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Synthesis, Structure, and Complex Magnetism of MIr2In8 (M = Eu, Sr)

TitleSynthesis, Structure, and Complex Magnetism of MIr2In8 (M = Eu, Sr)
Publication TypeJournal Article
Year of Publication2016
AuthorsCalta, NP, Bud'ko, SL, Rodriguez, AP, Han, F, Chung, DY, Kanatzidis, MG
JournalInorganic Chemistry
Volume55
Pagination3128-3135
Date Published03
Type of ArticleArticle
ISBN Number0020-1669
Accession NumberWOS:000372677800053
Keywordsbehavior, chemistry, electron, filled variant, flux, growth, Intermetallic compounds, IR, nd, single-crystals, superconductivity
Abstract

e diamagnetic contribution from core electrons overwhelms the expected Pauli paramagnetism normally seen in intermetallic compounds. Magnetism in EuIr2In8 is dominated by the local Eu moments, which order antiferromagnetically at 5 K in low applied fields. Increasing,the field strength depresses the magnetic ordering temperature and also induces a spin reorientation at lower temperature, indicating complex competing magnetic interactions. Low temperature heat capacity measurements show a significant enhancement of the Sommerfeld coefficient in EuIr2In8 relative to that in SrIr2In8, with estimated values of gamma = 118(3) and 18.0(2) mJ mol(-1) K-2, respectively.

DOI10.1021/acs.inorgchem.6b00059
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Complex States

Alternate JournalInorg. Chem.