Himangshu Baskey

Himangshu Baskey
DEFENCE RESEARCH & DEVELOPMENT ORGANISATION · Department of Electrical Engineering

About

48
Publications
8,902
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
676
Citations
Additional affiliations
August 2010 - present
Indian Institute of Technology Kanpur
Position
  • Researcher
August 2010 - present
Indian Institute of Technology Kanpur
Position
  • Research Schoalr
August 2010 - present
Indian Institute of Technology Kanpur
Position
  • Researcher

Publications

Publications (48)
Article
Electromagnetic shielding (EMS) has become the necessity of the present era due to enormous expansion in electronic devices accountable to emit electromagnetic radiation. The principal target of this paper is to originate three-dimensional (3D) orthogonal fabrics with conductive hybrid weft yarn and to determine their electromagnetic shielding. DRE...
Article
The effect of the addition of bio-waste derived activated carbon (AC) on magnetic and dielectric properties of barium hexaferrite (BaFe12O19) has been investigated for microwave absorption application. Activated carbon was synthesized from banana peel while the low-density barium hexaferrite was fabricated by using the auto-combustion method. The c...
Article
Full-text available
The low-density composites based on carbon black (CB) nanopowder and barium hexaferrite (BaFe12O19) nanoparticles are synthesized and characterized for microwave absorption properties in X-band (8.2–12.4 GHz). Barium hexaferrite nanoparticles are developed using low-cost autocombustion method that resulted in low-density particles with uniform part...
Article
A novel microwave absorbing composite medium for X-band (8 GHz–12GHz) is developed by mixing of core-shell consisting of carbon quantum dots (CQDs) coated barium titanate (BaTiO3) fibers with barium hexaferrite (BaFe12O19) nanoparticles. CQDs are synthesized from agricultural waste using lemon peel as precursor material while the low density BaTiO3...
Article
Full-text available
Yttrium-doped strontium hexaferrites particles, Sr1−xYxFe12O19 (x = 0.1, 0.2 and 0.3), are developed using auto combustion method. The doping resulted in partial replacement of Fe3+ ions with Fe2+ ions which is found to be an effective method to tune microwave absorption properties of strontium hexaferrite. The XRD spectrum confirmed the formation...
Article
Full-text available
This paper presents the design, fabrication, and electromagnetic testing of a frequency selective surface (FSS)-based novel hybrid nanocomposite absorber for enhanced electromagnetic absorption. The proposed hybrid absorber consists of an FSS pattern printed over a dielectric substrate backed by aluminum foil, which is integrated together with a cu...
Article
Full-text available
This study involves a comprehensive evaluation of electromagnetic shielding characteristics of multilayer three-dimensional conductive fabrics by using cotton/copper wrapped hybrid yarn in X band frequency range. Five, three-dimensional fabrics with different structural configuration, such as orthogonal, angle interlock, cellular spacer, multi-tubu...
Conference Paper
Full-text available
In this paper a monolithic radar absorbing composite based on carbon veils (CV) and glass fiber reinforced plastic (GFRP) have been designed and fabricated. The GFRP laminates consist of glass fabrics impregnated with epoxy, whereas optimized weight percentages of carbon fibers have been impregnated with glass fiber in CV using fiber spinning techn...
Article
A semi-interpenetrating polymer network (IPN) of fullerene-based polyacrylonitrile and polyaniline is synthesized. The fabricated IPN is characterized by infrared spectroscopic technique, differential scanning calorimetric analysis, thermogravimetric analysis (TGA), conductivity analysis, field emission scanning electron microscopic techniques, tra...
Article
Full-text available
In the present work, fabrication and evaluation of low density glass - epoxy (LDGE) composites suitable for absorbing minimum 80 per cent of incident microwave energy in 8 GHz to 12 GHz (X-band) is reported. LDGE composites having different densities were fabricated using a novel method of partially replacing conventional S-glass fabric with low de...
Article
Magnetic composite comprising barium hexaferrite and zinc spinel ferrite nanoparticles, BaFe12O19/ZnFe2O4 has been synthesized by auto-combustion method including citrate precursor using the sol-to-gel (S–G) followed by gel-to-nanocrystalline (G–N) conversion. The resulting ‘as synthesized’ powder is heat treated (HT) at 700 °C for 2 h in air atmos...
Article
