B. R. Tak, Sudheer Kumar, Sheetal Dewan, Monika Tomar, Vinay Gupta and R. Singh, “Investigation of structural and optical properties of pulsed laser deposited gallium oxide thin films”, National Conference on Semiconductor Materials and Devices (NCSMD-2016), IIT Jodhpur, Rajasthan, India (March 4-6, 2016).

Sudheer Kumar and R. Singh, “Growth and characterization of β-Ga2O3 nanostructures using CVD technique for applications in nanodevices”, 60th DAE-Solid State Physics Symposium (DAE-SSPS), Amity University, Noida, India (Dec 21-25, 2015).

Sudheer Kumar, S. Dhara, R. Agarwal and R. Singh, “Photoconductive Properties of Beta-Gallium Oxide Nanowires”, IWGO-2015, Kyoto, Japan (Nov 03-Nov 06, 2015).

Sudheer Kumar, C. Tessarek, A. Hähnel, S. Christiansen and R. Singh, “Study of Growth and Characterization of Fe-Catalyzed β-Ga2O3 Nanowires”, 2014 MRS Fall Meeting & Exhibit, Boston, Massachusetts, USA (Nov 30-Dec 05, 2014).

Mukesh Kumar, Sudheer Kumar, S. Christiansen, V. Kumar and R. Singh, “GaN nanowires via phase conversion of Ga2O3 nanowires”, 8th Nanowire Growth Workshop (Nanowire 2014), Eindhoven, Netherland (August 25-29, 2014).

Sudheer Kumar, A. Tyagi, G. Sarau, C. Tessarek, S. Christiansen and R. Singh, “Self catalyzed growth of beta-gallium oxide (β-Ga2O3) nanostructures using chemical vapor deposition technique”, International Conference On Nano Science And Technology (ICONSAT), Chandigarh, India (March 03-05, 2014).

Sudheer Kumar, Anshu Tyagi and R. Singh “Growth and Characterization of Gallium Oxide Thin Film Deposited on Sapphire using Spin Coating Method”, International Workshop on Physics of Semiconductor Devices (XVII-IWPSD), Amity University, Noida, India (Dec 10-13, 2013).

Mukesh Kumar, Sudheer Kumar, Prashant Kumar, S. Christiansen, R. Singh and V. Kumar, “Study of the Formation of GaN Nanowires via Ammonification of Ga2O3 Nanowires”, International Workshop on Physics of Semiconductor Devices (XVII-IWPSD), Amity University, Noida, India (Dec 10-13, 2013).

Sudheer Kumar, C. Tessarek, S. Christiansen and R. Singh, “Study of growth of β-Ga2O3 nanowires on various substrates using CVD technique”, 5th International Conference on One Dimensional Nanomaterial (ICON), Nancy, France (Sept 23-26, 2013).

Sudheer Kumar, B. S. Goud and R. Singh, “Growth and Characterization of Nickel Catalyzed Gallium Oxide Nanowires on Sapphire Substrate”, International Symposium of Semiconductor Materials and Devices (ISSMD-2), Jammu University, Jammu, India (Jan 30-Feb 02, 2013).

Sudheer Kumar, C. Tessarek, S. Christiansen and R. Singh, “Cathodoluminescence Properties of β-Ga2O3 Nanowires Grown Using CVD Technique”, 57th DAE-Solid State Physics Symposium (DAE-SSPS), IITB, Mumbai, India (Dec 03-07, 2012).

Sudheer Kumar, A. Nautiyal and R. Nath, “Effect of Metal Electrodes on the Ferroelectric properties of ceramic: Polymer composite films”, National conference on Smart Electronic and Engineering Materials (SEEMs'10), Bathinda, India (March 05-06, 2010).