Issue 39, 2015
From the journal:

Physical Chemistry Chemical Physics

Tuning magnetic properties of antiferromagnetic chains by exchange interactions: ab initio studies

Kun Tao,*abc   Qing Guo,a   Puru Jena,b   Desheng Xuea  and  Valeri S. Stepanyukc  

* Corresponding authors

a Key Lab for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou 730000, People's Republic of China
E-mail: taokun@lzu.edu.cn

b Physics Department, Virginia Commonwealth University, Richmond, VA, USA

c Max-Planck-Institute of Microstructure Physics, Halle, Germany

Abstract

The possibility of using exchange interactions to manipulate the spin state of an antiferromagnetic nanostructure is explored using ab initio calculations. By considering M (M = Mn, Fe, Co) mono-atomic chains supported on Cu2N islands on a Cu(001) surface as a model system, it is demonstrated that two indistinguishable Néel states of an antiferromagnetic chain can be tailored into a preferred state by the exchange interaction with a magnetic STM tip. The magnitude and direction of the anisotropy for antiferromagnetic chains can also be tuned by exchange coupling upon varying the tip–chain separation.

Graphical abstract: Tuning magnetic properties of antiferromagnetic chains by exchange interactions: ab initio studies

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Article information

DOI
https://doi.org/10.1039/C5CP04663G
Article type
Paper
Submitted
06 Aug 2015
Accepted
01 Sep 2015
First published
01 Sep 2015

Phys. Chem. Chem. Phys., 2015,17, 26302-26306

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Tuning magnetic properties of antiferromagnetic chains by exchange interactions: ab initio studies

K. Tao, Q. Guo, P. Jena, D. Xue and V. S. Stepanyuk, Phys. Chem. Chem. Phys., 2015, 17, 26302 DOI: 10.1039/C5CP04663G

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