Browsing by Author "Mohanan, P"

(1-x)MgAl2O4-xTiO(2) dielectrics for microwave and millimeter wave applications

Surendran, K P; Bijumon, P V; Mohanan, P; Sebastian, M T (Springer, 2005)

The MgAl2O4 ceramics were prepared by the conventional solid-state ceramic route and the dielectric properties studied in the microwave frequency region (3-13 GHz). The phase purity and crystal structure were identified ...

Broadband elliptical dielectric resonator antenna

Bijumon, P V; Sreedevi K Menon; Suma, M N; Lethakumary, B; Sebastian, M T; Mohanan, P (Wiley, 2006)

A broadband low-loss elliptical dielectric resonator antenna (DRA) excited by using the microstrip-line technique is proposed. The effect of geometrical modifications of the microstrip feed line on the gain, bandwidth, and ...

Broadband elliptical dielectric resonator antenna

Bijumon, P V; Sreedevi K Menon; Suma, M N; Lethakumary, B; Sebastian, M T; Mohanan, P (Wiley, 2006)

A broadband low-loss elliptical dielectric resonator antenna (DRA) excited by using the microstrip-line technique is proposed. The effect of geometrical modifications of the microstrip feed line on the gain, bandwidth, and ...

A compact hybrid CPW fed planar monopole/dielectric resonator antenna

Suma, M N; Bijumon, P V; Sebastian, M T; Mohanan, P (Elsevier, 2007)

Design of hybrid antenna consisting of a coplanar waveguide (CPW) fed printed monopole and cylindrical dielectric resonator is presented in this paper. A CPW fed printed monopole acts as an effective radiator and excites ...

Design and Fabrication of an E-Shaped Wearable Textile Antenna on PVB-Coated Hydrophobic Polyester Fabric

Roshni, S B; Jayakrishnan, M P; Mohanan, P; Surendran, K P (IOP Publishing, 2017-09-01)

In this paper, we investigated the simulation and fabrication of an E-shaped microstrip patch antenna realized on multilayered polyester fabric suitable for WiMAX (Worldwide Interoperability for Microwave Access) applications. ...

Dielectric Response of High Permittivity Polymer Ceramic Composite with Low Loss Tangent

Subodh, G; Deepu, V; Mohanan, P; Sebastian, M T (AIP Publishing, 2009)

The present communication investigates the dielectric response of the Sr9Ce2Ti12O36Sr9Ce2Ti12O36 ceramics loaded high density polyethylene and epoxy resin. Sr9Ce2Ti12O36Sr9Ce2Ti12O36 ceramic filled polyethylene and epoxy ...

Dielectric, thermal and mechanical properties of zirconium silicate reinforced high density polyethylene composites for antenna applications

Jobin Varghese; Nair, D R; Mohanan, P; Sebastian, M T (Royal Society of Chemistry, 2015-06-14)

A low cost and low dielectric loss zirconium silicate (ZrSiO4) reinforced HDPE (high-density polyethylene)composite has been developed for antenna applications. The 0–3 type composite is prepared by dispersing ZrSiO4 ...

Dielectric, thermal, and mechanical properties of CeO2-filled HDPE composites for microwave substrate applications

Anjana, P S; Deepu, V; Uma, S; Mohanan, P; Philip, J; Sebastian, M T (Wiley, 2010)

Cerium oxide-filled high density polyethylene (HDPE) composites for microwave substrate applications were prepared by sigma-blend technique. The HDPE was used as the matrix and the dispersion of CeO2 in the composite was ...

Effect of coupling agent on the thermal and dielectric properties of PTFE/Sm2Si2O7 composites

Sherin Thomas; Sujith Raman; Mohanan, P; Sebastian, M T (Elsevier, 2010-04-16)

The present study investigates the dielectric and thermal properties of PTFE/Sm2Si2O7 composites. The composites were prepared by powder processing technique followed by hot pressing. The variation of the dielectric ...

Effect of filler content on the dielectric properties of PTFE/ZnAl2O4-TiO2 composites

Sherin Thomas; Deepu, V N; Mohanan, P; Sebastian, M T (Wiley, 2008)

ZnAl2O4-TiO2 (ZAT)/polytetrafluoroethylene (PTFE) composites were prepared by powder processing method. The structure and microstructure of the composites were analyzed using X-ray diffraction and scanning electron microscopic ...

