Antisite disorder-driven large electric polarization in multiferroic Nd2CoMnO6

A. Rathi; Hitesh Borkar; P. K. Rout; Anurag Gupta; H. K. Singh; Ashok Kumar; B. Gahtori; R. P. Pant; G. A. Basheed

doi:10.1088/1361-6463/aa8b57

Antisite disorder-driven large electric polarization in multiferroic Nd₂CoMnO₆

A. Rathi, Hitesh Borkar, P. K. Rout, Anurag Gupta, H. K. Singh, Ashok Kumar, B. Gahtori, R. P. Pant, G. A. Basheed

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The discovery of magnetism-driven ferroelectricity has recently given new hope for multiferroic devices, but very low magnetic ordering temperature as well as negligibly small electric polarization in these systems are still a challenge. Here, we report a new collinear magnetic multiferroic, Nd₂CoMnO₆ (T_C ∼ 150 K) with a spontaneous electric polarization, P_S≃ 1.3 ΜC cm^-2, much higher than the other known magnetic multiferroics. The high polarization value has been associated to the intrinsic ↑↑↓↓ spin ordering-driven broken symmetry and the high degree of antisite disorder present in the system, which are confirmed through dc magnetization measurements.

Original language	English
Article number	465001
Journal	Journal Physics D: Applied Physics
Volume	50
Issue number	46
DOIs	https://doi.org/10.1088/1361-6463/aa8b57
Publication status	Published - 24 Oct 2017
Externally published	Yes

Keywords

antisite disorder
double-perovskites
magnetic (type-II) multiferroics

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Acoustics and Ultrasonics
Surfaces, Coatings and Films

Access to Document

10.1088/1361-6463/aa8b57

Cite this

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title = "Antisite disorder-driven large electric polarization in multiferroic Nd2CoMnO6",

abstract = "The discovery of magnetism-driven ferroelectricity has recently given new hope for multiferroic devices, but very low magnetic ordering temperature as well as negligibly small electric polarization in these systems are still a challenge. Here, we report a new collinear magnetic multiferroic, Nd2CoMnO6 (TC ∼ 150 K) with a spontaneous electric polarization, PS≃ 1.3 ΜC cm-2, much higher than the other known magnetic multiferroics. The high polarization value has been associated to the intrinsic ↑↑↓↓ spin ordering-driven broken symmetry and the high degree of antisite disorder present in the system, which are confirmed through dc magnetization measurements.",

keywords = "antisite disorder, double-perovskites, magnetic (type-II) multiferroics",

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AU - Rathi, A.

AU - Borkar, Hitesh

AU - Rout, P. K.

AU - Gupta, Anurag

AU - Singh, H. K.

AU - Kumar, Ashok

AU - Gahtori, B.

AU - Pant, R. P.

AU - Basheed, G. A.

PY - 2017/10/24

Y1 - 2017/10/24

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AB - The discovery of magnetism-driven ferroelectricity has recently given new hope for multiferroic devices, but very low magnetic ordering temperature as well as negligibly small electric polarization in these systems are still a challenge. Here, we report a new collinear magnetic multiferroic, Nd2CoMnO6 (TC ∼ 150 K) with a spontaneous electric polarization, PS≃ 1.3 ΜC cm-2, much higher than the other known magnetic multiferroics. The high polarization value has been associated to the intrinsic ↑↑↓↓ spin ordering-driven broken symmetry and the high degree of antisite disorder present in the system, which are confirmed through dc magnetization measurements.

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KW - double-perovskites

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