journal article·2018-10-23Open access

Dynamic Ferrimagnetic Order in a Highly Distorted Double Perovskite Y2CoRuO6

Zheng Deng, Maria Retuerto, Sizhan Liu, Mark Croft, Peter W. Stephens, Stuart Calder, Wenmin Li, Bijuan Chen, Changqing Jin, Zhiwei Hu, Man-Rong Li, Hong-Ji Lin, Ting-Shan Chan, Chien-Te Chen, Sun Woo Kim, Martha Greenblatt

Chemistry of Materials· Volume 30· Issue 20

Abstract

Y2CoRuO6 was synthesized as a B-site ordered double perovskite with distorted monoclinic P21/n symmetry and an average tilting of the CoO6 and RuO6 octahedra of ψ̅ = 19.7°. DC magnetization measurements show a ferrimagnetic transition at around 82 K. Although long-range ferrimagntic order is supported by neutron diffraction studies, aging phenomena in time-dependent isothermal magnetization, frequency dependence of AC susceptibility, and a smeared peak in the specific heat together reveal spin glass-like dynamics. The magnetic subtleties resemble chaotic behavior as previously observed in some ferro- or ferrimagnetic materials that exhibit spin glass-like dynamics. It is argued that the magnetic dynamics in Y2CoRuO6 mainly stem from competition between antiferromagnetic Co↑-O-(Ru)-O-Co↓/Ru↑-O-(Co)-O-Ru↓ and antiferromagnetic Co↑-O-Ru↓ interactions, besides a degree of Co:Ru antisite disorder. Herein, the B-site ordered Y2CoRuO6 offers a model to explore the intriguing dynamics in correlated 3d–4d transition metal double perovskites.
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Research context

OpenAlex topics: Advanced Condensed Matter Physics · Magnetic and transport properties of perovskites and related materials · Multiferroics and related materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, United States

Institute of Physics, School of Physics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, P.O. Box 603, Beijing 100190, China

Grupo de Energía y Química Sostenibles, Instituto de Catálisis y Petroleoquímica, CSIC, C/Marie Curie 2, L10, 28049, Madrid, Spain

Department of Physics, New Jersey Institute of Technology, Newark, New Jersey 07102, United States

Department of Physics and Astronomy, Rutgers, The State University of New Jersey, 136 Frelinghuysen Road, Piscataway, New Jersey 08854, United States

Department of Physics & Astronomy, State University of New York, Stony Brook, New York 11794, United States

Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States

Max-Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany

Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China

National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan, R.O.C.

Department of Chemistry Education, Chosun University, Gwangju 61452, South Korea

Funding

Ministry of Science and Technology of the People's Republic of China · Division of Materials Research

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