In this paper we presented the electromagnetic analysis of multilayered Radar Absorbing Structure (RAS) composed of Multi-Wall Carbon Nano Tubes (MWCNTs) with different weight percentages.The complex permittivity and permeability of MWCNT/epoxy composites with different wt% are analysed and the microwave absorbing characteristics are evaluated. The...
Article
A Novel flexible fullerene based interpenetrating polymer network (IPN) of poly (α-methyl styrene) and polyurethane is synthesized. The polymer network is characterized using infrared, ¹³C NMR spectroscopy, differential scanning calorimetric analysis, thermo gravimetric analysis, conductivity analysis, transmission electron microscopic techniques,...
Article
Microwave-absorbing materials based on reduced graphene oxide (r-GO)/strontium titanate were prepared by embedding in epoxy matrix. R-GO and strontium titanate were synthesized and characterized before composite fabrication. Microstructures of the constituent elements were studied by scanning electron microscopy and X-ray diffraction (XRD). Microwa...
Article
The dielectric properties of the exfoliated graphite (EG) and silicon carbide (SiC) powder based epoxy nanocomposites are investigated in the microwave frequency region for radar absorbers and stealth applications. The resulting composites are found to possess high dielectric constant and loss tangent in the X band (8.2-12.4 GHz) frequency region....
Article
This paper presents the design, synthesis, and testing of a novel flexible hybrid nanocomposite (FHN) structure for the wideband radar cross section (RCS) reduction of targets. The proposed FHN structure consists of a frequency selective surface (FSS) pattern printed on a thin flexible polyimide film backed by aluminum foil, which is then integrate...
Article
Full-text available
This paper presents the design, synthesis, and testing of a novel wide band electromagnetic hybrid absorber (HA) for the radar cross section (RCS) reduction of antennas. The proposed HA is based on the design of a metamaterial structure coated with the synthesized dielectric absorber material. The dielectric filler based composite absorber is fabri...
Conference Paper
Microwave absorbing materials are of vital importance in solving the increasing menace of electromagnetic interference problems, caused due to the proliferation of electronic devices & systems. They have potential applications in the stealth technology for radar cross section reduction. In this paper, a radar absorber structural (RAS) composite has...
Conference Paper
In this paper design, fabrication and electromagnetic characterization of wide band dielectric absorbers based on carbon fibers and polyaniline powder have been presented. The fabricated absorbers have been characterized using free space measurement system (FSMS) in X band frequency region. A return loss maxima of 31 dB i.e. absorption of 99% at 10...
Article
Full-text available
This paper presents the design, synthesis, characterization, and performance evaluation of a metamaterial absorber having four distinct absorption peaks. The proposed absorber is based on the periodic array of the hexagonal closed rings and octa-star structure printed over the dielectric substrate. The dimensions of unit cell are optimized such tha...
Article
Full-text available
A novel core–shell-structured nanocomposite material based on titanium dioxide-coated magnetite and Ni-ferrite has been prepared for RADAR absorbing application in a X-band region. The coating of magnetic particles with TiO2 was carried out by in situ hydrolysis of titanium tetrabutoxide, and the composite absorber sheets were prepared with epoxy r...
Article
This paper presents a novel mixing formula for computing the effective complex permittivity of layered dielectrics and composites in the microwave frequency range. The newly derived formula for the slab-shaped mixed dielectrics and composites is substantially different from other mixing equations present in the literature, as the proposed formula c...
Article
Zinc substituted ferrite powders Me0.5Zn0.5Fe2O4(Me=Co, Mn and Ni) were prepared by the sol-gel auto-combustion method. The present study highlights development of Single layer and double layer composite microwave absorbing materials using Ferrites, Titanium dioxide and Epoxy matrix. Moreover microwave absorption property, i.e reflection loss evalu...
Article
Full-text available
In this report, we demonstrate microwave absorption properties of barium hexaferrite, doped barium hexaferrite, titanium dioxide and conducting carbon black based RADAR absorbing material for stealth application. Double-layer absorbers are prepared with a top layer consisting of 30% hexaferrite and 10% titanium dioxide while the bottom layer compos...
Article
