Dr. Parvathi Krishna

Scientist

Research Interest

Thermoelectric materials for energy harvesting.
Design and optimization of high-performance thermoelectric materials.
Charge and phonon transport in functional materials.
Defect engineering and transport property optimization.
Waste heat recovery and sustainable energy technologies.

About

Dr. Parvathi Krishna is a researcher with strong expertise in thermoelectric materials for mid- temperature applications, electrical and thermal transport properties of binary and ternary chalcogenides, spin state driven thermoelectric properties of mohite ternary chalcogenides.

BSc in Physics Department of Physics St. Mary’s Arts and Science College, affiliated to University of Calicut, Kerala, India. (June 2013 – April 2016)

PhD in Physics and Nanotechnology Centre of Excellence in Materials and Advanced Technologies CeMAT), Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Chengalpattu, India. Thesis Title – Investigation on the thermoelectric transport properties of SnS based materials for mid-temperature applications.(December 2020 – September 2025)

MSc in Physics (June 2017 – April 2019) Department of Physics Kongunadu Arts and Science College, affiliated to Bharathiyar University, Coimbatore, India.

Glassy thermal conductivity in halide perovskites: The role of chemical bonding inhomogeneity and lone pair electrons

C. N. Dhivya Mahalakshmi, K. P. Mohamed Jibri, J. Archana, and M. Navaneethan

Applied Physics Letters , 126, 154102, 2025

https://doi.org/10.1063/5.0256025

Superior thermoelectric power factor in BiCuSeO enabled by a ferromagnetic metallic phase and spin entropy effect

Amuthan R., Jibri K. M., Archana J., Navaneethan M, and KrishnaMohan M.

Journal of Physics D: Applied Physics, 58, 125502, 2025

https://doi.org/10.1088/1361-6463/ada4b9

Probing the Charge Carrier Dynamics in Thermoelectric Properties of Quasi 2D Phonon-Glass Electron-Crystal Ruddlesden–Popper Perovskites

Khaja Peer MJ, Mayilsamy S., Mani Navaneethan*., and Jayaram A.

The Journal of Physical Chemistry C, 128, 21761–21766, 2024

https://doi.org/10.1021/acs.jpcc.4c05340

Ambipolar Seebeck Coefficient in MoS2/MoS2–MoO2 Graded Composites by Junction Reciprocation

Rengarajan A., Khaja Peer M. J., Santhana Krishnan H., Suruttaiya Udaiyar P., Jayaram A., and Mani Navaneethan

The Journal of Physical Chemistry Letters, 15, 12060-12067, 2024

https://doi.org/10.1021/acs.jpclett.4c01559

Approaching the low thermal conductivity in layered oxychalcogenide Bi2-xPrxO2Se (0≤ x≤ 0.15) via mass and strain field fluctuatiocn for thermoelectric application

Amuthan, R., Mohamed Jibri KP, M. Navaneethan, Krishna Mohan M and J. Archana.

Surfaces and Interfaces , 52, 104706, 2024

https://doi.org/10.1016/j.surfin.2024.104706

Spin state driven weighted mobility and thermal conductivity properties of electron (Hf) doped strongly correlated Mott insulator LaCoO3 for thermoelectric applications.

KP, Mohamed Jibri, and Simon Sajan John M. Navaneethan

Applied Physics Letters , 125, 34101, 2024

https://doi.org/10.1063/5.0207132

Polarity switching via defect engineering in Cu doped SnSe0. 75S0. 25 solid solution for mid-temperature thermoelectric applications

Athithya, S., KP Mohamed Jibri, S. Harish, K. Hayakawa, Y. Kubota, H. Ikeda, Y. Hayakawa, Y. Inatomi, M. Navaneethan, and J. Archana

Materials research express, 10, 56507, 2023

https://doi.org/10.1088/2053-1591/accf61

"Ni-MOF derived NiO/Ni/r-GO nanocomposite as a novel electrode material for high-performance asymmetric supercapacitor

Gowdhaman, A., S. Arun Kumar, D. Elumalai, C. Balaji, M. Sabarinathan, R. Ramesh, and M. Navaneethan

Journal of Energy Storage, 61, 106769, 2023

https://doi.org/10.1016/j.est.2023.106769

Small polaron hopping conduction mechanism and enhanced thermoelectric power factor in the perovskite LaCoO 3 ceramic

Jibri, KP Mohamed, J. Archana, M. Navaneethan, and S. Harish.

Physical Chemistry Chemical Physics, 25, 12914-12922, 2023

https://doi.org/10.1039/D2CP04949J

Probing an enhanced anisotropy Seebeck coefficient and low thermal conductivity in polycrystalline Al doped SnSe nanostructure

Athithya, S., K. P. Jibri, S. Harish, K. Hayakawa, Y. Kubota, H. Ikeda, Y. Hayakawa, M. Navaneethan, and J. Archana

AIP Advances, 13, 15311, 2023

https://doi.org/10.1063/5.0134959