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A Non-Content based Optimized Approach for Image Spam Detection
2022 IEEE Conference on Interdisciplinary Approaches in Technology and Management for Social Innovation (IATMSI)
Year: 2022 | Conference Paper |
Image spam is a form of email spam that gained popularity in the last decade. Spammers have introduced the technique of image spam to bypass the traditional text-based spam filters. In this research, two novel techniques for image spam detection have been proposed and developed that are efficient as well have low computational complexity. The proposed techniques are non-content based. The first te...Show More
The present work reports the application of density functional theory (DFT) and non-equilibrium Green's function (NEGF) formalism based framework to investigate the voltage-dependent spin transport properties for a Z-shaped silicene nanoribbon (SiNR) based spin-field effect transistor (spin-FET). The structural and magnetic properties of transition metal passivated zigzag-SiNR with symmetric and a...Show More
Edge Engineered Graphene Nanoribbons as Nanoscale Interconnect: DFT Analysis
Sonal Agrawal;Anurag Srivastava;Gaurav Kaushal;Ashok Srivastava
Density functional theory (DFT) with non-equilibrium Green's function (NEGF) formalism and HSPICE simulator have been used to analyse the effect of elemental oxygen atom passivation on the structural, electronic and transport properties of Graphene Nanoribbons (GNRs). The analysis of delay, power dissipation, crosstalk effect, stability and frequency analysis has also been performed to understand ...Show More
Electron Transport in Trans-polyacetylene with Heterogeneous Electrodes: A DFT Study
2021 IEEE 21st International Conference on Nanotechnology (NANO)
Year: 2021 | Conference Paper |
The conducting polymers are the highly studied class of functional materials for their applications in the various technological field. Trans-polyacetylene is a conducting polymer having n repetitive units of $(-\mathrm{C}=\mathrm{C}-)_{n}$, indicating inherent conjugation in nature. In the present work, a two-probe model of pristine and defects (hybridization and torsion) induced trans-polyacetyl...Show More
Understanding Electron Transport in oxygen decorated Zigzag Graphene nanoribbons for nanoscale interconnects
2021 IEEE 21st International Conference on Nanotechnology (NANO)
Year: 2021 | Conference Paper |
Density functional theory with non-equilibrium Green's function has been used to extract the current voltage behaviour, fermi velocities and dynamical parameters of Oxygen (O) doped Zigzag Graphene Nano ribbons (GNRs). The Zigzag GNR has been subjected to monovacancy, and decorated with oxygen impurities at three possible sites around the Monovacancy (MV). The transport properties of these structu...Show More
N-Doped Zigzag Graphene Nanoribbons For Nanoscale Interconnects
2020 IEEE 10th International Conference Nanomaterials: Applications & Properties (NAP)
Year: 2020 | Conference Paper |
Cited by: Papers (3)
The density-functional theory-based investigations of Nitrogen (N) doping effect on the electron transport and the dynamical parameter of Zigzag graphene Nanoribbon (ZGNR), has been performed to improvise it suitability as interconnects. Three possibilities of N impurities around a monovacancy have been investigated in terms of stability, electronic, and transport properties of GNR. The Formation-...Show More
Acridinium Based Organic Molecular Single Electron Transistor for High Performance Switching Applications
Kumar Gaurav;Boddepalli SanthiBhushan;Soumya J. Ray;Anurag Srivastava
The conductance and switching behaviour of acene series derivative `Acridinium' based organic molecular single electron transistor have been assessed in the vicinity of Density Functional Theory (DFT) and Non-equilibrium Green's Function (NEGF) formalisms based ab-initio approach. Computationally, acridinium has been obtained by nitrogen substitution of its parent molecule anthracene. Our analysis...Show More
Sensing of CO and NO on Cu-Doped MoS2 Monolayer-Based Single Electron Transistor: A First Principles Study
Archana Sharma;Anu;Mohd. Shahid Khan;Mushahid Husain;Md. Shahzad Khan;Anurag Srivastava
Owing to the large surface area, 2-D materials are being used for sensing gas molecules, which are important for environmental protection and human health. Using first principle calculations, adsorption of CO and NO gas molecules on Cu-substituted monolayer MoS2 is studied in terms of energy, charge transfer, and density of states. Further, the behavior of CO and NO on Cu-substituted monolayer MoS...Show More
Quantum Capacitance Estimations of Pyrrolic-Rich Graphene for Supercapacitor Electrodes
Boddepalli SanthiBhushan;Mohammad Shahzad Khan;Vijay Kumar Bohat;Anurag Srivastava
Despite having remarkable surface area (2630 m2/g for graphene), the graphene-based supercapacitors are still unable to attain the necessary energy density due to poor accessibility of surface area and low quantum capacitance. In this paper, we demonstrate an effective way to improve the quantum capacitance of graphene through plane wave density functional theory calculations. We used pyrrolic-typ...Show More