Effect of nonstoichiometry on the structure and microwave dielectric properties of Ba(Mg0.33Ta0.67)O-3

Surendran, K P; Sebastian, M T; Mohanan, P; Moreira, R L; Dias, A (American Chemical Society, 2005)

The effect of a slight A- and B-site cation nonstoichiometry on the structure, densification, and microwave dielectric properties of Ba(Mg1/3Ta2/3)O-3 (BMT) was investigated. Magnesium and barium nonstoichiometric compositions ...

Effect of silane coupling agent on the dielectric and thermal properties of DGEBA-forsterite composites

Sasikala, T S; Raman, S; Mohanan, P; Pavithran, C; Sebastian, M T (Springer, 2011)

Diglycidyl ether of bisphenol A (DGEBA) -forsterite composites have been prepared through mechanical mixing process and the influence of silane coupling agent on the microstructure, dielectric and thermal properties were ...

FDTD analysis of rectangular dielectric resonator antenna

Mohanan, P; Mridula, S; BinuPaul; Suma, M N; Bijumon, P V; Sebastian, M T (Elsevier, 2007)

The paper presents basics of electromagnetic theory and dielectric resonator antennas, fundamental concepts of FDTD and some significant results of the FDTD analysis of rectangular dielectric resonator antennas (RDRA)

Influence of Ca[(Li1/3Nb2/3)(0.8)Ti-0.2]O3-delta filler on the microwave dielectric properties of polyethylene and polystyrene for microelectronic applications

Sumesh George; Deepu, V N; Mohanan, P; Sebastian, M T (Wiley, 2010)

Ceramic reinforced polyethylene and polystyrene composites were prepared by melt mixing and hot molding techniques. Temperature stable low-loss Ca[(Li1/3Nb2/3)(0.8)Ti-0.2]O3-delta (CLNT) ceramic was used as the filler to ...

L-strip-fed wideband rectangular dielectric resonator antenna

Sreedevi K Menon; Lethakumary, B; Bijumon, P V; Sebastian, M T; Mohanan, P (Wiley-Blackwell, 2005)

In this paper, the advantages of using L-shaped microstrip feed to excite a rectangular dielectric resonator antenna (DRA) by electromagnetic coupling are presented. This feeding technique enhances the bandwidth and gain ...

Low dielectric loss PTFE/CeO(2) ceramic composites for microwave substrate applications

Anjana, P S; Sebastian, M T; Suma, M N; Mohanan, P (Wiley, 2008)

Cerium oxide (CeO(2)) filled polytetrafluoroethylene (PTFE) composites prepared by powder processing technique for microwave substrate application is presented in this paper. The PTFE is used as the matrix and the dispersion ...

Low-Temperature sintering and microwave dielectric properties of Li2MgSiO4 ceramics

Sumesh George; Anjana, P S; Deepu, V N; Mohanan, P; Sebastian, M T (Wiley, 2009)

Development of a low-temperature sintered dielectric material derived from Li2MgSiO4 (LMS) for low-temperature cofired ceramic (LTCC) application is discussed in this paper. The LMS ceramics were prepared by the solid-state ...

Microwave dielectric properties of Ba(Mg1/3Ta((2-2x))(/3)Wx/3Tix/3)O-3 ceramics

Surendran, K P; Mohanan, P; Sebastian, M T (Elsevier, 2006)

The microwave dielectric properties of ceramics based on Ba(Mg1/3Ta(2-2x)/3Wx/3Tix/3)O-3 is investigated as a function of x. The densification as well as dielectric properties deteriorate with increase in the substitution ...

Novel low loss, low permittivity glass-ceramic composites for LTCC applications

Sumesh George; Sebastian, M T; Sujith, R; Mohanan, P (Wiley, 2011)

New low-temperature sinterable dielectric materials based on Li2CaSiO4 (LCS) ceramic has been developed. The LCS ceramics were prepared by solid-state ceramic route. The calcination and sintering temperatures of LCS were ...

A novel SrPbCeTiO ferroelectric thin film grown by pulsed laser ablation

Krishnaprasad, P S; Mohanan, P; Subodh, G; Sebastian, M T; Jayaraj, M K (Springer, 2014)

Complex perovskite oxide ferroelectric thin films are of great technological interest because of their high dielectric constant and large tunability. In this paper, we report the structural and electrical properties of ...

Browsing by Author "Mohanan, P"

Browsing by Author "Mohanan, P"

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