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Title: Missing magnetism in Sr4Ru3O10: Indication for Antisymmetric Exchange Interaction

Abstract

Metamagnetism occuring inside a ferromagnetic phase is peculiar. Therefore, Sr4Ru3O10, a T C = 105 K ferromagnet, has attracted much attention in recent years, because it develops a pronounced metamagnetic anomaly below T C for magnetic fields applied in the crystallographic ab-plane. The metamagnetic transition moves to higher fields for lower temperatures and splits into a double anomaly at critical fields Hc1 = 2.3 T and Hc2 = 2.8 T, respectively. Here, we report a detailed study of the different components of the magnetization vector as a function of temperature, applied magnetic field, and varying angle in Sr4Ru3O10. We discover for the first time a reduction of the magnetic moment in the plane of rotation at the metamagnetic transition. The anomaly shifts to higher fields by rotating the field from H ⊥ c to H || c. We compare our experimental findings with numerical simulations based on spin reorientation models taking into account magnetocrystalline anisotropy, Zeeman effect and antisymmetric exchange interactions. While Magnetocrystalline anisotropy combined with a Zeeman term are sufficient to explain a metamagnetic transition in Sr4Ru3O10, a Dzyaloshinskii-Moriya term is crucial to account for the reduction of the magnetic moment as observed in the experiments.

Authors:
ORCiD logo [1];  [2];  [2];  [2];  [3];  [4];  [4];  [5];  [5];  [5]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab. (MagLab)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Univ. of Texas, Dallas, TX (United States). Dept. of Physics
  4. Univ. of Johannesburg (South Africa). Dept. of Physics
  5. Univ. of Salerno, Fisciano (Italy). CNR-SPIN Inst. Sede Secondaria di Salerno
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); National Research Foundation (NRF) (South Africa)
Contributing Org.:
Florida State Univ., Tallahassee, FL (United States); Univ. of Texas, Dallas, TX (United States); Univ. of Salerno, Fisciano (Italy)
OSTI Identifier:
1369197
Report Number(s):
LA-UR-17-20729
Journal ID: ISSN 2045-2322
Grant/Contract Number:  
AC52-06NA25396; DMR-1157490; 93549
Resource Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 7; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; magnetism, metamagnetis, strontium ruthenate

Citation Formats

Weickert, Franziska, Civale, Leonardo, Maiorov, Boris, Jaime, Marcelo, Salamon, Myron B., Carleschi, Emanuela, Strydom, André M., Fittipaldi, Rosalba, Granata, Veronica, and Vecchione, Antonio. Missing magnetism in Sr4Ru3O10: Indication for Antisymmetric Exchange Interaction. United States: N. p., 2017. Web. doi:10.1038/s41598-017-03648-2.
Weickert, Franziska, Civale, Leonardo, Maiorov, Boris, Jaime, Marcelo, Salamon, Myron B., Carleschi, Emanuela, Strydom, André M., Fittipaldi, Rosalba, Granata, Veronica, & Vecchione, Antonio. Missing magnetism in Sr4Ru3O10: Indication for Antisymmetric Exchange Interaction. United States. https://doi.org/10.1038/s41598-017-03648-2
Weickert, Franziska, Civale, Leonardo, Maiorov, Boris, Jaime, Marcelo, Salamon, Myron B., Carleschi, Emanuela, Strydom, André M., Fittipaldi, Rosalba, Granata, Veronica, and Vecchione, Antonio. Tue . "Missing magnetism in Sr4Ru3O10: Indication for Antisymmetric Exchange Interaction". United States. https://doi.org/10.1038/s41598-017-03648-2. https://www.osti.gov/servlets/purl/1369197.
@article{osti_1369197,
title = {Missing magnetism in Sr4Ru3O10: Indication for Antisymmetric Exchange Interaction},
author = {Weickert, Franziska and Civale, Leonardo and Maiorov, Boris and Jaime, Marcelo and Salamon, Myron B. and Carleschi, Emanuela and Strydom, André M. and Fittipaldi, Rosalba and Granata, Veronica and Vecchione, Antonio},
abstractNote = {Metamagnetism occuring inside a ferromagnetic phase is peculiar. Therefore, Sr4Ru3O10, a T C = 105 K ferromagnet, has attracted much attention in recent years, because it develops a pronounced metamagnetic anomaly below T C for magnetic fields applied in the crystallographic ab-plane. The metamagnetic transition moves to higher fields for lower temperatures and splits into a double anomaly at critical fields Hc1 = 2.3 T and Hc2 = 2.8 T, respectively. Here, we report a detailed study of the different components of the magnetization vector as a function of temperature, applied magnetic field, and varying angle in Sr4Ru3O10. We discover for the first time a reduction of the magnetic moment in the plane of rotation at the metamagnetic transition. The anomaly shifts to higher fields by rotating the field from H ⊥ c to H || c. We compare our experimental findings with numerical simulations based on spin reorientation models taking into account magnetocrystalline anisotropy, Zeeman effect and antisymmetric exchange interactions. While Magnetocrystalline anisotropy combined with a Zeeman term are sufficient to explain a metamagnetic transition in Sr4Ru3O10, a Dzyaloshinskii-Moriya term is crucial to account for the reduction of the magnetic moment as observed in the experiments.},
doi = {10.1038/s41598-017-03648-2},
journal = {Scientific Reports},
number = ,
volume = 7,
place = {United States},
year = {Tue Jun 20 00:00:00 EDT 2017},
month = {Tue Jun 20 00:00:00 EDT 2017}
}

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Works referencing / citing this record:

Temperature- and field-driven spin reorientations in triple-layer ruthenate Sr4Ru3O10
journal, March 2018


Suppression of the orbital magnetic moment driven by electronic correlations in Sr 4 Ru 3 O 10
journal, September 2019