ≤ x ≤ 5 have been done between 4·2 and room temperature. The compounds crystallize in the hexagonal (D88) structure (Mn5Si3 type) with space group P63/mcm. Two independent, ferromagnetic and antiferromagnetic, sublattices of Er exist. The magnetic interaction between the Er atoms in the 6(g) sites is ferromagnetic, while that between the Er atoms in the 4(d) sites is antiferromagnetic. The antiferromagnetic exchange interaction is weak in this system. The first and second La atom substitutes into the 6(g) site, while the third La in Er2La3Ge3 is located in the 4(d) position. The fourth La is probably substituted in such a manner that all the Er atoms are left in the 6(g) sites.

Original languageEnglish
Pages (from-to)581-584
Number of pages4
JournalJournal of Physics and Chemistry of Solids
Volume35
Issue number4
DOIs
StatePublished - 1974

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