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Title: Temperature- and field-driven spin reorientations in triple-layer ruthenate Sr 4Ru 3O 10

Abstract

Sr 4Ru 3O 10, the n = 3 member of the Ruddlesden-Popper type ruthenate Sr n+1Ru n O 3n+1, is known to exhibit a peculiar metamagnetic transition in an in-plane magnetic field. However, the nature of both the temperature- and field-dependent phase transitions remains as a topic of debate. Here, we have investigated the magnetic transitions of Sr 4Ru 3O 10 via single-crystal neutron diffraction measurements. At zero field, we find that the system undergoes a ferromagnetic transition with both in-plane and out-of-plane magnetic components at T c ≈ 100 K. Below T * = 50 K, the magnetic moments incline continuously toward the out-of-plane direction. At T = 1.5 K, where the spins are nearly aligned along the c axis, a spin reorientation occurs above a critical field Bc, giving rise to a spin component perpendicular to the plane defined by the field direction and the c axis. We suggest that both the temperature- and field-driven spin reorientations are associated with a change in the magnetocrystalline anisotropy, which is strongly coupled to the lattice degrees of freedom. This study elucidates the long-standing puzzles on the zero-field magnetic orders of Sr 4Ru 3O 10 and provides new insights into themore » nature of the field-induced metamagnetic transition.« less

Authors:
ORCiD logo [1];  [2];  [2];  [3]; ORCiD logo [3];  [1];  [1];  [2];  [1]
  1. Michigan State Univ., East Lansing, MI (United States). Department of Physics and Astronomy
  2. Tulane Univ., New Orleans, LA (United States). Department of Physics and Engineering Physics
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Neutron Scattering Division
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1468096
Grant/Contract Number:  
AC05-00OR22725; SC0012432
Resource Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 8; Journal Issue: 1; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Zhu, Mengze, Li, P. G., Wang, Y., Cao, Huibo B., Tian, Wei, Zhang, H. D., Phelan, B. D., Mao, Z. Q., and Ke, Xianglin. Temperature- and field-driven spin reorientations in triple-layer ruthenate Sr4Ru3O10. United States: N. p., 2018. Web. doi:10.1038/s41598-018-22247-3.
Zhu, Mengze, Li, P. G., Wang, Y., Cao, Huibo B., Tian, Wei, Zhang, H. D., Phelan, B. D., Mao, Z. Q., & Ke, Xianglin. Temperature- and field-driven spin reorientations in triple-layer ruthenate Sr4Ru3O10. United States. doi:10.1038/s41598-018-22247-3.
Zhu, Mengze, Li, P. G., Wang, Y., Cao, Huibo B., Tian, Wei, Zhang, H. D., Phelan, B. D., Mao, Z. Q., and Ke, Xianglin. Fri . "Temperature- and field-driven spin reorientations in triple-layer ruthenate Sr4Ru3O10". United States. doi:10.1038/s41598-018-22247-3. https://www.osti.gov/servlets/purl/1468096.
@article{osti_1468096,
title = {Temperature- and field-driven spin reorientations in triple-layer ruthenate Sr4Ru3O10},
author = {Zhu, Mengze and Li, P. G. and Wang, Y. and Cao, Huibo B. and Tian, Wei and Zhang, H. D. and Phelan, B. D. and Mao, Z. Q. and Ke, Xianglin},
abstractNote = {Sr4Ru3O10, the n = 3 member of the Ruddlesden-Popper type ruthenate Srn+1Ru n O3n+1, is known to exhibit a peculiar metamagnetic transition in an in-plane magnetic field. However, the nature of both the temperature- and field-dependent phase transitions remains as a topic of debate. Here, we have investigated the magnetic transitions of Sr4Ru3O10 via single-crystal neutron diffraction measurements. At zero field, we find that the system undergoes a ferromagnetic transition with both in-plane and out-of-plane magnetic components at Tc ≈ 100 K. Below T * = 50 K, the magnetic moments incline continuously toward the out-of-plane direction. At T = 1.5 K, where the spins are nearly aligned along the c axis, a spin reorientation occurs above a critical field Bc, giving rise to a spin component perpendicular to the plane defined by the field direction and the c axis. We suggest that both the temperature- and field-driven spin reorientations are associated with a change in the magnetocrystalline anisotropy, which is strongly coupled to the lattice degrees of freedom. This study elucidates the long-standing puzzles on the zero-field magnetic orders of Sr4Ru3O10 and provides new insights into the nature of the field-induced metamagnetic transition.},
doi = {10.1038/s41598-018-22247-3},
journal = {Scientific Reports},
number = 1,
volume = 8,
place = {United States},
year = {2018},
month = {3}
}

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