Jasmi, K K; Johny, T. Anto; Siril, vs; Madhusoodanan, K.N.(Journal of Sol-Gel Science and Technology, 2023-06)
In this work, the Zn1-xNaxO (x = 0, 0.01, 0.03, and 0.05) thin film gas sensors were prepared via the sol-gel spin coating
method to study the impact of sodium on structural, morphological, elemental, electrical, and gas ...
Jasmi, K K; Johny, T. Anto; Siril, vs; Madhusoodanan, K.N.(Journal of Materials Science: Materials in Electronics, 2023-10)
Herein, the (Zn0.97−xLixMn0.03)O ( x = 0, 0.01, 0.03, and 0.05 ) thin flms were prepared on a glass substrate via the sol–gel spin coating technique to study the
infuence of lithium on Mn-doped ZnO thin flms for structural, ...
Jasmi, K K; Johny, T. Anto; Siril, vs; Madhusoodanan, K.N.(Indian Journal of Physics, 2023-05)
In this paper, we demonstrate pure, Gd-doped, and Gd/Li co-doped ZnO nanostructures for NO2 gas sensing
applications fabricated via the sol–gel spin coating route. The synthesized samples are examined through various ...
Aravind, Anu Mini; Tomy, Merin; Kuttapan, Anupama; Aippunny, Ann Mary Kakkassery; Suryabai, Xavier Thankappan(ACS Publications, 2023-11-14)
Supercapacitors, designed to store more energy and be proficient in accumulatingmore energy than conventional batteries with numerous charge−discharge cycles, have beendeveloped in response to the growing demand for energy. ...
Ann Mary, K A; Paul, Tessy; Kuttappan, Anupama; Jibin, P O; Anoop, K K(Carbon Trends, 2023-12)
Eco-friendly, biomass derived single component luminescent materials with dual emission bands hold immense potential in white light emitting devices (WLED). Compared to WLED fabricated from different color emitting carbon ...
Jasmi, K K; Johny, T. Anto; Siril, v s; Madhusoodanan, K.N.(AIP Publishing, 2023-08-31)
Metal Oxide Semiconducting (MOS) gas sensors based on ZnO are extensively explored due to their exceptional
physicochemical properties. Here, prepared films were characterized through XRD, FESEM, and Hall measurements ...
A novel and efficient method to overcome the barriers of conventional diffraction limit
using a specially designed metamaterial Split Ring Resonator (SRR) structure as an imaging sensor
at microwave frequency is proposed. ...
Umadevi, K. S; Simon, Sikha K.; Chakyar, Sreedevi P.; Andrews, Jolly; Joseph, V. P.(IEEE Xplore, 2019-11-14)
This paper proposes a wide band microwave absorber in a bulk form realized using a Broad Side Coupled Split Ring Resonator (BCSRR) metamaterial structural units fabricated in a novel way which possesses structural flexibility ...
A novel and better resolution topology for reducing the sensing area of conventional Split Ring Resonator
(SRR) metamaterial structure is proposed. The conventional planar SRR structure is fabricated on a thin flexible ...
Dielectric constant variation with temperature for different wax sampies is analysed with the help of split ring resonators (SRRs). The method employs a simple extraction procedure to obtain the unknown permittivity values ...
The solution for the radial distribution of pressure, density, temperature and flow velocity fields in a blast wave propagating through a medium at rest, following an intense explosion, starting from hydrodynamic equations, ...
This paper presents the fabrication and microwave absorption properties of low-cost flexible light-weight zinc oxide (ZnO) sheet. The elastomers, films and foams used as microwave absorbers are made of lossy materials ...
This paper implements Nonstandard Finite Difference Time Domain (NS-FDTD) method to analyses the scattering effect of electromagnetic wave by an artificial plasma cylinder. This NS-FDTD which requires less iteration time ...
A novel and better resolution topology for reducing the sensing area of conventional Split Ring Resonator (SRR) metamaterial structure is proposed. The conventional planar SRR structure is fabricated on a thin flexible ...
The present work reports the development of a multiband monopole patch antenna by utilizing Broadside Coupled Split Ring Resonator (BCSRR) units. This antenna makes use of the resonant property of metamaterial BCSRR units ...
This paper describes an efficient method for the precise measurement of thickness of dielectric films using metamaterial Broadside Coupled Split Ring Resonator (BCSRR). The experimental arrangement is based on the frequency ...
Paul, Nees; Kizhakooden, Joe; Jose, Jovia; Andrews, Jolly; Joseph, VP(Institute of Electrical and Electronics Engineers Inc., 2019)
We present the observance of magnetic resonance for the first time in Split Ring Resonators (SRRs) made of polyaniline - based conducting polymer and verify our experimental result through simulation. The magnetic resonance ...
Paul, Nees; Cherala, Bindu; Andrews, Jolly; Joseph, VP; Simon, Sikha K.(Institute of Electrical and Electronics Engineers Inc., 2019)
In this paper we present a metamaterial Split Ring Resonator (SRR) made of thin films of nanometer thickness working in microwave frequencies. Since the thickness of nano-film used for fabricating metamaterial structures ...
Joe, K; Jovia, J; Nees, P; Andrews, Jolly; Joseph, VP(Institute of Electrical and Electronics Engineers Inc., 2019)
This paper presents metamaterial based monopole patch antenna capable of tuning the radiating frequency over a wide bandwidth. The proposed novel antenna structure makes use of the metamaterial properties of Broadside ...
Jose, Jovia; Simon, Sikha K; Kizhakooden, Joe; Andrews, Jolly; Joseph, VP(Institute of Electrical and Electronics Engineers Inc, 2019)
The radiation behaviour of a corner reflector antenna designed using epsilon negative (ENG) artificial wire medium is realized using nonstandard Finite Difference Time Domain (NS-FDTD) method and the results are compared ...