Ashutosh Kumar - Publications

Cover Image in Journal of Materiomics

Manuscripts In Preparation/Submitted

R. Kumar, D. Sivaprahasham, and A. Kumar*, Energy conversion efficiency in segmented thermoelectric unicouple device
A. Kumar* et al., Synergistic effect of high-configurational entropy and hole-doping on thermoelectric properties of high entropy oxides.
A. Kumar*, S Ghosal, A. Moll, D. Dragoe, S. K. Pati, D. Berardan, and N. Dragoe, Competing role of enthalpy and configurational entropy on thermodynamic phase stability of high entropy rock-salt oxides.
R. Priyadharshini, S. Kavita, A. Kumar, D. Sivaprahasam, Magnetocaloric Properties of Sb, Ge, and Ga doped AlFe2B2. (Submitted)
A. Pramanick, C. Babori, F. Albertini, F. H. Gjørup, A. Kumar, M. Ry V. Jørgensen, L. Daniel, Tuning functional properties of 3-D printed ferroelectric ceramics using different architectures (Submitted)

Manuscript Published/Accepted

2025

29. A. Pramanick, C. Babori, F. Albertini, F. H. Gjørup, A. B. Oudot, A. Kumar, M. Ry V. Jørgensen, L. Daniel, Nonlinearity and domain switching in a 3D printed architected ferroelectric, Advanced Engineering Materials 27(10), 2402104 (2025). (Impact Factor: 3.4) https://doi.org/10.1002/adem.202402104

28. D. Sivaprahasam, R. Preyadarshini, A. Kumar, Dopant-induced structural modifications and thermoelectric properties in Al1.2Fe1.9M0.1B₂ intermetallic borides (M = Ag, Ni, Sb, Ga, Ge), Applied Physics A 131, 318(1-11) (2025), Impact Factor: 2.5, https://doi.org/10.1007/s00339-025-08440-y

2024

27. D. Sivaprahasam, R. Preyadarshini, A. Kumar, Structural and Thermoelectric Properties of Al1+xFe2−yMyB2 (M=Ag, Ni, Sb, Ga, and Ge) Intermetallic Borides, https://doi.org/10.48550/arXiv.2410.12314

26. B. Jarwal, S. Abbas, T-L Chou, S. M. Vailyaveettil, A. Kumar, S. Quadir, T-T. Ho, D. P. Wong, L. C. Chen*, and Kuei-Hsien Chen, Boosting Thermoelectric Performance in Nanocrystalline Ternary Skutterudite Thin Films through Metallic CoTe2 Integration, ACS Applied Materials & Interfaces 16(12) (2024) 14770-14780. (Impact Factor: 8.3) https://doi.org/10.1021/acsami.3c17695

25. A. Kumar, A Moll*, M. N. Mouhamadsiradjoudine, F. Brisset, D. Berardan, N. Dragoe*, Thermoelectric properties of high-entropy wolframite oxide: (CoCuNiFeZn)1-xGaxWO4. Physica Status Solidi (RRL) - Rapid Research Letters 18(3) (2024) 2300372 (Impact Factor: 3.22) https://doi.org/10.1002/pssr.202300372

2023

24. A. Kumar, D. Bérardan, F. Brisset, D. Dragoe, N. Dragoe*, Novel entropy-stabilized fluorite oxides with multifunctional properties. Journal of Materials Chemistry A 11 (2023) 14320-14332. (Impact Factor: 14.51) https://doi.org/10.1039/D3TA02124F

23. A. Kumar*, P. Bhumla, D. Sivaprahasam, S. Bhattacharya*, N. Dragoe*, Effect of crystal field engineering and Fermi level optimization on thermoelectric properties of Ge1.01Te: Experimental investigation and theoretical insight Physical Review Materials 7 (2023) 045402 (Impact Factor: 3.98) https://doi.org/10.1103/PhysRevMaterials.7.045402

22. A. Kumar, D. Bérardan, D. Dragoe, E. Riviere, T. Takayama, H. Takagi, N. Dragoe*, Magnetic and electrical properties of high-entropy rare-earth manganites, Materials Today Physics 32 (2023) 101026 (Impact Factor: 11.02) https://doi.org/10.1016/j.mtphys.2023.101026

