List of Publications

1. Anuradha, A. Singh, R. K. Seth, P. Kumar, and S. Kumar. Optimizing operational parameters for improved photocatalytic activity of hematite–rGO nanocomposites in methylene blue dye degradation. The European Physical Journal B, 98(1), (2025), 4.https://doi.org/10.1140/epjb/s10051-024-00849-3
2. S. Kumar, P. Bagga, S. Verma, and S. Kumar. Study of transition metal Zr-doped hematite nanoparticles: structural, chemical, optical, magnetic and photocatalytic properties. Research on Chemical Intermediates, 51(1), (2025) 157-182.https://doi.org/10.1007/s11164-024-05449-5
3. H. Singh, S. Kumar, and P. K. Sharma. Investigation of epsilon near zero modes from Drude-Lorentz optical modelling of reflectance spectrum in plasmonic CuS nanostructured films. AIP Conference Proceedings, 2995(1) (2024) 020072. https://doi.org/10.1063/5.0178049.
4. H. Singh, S. Kumar, Thakur Sudesh Kumar Raunija, and P. K. Sharma. Layer hybridized exciton–plasmon resonances for enhanced dispersion modes in CuS: Al nanostructured films. Materials Advances 4 (2023) 4877-4885.
5. H. Singh, I. Arora, V. Natarajan, S. Kumar and P. K. Sharma. Tailoring Surface Morphology for Characteristic Exciton–Plasmon Resonances in Self-Assembled CuS Nanostructured Films. The Journal of Physical Chemistry C 127(24) (2023) 11623-11631.
6. A. Singh and S. Kumar, Surface chemical states analysis and operational parameters dependent photocatalytic activity of mixed-phase TiO2:Ag photocatalysts. Emergent Materials 6(2) (2023) 645-662.
7. H. Singh, Harkawal, S. Kumar, and P. K. Sharma, Tunable exciton-plasmon coupled resonances with Cu2+/Cu+ substitution in self-assembled CuS nanostructured films. Applied Surface Science 612 (2023) 155831.
8. A. Singh and S. Kumar, Structural, chemical, optical and photocatalytic properties of Zr co-doped anatase-rutile mixed phase TiO2:Ag nanoparticles. Journal of Alloys and Compounds, 925 (2022) 166709.
9. S. Kumar, A. Kumar, T. Malhotra, S. Verma, Characterization of structural, optical and photocatalytic properties of silver modified Hematite (α-Fe2O3) nanocatalyst. Journal of Alloys and compounds 904 (2022) 164006.
10. A. Singh and S. Kumar, Effect of Ag doping on phase-change and photocatalytic performance of rutile–anatase mixed-phase titanium dioxide (TiO2) nanoparticles. Applied Physics A-Materials Science & Processing 127(11) (2021) 1-14.
11. A. Singh, and S. Kumar, Study of pure and Ag-doped TiO2 nanoparticles for photocatalytic degradation of methylene blue. IOP Conference Series: Materials Science and Engineering, 1033(1) (2021) 012050.
12. S. Kumar, N. Gupta, S. Thakur and A. Singh, Study of Glass Forming Ability and Structural Rigidity of Zn Modified (GeTe)x(Sb2Te3)100-x Chalcogenide Glassy Alloys. Phase Transitions 93(1) (2020) 183-196.
13. S. Sandhu, S. Kumar, R. Thangaraj, Study of aluminium-modified Ge2Sb2Te5 thin films for the applicability as phase-change storage device material. Phase Transitions 90(10) (2017) 1013-1024.
14. S. Kumar, R. Thangaraj, Thickness-dependent optical and electrical properties of Ge8Sb2Te11 thin films. Phase transitions 90(2) (2017) 189-199.
15. S. Sandhu, D. Singh, S. Kumar, and R. Thangaraj. Phase analysis of aluminium modified GeSbTe bulk prepared from XRD of samples. AIP Conference Proceedings 1728(1) (2016) 020334 1-3.
16. S. Sandhu, D. Singh, S. Kumar, R. Thangaraj, Investigation of Resonant Bonding in Al modified Ge2Sb2Te5 thin films. Chalcogenide letters 12(12) (2015) 705-711, 2015.
17. S. Kumar, D. Singh, S. Sandhu, R. Thangaraj, Characterization of silver photodiffusion in Ge8Sb2Te11 thin films. AIP Conference Proceeding 1665 (2015) 080021 1-3.
18. S. Sandhu, D. Singh, S. Kumar, R. Thangaraj, Effect of aluminium addition on crystallization activation energy of GeSbTe thin films. Journal of Ovonic Research 10(1) (2014) 1-5.
19. D. Singh, S. Kumar, S. Sandhu, R. Thangaraj, Optical properties of (Se80Te20)100-xAg (0? x?4) thin films. AIP Conference Proceeding 1591 (2014) 1435-1436.
20. D. Singh, S. Kumar, R. Thangaraj, Optical properties of polyvinyl alcohol doped (Se80Te20)100–xAgx (0≤x≤4) composites. Phase Transitions 87(2014) 206-222.
21. D. Singh, S. Kumar, R. Thangaraj, Electrical properties of MWCNT-composite (Se80Te20)100-xAgx (0≤x≤4) chalcogenide glasses. Phase Transitions 87(2014) 148-156.
22. D. Singh, S. Kumar, R. Thangaraj “Effect of different substrate on optical properties of Se92Te4Ag4 films. Phase Transitions 87(2014) 19-28.
