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Article
Estimation of Kinetic Parameters and Spectroscopic Analysis of Dy3+-Activated CaSi2O5 Phosphor
The synthesis and characterization of Dy3+-activated CaSi2O5 phosphor is reported. The phosphors were synthesized using a modified solid-state reaction method with variable concentrations of do** ions (0.1–2.5 ...
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Article
Assessing the efficacy of machine learning models in hydroxyapatite nano-powder assisted electro discharge machining of Ti-6Al-4 V Grade-5 alloy
Ti-6Al-4 V Grade-5 alloy is remarkably used in the medical, aerospace, and automotive industries owing to its characteristics like lightweight – high strength, and admirable corrosion resistance. Experiments h...
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Article
EEG-based detection of cognitive load using VMD and LightGBM classifier
Cognitive load, which alters neuronal activity, is essential to understanding how the brain reacts to stress. This work aims to classify electroencephalogram (EEG) signals to detect cognitive load by extractin...
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Article
Synthesis, characterization, and dielectric spectroscopy of TiO2 and ZnO nanoparticle-reinforced epoxy composites
Epoxy nanocomposites exhibit remarkable characteristics by synergistically integrating the characteristics of epoxy resin with the unique properties of nanoparticles. This study focuses on the incorporation of...
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Chapter and Conference Paper
Arm Angle Dependence of X-shaped Metamaterial Resonator in the X-band Regime
An angle dependent tunable design of an X-shaped metamaterial resonator (MMR) was theoretically and experimentally investigated in X-band (8–12 GHz). Single X-shaped MMR structures made of copper were simulate...
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Article
Open AccessMachine learning assisted hepta band THz metamaterial absorber for biomedical applications
A hepta-band terahertz metamaterial absorber (MMA) with modified dual T-shaped resonators deposited on polyimide is presented for sensing applications. The proposed polarization sensitive MMA is ultra-thin (0....
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Article
Design of an ultra-thin hepta-band metamaterial absorber for sensing applications
An ultra-thin metamaterial absorber (MMA) comprises of a split-ring-cross (SRC)-shaped resonator coupled with graphene and dielectric layer backed by metallic ground plane is presented theoretically and numeri...
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Chapter and Conference Paper
Deep Networks for Brachial Plexus Nerves Segmentation and Detection Using Ultrasound Images
The Brachial Plexus (BP) nerves extend from the spinal cord, through the cervicoaxillary canal in the neck, over the first rib, and armpit. BP nerves are mainly responsible for the efficient working of our upp...
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Article
Thermoelectric rectification in a graphene-based triangular ballistic rectifier (G-TBR)
A four-terminal ballistic rectifier demonstrating voltage rectification for both electrical (AC/DC) as well as thermal (temperature gradient) inputs is presented. The thermoelectric behavior of the graphene tr...
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Article
An Ultrathin Compact Polarization-Sensitive Triple-band Microwave Metamaterial Absorber
In this study, an ultra-compact metamaterial absorber (MMA) has been proposed for microwave applications comprising two modified square-shaped resonators printed on a dielectric substrate and terminated by a m...
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Chapter and Conference Paper
Control Scheme for Active Power Decoupling in PWM Converter with Increased Power Density
Active power decoupling (APD) technique minimizes twice the supply frequency power ripple on DC side. Consequently, the size of DC-link capacitor will be reduced greatly. So instead of using bulky, less reliab...
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Article
Graphene-based tunable multi-band metamaterial polarization-insensitive absorber for terahertz applications
This paper presents a graphene-based tunable polarization-insensitive metamaterial absorber (MMA) at terahertz (THz) frequencies. The absorber consists of top patterned gold (Au) layer followed by single layer...
