1. Effect of Grain Boundary states Density in Polycrystalline MIS solar cells, V. K. Goyal, D. Kumar and A. K. Sen, Phys. Stat. Sol. (a), 116 (1989) 425
2. Contacts formed to GaAs by Rapid Electron Beam Annealing, D. Kumar, Phys. Stat. Sol. (a), 139(1993) 433
3. Critical current of high quality NbTa thin films and heterostructures, D. Kumar, M.G. Blamire and A. M. Campbell, Physica B, 194(1994) 1855
4. Surface Pinning and Lorentz Force dependence of transport critical current density in NbTa superconducting thin films and heterostructures, D. Kumar, M.G. Blamire, R. A. Doyle, A. M. Campbell and J.E. Evetts, J. App. Phys., 76(4) (1994) 2361
5. Correlation of Pinning properties with Superconducting and Microstructural Parameters in NbTa thin films, D. Kumar, R. A. Doyle, W.S. Seow and A. M. Campbell, Physica C, 231 (1994) 182
6. The elastic regime of vortices in superconducting YBCO and multilayer YBCO/PrBCO films, W.S. Seow, R. A. Doyle, J. Johnson, D. Kumar,  R. Somekh,  D.J.C. Walker and A.M. Campbell, Physica C, 241 (1995) 71
7. Direct correlation between TEM studies and Pinning lengthscales for columnar defects in YBa2Cu3O7-d thin films,  W. S. Seow, R. A. Doyle, Y. Yan, D. Kumar, J. D. Johnson, A. M. Campbell, P. Berghuis, R. E. Somekh, J. E. Evetts, G. Wirth and J. Wiesner, Institute of Physics Conference Series,  148 (1995) 287
8. Ohmic versus rectifying contacts through interfacial dipoles, Al/InxGa1-xAs, C. Marinelli, L. Sorba, B. H. Muller, D. Kumar, D. Orani, S. Rubini, A. Franciosi, S. De Franceschi, M. Lazzarino and F. Beltram, J. Crys. Growth 201/202 (1999) 769
9. Contacts Engineering through interfacial dipoles, Al/InxGa1-xAs, C. Marinelli, L. Sorba, B. H. Muller, D. Kumar, D. Orani, S. Rubini, A. Franciosi, S. De Franceschi, M. Lazzarino and F. Beltram, Vac. Sci Technology.  (2000)
10. Ideal unreactive metal/semiconductor interfaces : The case of Zn/ZnSe(001), S. Rubini, E. Pelucchi, M. lazzarino, D. Kumar and A. Franciosi, C. Berthod, N. Binggeli and A. Baldercschi, Phy. Rev B. Vol. 63, 2053 (2001)
11. Influence of Zn interlayer on Schottky barrier tuning for Au/ZnSe(100) (Submitted)

International Conferences Proceedings

1. Critical current of high quality NbTa thin films and heterostructures, D. Kumar, M.G. Blamire and A,.M. Campbell, Presented at Low Temperature Conference held at Eugene, Oregon (1993) Published as special Proceedings
2. The elastic limit of Vortex Movements in Superconducting thin films, R. A. Doyle, D. Kumar, P. Pullan, A. M. Campbell, Presented at  European Conference on Applied Superconductivity held at Gottingen in Germany, (1993) Published as special Proceedings EUCAS'93 (1993) 689
3. Lorentz Force dependence of Critical Current Density in low and high-Tc superconducting thin films, D. Kumar, M. G. Blamire, P.Pullan, A. M. Campbell and J. E. Evetts, Presented at 7th International Workshop on Critical Currents held at Alpbach in Austria (1994), Published as special Proceedings.
4. Correlation of Pinning properties with the microstructure of YBCO thin films, W. S. Seow, R. A. Doyle, J. Johnson, D. Kumar and A. M. Campbell, Presented at  European Conference on Applied Superconductivity held at Edinburgh in Scotland, (1995) Published as special Proceedings EUCAS'95
5. Effect of Surface Pinning on Critical Current Density in superconducting thin films, D. Kumar, M. G. Blamire, A. M. Campbell, Presented at CMMP conference organised by Institute of Physics at Leeds, U.K. (1994)
6. Meissner's effect in high Tc superconductor YBCO at Radio Frequencies, S. B. Bhattacharaya and D. Kumar, Presented at International Conference held at Kurukshetra (1996) Published as special Proceedings.
7. Alliance based VLSI design, S. Sablok, D. Kumar, A. Vohra and P. J. George, Presented at VLSI Test and Design Workshops held at New Delhi (1998)
8. Au/Zn tunable Schottky barrier to ZnSe, D. Kumar, E. Pelucchi, S. Rubini, M. Lazzarino and A. Franciosi, Presented at INF meeting held at Catania  Italy (1999)