Magnetization dynamics and frustration in the multiferroic double perovskite Lu2MnCoO6
Abstract
Here, we investigate the magnetic ordering and the magnetization dynamics (from kHz to THz time scales) of the double perovskite Lu2MnCoO6 using elastic neutron diffraction, muon spin relaxation, and micro-Hall magnetization measurements. This compound is known to be a type II multiferroic with the interesting feature that a ferromagneticlike magnetization hysteresis loop couples to an equally hysteretic electric polarization in the bulk of the material despite a zero-field magnetic ordering of the type ↑↑↓↓ along Co-Mn spin chains. Here we explore the unusual dynamics of this compound and find extremely strong fluctuations, consistent with the axial next-nearest-neighbor Ising (ANNNI) model for frustrated spin chains. We identify three temperature scales in Lu2MnCoO6 corresponding to the onset of highly fluctuating long-range order below TN = 50±3 K identified from neutron scattering, the onset of magnetic and electric hysteresis, with change in kHz magnetic and electric dynamics below a 30 K temperature scale, and partial freezing of ~MHz spin fluctuations in the muon spin relaxation data below 12 ± 3 K. Our results provide a framework for understanding the multiferroic behavior of this compound and its hysteresis and dynamics.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Ames Lab. and Iowa State Univ., Ames, IA (United States)
- Univ. of Birmingham, Edgbaston (United Kingdom)
- Goethe Univ., Frankfurt (Germany)
- Durham Univ., Durham (United Kingdom)
- Oxford Univ., Oxford (United Kingdom)
- Univ. de Santiago de Compostela, Santiago de Compostela (Spain)
- Dpt. Quimica Fundamental U. Coruna (Spain); ETH Zurich, Zurich (Switzerland)
- Publication Date:
- Research Org.:
- Ames Lab., Ames, IA (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Ames Lab. and Iowa State Univ., Ames, IA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); State of Florida (United States); Ministry of Economy and Competitiveness (MINECO) (Spain); European Union (EU)
- Contributing Org.:
- Univ. of Birmingham, Edgbaston (United Kingdom); Goethe Univ., Frankfurt (Germany); Durham Univ. (United Kingdom); Oxford Univ. (United Kingdom); Univ. of Santiago de Compostela (Spain); Univ. of Coruna (Spain)
- OSTI Identifier:
- 1259552
- Alternate Identifier(s):
- OSTI ID: 1250192; OSTI ID: 1325626
- Report Number(s):
- IS-J-9015; LA-UR-14-28762
Journal ID: ISSN 2469-9950; PRBMDO
- Grant/Contract Number:
- DMR-1157490; AC02-07CH11358; MAT2010-21342-C02
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 93; Journal Issue: 13; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; High Magnetic Field Science
Citation Formats
Zapf, Vivien S., Ueland, B. G., Laver, Mark, Lonsky, Martin, Pohlit, Merlin, Muller, Jens, Lancaster, Tom, Moller, Johannes S., Blundell, Stephen J., Singleton, John, Mira, Jorge, Yanez-Vilar, Susana, and Senaris-Rodriguez, Maria Antonia. Magnetization dynamics and frustration in the multiferroic double perovskite Lu2MnCoO6. United States: N. p., 2016.
Web. doi:10.1103/PhysRevB.93.134431.
Zapf, Vivien S., Ueland, B. G., Laver, Mark, Lonsky, Martin, Pohlit, Merlin, Muller, Jens, Lancaster, Tom, Moller, Johannes S., Blundell, Stephen J., Singleton, John, Mira, Jorge, Yanez-Vilar, Susana, & Senaris-Rodriguez, Maria Antonia. Magnetization dynamics and frustration in the multiferroic double perovskite Lu2MnCoO6. United States. https://doi.org/10.1103/PhysRevB.93.134431
Zapf, Vivien S., Ueland, B. G., Laver, Mark, Lonsky, Martin, Pohlit, Merlin, Muller, Jens, Lancaster, Tom, Moller, Johannes S., Blundell, Stephen J., Singleton, John, Mira, Jorge, Yanez-Vilar, Susana, and Senaris-Rodriguez, Maria Antonia. Fri .
"Magnetization dynamics and frustration in the multiferroic double perovskite Lu2MnCoO6". United States. https://doi.org/10.1103/PhysRevB.93.134431. https://www.osti.gov/servlets/purl/1259552.
@article{osti_1259552,
title = {Magnetization dynamics and frustration in the multiferroic double perovskite Lu2MnCoO6},
author = {Zapf, Vivien S. and Ueland, B. G. and Laver, Mark and Lonsky, Martin and Pohlit, Merlin and Muller, Jens and Lancaster, Tom and Moller, Johannes S. and Blundell, Stephen J. and Singleton, John and Mira, Jorge and Yanez-Vilar, Susana and Senaris-Rodriguez, Maria Antonia},
abstractNote = {Here, we investigate the magnetic ordering and the magnetization dynamics (from kHz to THz time scales) of the double perovskite Lu2MnCoO6 using elastic neutron diffraction, muon spin relaxation, and micro-Hall magnetization measurements. This compound is known to be a type II multiferroic with the interesting feature that a ferromagneticlike magnetization hysteresis loop couples to an equally hysteretic electric polarization in the bulk of the material despite a zero-field magnetic ordering of the type ↑↑↓↓ along Co-Mn spin chains. Here we explore the unusual dynamics of this compound and find extremely strong fluctuations, consistent with the axial next-nearest-neighbor Ising (ANNNI) model for frustrated spin chains. We identify three temperature scales in Lu2MnCoO6 corresponding to the onset of highly fluctuating long-range order below TN = 50±3 K identified from neutron scattering, the onset of magnetic and electric hysteresis, with change in kHz magnetic and electric dynamics below a 30 K temperature scale, and partial freezing of ~MHz spin fluctuations in the muon spin relaxation data below 12 ± 3 K. Our results provide a framework for understanding the multiferroic behavior of this compound and its hysteresis and dynamics.},
doi = {10.1103/PhysRevB.93.134431},
journal = {Physical Review B},
number = 13,
volume = 93,
place = {United States},
year = {Fri Apr 29 00:00:00 EDT 2016},
month = {Fri Apr 29 00:00:00 EDT 2016}
}
Web of Science
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Works referencing / citing this record:
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