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New insights into t...
New insights into the multiferroic properties of Mn3TeO6
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- Ivanov, Sergey A. (författare)
- Uppsala universitet,Fasta tillståndets fysik,Karpov Inst Phys Chem, Ctr Mat Sci, Moscow 105064, Russia.
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- Ritter, C. (författare)
- Inst Laue Langevin, BP 156, F-38042 Grenoble, France.
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- Nordblad, Per (författare)
- Uppsala universitet,Fasta tillståndets fysik
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- Tellgren, Roland (författare)
- Uppsala universitet,Strukturkemi
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- Weil, M. (författare)
- Vienna Univ Technol, Inst Chem Technol & Analyt, A-1060 Vienna, Austria.
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- Carolus, V. (författare)
- Univ Bonn, HISKP, Nussallee 14-16, D-53115 Bonn, Germany.
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- Lottermoser, Th (författare)
- ETH, Dept Mat, Vladimir Prelog Weg 4, CH-8093 Zurich, Switzerland.
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- Fiebig, M. (författare)
- ETH, Dept Mat, Vladimir Prelog Weg 4, CH-8093 Zurich, Switzerland.
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- Mathieu, Roland (författare)
- Uppsala universitet,Fasta tillståndets fysik
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(creator_code:org_t)
- 2017-01-25
- 2017
- Engelska.
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Ingår i: Journal of Physics D. - : IOP PUBLISHING LTD. - 0022-3727 .- 1361-6463. ; 50:8
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Mn3TeO6 has a trigonal corundum related structure (space group R (3) over bar), and orders in an incommensurate antiferromagnetic (AFM) structure at T-N approximate to 24 K. A weak ferroelectric order below T* similar to 21 K has recently been reported. In order to investigate possible structural changes below T-N leading to the observed dipole order, we have performed a detailed study of the crystal and magnetic structures of Mn3TeO6 using neutron powder diffraction (NPD) in the temperature range of 5-40 K. Complementary low-temperature second harmonic generation (SHG) measurements were performed in order to confirm the reported dipole order at T*. No change in the rhombohedral symmetry associated with a possible displacive phase transition at T* was observed in the long-range structural correlations, and it appears that Mn3TeO6 keeps the same incommensurately modulated magnetic spin structure with the propagation vector k = (0; 0; 0.43) in the whole temperature range from 5 to 24 K.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- electronic materials
- neutron scattering
- x-ray diffraction
- crystal structure
- magnetic properties
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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