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Title: Magnetism and local symmetry breaking in a Mott insulator with strong spin orbit interactions

Abstract

Study of the combined effects of strong electronic correlations with spin-orbit coupling (SOC) represents a central issue in quantum materials research. Predicting emergent properties represents a huge theoretical problem since the presence of SOC implies that the spin is not a good quantum number. Existing theories propose the emergence of a multitude of exotic quantum phases, distinguishable by either local point symmetry breaking or local spin expectation values, even in materials with simple cubic crystal structure such as Ba2NaOsO6. Experimental tests of these theories by local probes are highly sought for. Our local measurements designed to concurrently probe spin and orbital/lattice degrees of freedom of Ba2NaOsO6 provide such tests. As a result, we show that a canted ferromagnetic phase which is preceded by local point symmetry breaking is stabilized at low temperatures, as predicted by quantum theories involving multipolar spin interactions.

Authors:
 [1];  [1];  [1];  [2];  [2];  [3];  [3];  [1]
  1. Brown Univ., Providence, RI (United States)
  2. National High Magnetic Field Lab., Tallahassee, FL (United States)
  3. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1347556
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 8; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; electronic properties and materials; magnetic properties and materials

Citation Formats

Lu, L., Song, M., Liu, W., Reyes, A. P., Kuhns, P., Lee, H. O., Fisher, I. R., and Mitrovic, V. F. Magnetism and local symmetry breaking in a Mott insulator with strong spin orbit interactions. United States: N. p., 2017. Web. doi:10.1038/ncomms14407.
Lu, L., Song, M., Liu, W., Reyes, A. P., Kuhns, P., Lee, H. O., Fisher, I. R., & Mitrovic, V. F. Magnetism and local symmetry breaking in a Mott insulator with strong spin orbit interactions. United States. https://doi.org/10.1038/ncomms14407
Lu, L., Song, M., Liu, W., Reyes, A. P., Kuhns, P., Lee, H. O., Fisher, I. R., and Mitrovic, V. F. Thu . "Magnetism and local symmetry breaking in a Mott insulator with strong spin orbit interactions". United States. https://doi.org/10.1038/ncomms14407. https://www.osti.gov/servlets/purl/1347556.
@article{osti_1347556,
title = {Magnetism and local symmetry breaking in a Mott insulator with strong spin orbit interactions},
author = {Lu, L. and Song, M. and Liu, W. and Reyes, A. P. and Kuhns, P. and Lee, H. O. and Fisher, I. R. and Mitrovic, V. F.},
abstractNote = {Study of the combined effects of strong electronic correlations with spin-orbit coupling (SOC) represents a central issue in quantum materials research. Predicting emergent properties represents a huge theoretical problem since the presence of SOC implies that the spin is not a good quantum number. Existing theories propose the emergence of a multitude of exotic quantum phases, distinguishable by either local point symmetry breaking or local spin expectation values, even in materials with simple cubic crystal structure such as Ba2NaOsO6. Experimental tests of these theories by local probes are highly sought for. Our local measurements designed to concurrently probe spin and orbital/lattice degrees of freedom of Ba2NaOsO6 provide such tests. As a result, we show that a canted ferromagnetic phase which is preceded by local point symmetry breaking is stabilized at low temperatures, as predicted by quantum theories involving multipolar spin interactions.},
doi = {10.1038/ncomms14407},
journal = {Nature Communications},
number = ,
volume = 8,
place = {United States},
year = {Thu Feb 09 00:00:00 EST 2017},
month = {Thu Feb 09 00:00:00 EST 2017}
}

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Works referenced in this record:

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Works referencing / citing this record:

[OsF 6 ] x : Molecular Models for Spin-Orbit Entangled Phenomena
journal, July 2017

  • Pedersen, Kasper S.; Woodruff, Daniel N.; Singh, Saurabh Kumar
  • Chemistry - A European Journal, Vol. 23, Issue 47
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Phase transition preceding magnetic long-range order in the double perovskite Ba 2 NaOsO 6
journal, July 2019


Ordering of hidden multipoles in spin-orbit entangled 5 d 1 Ta chlorides
journal, July 2019


Anisotropic field-induced ordering in the triangular-lattice quantum spin liquid NaYbSe 2
journal, December 2019


Octupolar order in d -orbital Mott insulators
journal, February 2020


Nature of lattice distortions in the cubic double perovskite Ba 2 NaOsO 6
journal, June 2018


Field-induced instability of the quantum spin liquid ground state in the J eff = 1 2 triangular-lattice compound NaYbO 2
journal, May 2019


Spin-Orbit Dimers and Noncollinear Phases in d 1 Cubic Double Perovskites
journal, May 2017


Octupolar versus Néel Order in Cubic 5 d 2 Double Perovskites
journal, February 2020


Frustrated Magnetism in Triangular Lattice TlYbS2 Crystals Grown via Molten Flux
journal, February 2020


Octupolar order in d-orbital Mott insulators
text, January 2019


Frustrated Magnetism in Triangular Lattice TlYbS$_2$ Crystals Grown via Molten Flux
text, January 2020