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Title: Non-Fermi surface nesting driven commensurate magnetic ordering in Fe-doped S r 2 Ru O 4

Abstract

Sr 2RuO 4, an unconventional superconductor, is known to possess an incommensurate spin-density wave instability driven by Fermi surface nesting. Here we report a static spin-density wave ordering with a commensurate propagation vector q c = (0.250.250) in Fe-doped Sr 2RuO 4, despite the magnetic fluctuations persisting at the incommensurate wave vectors q ic = (0.30.3L) as in the parent compound. The latter feature is corroborated by the first-principles calculations, which show that Fe substitution barely changes the nesting vector of the Fermi surface. Finally, these results suggest that in addition to the known incommensurate magnetic instability, Sr 2RuO 4 is also in proximity to a commensurate magnetic tendency that can be stabilized via Fe doping.

Authors:
; ; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Scientific User Facilities Division; Experimental Program to Stimulate Competitive Research (EPSCoR); Michigan State University
OSTI Identifier:
1351616
Alternate Identifier(s):
OSTI ID: 1343464
Grant/Contract Number:  
AC02-06CH11357; SC0012432
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 95; Journal Issue: 5; 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

Citation Formats

Zhu, M., Shanavas, K. V., Wang, Y., Zou, T., Ortmann, J. E., Tian, W, Garlea, V. O., Podlesnyak, A., Matsuda, M., Keavney, D., Mao, Z. Q., Singh, D. J., and Ke, X.. Non-Fermi surface nesting driven commensurate magnetic ordering in Fe-doped Sr2RuO4. United States: N. p., 2017. Web. doi:10.1103/PhysRevB.95.054413.
Zhu, M., Shanavas, K. V., Wang, Y., Zou, T., Ortmann, J. E., Tian, W, Garlea, V. O., Podlesnyak, A., Matsuda, M., Keavney, D., Mao, Z. Q., Singh, D. J., & Ke, X.. Non-Fermi surface nesting driven commensurate magnetic ordering in Fe-doped Sr2RuO4. United States. doi:10.1103/PhysRevB.95.054413.
Zhu, M., Shanavas, K. V., Wang, Y., Zou, T., Ortmann, J. E., Tian, W, Garlea, V. O., Podlesnyak, A., Matsuda, M., Keavney, D., Mao, Z. Q., Singh, D. J., and Ke, X.. Fri . "Non-Fermi surface nesting driven commensurate magnetic ordering in Fe-doped Sr2RuO4". United States. doi:10.1103/PhysRevB.95.054413. https://www.osti.gov/servlets/purl/1351616.
@article{osti_1351616,
title = {Non-Fermi surface nesting driven commensurate magnetic ordering in Fe-doped Sr2RuO4},
author = {Zhu, M. and Shanavas, K. V. and Wang, Y. and Zou, T. and Ortmann, J. E. and Tian, W and Garlea, V. O. and Podlesnyak, A. and Matsuda, M. and Keavney, D. and Mao, Z. Q. and Singh, D. J. and Ke, X.},
abstractNote = {Sr2RuO4, an unconventional superconductor, is known to possess an incommensurate spin-density wave instability driven by Fermi surface nesting. Here we report a static spin-density wave ordering with a commensurate propagation vector qc = (0.250.250) in Fe-doped Sr2RuO4, despite the magnetic fluctuations persisting at the incommensurate wave vectors qic = (0.30.3L) as in the parent compound. The latter feature is corroborated by the first-principles calculations, which show that Fe substitution barely changes the nesting vector of the Fermi surface. Finally, these results suggest that in addition to the known incommensurate magnetic instability, Sr2RuO4 is also in proximity to a commensurate magnetic tendency that can be stabilized via Fe doping.},
doi = {10.1103/PhysRevB.95.054413},
journal = {Physical Review B},
number = 5,
volume = 95,
place = {United States},
year = {Fri Feb 10 00:00:00 EST 2017},
month = {Fri Feb 10 00:00:00 EST 2017}
}

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Works referenced in this record:

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