Dr. Anuj Kumar

Education:

M.Sc., Ph.D (CSIR-NPL & Delhi University)

Biography:

Dr. Anuj Kumar is working as Assistant Professor (Grade II) in Department of Physics and Materials Science Engineering. He received his B.Sc. and M.Sc. degree from CCS University Meerut. Then he served as a lecturer at undergraduate level. After that Dr. Kumar joined Superconductivity and Cryogenics division at CSIR-National Physical Laboratory, New Delhi and Department of Physics & Astrophysics, University of Delhi for Ph.D degree. He earned his Ph. D in 2013 under the joint supervision of Prof. R. P. Tandon (DU) and Dr. V. P. S. Awana (NPL). Just after finishing Ph.D he moved to National Institute for Materials Science (NIMS), Tsukuba Japan for postdoctoral work (2013-15). He also worked as Assistant Professor (Grade I) at Department of Physics, DIT University Dehradun (2016-18).

Dr. Kumar has research exposure in the field of Strongly Correlated Electron System and Experimental Condensed Matter Physics. He is actively involved in the fundamental research on superconducting and magnetic materials from over ten years by now. His research work includes synthesis and characterization of new functional materials viz: superconducting, magnetic, thermoelectric and topological insulators etc. He has around 31 SCI research papers in his credit at international repute. He is also the life member of the various scientific agencies/bodies like Materials Research Society of India (MRSI), Bangalore (LM 1846), Indian Physical Society (IPS), Kolkata (LM 0949),Magnetics Society of India (MSI), Hyderabad (LM 524), Indian Physics Association (IPA), Mumbai (LM 12854) and Indian Science Congress Association (ISCA), Kolkata (LM 16016).

Publications:

