Research outputs
2025
Net-shaping (Y,NSG)BCO composite superconductor into cylindrical geometry with enhanced flux pinning up to 9 T at 77 K
Boggala, V. R., Verma, P. K., Rose, P., Vummethala, S. B., Namburi, D. K., & Rajasekharan, T. P. (2025). Net-shaping (Y,NSG)BCO composite superconductor into cylindrical geometry with enhanced flux pinning up to 9 T at 77 K. Physica Scripta, 100(1), 015914. doi:10.1088/1402-4896/ad941e
2024
Revealing the vortex phases and second magnetization peaks in SmBCO superconductors
Shit, S., Namburi, D. K., Das, S. D., & Nath, T. K. (2024). Revealing the vortex phases and second magnetization peaks in SmBCO superconductors. Journal of Applied Physics, 136(17). doi:10.1063/5.0235000
Enhancing the magnetic field gradient between two superconductors with rotational motion under a background DC field
Houbart, M., Fagnard, J. -F., Harmeling, P., Dular, J., Dennis, A. R., Namburi, D. K., . . . Vanderbemden, P. (2024). Enhancing the magnetic field gradient between two superconductors with rotational motion under a background DC field. Superconductor Science and Technology, 37(9), 095009. doi:10.1088/1361-6668/ad68d1
Revelations of vortex phases and pinning mechanism in GdBa<sub>2</sub>Cu<sub>3</sub>O<sub>7-<i>δ</i> </sub> superconductors: a magneto-electric and magnetization study
Shit, S., Namburi, D. K., Das, S. D., & Nath, T. K. (2024). Revelations of vortex phases and pinning mechanism in GdBa<sub>2</sub>Cu<sub>3</sub>O<sub>7-<i>δ</i> </sub> superconductors: a magneto-electric and magnetization study. Physica Scripta, 99(5), 055958. doi:10.1088/1402-4896/ad3ca2
2023
High-uniformity atomic layer deposition of superconducting niobium nitride thin films for quantum photonic integration
Lennon, C. T., Shu, Y., Brennan, J. C., Namburi, D. K., Varghese, V., Hemakumara, D. T., . . . Hadfield, R. H. (2023). High-uniformity atomic layer deposition of superconducting niobium nitride thin films for quantum photonic integration. Materials for Quantum Technology, 3(4), 045401. doi:10.1088/2633-4356/ad0aa5
How to overcome the demagnetization of superconducting Halbach arrays?
Houbart, M., Fagnard, J. -F., Dular, J., Dennis, A. R., Namburi, D. K., Durrell, J. H., . . . Vanderbemden, P. (2023). How to overcome the demagnetization of superconducting Halbach arrays?. Superconductor Science and Technology, 36(11), 115012. doi:10.1088/1361-6668/acf904
Fabrication of high-quality joints between Gd–Ba–Cu–O bulk superconductors
Tutt, N., Congreve, J., Shi, Y., Namburi, D., Dennis, A., Druiff, H., & Durrell, J. (2023). Fabrication of high-quality joints between Gd–Ba–Cu–O bulk superconductors. Superconductor Science and Technology, 36(8), 085004. doi:10.1088/1361-6668/acdc5c
2022
Trapped magnetic field distribution above a superconducting linear Halbach array
Houbart, M., Fagnard, J. -F., Dular, J., Dennis, A. R., Namburi, D. K., Durrell, J. H., . . . Vanderbemden, P. (2022). Trapped magnetic field distribution above a superconducting linear Halbach array. Superconductor Science and Technology, 35(6), 064005. doi:10.1088/1361-6668/ac68a7
2021
Improved trapped field performance of single grain Y‐Ba‐Cu‐O bulk superconductors containing artificial holes
Huang, K. Y., Hlásek, T., Namburi, D. K., Dennis, A. R., Shi, Y., Ainslie, M. D., . . . Durrell, J. H. (2021). Improved trapped field performance of single grain Y‐Ba‐Cu‐O bulk superconductors containing artificial holes. Journal of the American Ceramic Society, 104(12), 6309-6318. doi:10.1111/jace.18017
THE PROCESSING AND PROPERTIES OF BULK (RE)BCO HIGH TEMPERATURE SUPERCONDUCTORS: CURRENT STATUS AND FUTURE PERSPECTIVES