23. S. Kumar, D. Singh, R. Thangaraj, Optical properties and phase transition in photodoped amorphous Ge-Sb-Te:Ag thin films. Thin solid films 540 (2013) 271-276.
24. S. Kumar,D. Singh, R. Thangaraj,. Electronic structure and optical band gap of silver photo-diffused Ge2Sb2Te5 thin film Applied surface science 273 (2013) 437-443.
25. S. Sandhu, D. Singh, S. Kumar, R. Thangaraj, Estimation of glass transition of Alx(Ge2Sb2Te5)1-x glassy system. Journal of Ovonic Research 9 (2013) 143-146.
26. D. Singh, S. Kumar, K. Anand, R. Thangaraj, Composition dependence of the optical constants of amorphous (Se80Te20)100-xAgx (0≤ x ≤ 4) films. Physica Status Solidi A 210 (2013) 2128-2134.
27. S. Kumar,D. Singh, R. Thangaraj, Structural, Electrical and Optical study of thermally evaporated Ge8Sb2Te11 thin films. Thin solid films 531 (2013) 577-582.
28. D. Singh, S. Kumar, R. Thangaraj, T.S. Sathiaraj, Transient photoconductivity in a-(Se80Te20)100-xAgx(0?x?4) thin ?lms. Progress in Natural Science: Materials International 22 (2012) 386–391.
29. D. Singh, S. Kumar, R. Thangaraj, T.S. Sathiaraj, Influence of thickness on optical properties of a-(Se80Te20)96Ag4 thin films. Physica B 408 (2013) 119–125.
30. K. Anand, D. Singh, S. Kumar, R. Thangaraj, Preparation and Characterization of Eu3+ Doped In2O3 Nanoparticles. AIP Conference Proceeding 1512 (2013) 448-449.
31. D. Singh, S. Kumar, R. Thangaraj, Optical and electrical properties of as-prepared and annealed (Se80Te20)100−xAgx (0 ≤ x ≤ 4) ultra-thin films. Journal of Non-Crystalline Solids 358 (2012) 2826–2834.
32. S. Kumar,D. Singh, S. Sandhu, R. Thangaraj, Structural, electrical and optical properties of thermally evaporated GT, GST and ST thin films. Physica status solidi (a)-applications and materials science 209 (2012) 2014–2019.
33. S. Kumar,D. Singh, S. Sandhu, R. Thangaraj, Chemical states and optical properties of thermally evaporated Ge-Te and Ge-Sb-Te amorphous films. Applied Surface Science 258(2012) 7406-7411.
34. S. Kumar,D. Singh, S. Sandhu, R. Thangaraj, Characterization of phase transition in silver photo-diffused thin Ge2Sb2Te5 films. Vacuum 86 (2012) 1443-1447.
35. S. Kumar,D. Singh, S. Sandhu, R. Thangaraj, Structure and Crystallization Study of Phase Change Thin Ge-Sb-Te Films. AIP Conference Proceeding 1451 (2012) 172-173.
36. S. Kumar, D. Singh and R. Thangaraj, XPS study of thermally evaporated Ge-Sb-Te amorphous thin films. AIP Conference Proceeding 1393 (2011) 141-142.
37. S. Kumar, D. Singh, R. Thangaraj, Structural transformations in silver photodoped Ge-Sb-Te films. Optoelectronics and Advanced Materials-Rapid Communications 5 (2011) 920-923.
38. D. Singh, S. Kumar, S. Kaur, R. Thangaraj, Effect of Ag additive on the photoconductive properties of (Se80Te20)100-xAgx (1< x< 4) thin films. European Physical Journal- Applied Physics 55 (2011) 30301 1-6.
39. S. Kumar, D. Singh, R. Thangaraj, Structural study of silver photodoped Ge-Sb-Te thin films. Chalcogenide Letters 8 (2011) 355-361.
40. D. Singh, S. Kumar, R. Thangaraj, Study of the physical properties with compositional dependence in (Se70Ge30)100-xBix (0<x< 8) glassy semiconductors. Advances in Applied Science Research 2 (2011) 20-29.
41. D. Singh, S. Kumar, R. Thangaraj, Specific heat and related thermodynamic properties of (Se80Te20)100−xAgx (1 <x <4) glasses. European Physical Journal- Applied Physics 53 (2011) 20302-20307.
42. S. Kumar, D. Singh, R. Thangaraj, Structure of Photodiffused Ge-Sb-Te:Ag Amorphous Film. AIP Conference Proceeding 1349 (2011) 711-712.
43. D. Singh, S. Kumar, R. Thangaraj, Experimental and theoretical determination of physical parameters of (Se80Te20)100-xAgx (0<x<4) glassy alloys. Journal of Optoelectronics and Advanced Materials 12 (2010) 1505-1514.
44. D. Singh, S. Kumar, R. Thangaraj, Study of crystallization rate constant of (Se80Te20)100−xAgx chalcogenide glasses. European Physical Journal- Applied Physics 52 (2010) 20303 1-7.
45. D. Singh, S. Kumar, R. Thangaraj, Structural study of (Se80Te20)100-xAgx bulk samples using XRD spectra: Applicability of Piloyan–Borchardt method. Journal of Optoelectronics and Advanced Materials 12 (2010) .
46. D. Singh, S. Kumar, R. Thangaraj, Calorimetric studies of (Se80Te20)100-xAgx bulk samples. Journal of Optoelectronics and Advanced Materials 12 (2010) 1706 –1713.