Implementation and analysis of various background subtraction techniques for IR target detection using different filters
2017 International Conference on Intelligent Computing and Control Systems (ICICCS)
Year: 2017 | Conference Paper |
Cited by: Papers (2)
In this paper, a comparison between different background subtraction techniques is done and the effect of different filters is also studied. We have taken an IR camera captured video, different techniques were implemented and applied on that video to detect the moving objects from it. Then the difference of outcome of various techniques is observed. Median and Morphological filters are applied to ...Show More
High-Performance Single-Electron Transistor Based on Metal–Organic Complex of Thiophene: First Principle Study
Anu;Archana Sharma;Md. Shahzad Khan;Anurag Srivastava;Mushahid Husain;Mohd. Shahid Khan
The ab initio perspective based on density functional theory and nonequilibrium Green's function for the modeling of single electron transistors (SETs) based on thiol-ended thiophene and chromium complex of thiol-ended thiophene and their functioning in the Coulomb blockade regime has been discussed. Both thiol-ended thiophene molecule and its chromium complex have been analyzed for the charge sta...Show More
Aromaticity Influence on Electron Transport of Molecular Single Electron Transistor: DFT Investigation
Boddepalli Santhi Bhushan;Anurag Srivastava;Jyoti Bhadouria;Rinkoo Bhatia;Pankaj Mishra
2016 IEEE International Symposium on Nanoelectronic and Information Systems (iNIS)
Year: 2016 | Conference Paper |
Density Functional Theory (DFT) based firstprinciple calculations have been performed to assess the influence of aromaticity on electron transport and charging energies of organic molecular Single Electron Transistor (SET). The study has been carried out by considering two organic molecules as SET quantum dots, Benzene (an aromatic hydrocarbon) and its non-aromatic derivative HexahydroBenzene. Str...Show More
Ni-CNT as Isopropanol Sensor: Ab-Initio Analysis
2016 IEEE International Symposium on Nanoelectronic and Information Systems (iNIS)
Year: 2016 | Conference Paper |
Cited by: Papers (1)
The sensing ability of Ni-doped SWCNT has been evaluated in presence of isopropanol (IPA) molecule, using density functional theory. The fundamental model for this work has been built on (7, 0) zigzag CNT (Ni-doped) with adsorbed IPA molecule on sidewall of CNT. Charge transfer from nanotube surface to molecule and high adsorption energy made the sensor more conductive after adsorption. Semiconduc...Show More
Transport Phenomenon in Boron–GroupV Linear Atomic Chains Under Tensile Stress for Nanoscale Devices and Interconnects: First Principles Analysis
Boddepalli SanthiBhushan;Anurag Srivastava;Mohammad Shahzad Khan;Ashok Srivastava;Souraya Goumri-Said
Density functional theory and nonequilibrium Green's function-based first principle calculations have been performed for an in-depth analysis of infinitely long boron-groupV (N, P, As, and Sb) linear atomic chains (LACs) under tensile stress. The analysis revealed the presence of dative bond among the atoms of LAC, and loses stability of the structures with applied stress. The boron phosphide (BP)...Show More
First Principle Analysis of (10-Boranylanthracene-9-yl)borane-Based Molecular Single-Electron Transistor for High-Speed Low-Power Electronics
Boddepalli SanthiBhushan;Mohammad Shahzad Khan;Anurag Srivastava;Mohammad Shahid Khan
A molecular single-electron transistor (SET) with (10-Boranylanthracene-9-yl)borane molecule as an island has been analyzed in an effort to model a better acene series SET. The (10-Boranylanthracene-9-yl)borane molecule was obtained through the substitution of dangling hydrogens of middle honeycomb by boron in anthracene. A first principle analysis has been performed to analyze the impact of boron...Show More
CO Adsorption on In-groupV Zig-Zag Nanowires: First Principles Analysis
2015 IEEE International Symposium on Nanoelectronic and Information Systems
Year: 2015 | Conference Paper |
Cited by: Papers (2)
The present work focuses on the first principle analysis of zig-zag nanowires of In-V (N, P, As, Sb) compounds and their possible application for Carbon Monoxide (CO) gas sensing using Density Functional Theory (DFT) based computational approach. Structural analysis revealed the proportional variation of bond lengths and inversely proportional variation of binding energies and bond angles with inc...Show More
NH3 Adsorption on Arsenene: A First Principle Study
2015 IEEE International Symposium on Nanoelectronic and Information Systems
Year: 2015 | Conference Paper |
Cited by: Papers (6)
A detailed discussion has been made for NH3 affinity towards arsenene sheet. First principle calculations suggest that NH3 get adsorbed on pristine arsenene with weak binding. Doping with Germanium and Selenium respectively decreased and increased energy bnad gap. NBO analysis suggest arsenic (As) valance-p orbital have active participations in binding with Ge and Se. Germanium and Selenium doping...Show More
Carbon Nanotube Based NH3 Gas Sensor: Ab-Initio Study
