Magnetic structures of R₅Ni₂In₄ and R₁₁Ni₄In₉ ( R = Tb and Ho): Strong hierarchy in the temperature dependence of the magnetic ordering in the multiple rare-earth sublattices

Journal Article · 08 November 2015 · Journal of Physics. Condensed Matter

DOI: https://doi.org/10.1088/0953-8984/27/47/476001 · OSTI ID:1234463

Ritter, C. ^[1]; Provino, A. ^[2]; Manfrinetti, P. ^[2]; Pecharsky, V. K. ^[3]; Gschneidner, Jr., K. A. ^[3]; Dhar, S. K. ^[4]

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1. Institut Laue-Langevin, Grenoble (France)
2. Iowa State Univ., Ames, IA (United States); Univ. of Genova, Genova (Italy); Institute SPIN-CNR, Genova (Italy)
3. Iowa State Univ., Ames, IA (United States)
4. T.I.F.R., Mumbai (India)

In this study, the magnetic properties and magnetic structures of the R₅Ni₂In₄ and the microfibrous R ₁₁Ni₄In₉ compounds with R = Tb and Ho have been examined using magnetization, heat capacity, and neutron diffraction data. Rare earth atoms occupy three and five symmetrically inequivalent rare earth sites in R₅Ni₂In₄ and R ₁₁Ni₄In₉ compounds, respectively. As a result of the intra- and inter-magnetic sublattice interactions, the magnetic exchange interactions are different for various rare earth sites; this leads to a cascade of magnetic transitions with a strong hierarchy in the temperature dependence of the magnetic orderings.

• Research Organization: Ames Lab. (AMES), Ames, IA (United States)
• Sponsoring Organization: USDOE
• Grant/Contract Number: AC02-07CH11358
• OSTI ID: 1234463
• Report Number(s): IS-J--8873
• Journal Information: Journal of Physics. Condensed Matter, Journal Name: Journal of Physics. Condensed Matter Journal Issue: 47 Vol. 27; ISSN 0953-8984
• Publisher: IOP PublishingCopyright Statement
• Country of Publication: United States
• Language: English