Article First Encapsulation of Organometallic Single‐Molecule Magnet into Single‐Walled Carbon Nanotubes

Haitao Zhang ; Ryo Nakanishi ; Takefumi Yoshida ; Masahiko Nishijima ; Koji Harano SAMURAI ORCID ; Yoji Horii ; Masahiro Yamashita

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Haitao Zhang, Ryo Nakanishi, Takefumi Yoshida, Masahiko Nishijima, Koji Harano, Yoji Horii, Masahiro Yamashita. First Encapsulation of Organometallic Single‐Molecule Magnet into Single‐Walled Carbon Nanotubes. Angewandte Chemie International Edition. 2025, 64 (22), . https://doi.org/10.48505/nims.5507

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(abstract)

An air-sensitive DyCp3 (Cp−= cyclopentadienyl) single-molecule magnet (SMM) complex was encapsulated into single-walled carbon nanotubes (SWCNTs) to construct hybrid materials that are resistant to moisture and oxygen. The hybrid materials with independent slow-magnetic-relaxing centers are expected to become a key component of the next generation of information process devices based on spintronics. The resilience to moisture and oxygen further broadens its manufacturing methods and application scenarios. Furthermore, upon encapsulation into SWCNTs, DyCp3 exhibited clear ac frequency dependence in the ac magnetic susceptibility at a zero-dc field. This indicates that the guest molecule's slow magnetic relaxation properties are preserved, which is crucial and necessary to realize SMMs-based quantum information processing, by allowing a sufficient time window for quantum gate operations. Our result exemplifies that encapsulation of air-sensitive organometallic SMMs into SWCNTs enhances their chemical stability and their magnetic relaxation time at a zero-dc magnetic field, which provides a novel method for their further applications.

Rights:

  • In Copyright
    This is the pre-peer reviewed version of the following article: H. Zhang, R. Nakanishi, T. Yoshida, M. Nishijima, K. Harano, Y. Horii, M. Yamashita, Angew. Chem. Int. Ed. 2025, 64, e202503979, which has been published in final form at https://doi.org/10.1002/anie.202503979. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.

Keyword: electron microscopy, single-molecule magnet, carbon nanotube

Date published: 2025-03-23

Publisher: Wiley

Journal:

  • Angewandte Chemie International Edition (ISSN: 14337851) vol. 64 issue. 22

Funding:

  • National Natural Science Foundation of China 22150710513
  • Deutsche Forschungsgemeinschaft HE‐5675/6‐1
  • Deutsche Forschungsgemeinschaft GRK 2536
  • JSPS JP23H04874

Manuscript type: Author's original (Submitted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5507

First published URL: https://doi.org/10.1002/anie.202503979

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Updated at: 2025-05-27 10:32:12 +0900

Published on MDR: 2025-05-27 12:24:23 +0900

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