Orientation and alignment control of LDH-containing composite membranes using magnetic processes and their anion conductivity

Orientation control of layered double hydroxide (LDH) was attempted using magnetic crystalline anisotropy, and alignment control was explored through magnetic dipole interactions. Under an external magnetic field, Mg–Al LDH and Ni–Al LDH oriented, and the LDH composite membrane prepared in the magne...

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Bibliographic Details
Published in:Chemistry letters 2025-01, Vol.54 (1)
Main Authors: Yamato, Masafumi, Shinada, Yuki, Ushijima, Eizo, Takahashi, Kohki
Format: Article
Language:English
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Summary:Orientation control of layered double hydroxide (LDH) was attempted using magnetic crystalline anisotropy, and alignment control was explored through magnetic dipole interactions. Under an external magnetic field, Mg–Al LDH and Ni–Al LDH oriented, and the LDH composite membrane prepared in the magnetic field showed enhanced anion conductivity in the direction parallel to the LDH layer plane. In Ni–Al LDH, a connected structure was observed due to magnetic dipole interactions; however, improved anion conductivity was not observed, likely due to improper orientation.
ISSN:0366-7022
1348-0715
DOI:10.1093/chemle/upae250