​​​

2025

• Defect assisted ultra High zT of TaFeSb based Half-Heuslers

        Ankit Kumar, S. S. Vishak, Prasenjit Ghosh, and Surjeet Singh*       

       (Submitted)​

 18. Entropy-stabilized half-Heusler alloys (TiHf)1/2(FeCoNi)1/3Sb with ultralow lattice thermal conductivity 

       Ankit Kumar, S. S. Vishak, Anustoop Das, Kanishka Viswas, Prasenjit Ghosh, and Surjeet Singh*
       Chem. Mater. 2025

       doi.org/10.1021/acs.chemmater.4c02094

 17. Elucidating the role of hierarchical bonding, electronegativity and chemical pressure on thermoelectric properties of           double Half Heuslers 

       Ankit Kumar, and Prasenjit Ghosh*
       ACS App. Energy Mat.

       doi.org/10.1021/acsaem.4c02465

​

2024

 16. Simplified approach to estimate Lorenz number using experimental Seebeck coefficient for non-parabolic band

       Ankit Kumar*

       AIP Advances 14, 105216 (2024)

       doi.org/10.1063/5.0229780

 15. Probing Electron-Phonon Coupling in Honeycomb Antiferromagnet NiPS3: A Non-Magnetic Site-Dilution

       Nashra Pistawala$, Ankit Kumar$, Devesh Negi, Dibyata Rout, Luminita Harnagea, Surajit Saha, and Surjeet 

       Singh*

       $ : Equal Contributor
       2D Materials

        DOI: 10.1088/2053-1583/ad2f44 

​

2023​

 14. Band degeneracy, resonant level formation and low thermal conductivity in dilute In and Ga co-doped thermoelectric         compound SnTe

        Gaurav Jamwal, Ankit Kumar, Mohd Warish, Shruti Chakravarty, Saravanan Muthiah, Asokan Kandasami, A. Niazi

       (https://arxiv.org/pdf/2305.02046)

 13. Single crystal growth and properties of 2D antiferromagnet Ni1-xZnxPS3

       Nashra Pistawala, Ankit Kumar, Dibyata Rout, Luminita Harnagea, and Surjeet Singh*
       New Phys.: Sae Mulli 2023; 73: 1140-1144 (Conference Proceeding)

        DOI: https://doi.org/10.3938/NPSM.73.1140

 12. Grain boundary engineering in metavalent SnTe: A simplified approach 

        Navita Jakhar, Dinesh Kumar Kedia, Ankit Kumar, and Surjeet Singh*                                                                                           Appl. Phys. Lett. 123, 173901 (2023)​​​​

        doi.org/10.1063/5.0174274​​

 11. Enhanced thermoelectric figure of merit in defective half-Heusler ‘Nb0.83CoSb’

       Kumar Saurabh, Vineet Pandey, Ankit Kumar, Prasenjit Ghosh, and Surjeet Singh

       Mat. Today Phys. Volume 38, November 2023, 101236

       doi.org/10.1016/j.mtphys.2023.101236

 10. Band engineering and synergistic modulation doping for excellent thermoelectric performance in composite 

       Ti1-xNbxCoSb - Nb0.8CoSb  composite    

        Ankit Kumar, Dinesh Kumar Kedia, Prasenjit Ghosh, and Surjeet Singh* 

        ACS App. Energy Mat. 06, 20, 10694 (2023)

       doi.org/10.1021/acsaem.3c01888

 9. Reproducible high zT in Ag2Se

      Navita Jakhar, Dinesh Kumar Kedia, Ankit Kumar, Kumar Saurabh, and Surjeet Singh*

       Appl. Phys. Lett. 122, 163901 (2023).

      DOI: 10.1063/5.0143678

 8. Structural, electronic and thermoelectric properties of SnTe with dilute co-doping of Ag and Cu

      Gaurav Jamwal, Ankit Kumar, Mohd Warish, Shruti Chakravarty, Saravanan Muthiah, Asokan Kandasami, A. Niazi

      Journal of Alloys and Compounds 954, 170182 (2023)

      DOI: 10.1016/j.jallcom.2023.170182

​​

2022

 7. Enhancement in the thermoelectric figure of merit of ZrNiSi by doping

      Kumar Saurabh, Ankit Kumar, Prasenjit Ghosh, and Surjeet Singh

     Phys. Rev. Materials 6, 065401 – Published 3 June 2022.

      DOI: 10.1103/PhysRevMaterials.6.065401

​     

 2021

 6. Low thermal conductivity and semimetallic behavior in some TiNiSi structure-type compounds

     Kumar Saurabh, Ankit Kumar, Prasenjit Ghosh, and Surjeet Singh 

     Phys. Rev. Materials 5, 085406 – Published 23 August 2021.                                             

     DOI: 10.1103/PhysRevMaterials.5.085406

 5. Engineering crystal structure and spin-phonon coupling in Ba1-xSrxMnO3 

     Bommareddy Poojitha, Ankit Kumar, Anjali Rathore, Devesh Negi, and Surajit Saha,

     Journal of Magnetism and Magnetic Materials 541, 168539 (2021).         

     DOI: https://doi.org/10.1016/j.jmmm.2021.168539

​

 2020

 4. Electron–phonon coupling in APd3O4: A= Ca, Sr, and Sr0.85Li0.15

     Bommareddy Poojitha, B. H. Reddy, Aprajita Joshi, Ankit Kumar, Asif Ali, R. S. Singh, and Surajit Saha 

     Journal of Physics: Condensed Matter 33, 105601 (2020).
     DOI: https://doi.org/10.1088/1361-648X/abcf60

 3. Structural and magnetic properties of transition metal doped BaTiO3 

     Ankit Kumar, Bommareddy Poojitha, Anjali Rathore, and Surajit Saha 

     AIP Conference Proceedings 2265, 030567 (2020).
     DOI: https://doi.org/10.1063/5.0016737

 2. Signatures of magnetostriction and spin-phonon coupling in magnetoelectric hexagonal 15R-BaMnO3

     Bommareddy Poojitha, Anjali Rathore, Ankit Kumar, and Surajit Saha,

     Phys. Rev. B 102, 134436 (2020). 
     DOI: https://doi.org/10.1103/PhysRevB.102.134436

​ 1. Correlations between the structural, magnetic, and ferroelectric properties of BaMO3: M = Ti1-x(Mn/Fe)x

     compounds:A Raman study 

     Bommareddy Poojitha, Ankit Kumar, Anjali Rathore, and Surajit Saha 

     Journal of Alloys and Compounds 846, 156362 (2020).                                                                                                                          DOI: https://doi.org/10.1016/j.jallcom.2020.156362

​