Namburi, D. K., Shi, Y., & Cardwell, D. A. (2021). THE PROCESSING AND PROPERTIES OF BULK (RE)BCO HIGH TEMPERATURE SUPERCONDUCTORS: CURRENT STATUS AND FUTURE PERSPECTIVES. Superconductor Science and Technology. doi:10.1088/1361-6668/abde88
2020
Pulsed-field magnetisation of Y-Ba-Cu-O bulk superconductors fabricated by the infiltration growth technique
Namburi, D. K., Takahashi, K., Hirano, T., Kamada, T., Fujishiro, H., Shi, Y. -H., . . . Ainslie, M. D. (2020). Pulsed-field magnetisation of Y-Ba-Cu-O bulk superconductors fabricated by the infiltration growth technique. Superconductor Science and Technology, 33(11), 115012. doi:10.1088/1361-6668/abb590
(RE)BCO coated conductors with BHO exhibiting promising in-field critical current performance up to fields of 31.2 T: a significant step forward towards the development of all (RE)BCO large field magnets
Namburi, D. K. (2020). (RE)BCO coated conductors with BHO exhibiting promising in-field critical current performance up to fields of 31.2 T: a significant step forward towards the development of all (RE)BCO large field magnets. Superconductor Science and Technology, 33(9), 090502. doi:10.1088/1361-6668/aba79f
Trapped magnetic field distribution above two magnetized bulk superconductors close to each other
Houbart, M., Fagnard, J. -F., Dennis, A. R., Namburi, D. K., Shi, Y., Durrell, J. H., & Vanderbemden, P. (2020). Trapped magnetic field distribution above two magnetized bulk superconductors close to each other. Superconductor Science and Technology, 33(6), 064003. doi:10.1088/1361-6668/ab87ac
A simple, reliable and robust reinforcement method for the fabrication of (RE)–Ba–Cu–O bulk superconductors
Namburi, D. K., Huang, K., Lau, W., Shi, Y., Palmer, K. G., Dennis, A. R., . . . Durrell, J. H. (2020). A simple, reliable and robust reinforcement method for the fabrication of (RE)–Ba–Cu–O bulk superconductors. Superconductor Science and Technology, 33(5), 054005. doi:10.1088/1361-6668/ab7ec4
Reliable single grain growth of (RE)BCO bulk superconductors with enhanced superconducting properties
Cardwell, D. A., Shi, Y., & Numburi, D. K. (2020). Reliable single grain growth of (RE)BCO bulk superconductors with enhanced superconducting properties. Superconductor Science and Technology, 33(2), 024004. doi:10.1088/1361-6668/ab627d
Composite stacks for reliable > 17 T trapped fields in bulk superconductor magnets
Huang, K. Y., Shi, Y., Srpčič, J., Ainslie, M. D., Namburi, D. K., Dennis, A. R., . . . Durrell, J. H. (2020). Composite stacks for reliable > 17 T trapped fields in bulk superconductor magnets. Superconductor Science and Technology, 33(2), 02LT01. doi:10.1088/1361-6668/ab5e12
2019
Design Optimization of a Hybrid Trapped Field Magnet Lens (HTFML)
Namba, S., Fujishiro, H., Ainslie, M. D., Takahashi, K., Namburi, D. K., Zhou, D., & Naito, T. (2019). Design Optimization of a Hybrid Trapped Field Magnet Lens (HTFML). IEEE Transactions on Applied Superconductivity, 29(5), 1-5. doi:10.1109/tasc.2019.2899255
Magnetic Shielding of Open and Semi-closed Bulk Superconductor Tubes: The Role of a Cap
Wera, L., Fagnard, J. -F., Hogan, K., Vanderheyden, B., Namburi, D. K., Shi, Y., . . . Vanderbemden, P. (2019). Magnetic Shielding of Open and Semi-closed Bulk Superconductor Tubes: The Role of a Cap. IEEE Transactions on Applied Superconductivity, 29(3), 1-9. doi:10.1109/tasc.2019.2891897
Cost-effective isothermal top-seeded melt-growth of single-domain YBCO superconducting ceramics
Hlásek, T., Shi, Y., Durrell, J. H., Dennis, A. R., Namburi, D. K., Plecháček, V., . . . Jankovský, O. (2019). Cost-effective isothermal top-seeded melt-growth of single-domain YBCO superconducting ceramics. Solid State Sciences, 88, 74-80. doi:10.1016/j.solidstatesciences.2018.12.008
