Edited 5 books, more than 90 refereed publications, approx. 50 conference presentations and 20 invited talks

Scholarly Books

(1)   Ashok Kumar, Yip-Wah Chung, and Ray W. J. Chia Hard Coatings Based on Borides, Carbides and Nitrides: Synthesis, Characterization and Applications,  TMS  (1998)

(2)   Ashok Kumar, Yip-Wah Chung, John Moore, and John Smugeresky, TMS, (1999), Surface Engineering: Science and Technology I, TMS (1999)

(3)   Wen Jin Meng, Ashok Kumar, Gary L. Doll, Yang-Tse Cheng, Stan Veprek, and Yip-Wah Chung, Surface Engineering 2001- Fundamentals and Applications, MRS Symposium Proceedings, Volume 697 (2001)

(4)   Ashok Kumar, Yip-Wah Chung, John Moore, D. S. Misra, and K. Yatsui, “Surface Engineering: Science and Technology I, TMS (2002)

(5)    Ashok Kumar, Wen Jin Meng, Yang-Tse Cheng, J. Zabinski, Gary L. Doll, and Stan Veprek (Editors), “ Surface Engineering 2002 – Synthesis, Characterization and Applications, Volume 750 (2002)

Book Chapters

(1) J. S. Kapat and Ashok Kumar “Chemical Vapor Deposition of Intermetallic and Ceramic Coatings” pp. 441-484, Edited by N. B. Dahotre and T. S. Sudarshan, Marcel Decker Inc., New York (1999)

(2) Arun K. Sikder and Ashok Kumar, “Superhard Coatings in C-B-N System: Growth and Characterization”, Vol. 2, Chap. 3, pp. 115-190, Handbook of Thin Films Materials, Edited by Prof. H. S. Nalwa, Academic Press (2001)

Selected Publications

1. Ashok Kumar, L. Ganapathi and J.Narayan "In-situ processing of textured superconducting thin films of Bi-(Pb)-Ca-Sr-Cu-O_x by excimer laser ablation" Appl. Phys. Lett. 56, 2034-2036 (1990)

2. Ashok Kumar, L. Ganapathi, S. M. Kanetkar and J.Narayan "Single chamber in-situ processing of superconducting YBa2Cu3O7- thin films on stainless steel with yttria-stabilized zirconiea buffer layer" J. Appl. Phys. 69, 2410-2413 (1991)

3. L. Ganapathi, Ashok Kumar and J. Narayan "In-situ processing of LaBa2Cu3O7- thin films by laser ablation method" Physica C  168, 599-604 (1990)

4. A. M. Gokhale and Ashok Kumar "Analysis of particle coarsening in Al-Pb alloy" Transaction of Indian Institute of Metal, volume 42, No.4, 401-404 (1989)

5. Ashok Kumar, J. Narayan and Bijoy Patnaik "Trilayered heterostructures in-situ laser deposited high temperature superconductors" Physica C 209 421-427 (1993)

6. N. Shu, Ashok Kumar, M. R. Alam, H. L. Chan and Q. You “Study of dielectrical properties of laser processed BaTiO₃ thin films on Si(100) with TiN buffer layers” Applied Surface Science, 109/110, 366-370 (1997)

7. M. R. Alam, Ashok Kumar, A. Mangiarcina and M. Shamsuzzoha “Synthesis of the PZT films deposited on Pt-coated (100) Si substrates for nonvolatile memory applications” J. of Electronic Materials, Vol. 28, No. 10, 1331-1334 (1997)

8. Ashok Kumar, Q. You, A. Mangiarcina, J. S. Kapat, S. A. Catledge and Y. Vohra “Evaluation of barrier layer for HFCVD diamond films on silicon substrates” Thin Solid Films,  vol. 308-309, pp 209-214 (1997)

9. Ashok Kumar, H. L. Chan and Y. Vohra “Characterization of pulsed laser deposited diamond-like carbon films” Surface Coatings & Technology, 102, 113-118 (1998)

10. Ashok Kumar, “Pulsed laser deposition of superhard nitride coatings” Materials and Manufacturing Processes, Vol. 14, No. 3, 397-411 (1999)

11. R. Bahl, Ashok Kumar, M. Vedawuas, and D. Patel “Synthesis and characterization of TiC and TiCN coatings” Applied Physics A Materials Science & Processing, A 69, 643-646 (1999)

12. Ashok Kumar and M. Shamsuzzoha, “Effects of Pre-treated substrates on the growth morphology of diamond films prepared by the hot filament chemical vapor deposition method” New Diamond and Frontier Carbon Technology, vol. 9, No. 6, 445-458, (1999)

13. Ashok Kumar, I. Ahmed and M. Vedawyas “Growth of diamond films on Ti-6Al-4V substrates and determination of residual stresses using Raman spectroscopy” J. Vac. Sci. Technol. A 18 (5), 2486-2492 Sep/Oct (2000)

14. Ashok Kumar, and P. Zantye, “Biosensors based on Piezoelectric Crystal Detectors: Theory and Applications” Journal of Metals, October (2000)

15. A. K. Sikder, Frank Giglio, John Wood, Ashok and J.M. Anthony Optimization of Tribological Properties of Silicon Dioxide during the Chemical Mechanical Planarization Process”,  J. Elec. Mater., 30, 1522-26 (2001)

16. A. K. Sikder and Ashok Kumar Mechanical and Tribological Properties of Interlayer Coatings for Cu Damascene Process”, J. Electronic Materials, 31, 1016-1021 (2002)

17. A. K. Sikder, I.M. Irfan, Ashok Kumar and J.M. Anthony “Nano-indentation studies of Xerogel and SiLK low-K dielectric materials”, J. Elec. Mater., 30, 1527-31 (2001)

18. P.A.O. Muisener, L. Clayton, J. D’Angelo, J.P. Harmon, A. K. Sikder, Ashok Kumar, A.M. Cassell and  Meyya Meyyappan “The Effects of Gamma Radiation on Poly (methyl Methacrylate)/Single Wall Nanotube Composites”,  J. Mater. Res., 17 (10), 2507-2513 (2002)