Investigation of the magnetic properties in double perovskite R2CoMnO6 single crystals (R = rare earth: La to Lu)

M. K. Kim, J. Y. Moon, H. Y. Choi, S. H. Oh, N. Lee, Y. J. Choi

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

We have successfully synthesized the series of the double-perovskite R2CoMnO6 (R = rare earth: La to Lu) single crystals and have investigated their magnetic properties. The ferromagnetic order of Co2+/Mn4+ spins emerges mainly along the c axis. Upon decreasing the size of rare earth ion, the magnetic transition temperature decreases linearly from 204 K for La2CoMnO6 to 48 K for Lu2CoMnO6, along with the enhancement of monoclinic distortion. The temperature and magnetic-field dependences of magnetization reveal the various magnetic characteristics such as the metamagnetic transition in R = Eu, the isotropic nature of rare earth moment in R = Gd, and the reversal of magnetic anisotropy in R = Tb and Dy. Our results offer comprehensive information for understanding the roles of mixed-valent magnetic ions and rare earth magnetic moments on the magnetic properties.

Original languageEnglish
Article number426002
JournalJournal of Physics Condensed Matter
Volume27
Issue number42
DOIs
Publication statusPublished - 2015 Oct 7

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Perovskite
Rare earths
Magnetic properties
rare earth elements
Single crystals
magnetic properties
single crystals
Ions
Magnetic anisotropy
Magnetic moments
Superconducting transition temperature
Magnetization
ions
Temperature distribution
temperature distribution
magnetic moments
transition temperature
Magnetic fields
moments
magnetization

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

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abstract = "We have successfully synthesized the series of the double-perovskite R2CoMnO6 (R = rare earth: La to Lu) single crystals and have investigated their magnetic properties. The ferromagnetic order of Co2+/Mn4+ spins emerges mainly along the c axis. Upon decreasing the size of rare earth ion, the magnetic transition temperature decreases linearly from 204 K for La2CoMnO6 to 48 K for Lu2CoMnO6, along with the enhancement of monoclinic distortion. The temperature and magnetic-field dependences of magnetization reveal the various magnetic characteristics such as the metamagnetic transition in R = Eu, the isotropic nature of rare earth moment in R = Gd, and the reversal of magnetic anisotropy in R = Tb and Dy. Our results offer comprehensive information for understanding the roles of mixed-valent magnetic ions and rare earth magnetic moments on the magnetic properties.",
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Investigation of the magnetic properties in double perovskite R2CoMnO6 single crystals (R = rare earth : La to Lu). / Kim, M. K.; Moon, J. Y.; Choi, H. Y.; Oh, S. H.; Lee, N.; Choi, Y. J.

In: Journal of Physics Condensed Matter, Vol. 27, No. 42, 426002, 07.10.2015.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Investigation of the magnetic properties in double perovskite R2CoMnO6 single crystals (R = rare earth

T2 - La to Lu)

AU - Kim, M. K.

AU - Moon, J. Y.

AU - Choi, H. Y.

AU - Oh, S. H.

AU - Lee, N.

AU - Choi, Y. J.

PY - 2015/10/7

Y1 - 2015/10/7

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AB - We have successfully synthesized the series of the double-perovskite R2CoMnO6 (R = rare earth: La to Lu) single crystals and have investigated their magnetic properties. The ferromagnetic order of Co2+/Mn4+ spins emerges mainly along the c axis. Upon decreasing the size of rare earth ion, the magnetic transition temperature decreases linearly from 204 K for La2CoMnO6 to 48 K for Lu2CoMnO6, along with the enhancement of monoclinic distortion. The temperature and magnetic-field dependences of magnetization reveal the various magnetic characteristics such as the metamagnetic transition in R = Eu, the isotropic nature of rare earth moment in R = Gd, and the reversal of magnetic anisotropy in R = Tb and Dy. Our results offer comprehensive information for understanding the roles of mixed-valent magnetic ions and rare earth magnetic moments on the magnetic properties.

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