• Anurag Yadav, and Anuj Kumar, "Spin density wave and antiferromagnetic transition in EuFe2As2: a high field transport and heat capacity study" International Journal of Materials Research, 114, 628-633, May 2023.
• Kumar A., Tandon R. P., and Awana V. P. S. (2014). Spin dynamics, short-range order and superparamagnetism in superconducting ferromagnet RuSr₂Gd_1.4Ce_0.6Cu₂O_10-δ; J. Magn. & Mag. Materials 349, 224-231.
• Jha R., Kumar A., Singh S. K., and Awana V. P. S. (2013). Superconductivity at 5K in NdO_0.5F_0.5BiS₂; J. Appl. Phys.113, 056102.
• Jha R., Kumar A., Singh S. K., and Awana V. P. S. (2013). Synthesis and superconductivity of new BiS₂ based superconductorPrO_0.5F_0.5BiS₂; Letter J. Supcond. Nov. Magn.26, 499-502.
• Awana V. P. S., Kumar A., Jha R., Singh S. K., Pal A., Shruti, Saha J., and Patnaik S. (2013). Appearance of Superconductivity in layered LaO_0.5F_0.5BiS₂; Solid State Commun. 157, 21-23.
• Singh S. K., Kumar A., Gahtori B., Shruti, Sharma G., Patnaik S., and Awana V. P. S. (2012). Bulk superconductivity in bismuth oxysulfide Bi₄O₄S₃; J. Am. Chem. Soc.134, 16504-16507.
• Kumar A., Tandon R. P., and Awana V. P. S. (2012). Spin glass and cluster ferromagnetism in RuSr₂Y_1.5Ce_0.5Cu₂O₁₀ magneto-superconductor synthesized by HPHT; Cryogenics52, 764-766.
• Kumar A., Tandon R. P., and Awana V. P. S. (2012). Effect of 3d metal (Ni and Co) doping on the superconductivity of FeSe_0.5Te_0.5; IEEE Transactions on Magnetics 48, 4239-4242.
• Liyanawaduge N. P., Kumar A., Jha R., Karunarathne B. S. B., and Awana V. P. S. (2012). High field magneto-transport and magnetization study of Y_1-xCa_xBa₂Cu₃O_7-δ (x=0.0-0.25); J. Alloys and Compd. 543, 135-141.
• Kumar A., Jha R., Tandon R. P., and Awana V. P. S. (2012). Effect of Boron substitution on the superconductivity of non-oxide perovskite MgCNi₃; Solid State Commun.152, 1678-1682.
• Kumar A., Tandon R. P., and Awana V. P. S. (2012). Successive spin glass, cluster ferromagnetic and superparamagnetic transitions in RuSr₂Y_1.5Ce_0.5Cu₂O₁₀ complex magneto-superconductor; Eur. Phys. J. B 85, 238.
• Jha R., Singh S. K., Kumar A., and Awana V. P. S. (2012). Room temperature magnetic entropy change and magnetoresistance in La_0.70(Ca_0.30-xSr_x)MnO₃:Ag 10% (x = 0.0-0.10); J. Magn. & Mag. Materials 324, 2849-2853.
• Kumar A., Kumar S., Jha R., and Awana V. P. S. (2012). Synthesis and superconductivity of CeNi_0.8Bi₂: New entrant in superconductivity kitchen?; Letter J. Supcond. Nov. Magn.25, 723-724.
• Liyanawaduge N. P., Kumar S., Kumar A., Jha R., Karunarathne B. S. S., and Awana V. P. S. (2012). Magnetization and magneto-resistance in Y(Ba_1-xSr_x)₂Cu₃O₇ (x=0.0-0.5) superconductor; Supercond. Sci. & Technol.25, 035017.
• Meena R. S., Singh S. K., Pal A., Kumar A., Jha R., Rao K. V. R., Wang X. L., and Awana V.  P. S. (2012). High field (14T) magneto transport of Sm/PrFeAsO; J. Appl. Phys. 111, 07E323.
• Kumar A., Jha R., Kumar S., Kumar J., Ahluwalia P. K., Tandon R. P., and Awana V. P. S. (2012). Superconductivity in the vicinity of ferromagnetism in oxygen free perovskite MgCNi₃: An experimental and DFT (Density Functional Theory) study; J. Appl. Phys.111, 033907.
• Kumar A., Tandon R. P., Wang J., Zeng R., and Awana V. P. S. (2012). Crossing point phenomena (T* = 2.7K) in specific heat curves of superconducting ferromagnets RuSr₂Gd_1.4Ce_0.6Cu₂O_10-δ; J. Appl. Phys. 111, 07E140.
• Liyanawaduge N. P., Kumar A., Kumar S., Karunarathne B. S. B., and Awana V. P. S. (2012). The role of Ca in superconducting and magnetic properties of Y_1-xCa_xBa₂Cu₃O_7-δ (x = 0.0-0.30); J. Supcond. Nov. Mag.25, 31-37.
• Kumar A., Tandon R. P., and Awana V. P. S. (2011). Study of spin glass and cluster ferromagnetism in RuSr₂Eu_1.4Ce_0.6Cu₂O_10-δ magneto superconductor; J.Appl. Phys.110, 043926-43.
• Kumar A., Pal A., Tandon R. P., and Awana V. P. S. (2011). Role of interstitial “caged” Fe in the superconductivity of FeTe_1/2Se_1/2; Solid State Commun.151, 1767.
• Kumar J., Kumar A., Vajpayee A., Gahtori B., Sharma D., Ahluwalia P. K., Auluck S., and Awana V. P. S. (2011). Physical property and electronic structure characterization of bulk superconducting Bi₃Ni; Supercond. Sci. and Technol.24, 085002.
• Liyanawaduge N. P., Kumar A., Malik A., Kishan H., and Awana V. P. S. (2011). Inter and Intra granular interactions of REBa₂Cu₃O_7-δ (RE = Eu, Gd, Ho &Er); J. Supercond. Nov. Magn.24, 1893-1899.
• Kumar A., Shahnawaz and Awana V. P. S. (2011). Impact of Mn substitution at Ru site in RuSr₂(Eu_1.4Ce_0.6)Cu₂O_10-δ magneto-superconductor; J. Supcond. Nov. Magn.24, 499-504.
• Kumar A., Gahtori B., Rao A., Kuo Y. K., Shahnawaz, Awana V. P. S., and Tandon R. P. (2011). Magnetic and thermal behavior of Ru_0.9Sr₂YCu_2.1O_7.9 magneto-superconductor synthesized by High-Pressure High-Temperature technique; J. Supercond. Nov. Magn.24, 1643-1648.
• Liyanawaduge N. P., Kumar S., Kumar A., Awana V. P. S., and Kishan H. (2011). Superconducting and magnetic properties of Zn doped YBa₂Cu₃O_7-δ; J. Supercond. Nov. Magn.24, 1599-1605.
• Kumar N., Kumar A., Jha R., Dogra A., Pasricha R., Kotnala R. K., Kishan H., and Awana V. P. S. (2010). Impact of particle size on room temperature ferrimagnetism of SrFe₁₂O₁₉; J. Supercond. Nov. Magn.23, 423-427.
• Kumar A., Mudgel M., Awana V. P. S., and Kishan H. (2010). "Effect of Cr substitution on the superconducting and magnetic properties of RuSr₂Eu_1.5Ce_0.5Cu₂O_10-δ; Physica C470, S215-S216.
• Gupta A., Kumar A., and Narlikar A. V. (2009). Normal State Connectivity and J_c of weakly coupled MgB₂ Particles; Supercond. Sci. Technol. 22, 105005.
• Kumar A., Gahtori B., Kumar N., Srivastava A. K., Awana V. P. S., Panwar N., Kishan H., and Felner I. (2009). Nano-vanadium doping-driven low temperature structural phase transformation in titania; Mod. Phys. Lett. B23, 3543-3549.
• Awana V. P. S., Tripathi R., Balamurugan S., Kumar A., Dogra A., and Kishan H. (2009). Large thermal hysteresis inelectrical transport of charge ordered La_0.5Ca_0.5MnO₃ manganites; Letter J. Alloys and Compd.475, L13-L16.
• Awana V. P. S., Vajpayee A., Mudgel M., Kumar A., Meena R. S., Tripathi R., Kumar S., Kotnala R. K., and Kishan H. (2008). One step atmospheric pressure synthesis of the ground state of LaAsFeO; Letter J. Supercond. Nov. Magn.21, 167-169.
• Kumar A., Kumar S., Mudgel M., Kishan H., and Awana V. P. S. (2008). Multiple magnetic ordering temperatures in RuSr₂Eu_1.5Ce_0.5Cu₂O_10-δ system; J. Supercond. Nov. Magn.21, 259-264.