Synthesis of Y2BaCuO5 nano-whiskers by a solution blow spinning technique and their successful introduction into single-grain, YBCO bulk superconductors
Rotta, M., Namburi, D. K., Shi, Y., Pessoa, A. L., Carvalho, C. L., Durrell, J. H., . . . Zadorosny, R. (2019). Synthesis of Y2BaCuO5 nano-whiskers by a solution blow spinning technique and their successful introduction into single-grain, YBCO bulk superconductors. Ceramics International, 45(3), 3948-3953. doi:10.1016/j.ceramint.2018.11.068
2018
A trapped field of 14.3 T in Y–Ba–Cu–O bulk superconductors fabricated by buffer-assisted seeded infiltration and growth
Namburi, D. K., Durrell, J. H., Jaroszynski, J., Shi, Y., Ainslie, M., Huang, K., . . . Cardwell, D. A. (2018). A trapped field of 14.3 T in Y–Ba–Cu–O bulk superconductors fabricated by buffer-assisted seeded infiltration and growth. Superconductor Science and Technology, 31(12), 125004. doi:10.1088/1361-6668/aae2cf
Spatial Distribution of Flexural Strength in Y–Ba–Cu–O Bulk Superconductors
Huang, K. Y., Zhou, D., Srpcic, J., Shi, Y., Namburi, D. K., Dennis, A., . . . Cardwell, D. A. (2018). Spatial Distribution of Flexural Strength in Y–Ba–Cu–O Bulk Superconductors. IEEE Transactions on Applied Superconductivity, 28(4), 1-5. doi:10.1109/tasc.2018.2814055
A robust seeding technique for the growth of single grain (RE)BCO and (RE)BCO–Ag bulk superconductors
Namburi, D. K., Shi, Y., Dennis, A. R., Durrell, J. H., & Cardwell, D. A. (2018). A robust seeding technique for the growth of single grain (RE)BCO and (RE)BCO–Ag bulk superconductors. Superconductor Science and Technology, 31(4), 044003. doi:10.1088/1361-6668/aaad89
2017
A novel pre-sintering technique for the growth of Y–Ba–Cu–O superconducting single grains from raw metal oxides
Li, J., Shi, Y. -H., Dennis, A. R., Namburi, D. K., Durrell, J. H., Yang, W., & Cardwell, D. A. (2017). A novel pre-sintering technique for the growth of Y–Ba–Cu–O superconducting single grains from raw metal oxides. Superconductor Science and Technology, 30(9), 095001. doi:10.1088/1361-6668/aa7999
Magnetic Shielding Above 1 T at 20 K With Bulk, Large Grain YBCO Tubes Made by Buffer-Aided Top Seeded Melt Growth
Wera, L., Fagnard, J. -F., Namburi, D. K., Shi, Y., Vanderheyden, B., & Vanderbemden, P. (2017). Magnetic Shielding Above 1 T at 20 K With Bulk, Large Grain YBCO Tubes Made by Buffer-Aided Top Seeded Melt Growth. IEEE Transactions on Applied Superconductivity, 27(4), 1-5. doi:10.1109/tasc.2016.2633301
Processing and Properties of Bar-Shaped Single-Seeded and Multi-Seeded YBCO Bulk Superconductors by a Top-Seeded Melt Growth Technique
Almalki, A., Namburi, D. K., Ba-Abbad, M., Dennis, A. R., Huang, K. Y., Almutairi, A. -A., . . . Cardwell, D. A. (2017). Processing and Properties of Bar-Shaped Single-Seeded and Multi-Seeded YBCO Bulk Superconductors by a Top-Seeded Melt Growth Technique. Journal of Superconductivity and Novel Magnetism, 30(6), 1397-1403. doi:10.1007/s10948-016-3944-x
Multiple seeding for the growth of bulk GdBCO–Ag superconductors with single grain behaviour
Shi, Y., Durrell, J. H., Dennis, A. R., Huang, K., Namburi, D. K., Zhou, D., & Cardwell, D. A. (2017). Multiple seeding for the growth of bulk GdBCO–Ag superconductors with single grain behaviour. Superconductor Science and Technology, 30(1), 015003. doi:10.1088/0953-2048/30/1/015003
2016
A novel, two-step top seeded infiltration and growth process for the fabrication of single grain, bulk (RE)BCO superconductors
Namburi, D. K., Shi, Y., Palmer, K. G., Dennis, A. R., Durrell, J. H., & Cardwell, D. A. (2016). A novel, two-step top seeded infiltration and growth process for the fabrication of single grain, bulk (RE)BCO superconductors. Superconductor Science and Technology, 29(9), 095010. doi:10.1088/0953-2048/29/9/095010