2015 IEEE International Symposium on Nanoelectronic and Information Systems
Year: 2015 | Conference Paper |
Cited by: Papers (3)
The electronic and transport properties of carbon nanotube has been investigated in presence of ammonia gas molecule, using Density Functional Theory (DFT) based ab-initio approach. The model of CNT sensor has been build using zigzag (7, 0) CNT with a NH3 molecule adsorbed on its surface. The presence of NH3 molecule results in increase of CNT band gap. From the analysis of I-V curve, it is observ...Show More
Shape Dependent Structural Stability, Electronic and Optical Properties of CdO Nanowire
2015 IEEE International Symposium on Nanoelectronic and Information Systems
Year: 2015 | Conference Paper |
Cited by: Papers (1)
Structural stability, electronic and optical properties of CdO bulk and different shaped nanowires have been investigated through spin polarized generalized gradient approximation (SGGA) and spin polarized Meta generalized gradient approximation (SMGGA) based density functional theory approach. Structure stability identified in terms of total energy minimization, binding energy and bond length. Am...Show More
Electronic and transport properties of BN sheet on adsorption of amine (NH2) group
Chetan Bhat;Ranjeet BrajPuriya;Pankaj Mishra;Sumit Kunar Jain;Anurag Srivastava
2014 9th International Conference on Industrial and Information Systems (ICIIS)
Year: 2014 | Conference Paper |
In this paper, interactions of amine group (NH2) with pristine Boron Nitride sheet (BN sheet) has been investigated using a density functional theory based ab-initio approach. Stability and electronic properties have been analysed at distinct positions of NH2 on 2-D Boron Nitrite sheet. It has been observed that on placing the NH2 group at the centre of the hexagon of the BN sheet, it becomes meta...Show More
An Indoor Optical Wireless System Dedicated to Healthcare Using QPSK Modulation
2013 5th International Conference and Computational Intelligence and Communication Networks
Year: 2013 | Conference Paper |
Cited by: Papers (1)
In this paper, Indoor optical wireless infrared (IR) technology has been investigated for wireless health care monitoring of patient in the hospital environments. Monitoring provides the continuous measurement of vital sign to secure the patient in hospital. For the purpose of movement of patient we concentrate on most simplest mobile IR type i.e. LOS (line of sight) propagation method with an QPS...Show More
Performance evaluation of Junctionless Vertical Double Gate MOSFET
Jagdeep Rahul;Anurag Srivastava;Shekhar Yadav;Kamal Kishor Jha
2012 International Conference on Devices, Circuits and Systems (ICDCS)
Year: 2012 | Conference Paper |
Cited by: Papers (2)
In this paper, we present a comparative analysis of Junctionless Vertical Double Gate MOSFET (JLVMOS) with conventional Junction Vertical Double Gate MOSFET (JVMOS) by using TCAD Tool simulations. In our observations drain induced barrier lowering (DIBL), Subthreshold Swing (S. Swing) and leakage current (IOFF) are found to be reduced than those of its respective junction VMOS counterparts, hence ...Show More
TCAD assessment of nonconventional Dual Insulator Double Gate MOSFET
Shekhar Yadav;Anurag Srivastava;Jagdeep Rahul;Kamal Kishor Jha
2012 International Conference on Devices, Circuits and Systems (ICDCS)
Year: 2012 | Conference Paper |
Cited by: Papers (3)
In the present work we have introduced generic new type of Double Gate Metal Oxide Semiconductor Field Effect Transistor (DG MOSFET), with Dual Insulator (DI) architecture. The gate insulator of the Dual Insulator Double Gate (DIDG) MOSFET consists of two laterally placed insulator materials with different dielectric constants. This novel gate insulator structure takes advantage of difference of d...Show More
Structural phase transition and electronic properties of AlSb nanocrystal
International Conference on Nanoscience, Engineering and Technology (ICONSET 2011)
Year: 2011 | Conference Paper |
Cited by: Papers (1)
Density functional theory (DFT) based ab-initio approach has been used to investigate the structural stability of ~1 nm sized AlSb nanocrystal in its zinc blende (B3), rocksalt (Bl) and CsCI (B2) type phases under high compression. The self consistent total energy calculations have been performed for analyzing the stability of the material and found that B3 type phase is most stable amongst the ot...Show More
Design and estimation of drive current of scaled devices by selection of suitable metal gate with ZrO2 dielectric in nm regime
Kamal Kishore Jha;Anurag Srivastava;Manisha Pattanaik;Pradip Swarnkar
International Conference on Nanoscience, Engineering and Technology (ICONSET 2011)
Year: 2011 | Conference Paper |
CMOS technology has witnessed aggressive scaling over the last couple of decades. This has resulted in better performance, higher integration density and increased on- chip functionality. Besides this threshold voltage scaled down, oxides drastically thinned and MOS transistor channels have been meeting to the high performance criteria. However, all these have resulted in an increase in transistor...Show More
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