Akhilesh Kumar

ORCID: 0000-0003-3649-771X
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About
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Research Areas
  • Chalcogenide Semiconductor Thin Films
  • Quantum Dots Synthesis And Properties
  • Welding Techniques and Residual Stresses
  • Gas Sensing Nanomaterials and Sensors
  • Ferroelectric and Piezoelectric Materials
  • Dielectric properties of ceramics
  • Nanoparticles: synthesis and applications
  • Non-Destructive Testing Techniques
  • TiO2 Photocatalysis and Solar Cells
  • Multilevel Inverters and Converters
  • Additive Manufacturing and 3D Printing Technologies
  • Advanced DC-DC Converters
  • Advancements in Battery Materials
  • Advanced Welding Techniques Analysis
  • Pigment Synthesis and Properties
  • Manufacturing Process and Optimization
  • Metal and Thin Film Mechanics
  • Integrated Circuits and Semiconductor Failure Analysis
  • Acoustic Wave Resonator Technologies
  • 3D IC and TSV technologies
  • Microgrid Control and Optimization
  • Advanced Numerical Methods in Computational Mathematics
  • Skin Protection and Aging
  • Polydiacetylene-based materials and applications
  • Hydrogen embrittlement and corrosion behaviors in metals

Ansys (United States)
2024-2025

Patna University
2024

Dr. Hari Singh Gour University
2023

Thapar Institute of Engineering & Technology
2017-2023

Nanoparticles of cadmium oxide have been synthesized by soft chemical route using thioglycerol as the capping agent. The crystallite size is determined X-ray diffraction technique and particle obtained transmission electron microscope. band gap material Tauc relation to UV–visible absorption spectrum. photoluminescence emission spectra sample are measured at various excitation wavelengths. molecular components in analyzed FT-IR spectroscopy. dielectric dispersion investigated temperature...

10.1007/s13204-015-0427-5 article EN cc-by Applied Nanoscience 2015-03-16

In this work, the effect of bi-substitution Zn and Ce at Cu Ti sites on microstructure dielectric properties CaCu3Ti4O12 ceramics was investigated. The doped CaCu3-xZnxTi4-xCexO12 (CCZTC-x) powders (where x = 0.1, 0.2 0.3) were successfully synthesized via semi-wet route corresponding obtained by sintering 950 ?C for 14 h in air. presence major cubic phase along with minor secondary CuO observed X-ray diffraction analysis. Scanning electron microscopy analyses confirmed consisting...

10.2298/pac2401117k article EN cc-by Processing and Application of Ceramics 2024-01-01

II‐VI semiconductor nanoparticles have recently attracted a lot of attention due to the possibility their application in various devices. In present paper, ZnO are prepared by soft chemical method and thioglycerol was used as capping agent, which controls agglomeration particle size. XRD SEM technique for characterization. For study dielectric properties, complex permittivity (ε′ ε″) loss tangent (tan δ) with frequency is analyzed range 50 Hz–1 MHz temperature 293 K–383 K. The...

10.1063/1.3183442 article EN AIP conference proceedings 2009-01-01

Tungsten Inert Gas (TIG) welding is the mostly used fabrication technique for joining stainless steel pipe in industry. By this process limited Depth of Penetration (DOP) can be achieved a single pass. To overcome problem, current, speed and flow rate needs to significantly changed it will effect productivity. Therefore Activated TIG (A-TIG) explored present study. The hybrid mixture evaluated terms DOP on AISI 304 by an automatic orbital setup. Hence mathematical modelling being done...

10.17485/ijst/2017/v10i31/113892 article EN Indian Journal of Science and Technology 2017-09-16

10.1166/asl.2014.5460 article EN Advanced Science Letters 2014-05-01

Zinc selenide nanoparticle has been synthesized using soft chemical routes. The particles were capped 2-mercaptoethanol to achieve the stability and avoid coalescence. as-obtained characterized by X-ray diffraction (XRD), Transmission electron microscopy (TEM), UV–VIS absorption photoluminescence (PL) spectra. impedance studies carried out as a function of frequency (100 Hz–1 MHz) temperature (298–373 K) spectroscopy. An analysis complex (z' z") with is performed assuming distribution...

10.4028/www.scientific.net/amr.699.490 article EN Advanced materials research 2013-05-01

Abstract There are two distinct categories of sources for generating electrical power: conventional and non-conventional. At now, traditional such as coal, gas, nuclear power widely employed the purpose electricity generation; nevertheless, they associated with detrimental environmental consequences. Therefore, it is crucial to utilize renewable energy like sun wind provide some necessary power. The driving force behind this transition imperative clean energy, mitigation greenhouse gas...

10.1088/1757-899x/1295/1/012016 article EN IOP Conference Series Materials Science and Engineering 2023-12-01
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