An improved top seeded infiltration growth method for the fabrication of Y–Ba–Cu–O bulk superconductors
Namburi, D. K., Shi, Y., Palmer, K. G., Dennis, A. R., Durrell, J. H., & Cardwell, D. A. (2016). An improved top seeded infiltration growth method for the fabrication of Y–Ba–Cu–O bulk superconductors. Journal of the European Ceramic Society, 36(3), 615-624. doi:10.1016/j.jeurceramsoc.2015.09.036
2015
Influence of rare earth doping on the structural and electro-magnetic properties of SmFeAsO<sub>0.7</sub>F<sub>0.3</sub> iron pnictide
Anooja, J. B., Aswathy, P. M., Varghese, N., Chandrakanth, C. K., Devendra Kumar, N., Sundaresan, A., & Syamaprasad, U. (2015). Influence of rare earth doping on the structural and electro-magnetic properties of SmFeAsO<sub>0.7</sub>F<sub>0.3</sub> iron pnictide. Inorganic Chemistry Frontiers, 2(8), 731-740. doi:10.1039/c5qi00047e
Rare earth (RE – Ce, Gd) modified Nd<sub>1−x</sub>RE<sub>x</sub>FeAsO<sub>0.7</sub>F<sub>0.3</sub> superconductor with enhanced magneto-transport properties
Aswathy, P. M., Anooja, J. B., Varghese, N., Chandrakanth, C. K., Devendra Kumar, N., Sundaresan, A., & Syamaprasad, U. (2015). Rare earth (RE – Ce, Gd) modified Nd<sub>1−x</sub>RE<sub>x</sub>FeAsO<sub>0.7</sub>F<sub>0.3</sub> superconductor with enhanced magneto-transport properties. RSC Advances, 5(52), 41484-41492. doi:10.1039/c5ra02499d
Buffer Pellets for High-Yield, Top-Seeded Melt Growth of Large Grain Y–Ba–Cu–O Superconductors
Devendra Kumar, N., Shi, Y., Zhai, W., Dennis, A. R., Durrell, J. H., & Cardwell, D. A. (2015). Buffer Pellets for High-Yield, Top-Seeded Melt Growth of Large Grain Y–Ba–Cu–O Superconductors. Crystal Growth & Design, 15(3), 1472-1480. doi:10.1021/cg501813y
Numerical simulation and analysis of single grain YBCO processed from graded precursor powders
Zou, J., Ainslie, M. D., Hu, D., Zhai, W., Devendra Kumar, N., Durrell, J. H., . . . Cardwell, D. A. (2015). Numerical simulation and analysis of single grain YBCO processed from graded precursor powders. Superconductor Science and Technology, 28(3), 035016. doi:10.1088/0953-2048/28/3/035016
2014
Effect of Preform Compaction Pressure on the Final Microstructures and Superconducting Properties of YBa2Cu3O7−δ Superconductors Fabricated by Directionally Solidified Preform Optimized Infiltration Growth Process
Devendra Kumar, N., Missak Swarup Raju, P., Pavan Kumar Naik, S., Rajasekharan, T., & Seshubai, V. (2014). Effect of Preform Compaction Pressure on the Final Microstructures and Superconducting Properties of YBa2Cu3O7−δ Superconductors Fabricated by Directionally Solidified Preform Optimized Infiltration Growth Process. Journal of Low Temperature Physics, 174(3-4), 113-127. doi:10.1007/s10909-013-0955-x
Effect of Ag addition on the microstructures and superconducting properties of bulk YBCO fabricated by Directionally Solidified Preform Optimized Infiltration Growth Process
Devendra Kumar, N., Missak Swarup Raju, P., Pavan Kumar Naik, S., Rajasekharan, T., & Seshubai, V. (2014). Effect of Ag addition on the microstructures and superconducting properties of bulk YBCO fabricated by Directionally Solidified Preform Optimized Infiltration Growth Process. Physica C: Superconductivity and its Applications, 496, 18-22. doi:10.1016/j.physc.2013.06.013
Origin of stable critical current densities to high applied magnetic fields in ceria doped YBCO superconductors
Missak Swarup Raju, P., Pavan Kumar Naik, S., Devendra Kumar, N., Rajasekharan, T., & Seshubai, V. (2014). Origin of stable critical current densities to high applied magnetic fields in ceria doped YBCO superconductors. International Journal of Chemtech Research, 6(3), 1699-1701.
