Dr. Ranjit Kumar
Completed Ph.D. (2014)
Email:
Research interests:
Study of Physical and Chemical Mechanism Responsible for Colossal Dielectric Phenomenon in Calcium Copper Titanate (CCTO)
Supervisor: Prof. M. Zulfequar
Co-Supervisor: Dr. T.D. Senguttuvan
Publications:
- Structural and impedance spectroscopic studies of spark plasma sintered CaCu3Ti4O12 dielectric ceramics: an evidence of internal resistive barrier effect
Ranjit Kumar, M. Zulfequar, T. D. Senguttuvan
Journal of Materials Science Materials in Electronics, (2016)
- Dielectric properties of microwave flash combustion derived and spark plasma sintered CaCu3Ti4O12 ceramic: role of reduction in grain boundary activation energy
Ranjit Kumar, M. Zulfequar, T. D. Senguttuvan
Journal of Materials Science Materials in Electronics 26(9), (2015)
- Growth of Nanocrystalline CaCu 3 Ti 4 O 12 Ceramic by the Microwave Flash Combustion Method: Structural and Impedance Spectroscopic Studies
Ranjit Kumar, M. Zulfequar, Lalit Sharma, V. N. Singh, T. D. Senguttuvan
Crystal Growth & Design 15(3):150206133850007, (2015)
- Molecular Kinetic Based Dielectric Polarization in Sol-Gel Derived Nanocrystalline CaCu3Ti4O12
Ranjit Kumar, M. Zulfequar, T.D. Senguttuvan
Advanced Materials Research 699:387-391, (2013)
- Microwave sintering of dielectric CaCu3Ti4O12: An interfacial conductance and dipole relaxation effect
Ranjit Kumar, M. Zulfequar, V. N. Singh, J. S. Tawale, T. D. Senguttuvan
Journal of Alloys and Compounds 541:428-432, (2012)
- A Low-Cost Chemical Route for High Dielectric Constant Plate-Shaped Nanocrystalline CaCu3Ti4O12
Ranjit Kumar, M. Zulfequar, V. N. Singh, Sukhvir Singh, T. D. Senguttuvan
Advanced Science Letters 16(5):79-83, (2012)
- Impedance Spectroscopic Studies of Sol–Gel Derived Nanocrystalline CaCu3Ti4O12
Ranjit Kumar, M. Zulfequar, Harjeet Kaur, V. N. Singh, T. D. Senguttuvan
Advanced Science, Engineering and Medicine, 3(3), 197-201 (2011)