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  Spin-reorientation and weak ferromagnetism in antiferromagnetic TbMn0.5Fe0.5O3

Nhalil, H., Nair, H. S., Sanathkumar, R., Strydom, A. M., & Elizabeth, S. (2015). Spin-reorientation and weak ferromagnetism in antiferromagnetic TbMn0.5Fe0.5O3. Journal of Applied Physics, 117(17): 173904, pp. 1-5. doi:10.1063/1.4919660.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-A4AA-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-0001-D
Genre: Journal Article

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 Creators:
Nhalil, Hariharan1, Author
Nair, Harikrishnan S.1, Author
Sanathkumar, R.1, Author
Strydom, André M.2, Author              
Elizabeth, Suja1, 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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 Abstract: Orthorhombic single crystals of TbMn0.5Fe0.5O3 are found to exhibit spin-reorientation, magnetization reversal, and weak ferromagnetism. Strong anisotropy effects are evident in the temperature dependent magnetization measurements along the three crystallographic axes a, b, and c. A broad magnetic transition is visible at T-N(Fe/Mn) = 286K due to paramagnetic to A(x)G(y)C(z) ordering. A sharp transition is observed at T-SR(Fe/Mn) = 28 K, which is pronounced along c axis in the form of a sharp jump in magnetization where the spins reorient to G(x)A(y)F(z) configuration. The negative magnetization observed below T-SR(Fe/Mn) along c axis is explained in terms of domain wall pinning. A component of weak ferromagnetism is observed in field-scans along c-axis but below 28 K. Field-induced steps-like transitions are observed in hysteresis measurement along b axis below 28 K. It is noted that no sign of Tb-order is discernible down to 2K. TbMn0.5Fe0.5O3 could be highlighted as a potential candidate to evaluate its magneto-dielectric effects across the magnetic transitions. (C) 2015 AIP Publishing LLC.

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Language(s): eng - English
 Dates: 2015-05-072015-05-07
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000354984100567
DOI: 10.1063/1.4919660
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Title: Journal of Applied Physics
  Abbreviation : J. Appl. Phys.
Source Genre: Journal
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Publ. Info: New York, NY : AIP Publishing
Pages: - Volume / Issue: 117 (17) Sequence Number: 173904 Start / End Page: 1 - 5 Identifier: ISSN: 0021-8979
CoNE: /journals/resource/991042723401880