Cobalt ferrite development to sensors enclosering application to RF and microwave

• Grant number: 12/01448-2
• Support Opportunities: Regular Research Grants
• Start date: July 01, 2012
• End date: June 30, 2014
• Field of knowledge: Engineering - Aerospace Engineering - Materials and Processes for Aeronautical, Aerospace Engineering
• Principal Investigator: Antonio Carlos da Cunha Migliano
• Grantee: Antonio Carlos da Cunha Migliano
• Host Institution: Instituto de Estudos Avançados (IEAv). São José dos Campos , SP, Brazil
• City of the host institution: São José dos Campos
• Associated researchers: Vera Lúcia Othéro de Brito ; Yasmara Conceicao De Polli Migliano

Abstract

This document presents a scientific and technological project for the development and electromagnetic characterization of cobalt ferrite, with additions of copper, barium, manganese and nickel oxides, with potential application in the aerospace area. Computer Aided-Engineering (CAE) software based on Finite Difference Time Domain (FDTD) will be used for microstructure study and evaluation, considering electromagnetic properties measured from microstructure arrangement, formed by ferrites grains and interstitials regions. Cobalt ferrites and cobalt- substituted Ba, Cu, Mn and/or Ni oxides have potential for applications on radio frequency (RF) and microwave sensors packaging. Thus, this work has the goals the development and investigation of intrinsic properties such as complex permeability and permittivity of the CuxCo1-xFe2O4 (x=0; 0,3; 0,7 e 0,9), CoxBa5-xFe24O41 (x=0; 3 e 5), Co0,6Mn0,4Fe2O4 and Co0,9Ni0,1Fe2O4 ferrites, with potential applications in aerospace, such as in RF filters, pulse current transformer, heat and electromagnetic shields (radome), etc. (AU)

Scientific publications

(The scientific publications listed on this page originate from the Web of Science or SciELO databases. Their authors have cited FAPESP grant or fellowship project numbers awarded to Principal Investigators or Fellowship Recipients, whether or not they are among the authors. This information is collected automatically and retrieved directly from those bibliometric databases.)

V. L. O. BRITO; S. A. CUNHA; F. F. ARAÚJO; J. P. B. MACHADO; M. R. SILVA; C. B. NUNES. . Cerâmica, v. 61, n. 359, p. 341-349, 2015-09-00. (12/01448-2, 09/09524-7, 11/21258-0)

BOSS, ALAN FERNANDO NEY; BATISTA, HUDSON DE ARAUJO; FIGUEIREDO DE MELO COSTA, ANA CRISTINA; DA CUNHA MIGLIANO, ANTONIO CARLOS; WILKE, INGRID. Cobalt-Based Ferrites Characterization Using Two Different Terahertz Time-Domain Spectrometers. Journal of Infrared Millimeter and Terahertz Waves, v. 39, n. 11, p. 1127-1139, NOV 2018. (12/01448-2)

Filed patent(s) as a result of this research project