This paper presents the design, preparation, and electromagnetic testing of wideband dielectric absorbers based on carbon fibers and carbon black powders for stealth applications. The specially prepared absorbers are characterized using the partially filled waveguide technique for the complex permittivity, and the return loss of the sample is measu...
Conference Paper
In this paper we present a novel multiple narrow slits based polarization insensitive metamaterial structure possessing electromagnetic absorption characteristics in C and X band frequencies. The proposed structure have been designed using CST Microwave studio, which shows the metal backed reflection loss of 17 dB and 19.36 dB at 7.30 and 10.80 GHz...
Conference Paper
This paper describes the design procedures and the electromagnetic testing of carbon black and carbon fiber-epoxy composites for their applications as electromagnetic absorbers. The designed absorber composites are fabricated and tested in the microwave frequency range using the proposed partially filled rectangular waveguide setup. The measured pe...
Conference Paper
This paper presents a novel metamaterial structure based on hexagonal rings having polarization insensitive absorption characteristics in C and X band frequencies. The proposed structure is designed and simulated using CST Microwave Studio, which shows minimum return loss of 18.40 dB and 25.4 dB at 6.10 GHz and 10 GHz with absorption of 98.5% and 9...
Article
Nickel substituted strontium hexaferrite, SrNi2Fe10O19·(SrFe12O19/NiFe2O4) nanoparticles have been synthesized by low combustion method by citrate precursors using sol to gel (S–G) followed by gel to nano crystalline (G–N) conversion. The resulting ‘as-synthesized’ powder is heat treated (HT) at 800 and 1000 °C for 4 h in nitrogen atmosphere. The h...
Article
In this paper we employ semiclassical Monte Carlo approach to study spin polarized transport in InP nanowires. InP is being researched as suitable III–V material for spintronics applications because of higher spin relaxation lengths. Spin relaxation in InP channel is caused due to D'yakonov-Perel (DP) relaxation and also due to Elliott-Yafet (EY) r...
Article
In this study, (Zr0.8Sn0.2)TiO4-epoxy composites are synthesised, characterised and used in dielectric resonator antenna applications. (Zr0.8Sn0.2)TiO4 and epoxy are mixed in five different ratios, that is, 50: 50, 60: 40, 70: 30, 80: 20 and 90:10 with small amount of hardner (HY 951). The crystal structure and cell parameters of (Zr0.8Sn0.2)TiO4 a...
Conference Paper
In this study, (Zr 0.8Sn 0.2)TiO 4-Epoxy composite have been synthesized and characterized at X-band frequencies. (Zr 0.8Sn 0.2)TiO 4 and Epoxy are mixed in five different ratios, i.e. 50:50, 60:40, 70:30, 80:20 and 90:10 with small amount of hardner (HY 951). The complex permittivity of the composite is measured at different microwave frequencies...
Article
Zinc ferrite and strontium hexaferrite; SrFe12O19/ZnFe2O4 (SrFe11.6Zn0.4O19) nanoparticles having super paramagnetic nature were synthesized by simultaneous co-precipitation of iron, zinc and strontium chloride salts using 5 M sodium hydroxide solution. The resulting precursors were heat treated (HT) at 850, 950 and 1150°C for 4 h in nitrogen atmos...
Article
SrFe12O19/ZnFe2O4 (SrFe11.2Zn0.8O19) nanoparticles having superparamagnetic nature were synthesized by coprecipitation of chloride salts using 7.5 M sodium hydroxide solution. The resulting precursors were heat-treated at 900°C and 1200°C for 4 h in nitrogen atmosphere. During heat treatment (HT), transformation proceeds through instantaneous nuc...
Article
Full-text available
Nickel and zinc substituted strontium hexaferrite, SrFe11Zn0.5Ni0.5O19 (SrFe12O19/NiFe2O4/ZnFe2O4) nanoparticles having super paramagnetic nature are synthesized by co-precipitation of chloride salts using 7.5M sodium hydroxide solution. The resulting precursors are heat treated (HT) at 900 and 1200°C for 4h in nitrogen atmosphere. During heat trea...
Article
Mixture of cobalt ferrite and strontium hexaferrite nanocrystals i.e. SrFe12O19/CoFe2O4 exhibiting super paramagnetic nature were synthesized by modified flux method. The resulting precursors were heat treated (HT) at 900 and 1200°C for 4 h in nitrogen atmosphere. During heat treatment, transformation proceeds as instantaneous rate of nucleation an...
Article
Full-text available
The bioelectrical potentials generated within the human body are the result of electrochemical activity in the excitable cells of the nervous, muscular or glandular tissues. The ionic potentials are measured using biopotential electrodes which convert ionic potentials to electronic potentials. The commonly monitored biopotential signals are Electro...

Network

Cited By