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

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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Matière Condensée [cond-mat] Science des matériaux [cond-mat.mtrl-sci] Autre [cond-mat.other]

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https://hal.science/hal-01486142

Soumis le : lundi 24 août 2020-16:06:02

Dernière modification le : jeudi 11 avril 2024-13:08:12

Archivage à long terme le : mardi 1 décembre 2020-17:53:52

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hal-01486142 , version 1 (24-08-2020)

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HAL Id : hal-01486142 , version 1
DOI : 10.1039/c6ra26231g

Citer

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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