21. A. Kumar, D. Dragoe, D. Bérardan, N. Dragoe*, Thermoelectric properties of high-entropy rare-earth cobaltates, Journal of Materiomics 9 (2023) 191-196. (Impact Factor: 9.4) https://doi.org/10.1016/j.jmat.2022.08.001 (Selected for Cover Image in JOM)

2022

20. D. Sivaprahasam*, A. Kumar, B. Jayachandran, S. B. Chandrasekar, R. Gopalan, Thermoelectric properties of Sb doped AlFe2B2, https://doi.org/10.48550/arXiv.2212.01193

19. A. Kumar, P. Bhumla, A. Kosonowski, K. Wolski, S. Zapotoczny, S. Bhattacharya*, K. T. Wojciechowski*, Simultaneous effect of workfunction and acoustic impedance mismatch to realize improved thermoelectric performance in GeTe/WC composite, ACS Applied Materials & Interfaces 14(39), (2022) 44527-44538 (Impact Factor: 10.38) https://doi.org/10.1021/acsami.2c11369

18. A. Kumar*, Electrical and thermal transport studies of Sr and Mn co-substituted NdCoO3, doi.org/10.48550/arXiv.2107.10564

17. A. Kumar*, K. T. Wojciechowski, Effect of interface thermal resistance on thermoelectric properties of acoustically mismatched composite, Journal of the European Ceramic Society 42(10), (2022) 4227-4232 (Impact Factor: 6.36) doi.org/10.1016/j.jeurceramsoc.2022.03.062

16. A. Kosonowski, A. Kumar, K. Wolski, S. Zapotoczny, K. T. Wojciechowski*, Origin of electrical contact resistance and its dominating effect on electrical conductivity in PbTe/CoSb3 composite Journal of the European Ceramic Society 42(10), (2022) 2844-2852 (Impact Factor: 6.36) doi.org/10.1016/j.jeurceramsoc.2022.01.049

2021

15. A. Kumar*, D. Sivaprahasam, A. D. Thakur*, "Improved thermoelectric properties in (1-x)LaCoO3/(x)La0.7Sr0.3CoO3 composite, Materials Chemistry Physics 269 (2021) 124750 (Impact Factor: 4.6) doi.org/10.1016/j.matchemphys.2021.124750

14. A. Kumar*, P. Bhumla, T. Parashchuk, S. Baran, S. Bhattacharya*, K. T. Wojciechowski*, Engineering electronic structure and lattice dynamics to achieve enhanced thermoelectric performance of Mn-Sb co-doped GeTe. Chemistry of Materials 33(10), (2021) 3611–3620 (Impact Factor: 10.5) doi.org/10.1021/acs.chemmater.1c00331

13. K. Kumari, A. Kumar, A. D. Thakur, S. J. Ray*, Charge transport and resistive switching in a 2D hybrid interface, Materials Research Bulletin 139 (2021) 111195 (Impact Factor: 5.4) doi.org/10.1016/j.materresbull.2020.111195

12. A. Kosonowski, A. Kumar, T. Parashchuk, R. Cardoso-Gil, K. T. Wojciechowski*, Thermal conductivity of PbTe-CoSb3 bulk polycrystalline composite: the role of microstructure and interface thermal resistance, Dalton Transactions 50 (2021) 1261-1273 (Impact Factor: 4.56) https://doi.org/10.1039/D0DT03752D

11. A. Kumar*, D. Sivaprahasam, A. D. Thakur*, Colossal Seebeck coefficient in Aurivillius Phase-Perovskite Oxide Composite Journal of Alloys and Compounds 853 (2021) 157001 (Impact Factor: 6.2) doi.org/10.1016/j.jallcom.2020.157001

10. A. Kumar*, A. Kosonowski, P. Wyzga, K. T. Wojciechowski, Effective thermal conductivity of SrBi4Ti4O15-La0.7Sr0.3MnO3 oxide composite: Role of particle size and interface thermal resistance Journal of the European Ceramic Society 41 (1), (2021) 451-458 (Impact Factor: 5.7) doi.org/10.1016/j.jeurceramsoc.2020.08.069

2020

9. A. Kumar*, K Kumari, S. J. Ray, A. D. Thakur, Graphene mediated resistive switching and thermoelectric behavior in lanthanum cobaltate, Journal of Applied Physics 127, 235103 (2020) (Impact Factor: 2.328) doi.org/10.1063/5.0009666

8. A. Kumar*, Ravi Kumar, Dillip K Satapathy*, Bi2Se3-PVDF polymer composite: A flexible thermoelectric system Physica B: Condensed Matter 593 (2020) 412275 (Impact Factor: 2.8) doi.org/10.1016/j.physb.2020.412275

