Search Results - "Sohn, R. S. T. M."

Magnetic and dielectric properties of the M-type barium strontium hexaferrite (BaxSr1−xFe12O19) in the RF and microwave (MW) frequency range by Pereira, F. M. M., Santos, M. R. P., Sohn, R. S. T. M., Almeida, J. S., Medeiros, A. M. L., Costa, M. M., Sombra, A. S. B.

“…This paper presents results for the dielectric permittivity ( ε ′), dielectric loss (tg δ E ) dielectric permeability ( μ ′) and magnetic loss (tg δ M ) in the…”
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Structural and dielectric spectroscopy studies of the M-type barium strontium hexaferrite alloys (BaxSr1−xFe12O19) by Pereira, F. M. M., Junior, C. A. R., Santos, M. R. P., Sohn, R. S. T. M., Freire, F. N. A., Sasaki, J. M., de Paiva, J. A. C., Sombra, A. S. B.

“…The M-type barium hexaferrite Ba x Sr 1− x Fe 12 O 19 (where 0 <  x  < 1) alloys were prepared by a new ceramic procedure. The samples were studied using X-ray…”
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Structural studies of a new electroceramic composite: Pb(Fe0.5Nb0.5)O3 (PFN)-Cr0.75Fe1.25O3(CRFO) by Freire, F. N. A., Rocha, H. H. B., Santos, M. R. P., Fechine, P. B. A., Pereira, F. M. M., Sohn, R. S. T. M., Vasconcelos, I. F., Sombra, A. S. B.

“…A study of the structural characteristics of the composites [Pb(Fe 0.5 Nb 0.5 )O 3 (PFN)] x -[Cr 0.75 Fe 1.25 O 3 (CRFO)] 100− x ( x  = 0 (CRFO100), 10, 50,…”
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Studies of the temperature coefficient of capacitance (TCC) of a new electroceramic composite: Pb(Fe0.5Nb0.5)O3 (PFN)–Cr0.75Fe1.25O3(CRFO) by Freire, F. N. A., Santos, M. R. P., Pereira, F. M. M., Sohn, R. S. T. M., Almeida, J. S., Medeiros, A. M. L., Sancho, E. O., Costa, M. M., Sombra, A. S. B.

“…In this paper we did a study of the dielectric properties: capacitance (C), dielectric permittivity(ε), electric modulus(M) and dielectric loss(tangα)) in the…”
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Study of the temperature and organic bindings effects in the dielectric and structural properties of the lithium ferrite ceramic matrix (LiFe 5O 8) by Costa, M.M., Sohn, R.S.T.M., Macêdo, A.A.M., Mazzetto, S.E., Graça, M.P.F., Sombra, A.S.B.

“…► Organic bindings show that the bindings significantly alter the dielectric properties. In this study, the effects of the calcination temperature and of the…”
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Studies of the structural and electrical properties of lithium ferrite (LiFe5O8) by Sohn, R S T M, Macêdo, A A M, Costa, M M, Mazzetto, S E, Sombra, A S B

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Experimental and numerical investigation of a ceramic dielectric resonator (DRA) : CaCu3Ti4O12 (CCTO) by ALMEIDA, A. F. L, SILVA, R. R, ROCHA, H. H. B, FECHINE, P. B. A, CAVALCANTI, F. S. A, VALENTE, M. A, FREIRE, F. N. A, SOHN, R. S. T. M, SOMBRA, A. S. B

“…In this study, the CaCu3Ti4O12 (CCTO) ceramic phase was synthesized by microwave heating in a much shorter time compared to the conventional heating methods…”
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Experimental and numerical investigation of a magnetic resonator antenna based on the M-type hexaferrite (BaxSr1−xFe12O19) by Pereira, F. M. M., Sohn, R. S. T. M., Rodrigues, H. O., Júnior, G. F. M. P., Theophilo, K. R. B., Rocha, M. J. S., Silva, M. A. S., Sombra, A. S. B.

“…In this work is reported an experimental and numerical investigation of magnetic resonator antennas (MRA) of magnetic the alloy BaxSr1−xFe12O19 obtained in a…”
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Structural properties of CaTi1―xNb2/3Li2/3xO3―ð (CNLTO) and CaTi1―xNb1/2Ln1/2xO3 (Ln = Fe (CNFTO), Bi (CNBTO)), modified dielectric ceramics for microwave applications by COSTA, R. C. S, BRUNO COSTA, A. D. S, FREIRE, F. N. A, SANTOS, M. R. P, ALMEIDA, J. S, SOHN, R. S. T. M, SASAKI, J. M, SOMBRA, A. S. B

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Electrical properties of the electroceramic composite in the microwave frequency range: Pb(Fe 0.5 Nb 0.5 )O 3 (PFN)–Cr 0.75 Fe 1.25 O 3 (CRFO) by Santos, M R P, Freire, F N A, Sohn, R S T M, Almeida, J S, Sancho, E O, Costa, A D S B, Medeiros, A M L, Sombra, A S B

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Dielectric resonator antenna: Operation of the magnetodielectric composites Cr 0.75 Fe 1.25 O 3 (CRFO)/Fe 0.5 Cu 0.75 Ti 0.75 O 3 (FCTO) by Rocha, H. H. B., Freire, F. N. A., Costa, R. C. S., Sohn, R. S. T. M., Orjubin, G., Junqueira, C., Cordaro, T., Sombra, A. S. B.

“…Abstract The probe‐feed cylindrical dielectric resonator antennas (DRA) based on a new magnetodielectric composites Cr 0.75 Fe 1.25 O 3 (CRFO)/Fe 0.5 Cu 0.75…”
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Dielectric resonator antenna: Operation of the magnetodielectric composites Cr0.75Fe1.25O3 (CRFO)/Fe0.5Cu0.75Ti0.75O3 (FCTO) by Rocha, H. H. B., Freire, F. N. A., Costa, R. C. S., Sohn, R. S. T. M., Orjubin, G., Junqueira, C., Cordaro, T., Sombra, A. S. B.

“…The probe‐feed cylindrical dielectric resonator antennas (DRA) based on a new magnetodielectric composites Cr0.75Fe1.25O3 (CRFO)/Fe0.5Cu0.75Ti0.75O3 (FCTO) are…”
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Electrical properties of the electroceramic composite in the microwave frequency range: Pb(Fe0.5Nb0.5)O3 (PFN)–Cr0.75Fe1.25O3 (CRFO) by Santos, M R P, Freire, F N A, Sohn, R S T M, Almeida, J S, Sancho, E O, Costa, A D S B, Medeiros, A M L, Sombra, A S B

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