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Phase Transitions
A Multinational Journal
Volume 93, 2020 - Issue 2
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Articles

Decorated Ising nanoparticles with high critical temperature

T. Kaneyoshi Prof. Emeritus, Nagoya University, Nagoya, JapanCorrespondence[email protected]
Pages 263-273 | Received 07 Dec 2019, Accepted 03 Jan 2020, Published online: 13 Jan 2020
 
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ABSTRACT

The phase transitions of two magnetic nanoparticles and their decorated nanoparticles are examined by the effective-field theory with correlations. They are consisted of two isolated paramagnetic Ising nanoparticles coupled by an exchange interaction. It is discussed whether a ferromagnetic nanoparticle with a transition temperature TC(N) larger than that (TC(B)) of a bulk ferromagnetic material is possible.

Disclosure statement

No potential conflict of interest was reported by the author.

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