Shell-mediated control of surface chemistry of highly stoichiometric magnetite nanoparticles

Author:

Lavorato Gabriel C.1234ORCID,Rubert Aldo A.1234ORCID,Xing Yutao56789,Das Raja1011121314,Robles Joshua15161718,Litterst F. Jochen192092122,Baggio-Saitovitch Elisa19209,Phan Manh-Huong15161718ORCID,Srikanth Hariharan15161718ORCID,Vericat Carolina1234ORCID,Fonticelli Mariano H.1234ORCID

Affiliation:

1. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)

2. Universidad Nacional de La Plata – CONICET

3. 1900 La Plata

4. Argentina

5. Laboratório de Microscopia Eletrônica de Alta Resolução

6. Centro de Caracterização Avançada para Indústria de Petróleo (LaMAR/CAIPE)

7. Universidade Federal Fluminense

8. Niterói

9. Brasil

10. Faculty of Materials Science and Engineering and Phenikaa Institute for Advanced Study (PIAS)

11. Phenikaa University

12. Hanoi

13. Vietnam

14. Phenikaa Research and Technology Institute (PRATI)

15. Department of Physics

16. University of South Florida

17. 33620 Tampa

18. USA

19. Centro Brasileiro de Pesquisas Físicas

20. 22290-180 Rio de Janeiro

21. Institut für Physik der Kondensierten Materie

22. Technische Universität Braunschweig

Abstract

Magnetite nanostructures gradually oxidize under environmental conditions. Here we demonstrate that a Zn-ferrite epitaxial coating protects magnetite cores from oxidation and provides a core/shell system with enhanced magnetic properties.

Funder

Consejo Nacional de Investigaciones Científicas y Técnicas

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Fondo para la Investigación Científica y Tecnológica

Universidad Nacional de La Plata

Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro

U.S. Department of Energy

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

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