MAGNETIC PROPERTY OF CoO ULTRAFINE PARTICLE-Reference-Cited by-同舟云学术

MAGNETIC PROPERTY OF CoO ULTRAFINE PARTICLE

Published:1996-02 Issue:01 Volume:03 Page:109-113
ISSN:0218-625X
Container-title:Surface Review and Letters
language:en
Short-container-title:Surf. Rev. Lett.

Author:

SAKO SANSHIRO¹,OHSHIMA KAZUNARI²,SAKAI MASAHIRO³,BANDOW SHUNJI³

Affiliation:

1. Department of Physics, Faculty of Education, Mie University, Tsu, Mie 514, Japan

2. Laboratory of Physics, Matsumoto Dental College, Shiojiri 399–07, Japan

3. Instrument Center, Institute for Molecular Science, Myodaiji, Okazaki 444, Japan

Abstract

The effect of the decrease in the coordination number of atoms in surface on the magnetic transition temperature was investigated experimentally and theoretically for CoO ultrafine particles. The decreasing tendency of the Néel temperature T N with decreasing average size was confirmed in the size range from 2.0 to 3.0 nm through the ESR measurement. The similar tendency of T N for size was gained through the calculation of T N in the mean-field theory using the prism model within the Ising thin-film model.

Publisher

World Scientific Pub Co Pte Lt

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218625X96000231

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