Electric polarization observed in single crystals of multiferroic Lu2MnCoO6

S. Chikara, J. Singleton, J. Bowlan, D. A. Yarotski, N. Lee, H. Y. Choi, Young Jai Choi, V. S. Zapf

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We report electric polarization and magnetization measurements in single crystals of double perovskite Lu2MnCoO6 using pulsed magnetic fields and optical second harmonic generation in dc magnetic fields. We observe well-resolved magnetic field-induced changes in the electric polarization in single crystals and thereby resolve the question about whether multiferroic behavior is intrinsic to these materials or is an extrinsic feature of polycrystals. We find electric polarization along the crystalline b axis, that is suppressed by applying a magnetic fields along the c axis, and advance a model for the origin of magnetoelectric coupling. We furthermore map the phase diagram using both capacitance and electric polarization to identify regions of ordering and regions of magnetoelectric hysteresis. This compound is a rare example of coupled hysteretic behavior in the magnetic and electric properties. The ferromagneticlike magnetic hysteresis loop that couples to hysteretic electric polarization can be attributed not to ordinary ferromagnetic domains, but to the rich physics of magnetic frustration of Ising-like spins in the axial next-nearest-neighbor interaction model.

Original languageEnglish
Article number180405
JournalPhysical Review B
Volume93
Issue number18
DOIs
Publication statusPublished - 2016 May 17

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Single crystals
Polarization
single crystals
Magnetic fields
polarization
magnetic fields
hysteresis
Magnetic hysteresis
Polycrystals
polycrystals
frustration
Harmonic generation
Hysteresis loops
Perovskite
Phase diagrams
Hysteresis
Magnetization
Magnetic properties
harmonic generations
Electric properties

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Chikara, S., Singleton, J., Bowlan, J., Yarotski, D. A., Lee, N., Choi, H. Y., ... Zapf, V. S. (2016). Electric polarization observed in single crystals of multiferroic Lu2MnCoO6. Physical Review B, 93(18), [180405]. https://doi.org/10.1103/PhysRevB.93.180405
Chikara, S. ; Singleton, J. ; Bowlan, J. ; Yarotski, D. A. ; Lee, N. ; Choi, H. Y. ; Choi, Young Jai ; Zapf, V. S. / Electric polarization observed in single crystals of multiferroic Lu2MnCoO6. In: Physical Review B. 2016 ; Vol. 93, No. 18.
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Chikara, S, Singleton, J, Bowlan, J, Yarotski, DA, Lee, N, Choi, HY, Choi, YJ & Zapf, VS 2016, 'Electric polarization observed in single crystals of multiferroic Lu2MnCoO6', Physical Review B, vol. 93, no. 18, 180405. https://doi.org/10.1103/PhysRevB.93.180405

Electric polarization observed in single crystals of multiferroic Lu2MnCoO6. / Chikara, S.; Singleton, J.; Bowlan, J.; Yarotski, D. A.; Lee, N.; Choi, H. Y.; Choi, Young Jai; Zapf, V. S.

In: Physical Review B, Vol. 93, No. 18, 180405, 17.05.2016.

Research output: Contribution to journalArticle

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Chikara S, Singleton J, Bowlan J, Yarotski DA, Lee N, Choi HY et al. Electric polarization observed in single crystals of multiferroic Lu2MnCoO6. Physical Review B. 2016 May 17;93(18). 180405. https://doi.org/10.1103/PhysRevB.93.180405