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Article Dans Une Revue RSC Advances Année : 2017

Single crystal growth of Mn 4 Nb 2 O 9 and its structure-magnetic coupling

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A single crystal of Mn 4 Nb 2 O 9 of about 8 mm in diameter and 30 mm in length was successfully grown by a newly designed one-step method based on the optical floating zone technique. Clear Laue spots and sharp XRD Bragg reflections attest the good crystal quality. The antiferromagnetic phase transition at T N ¼ 108.4 K of the Mn 4 Nb 2 O 9 single crystal was observed along the c axis, which contrasts with Co 4 Nb 2 O 9 belonging to the same structural family. Structural changes with a-axis shrinkage and c-axis expansion at T N demonstrate a significant and anisotropic magnetostriction effect.
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hal-01486142 , version 1 (24-08-2020)

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Yiming Cao, Maolin Xiang, Zhenjie Feng, Baojuan Kang, Jincang Zhang, et al.. Single crystal growth of Mn 4 Nb 2 O 9 and its structure-magnetic coupling. RSC Advances, 2017, ⟨10.1039/c6ra26231g⟩. ⟨hal-01486142⟩
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