Devika Jena

Ambipolarity Reduction and Upsurge in ION/IAmb Ratio of Traditional Tunnel FETs: An Extensive Comparative Review

Shwetapadma Panda, Devika Jena, Aruna Tripathy

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Strain-engineered light emitting diodes: a pathway to enhanced radiative efficiency and tunable optoelectronic performance

C. K. Maiti, Sanghamitra Das, Devika Jena, D. Pradhan et autres

Strain engineering is a powerful tool for tuning optical and electronic properties in light-emitting diode (LED) structures. In 3D cylindrical LEDs, strain distribution becomes complex due to non-planar geometries, affecting carrier injection, emission efficiency, and device reliability. Strain engineering has emerged as …

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A Review of Ambipolarity Suppression in Tunnel FETs Using Significant Engineering Techniques

Devika Jena, Aruna Tripathy

The incapability to lower the subthreshold swing (SS) to less than 60 mV/decade is a major obstacle to the scaling down of traditional Metal Oxide Semiconductor Field Effect Transistors (MOSFETs). Because of its low SS (ON/IOFFswitching current ratio, the Tunnel Field Effect …

Harnessing Green Technologies for Energy Efficiency

S Samundeeswari, J. Vandarkuzhali, M. L. Valarmathi, Devika Jena et autres

The pursuit of energy efficiency has become a cornerstone of sustainable development, as societies strive to mitigate the environmental impacts of energy production and consumption. Green technologies—ranging from clean energy systems such as photovoltaic, Aerodynamic, and Hydraulic power to energy-efficient appliances and …

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Optimizing Nutrient Management for Finger Millet (Eleusine coracana) in Lateritic Soils of Odisha: Effects on Growth, Yield and Economics

Rahul Dev Behera, Shiva Sahu, S. Hema Priyadarshini, Sanghamitra Biswal et autres

Finger Millet is a nutritional powerhouse as it contains many essential nutrients including iron, protein, calcium, dietary fibre, and carbohydrates. Since it's a gluten-free cereal, it has received attention for its impressive value in nutrition thus serving as a potential tool in …

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Large Signal Modelling of GaN HEMTs

Devika Jena, Sanghamitra Das, Aruna Tripathy, Taraprasanna Dash

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A Fully-Customized RTL to GDS Design and Verification of Low-Power Cache Memory

E. Mohapatra, Sudeep Kumar Shetty, Sujatha Hiremath, Sanghamitra Das et autres

In this paper, we have reported low-power cache memory with DFT and scan chain techniques utilizing RTL to GDS (Register-Transfer Level to Graphic Design System) implementation in the Cadence Innovus tool using 45 nm technology. In the frontend design, the gate level …

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Mapping Stress/Strain in Nanoscale FinFETs: Implications for Device Design

Taraprasanna Dash, J. Jena, Devika Jena, Κ. V. Subbarao et autres

This paper presents a comprehensive study on the mapping of stress and strain in FinFETs and explores its implications for device performance. The investigation focuses on the characterization of stress and strain distribution in three-dimensional FinFET structures using advanced modeling and simulation …

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Study on Optical Properties of Multiple Quantum Well-Based InGaN/GaN Light Emitting Diode

Devika Jena, Ajit Kumar Sahu, Sanghamitra Das, N. K. Sahoo

The electron-optical properties like I-V characteristics, luminous power, power spectral density (PSD), and full-width half maxima (FWHM) of an InGaN/GaN multiple quantum well-based LED are analyzed using the Silvaco TCAD tool. It is shown that the anode voltage vs. anode current shows …

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High Temperature Performance Analysis of AlGaN/GaN HEMT

Sanghamitra Das, Devika Jena, E. Mohapatra, Taraprasanna Dash et autres

Electronic devices made with wide band gap materials are useful for High-temperature applications. GaN and its alloys have proven to be the best choice for high-power microwave applications due to their superior material properties. The excellent thermal conductivity of GaN-based High Electron …

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Process-induced stress tuning to improve linearity performance in AlGaN/GaN HEMTs with SiNx passivation

Devika Jena, Sanghamitra Das, Choudhury Jayant Praharaj, Aruna Tripathy et autres

Abstract Strain engineering has proven to be a useful technique for enhancing the performance of many modern-day transistors. Stress engineering can also have a non-trivial effect on the performance of GaN HEMTs, which are devices of choice for high-power, high-frequency microwave applications. …

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Effect of nutrient management practices on growth, yield and economics of cotton crop in west central table land zone at Bargarh district of Odisha

Rahul Dev Behera, N. C. Barik, Sudhansu Sekhar Sahu, S. Biswal et autres

A field experiment was conducted at the farmer’s field of Bargarh district of Odisha in kharif, 2023 under the demonstration programme of Krishi Vigyan Kendra, Bargarh to study the “Effect of nutrient management practices on growth, yield and economics of cotton crop …

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