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Robust Ferromagnetism of Chromium Nanoparticles Formed in Superfluid Helium

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posted on 2016-11-11, 11:52 authored by Shengfu Yang, Cheng Feng, Daniel Spence, Aula M. A. A. Al Hindawi, Elspeth Latimer, Andrew M. Ellis, Chris Binns, Davide Peddis, Sarnjeet S. Dhesi, Liying Zhang, Yafei Zhang, Kalliopi N. Trohidou, Marianna Vasilakaki, Nikolaos Ntallis, Ian MacLaren, Frank M. F. de Groot
Chromium nanoparticles are formed using superfluid helium droplets as the nanoreactors, which are strongly ferromagnetic. The transition from antiferromagentism to ferromagnetism is attributed to atomic scale disorder in chromium nanoparticles, leading to abundant unbalanced surface spins. Theoretical modeling confirms a frustrated aggregation process in superfluid helium due to the antiferromagnetic nature of chromium.

History

Citation

Advanced Materials, 2017, 29 (1), 1604277

Author affiliation

/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Chemistry

Version

  • VoR (Version of Record)

Published in

Advanced Materials

Publisher

Wiley

issn

0935-9648

eissn

1521-4095

Acceptance date

2016-09-19

Copyright date

2016

Available date

2016-11-11

Publisher DOI

Publisher version

http://onlinelibrary.wiley.com/doi/10.1002/adma.201604277/abstract;jsessionid=11DE4C3C377087770C5162E7DC8E4318.f02t04

Language

en

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    University of Leicester Publications

    Categories

    Keywords

    Monte Carlo simulationsX-ray circular dichroism (XMCD)chromium nanoparticlesferromagnetismsuperfluid helium droplets

    Licence

    CC BY 4.0

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