Strongly gapped spin-wave excitation in the insulating phase of
Abstract
Here, NaOsO3 hosts a rare manifestation of a metal-insulator transition driven by magnetic correlations, placing the magnetic exchange interactions in a central role. We use resonant inelastic x-ray scattering to directly probe these magnetic exchange interactions. A dispersive and strongly gapped (58 meV) excitation is observed, indicating appreciable spin-orbit coupling in this 5d3 system. The excitation is well described within a minimal model Hamiltonian with strong anisotropy and Heisenberg exchange (J1=J2=13.9meV). The observed behavior places NaOsO3 on the boundary between localized and itinerant magnetism.
- Authors:
-
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Univ. College London, London (United Kingdom); Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne (Switzlerland)
- IFW Dresden, Dresden (Germany)
- Univ. College London, London (United Kingdom)
- Univ. College London, London (United Kingdom); Diamond Light Source Ltd., Oxfordshire (United Kingdom)
- European Synchrotron Radiation Facility, Grenoble Cedex (France)
- Brookhaven National Lab. (BNL), Upton, NY (United States); Chinese Academy of Sciences (CAS), Beijing (China)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Chinese Academy of Sciences (CAS), Beijing (China); National Institute for Materials Science, Ibaraki (Japan)
- National Institute for Materials Science, Ibaraki (Japan)
- National Institute for Materials Science, Ibaraki (Japan); Hokkaido Univ., Hokkaido (Japan)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- Chinese Academy of Sciences (CAS); USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1369058
- Alternate Identifier(s):
- OSTI ID: 1341272; OSTI ID: 1435736; OSTI ID: 1485013; OSTI ID: 1486923
- Report Number(s):
- BNL-203590-2018-JAAM
Journal ID: ISSN 2469-9950; PRBMDO; 132622; TRN: US1702653
- Grant/Contract Number:
- AC02-06CH11357; SC00112704; SC0012704; AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 95; Journal Issue: 2; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE
Citation Formats
Calder, S., Vale, J. G., Bogdanov, N., Donnerer, C., Pincini, D., Sala, M. Moretti, Liu, X., Upton, M. H., Casa, D., Shi, Y. G., Tsujimoto, Y., Yamaura, K., Hill, J. P., van den Brink, J., McMorrow, D. F., and Christianson, A. D. Strongly gapped spin-wave excitation in the insulating phase of NaOsO3. United States: N. p., 2017.
Web. doi:10.1103/PhysRevB.95.020413.
Calder, S., Vale, J. G., Bogdanov, N., Donnerer, C., Pincini, D., Sala, M. Moretti, Liu, X., Upton, M. H., Casa, D., Shi, Y. G., Tsujimoto, Y., Yamaura, K., Hill, J. P., van den Brink, J., McMorrow, D. F., & Christianson, A. D. Strongly gapped spin-wave excitation in the insulating phase of NaOsO3. United States. https://doi.org/10.1103/PhysRevB.95.020413
Calder, S., Vale, J. G., Bogdanov, N., Donnerer, C., Pincini, D., Sala, M. Moretti, Liu, X., Upton, M. H., Casa, D., Shi, Y. G., Tsujimoto, Y., Yamaura, K., Hill, J. P., van den Brink, J., McMorrow, D. F., and Christianson, A. D. Mon .
"Strongly gapped spin-wave excitation in the insulating phase of NaOsO3". United States. https://doi.org/10.1103/PhysRevB.95.020413. https://www.osti.gov/servlets/purl/1369058.
@article{osti_1369058,
title = {Strongly gapped spin-wave excitation in the insulating phase of NaOsO3},
author = {Calder, S. and Vale, J. G. and Bogdanov, N. and Donnerer, C. and Pincini, D. and Sala, M. Moretti and Liu, X. and Upton, M. H. and Casa, D. and Shi, Y. G. and Tsujimoto, Y. and Yamaura, K. and Hill, J. P. and van den Brink, J. and McMorrow, D. F. and Christianson, A. D.},
abstractNote = {Here, NaOsO3 hosts a rare manifestation of a metal-insulator transition driven by magnetic correlations, placing the magnetic exchange interactions in a central role. We use resonant inelastic x-ray scattering to directly probe these magnetic exchange interactions. A dispersive and strongly gapped (58 meV) excitation is observed, indicating appreciable spin-orbit coupling in this 5d3 system. The excitation is well described within a minimal model Hamiltonian with strong anisotropy and Heisenberg exchange (J1=J2=13.9meV). The observed behavior places NaOsO3 on the boundary between localized and itinerant magnetism.},
doi = {10.1103/PhysRevB.95.020413},
journal = {Physical Review B},
number = 2,
volume = 95,
place = {United States},
year = {Mon Jan 23 00:00:00 EST 2017},
month = {Mon Jan 23 00:00:00 EST 2017}
}
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Figures / Tables:
FIG. 1: (a) Excitations measured in NaOsO3 at various fixed incident energies through the Os L-edge using RIXS. Three inelastic peaks are observed labeled EB, EC and ED. The solid (dashed) gray line indicates the incident energy that yields the maximum intensity for EB (EC). (b) RIXS measurement at fixedmore »
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Works referencing / citing this record:
Possible Origin of the Absence of Magnetic Order in LiOsO 3 : Spin–Orbit Coupling Controlled Ground State
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Doping-induced insulator-metal transition in the Lifshitz magnetic insulator NaOsO 3
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Spin-orbit coupling induced magnetic anisotropy and large spin wave gap in NaOsO 3
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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.