7. K Kumari, A. Kumar, D K Kotnees, J Balakrishnan, A D Thakur, S J Ray*, "Structural and resistive switching behaviour in lanthanum strontium manganite -reduced graphene oxide nanocomposite system" Journal of Alloys and Compounds 815 (2020) 152213. (Impact Factor: 6.2) https://doi.org/10.1016/j.jallcom.2019.152213

2019

6. A. Kumar*, M Battabyal, A Chauhan, G Suresh, R Gopalan, N V Ravikumar, D K Satapathy, "Charge transport mechanism and thermoelectric behavior in Te:(PEDOT:PSS) composite" Materials Research Express 6 (2019) 115302 (Impact Factor:2.3) https://doi.org/10.1088/2053-1591/ab43a7

5. D. Sivaprahasam*, S. B. Chandrasekar, S. Kashyap, A. Kumar, R. Gopalan, "Thermal conductivity of nanostructured Fe0.04Co0.96Sb3 skutterudite, Materials Letters 252 (2019) 231-234 (Impact Factor: 3.01) https://doi.org/10.1016/j.matlet.2019.05.140

4. A. Kumar*, K. Kumari, B. Jayachandran, D. Sivaprahasam and A. D. Thakur*, “Thermoelectric Properties of (1-x)LaCoO3.(x)La0.95Sr0.05CoO3 composite” Materials Research Express 6 (2019) 055502 (Impact Factor:2.3) doi.org/10.1088/2053-1591/aade73

2018

3. A. Kumar, C. V. Tomy and A. D. Thakur, “Magnetothermopower, magnetoresistance and magnetothermal conductivity in La0.95Sr0.05Co1-xMnxO3 (0.00≤x≤1.00)” Materials Research Express 5 (2018) 086110. (Impact Factor:2.3) doi.org/10.1088/2053-1591/aad44c

2. A. Kumar, K. Kumari, B. Jayachandran, D. Sivaprahasam and A. D. Thakur, “Thermoelectric Properties of (1-x)LaCoO3.(x)La0.7Sr0.3MnO3 composite”, Journal of Alloys and Compounds 749 (2018) 1092-1097. (Impact Factor: 6.2) https://doi.org/10.1016/j.jallcom.2018.03.347

1. A. Kumar, D. Sivaprahasam and A. D. Thakur, “Improvement of thermoelectric properties of lanthanum cobaltate by Sr and Mn co-subsitution”, Journal of Alloys and Compounds 735 (2018) 1787-1791 (Impact Factor: 6.2) doi.org/10.1016/j.jallcom.2017.11.334

Conference Publications:

A. Kumar, K Kumari, C V Tomy, A D Thakur, Magnetic and Thermoelectric Properties of α-MnO2 Nanorods AIP Conf. Proc. 2220 (1) (2020) 080008. doi.org/10.1063/5.0001333
A. Kumar, K Kumari, D. Sivaprahasam, A D Thakur, Thermoelectric Properties in Spark Plasma Sintered La0.7Sr0.3Mn0.5Co0.5O3 AIP Conf. Proc. 2220 (1), (2020) 120001. doi.org/10.1063/5.0001334
K Kumari, A. Kumar, A. D. Thakur and S. J. Ray, Effect of Temperature and Magnetic Field in Resistive Switching Behavior of La0.7Ca0.3MnO3 .rGO Nano-composite AIP Conf. Proc. 2220 (1), (2020) 080007. doi.org/10.1063/5.0001331
A. Kumar , A D Thakur, "SrBi4Ti4O15 Aurivillius phase thin films by pulsed laser deposition using Nd:YAG laser" AIP Conf. Proc. 1953 (2018) 100010. doi.org/10.1063/1.5032946
A. Kumar, H Sharma, C V Tomy, A D Thakur, "Magnetism in La0.7Sr0.3Mn1-xCoxO3 (0 ≤ x ≤ 1)" AIP Conf. Proc. 1731 (2016) 130045. doi.org/10.1063/1.4948151
A. Kumar, H Sharma, C V Tomy, A D Thakur, "Extreme sensitivity of magnetic properties on the synthesis routes in La0.7Sr0.3MnO3" AIP Conf. Proc. 1728 (2016) 020494. doi.org/10.1063/1.4946545