Bibliographic Details
| Title: |
Phase diagram of Ba [formula omitted] NaOsO [formula omitted], a Mott insulator with strong spin orbit interactions. |
| Authors: |
Liu, W.1, Cong, R.1, Garcia, E.1, Reyes, A.P.2, Lee, H.O.3, Fisher, I.R.3, Mitrović, V.F.1 vemi@brown.edu |
| Source: |
Physica B. May2018, Vol. 536, p863-866. 4p. |
| Subjects: |
Barium compounds, Phase diagrams, Spin-orbit interactions, Topological insulators, Magnetic fields, Symmetry breaking |
| Abstract: |
We report 23 Na nuclear magnetic resonance (NMR) measurements of the Mott insulator with strong spin-orbit interaction Ba 2 NaOsO 6 as a function of temperature in different magnetic fields ranging from 7 T to 29 T. The measurements, intended to concurrently probe spin and orbital/lattice degrees of freedom, are an extension of our work at lower fields reported in Lu et al. (2017) [1]. We have identified clear quantitative NMR signatures that display the appearance of a canted ferromagnetic phase, which is preceded by local point symmetry breaking. We have compiled the field temperature phase diagram extending up to 29 T. We find that the broken local point symmetry phase extends over a wider temperature range as magnetic field increases. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
