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Dy2@C79N: a new member of dimetalloazafullerenes with strong single molecular magnetism

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Abstract

Enhancing the exchange interaction between magnetic ions is a long-term target in molecular magnetism. Endohedral metallofullerenes (EMFs) provide a possibility for achieving such a goal by imprisoning multiple magnetic centers inside the confined inner space of a fullerene cage. Here, we report a new member of dimetallic azafullerene Dy2@C79N via crystallographic determination for the first time. Magnetic studies indicate that the strong ferromagnetic coupling between lanthanide ions and unpaired electrons enables Dy2@C79N to be a favorable SMM with large energy barrier of U = 669 K and observable hysteresis loops below 24 K.

Graphical abstract: Dy2@C79N: a new member of dimetalloazafullerenes with strong single molecular magnetism

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Article information


Submitted
25 Apr 2020
Accepted
05 May 2020
First published
06 May 2020

Nanoscale, 2020, Advance Article
Article type
Paper

Dy2@C79N: a new member of dimetalloazafullerenes with strong single molecular magnetism

Y. Wang, J. Xiong, J. Su, Z. Hu, F. Ma, R. Sun, X. Tan, H. Sun, B. Wang, Z. Shi and S. Gao, Nanoscale, 2020, Advance Article , DOI: 10.1039/D0NR02519D

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