ASPECTS OF THE MAGNETITE CRYSTALLINE STRUCTURE A BRIEF OVERVIEW OF NANOMAGNETISM

磁铁矿 材料科学 人文学科 纳米技术 结晶学 物理 化学 哲学 冶金
作者
Guilherme Moisés Sampaio,Ana Brandi
出处
期刊:Nucleus [Fundacao Educational de Ituverava]
卷期号:16 (1): 293-297
标识
DOI:10.3738/1982.2278.3532
摘要

This article aims to present briefly the relation of the origin of the magnetic behavior at nanoscale with the influence of the crystalline structure of the respective particulate material in question - [magnetite (Fe3O4)]. In general, we intend to give an insight into the understanding of the properties and fundamentals of the macroscopic interactions of magnetic solids in a microscopic picture. Keywords: Magnetite. Crystalline Structure. Magnetic Behavior. Nanomagnetism. RESUMO Este artigo tem por objetivo apresentar brevemente a relação da origem do comportamento magnético em nanoescala com a influência da estrutura cristalina do respectivo material particulado em questão - [magnetita (Fe3O4)]. De modo geral, pretendemos dar uma visão sobre a compreensão das propriedades e fundamentos das interações macroscópicas de sólidos magnéticos em um quadro microscópico. Palavras-chave: Magnetita. Estrutura Cristalina. Comportamento Magnético. Nanomagnetismo. REFERENCES CALLISTER, W. D. JR.; RETHWISCH, D. G. Materials Science and Engineering: An Introduction. New York: 8th ed. John Wiley & Sons. 2009. COWBURN, R. P.; KOLTSOV, D. K.; ADEYEYE, A. O.; WELLAND, M. E.; TRICKER, D. M. Single-Domain Circular Nanomagnets. Physical Review Letters, v. 83, n. 5, p. 1042-1045, 1999. ELLIOTT, S. R. The Physics and Chemistry of Solids. New York: 1st ed. John Wiley & Sons. 1998. FARIA, R. N.; LIMA, L. F. C. P. Introdução ao Magnetismo dos Materiais. São Paulo: 1 ed. Editora Livraria da Física. 2005. FIGUEIREDO, W.; SCHWARZACHER, W. Magnetic relaxation and thermal properties of a two-dimensional array of dipolar-coupled nanoparticles. Journal of Physics: Condensed Matter, v. 19, n. 27, p. 1-19, 2007. GUBIN, S. P. Magnetic Nanoparticles. Weinheim, Germany: 1st ed. Wiley-VCH Verlag GmbH & Co. KGaA. 2009. GUIMARÃES, A. P. Propriedades Magnéticas de Sistemas Granulares. Revista Brasileira de Ensino de Física, São Paulo, v. 22, n. 3, p. 382-386, 2000. HOFMANN, P. Solid State Physics: An Introduction. Weinheim, Germany: 2nd ed. Wiley-VCH Verlag GmbH & Co. KGaA. 2015. KITTEL, C. Theory of the Structure of Ferromagnetic Domains in Films and Small Particles. Physical Review, v. 70, n. 11-12, p. 965-971, 1946. LANDAU, L.; LIFSHITS, E. On the Theory of the Dispersion of Magnetic Permeability in Ferromagnetic Bodies. Ukrainian Journal of Physics, Kharkov, v. 53, p. 14-22, 2008. SAFARIKOVA, M.; SAFARIK, I. The Application of Magnetic Techniques in Biosciences. Magnetic and Electrical Separation, v. 10, n. 4, p. 223-252, 2001. SCHULZ, M. J.; SHANOV, V. N.; YUN, Y. Nanomedicine Design of Particles, Sensors, Motors, Implants, Robots, and Devices. Boston: 1st ed. Artech House Publisher. 2009. SINNECKER, J. P. Materiais Magnéticos Doces e Materiais Ferromagnéticos Amorfos. Revista Brasileira de Ensino de Física, São Paulo, v. 22, n. 3, p. 396-405, 2000.
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