Research

Research Articles:

  1. Kumar, R. & Singh, S. Giant electrocaloric and energy storage performance of [(K0.5Na0.5)NbO3](1-x)-[LiSbO3]xnanocrystalline ceramics. Scientific Reports. 8, 3186 (2018) (impact factor = 4.525).

  2. Kumar, R., Kumar, A. & Singh, S. Large electrocaloric response and energy storage study in environmentally friendly (1 - x)K0.5Na0.5NbO3 - xLaNbO3 nanocrystalline ceramics. Sustainable Energy and Fuels 2, 2698–2704 (2018) (impact factor = 4.912).

  3. Kumar, R., Kumar, A. & Singh, S. Coexistence of Large Negative and Positive Electrocaloric Effects and Energy Storage Performance in LiNbO3 Doped K0.5Na0.5NbO3 Nanocrystalline Ceramics. ACS Applied Electronic Materials. 1, 454–460 (2019).

  4. Kumar, R., Khurana, D., kumar, A. & Singh, S. Giant negative electrocaloric effect and energy storage response in 0.94(K0.5Na0.5)NbO3 -0.06SrMnO3 nanocrystalline ceramics. Ceramics International. 44, 20845–20850 (2018) (impact factor = 3.450).

  5. Kumar, R. & Singh, S. Enhanced electrocaloric response and high energy-storage properties in lead-free (1-x) (K0.5Na0.5)NbO3- xSrZrO3nanocrystalline ceramics. Journal of Alloys and Compounds. 764, 289–294 (2018) (impact factor = 4.175 ).

  6. Gupta, A*., Kumar, R*. & Singh, S. Coexistence of negative and positive electrocaloric effect in lead-free 0.9(K0.5Na0.5)NbO3 - 0.1SrTiO3 nanocrystalline ceramics. Scripta Materialia 143, 5–9 (2018) (impact factor = 4.539).

  7. Kumar, R. & Singh, S. Enhanced electrocaloric effect in lead-free 0.9(K0.5Na0.5)NbO3 -0.1Sr(Sc0.5Nb0.5)O3ferroelectric nanocrystalline ceramics. Journal of Alloys and Compounds 723, 589–594 (2017) (impact factor = 4.175).

  8. Kumar, A., Kumar, R., Singh, K. & Singh, S. Enhanced Electrocaloric Effect and Energy Storage Density in Lead-Free 0.8Na0.5Bi0.5TiO3 -0.2SrTiO3 Ceramics. Physica Status Solidi (A) Applications and Materials Science. 216, 1800786 (2019) (impact factor =1.606 ).

  9. Jamwal, T.*; Kumar, R.* & Singh, S., Giant electrocaloric effect in 0.75PbZrO3 - 0.25Bi(Mg1/2Ti1/2)O3 ceramics, Ceramics International. 45, 14411–14414 (2019) (impact factor = 3.450).