2013
Preform optimization in infiltration growth process: An efficient method to improve the superconducting properties of YBa2Cu3O7−δ
Devendra Kumar, N., Rajasekharan, T., & Seshubai, V. (2013). Preform optimization in infiltration growth process: An efficient method to improve the superconducting properties of YBa2Cu3O7−δ. Physica C: Superconductivity, 495, 55-65. doi:10.1016/j.physc.2013.07.015
Effect of infiltration temperature on the properties of infiltration growth processed YBCO superconductor
Pavan Kumar Naik, S., Devendra Kumar, N., Missak Swarup Raju, P., Rajasekharan, T., & Seshubai, V. (2013). Effect of infiltration temperature on the properties of infiltration growth processed YBCO superconductor. Physica C: Superconductivity, 487, 72-76. doi:10.1016/j.physc.2013.01.008
2011
Extensive Nanotwinning: Origin of High Current Density to High Fields in Preform-Optimized Infiltration-Growth-Processed $\hbox{YBa}_{2}\hbox{Cu}_{3}\hbox{O}_{7 - \delta}$ Superconductor
Devendra Kumar, N., Rajasekharan, T., Gundakaram, R. C., & Seshubai, V. (2011). Extensive Nanotwinning: Origin of High Current Density to High Fields in Preform-Optimized Infiltration-Growth-Processed $\hbox{YBa}_{2}\hbox{Cu}_{3}\hbox{O}_{7 - \delta}$ Superconductor. IEEE Transactions on Applied Superconductivity, 21(6), 3612-3620. doi:10.1109/tasc.2011.2168819
Fishtail Effect Due To Silver Influenced Sub-precipitate Microstructure in YBCO∕Ag Superconducting Composites
Parthasarathy, R., Kumar, N. D., Bai, V. S., Garg, A. B., Mittal, R., & Mukhopadhyay, R. (2011). Fishtail Effect Due To Silver Influenced Sub-precipitate Microstructure in YBCO∕Ag Superconducting Composites. In AIP Conference Proceedings (pp. 915-916). AIP. doi:10.1063/1.3606156
YBCO/Ag composites through a preform optimized infiltration and growth process yield high current densities
Kumar, N. D., Rajasekharan, T., & Seshubai, V. (2011). YBCO/Ag composites through a preform optimized infiltration and growth process yield high current densities. Superconductor Science and Technology, 24(8), 085005. doi:10.1088/0953-2048/24/8/085005
2010
Unprecedented current density to high fields in YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7 − δ</sub>superconductor through nano-defects generated by preform optimization in infiltration growth process
Devendra Kumar, N., Rajasekharan, T., Muraleedharan, K., Banerjee, A., & Seshubai, V. (2010). Unprecedented current density to high fields in YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7 − δ</sub>superconductor through nano-defects generated by preform optimization in infiltration growth process. Superconductor Science and Technology, 23(10), 105020. doi:10.1088/0953-2048/23/10/105020