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  Antisite disorder-induced exchange bias effect in multiferroic Y2CoMnO6

Nair, H. S., Chatterji, T., & Strydom, A. M. (2015). Antisite disorder-induced exchange bias effect in multiferroic Y2CoMnO6. Applied Physics Letters, 106(2): 022407, pp. 1-4. doi:10.1063/1.4906204.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-9EE7-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-C4DC-1
Genre: Journal Article

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 Creators:
Nair, Harikrishnan S.1, Author
Chatterji, Tapan1, Author
Strydom, André M.2, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              

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Free keywords: yttrium compounds antiferromagnetic materials exchange interactions (electron) magnetic domains interface magnetism ferromagnetic materials metamagnetism magnetic hysteresis multiferroics cobalt compounds coercive force antisite defects
 Abstract: Exchange bias effect in the ferromagnetic double perovskite compound Y2CoMnO6, which is also a multiferroic, is reported. The exchange bias, observed below 8 K, is explained as arising due to the interface effect between the ferromagnetic and antiferromagnetic clusters created by antisite disorder in this material. Below 8 K, prominent ferromagnetic hysteresis with metamagnetic “steps” and significant coercive field, Hc ≈ 10 kOe are observed in this compound which has a Tc ≈ 75 K. A model based on growth of ferromagnetic domains overcoming the elastic energy of structurally pinned magnetic interfaces, which closely resembles martensitic-like transitions, is adapted to explain the observed effects. The role of antisite disorder in creating the domain structure leading to exchange bias effect is highlighted in the present work

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Language(s): eng - English
 Dates: 2015-01-152015-01-22
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1063/1.4906204
 Degree: -

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Title: Applied Physics Letters
  Abbreviation : Appl. Phys. Lett.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Melville, NY : American Institute of Physics
Pages: - Volume / Issue: 106 (2) Sequence Number: 022407 Start / End Page: 1 - 4 Identifier: Other: 0003-6951
CoNE: /journals/resource/954922836223