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  1. Defect and heterometallic engineering in TiN–ZrN–HfN monolayers: A first-principles study on structural stability, electronic tunability, and optical anisotropy

    Article • Journal of Physics and Chemistry of Solids, June 2026, Elsevier

    Prof. Ashish Tiwari

  2. Metal-to-semiconductor transition and application-driven optical response of TMN armchair nanoribbons

    Article • Physica E Low-dimensional Systems and Nanostructures, April 2026, Elsevier

    Prof. Ashish Tiwari

  3. Erbium doping-induced quantum and optical enhancements in CdS: A first-principles study for optoelectronic applications

    Article • Journal of Physics and Chemistry of Solids, January 2026, Elsevier

    Prof. Ashish Tiwari

  4. Pongamia pinnata-mediated green synthesis of Er-doped CdS thin films: enhanced photocatalysis and high-efficiency optoelectronics

    Article • Journal of Materials Science Materials in Electronics, November 2025, Springer Science + Business Media

    Prof. Ashish Tiwari

  5. Electronic and Magnetic Properties of Armchair and Zigzag Nanoribbons of Transition Metal Nitrides: A DFT Study

    Article • Journal of Superconductivity and Novel Magnetism, July 2025, Springer Science + Business Media

    Prof. Ashish Tiwari

  6. A DFT Study on Armchair Nanoribbon Structures of TiN, ZrN, and HfN

    Article • Journal of Electronic Materials, February 2024, Springer Science + Business Media

    Prof. Ashish Tiwari

  7. A DFT study on transformation of TiN's atomic chain structure into atomic chain structures of HfN and ZrN

    Article • Materials Chemistry and Physics, January 2023, Elsevier

    Prof. Ashish Tiwari

  8. Optical property analysis of transition and alkaline metal doped MoS2 bulk layers for photo-sensor applications

    Article • Materials Today Proceedings, January 2022, Elsevier

    Prof. Ashish Tiwari

  9. Structural and Electronic Property Analysis of Transition and Alkaline Metal Doped MoS2 Bulk Layers for Photo-Sensor Applications

    Article • December 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Ashish Tiwari

  10. Theoretical investigation on structural transformation of TiN to HfN monolayer: A first principles study

    Article • Chemical Physics Letters, October 2021, Elsevier

    Prof. Ashish Tiwari

  11. First-Principles Study on the Structural, Electronic, Optical, Mechanical, and Adsorption Properties of Cubical Transition Metal Nitrides MN (M = Ti, Zr and Hf)

    Article • Journal of Electronic Materials, March 2021, Springer Science + Business Media

    Prof. Ashish Tiwari

  12. Mathematical Modeling of Non-Linearity due to Charge Injection Effect in CMOS Imagers

    Article • February 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Ashish Tiwari

  13. Mathematical modelling of charge injection effect for CMOS image sensor and CDS circuit

    Article • IET Circuits Devices & Systems, August 2020, the Institution of Engineering and Technology (the IET)

    Prof. Ashish Tiwari

  14. Clocking scheme, Reset Noise Analysis and Reduction Technique for CMOS Image Sensors utilized in Subretinal Implant

    Article • March 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Ashish Tiwari

  15. Design and Analysis of Low-Power PLL for Digital Applications

    Article • November 2018, Springer Science + Business Media

    Prof. Ashish Tiwari

  16. Progressive Development of Electrode Design Techniques and Experience with CMOS image Sensor

    Article • IETE Journal of Research, January 2018, Taylor & Francis

    Prof. Ashish Tiwari

  17. Implementation of a novel 2-stage DFT structure for CMOS pixel sensors utilizing on-chip CP-PLL clock (for retinal implant system)

    Article • August 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Ashish Tiwari

  18. An innovative approach of computational fault detection using design for testability of CP-PLL

    Article • November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Ashish Tiwari