Scheie, A.
, Kindervater, J.
, Saubert, S.
, Duvinage, C.
, Pfleiderer, C.
, Changlani, H.
, Zhang, S.
, Harriger, L.
, Arpino, K.
, Koohpayeh, S.
and Broholm, C.
(2017),
Reentrant Phase Diagram of Yb<sub>2</sub>Ti<sub>2</sub>O<sub>7</sub> in a [111] Magnetic Field, Physical Review Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=923115
(Accessed October 17, 2025)
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Reentrant Phase Diagram of Yb2Ti2O7 in a [111] Magnetic Field
Published
Author(s)
A. Scheie, J. Kindervater, S. Saubert, C. Duvinage, C. Pfleiderer, H. J. Changlani, S. Zhang, , K. Arpino, S. M. Koohpayeh,
Abstract
We present a phase diagram of rare-earth pyrochlore Yb2Ti2O7 in a (111) magnetic field. Using heat capacity, magnetization, and neutron scattering data, we show an unusual field-dependence of a first-order phase boundary, wherein a small applied field increases the ordering temperature. The zero-field ground state has ferromagnetic domains, while the spins polarize along (111) above 0.65T. While a classical Monte Carlo analysis of published short-range-interaction Hamiltonians does account for the critical field in the low T limit, it fails to account for the lobed phase diagram, suggesting that either long-range interactions or quantum fluctuations govern low field properties.Citation
Physical Review Letters
Volume
119
Issue
12
Pub Type
Journals
Download Paper
Keywords
rare earth, pyrochlore, neutron scattering, magnetism
Citation
Issues
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Created September 21, 2017, Updated October 12, 2021