Ultrafast dynamics of localized magnetic moments in the unconventional Mott insulator Sr2IrO4
Abstract
We report a time-resolved study of the ultrafast dynamics of the magnetic moments formed by the states in Sr2IrO4 by directly probing the localized iridium 5d magnetic state through resonant x-ray diffraction. Using optical pump-hard x-ray probe measurements, two relaxation time scales were determined: a fast fluence-independent relaxation is found to take place on a time scale of 1.5 ps, followed by a slower relaxation on a time scale of 500 ps-1.5 ns.
- Authors:
-
- SLAC National Accelerator Lab., Menlo Park, CA (United States); European X-ray Free-Electron Laser (XFEL), Hamburg (Germany)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Univ. of California, Berkeley, CA (United States)
- Stanford Univ., Menlo Park, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
- European X-ray Free-Electron Laser (XFEL), Hamburg (Germany); TU Bergakademie Freiberg, Freiberg (Germany); IT MO Univ., St. Petersburg (Russia)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1332926
- Alternate Identifier(s):
- OSTI ID: 1294596; OSTI ID: 1456949
- Grant/Contract Number:
- AC02-06CH11357; AC02-76SF00515; AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Physics. Condensed Matter
- Additional Journal Information:
- Journal Volume: 28; Journal Issue: 32; Journal ID: ISSN 0953-8984
- Publisher:
- IOP Publishing
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; iridates; spin-orbit coupling materials; free-electron laser science; resonant diffraction; ultra-fast x-ray studies; magnetism; 74 ATOMIC AND MOLECULAR PHYSICS
Citation Formats
Krupin, O., Dakovski, G. L., Kim, B. J., Kim, J. W., Kim, Jungho, Mishra, S., Chuang, Yi -De, Serrao, C. R., Lee, W. -S., Schlotter, W. F., Minitti, M. P., Zhu, D., Fritz, D., Chollet, M., Ramesh, R., Molodtsov, S. L., and Turner, J. J. Ultrafast dynamics of localized magnetic moments in the unconventional Mott insulator Sr2IrO4. United States: N. p., 2016.
Web. doi:10.1088/0953-8984/28/32/32LT01.
Krupin, O., Dakovski, G. L., Kim, B. J., Kim, J. W., Kim, Jungho, Mishra, S., Chuang, Yi -De, Serrao, C. R., Lee, W. -S., Schlotter, W. F., Minitti, M. P., Zhu, D., Fritz, D., Chollet, M., Ramesh, R., Molodtsov, S. L., & Turner, J. J. Ultrafast dynamics of localized magnetic moments in the unconventional Mott insulator Sr2IrO4. United States. https://doi.org/10.1088/0953-8984/28/32/32LT01
Krupin, O., Dakovski, G. L., Kim, B. J., Kim, J. W., Kim, Jungho, Mishra, S., Chuang, Yi -De, Serrao, C. R., Lee, W. -S., Schlotter, W. F., Minitti, M. P., Zhu, D., Fritz, D., Chollet, M., Ramesh, R., Molodtsov, S. L., and Turner, J. J. Thu .
"Ultrafast dynamics of localized magnetic moments in the unconventional Mott insulator Sr2IrO4". United States. https://doi.org/10.1088/0953-8984/28/32/32LT01. https://www.osti.gov/servlets/purl/1332926.
@article{osti_1332926,
title = {Ultrafast dynamics of localized magnetic moments in the unconventional Mott insulator Sr2IrO4},
author = {Krupin, O. and Dakovski, G. L. and Kim, B. J. and Kim, J. W. and Kim, Jungho and Mishra, S. and Chuang, Yi -De and Serrao, C. R. and Lee, W. -S. and Schlotter, W. F. and Minitti, M. P. and Zhu, D. and Fritz, D. and Chollet, M. and Ramesh, R. and Molodtsov, S. L. and Turner, J. J.},
abstractNote = {We report a time-resolved study of the ultrafast dynamics of the magnetic moments formed by the states in Sr2IrO4 by directly probing the localized iridium 5d magnetic state through resonant x-ray diffraction. Using optical pump-hard x-ray probe measurements, two relaxation time scales were determined: a fast fluence-independent relaxation is found to take place on a time scale of 1.5 ps, followed by a slower relaxation on a time scale of 500 ps-1.5 ns.},
doi = {10.1088/0953-8984/28/32/32LT01},
journal = {Journal of Physics. Condensed Matter},
number = 32,
volume = 28,
place = {United States},
year = {Thu Jun 16 00:00:00 EDT 2016},
month = {Thu Jun 16 00:00:00 EDT 2016}
}
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Works referencing / citing this record:
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