Conference Proceeding:

• Singh S. K., Kumar A., Shruti, Sharma G., Patnaik S., Husain M., and Awana V. P. S. (2013). Superconductivity in BiS₂ based Bi₄O₄S₃ novel compound; AIP Conf. Proc.1512, 1104-1105.
• Jha R., Kumar A., Singh S. K., and Awana V. P. S. (2013).Bulk superconductivity at 5K in NdO_0.5F_0.5BiS₂; AIP Conf. Proc.1512, 1106-1107.
• Shruti, Kumar A., Jha R., Patnaik S., and Awana V. P. S. (2013). Study of transport and magnetic properties in new BiS₂ based layered LaO_0.5F_0.5BiS₂ superconductor; AIP Conf. Proc.1512, 1118-1119.
• Jha R., Kumar A., and Awana V. P. S. (2012). Fabrication of DC sputtered NbN thick film with high upper critical field of above 400 kOe; AIP Conf. Proc.1447, 867-868.
• Awana V. P. S., Kumar A., Pal A., Kumar S., Meena R. S., Jha R., Kumar J., Gahtori B., and Kishan H. (2012). Superconductivity of Fe based pnictides and chalcogenides: Material aspects, Doping routes, Future prospects and Challenges; AIP Conf. Proc.1447, 8-11.
• Awana V. P. S., Kumar A., and Pal A. (2012). Control of interstitial Fe and its impact on superconductivity of FeTe_1/2Se_1/2; AIP Conf. Proc.1447, 869-870.
• Kumar A., Jha R., Tandon R. P., and Awana V. P. S. (2012). Superconductivity and ferromagnetism in the non-oxide perovskite MgCNi₃; AIP Conf. Proc.1447, 875-876.
• Irjala M., Huhtinen H., Paturi P., Kumar A., Awana V. P. S., Narlikar A. V., and Laiho R. (2009). Optimization of Pr concentration in Y_1-xPr_xBaCO films prepared by pulsed laser deposition; IOP-J. Phys. Conf. Series153, 012014.
• Kumar A., Vajpayee A., Kumar S., Awana V. P. S., and Kishan H. (2009). Revisiting the Y_1-xPr_xBa₂Cu₃O_7-δ system-CuO₂ plane disorder induced flux pinning; IOP-J. Phys. Conf. Series153, 012020.

Conference/Symposium/Seminar/Workshop:

• Anuj Kumar, and Anurag Yadav "Complex magnetic behavior of superconducting ferromagnets RuSr2(RE1.4Ce0.6)Cu2O10-δ (RE = Eu, Gd & Y)" AIP Conf. Proc. 2995, 020164, Jan. 2024.
• Anurag Yadav, and Anuj Kumar, "Magnetic and superconducting properties of Fe-based FeSe0.5Te0.5 superconductor" AIP Conf. Proc. 2995, 020166, Jan. 2024.
• National Seminar on “Material Science: Research and Applications” organized by CSIR-National Physical Laboratory, New Delhi, India, 4-5 September, 2008.
• International Conference on “Quantum Effects in Solids of Today” (I-ConQuEST-2010) organized by CSIR-National Physical Laboratory, New Delhi, India, 20-23 December, 2010.
•  “56^th DAE-Solid State Physics Symposium” organized by SRM University, Kattankulathur, Tamilnadu, India, and Bhabha Atomic Research Centre, Bombay, India 19-23 December, 2011.
• Asian Conference on “Applied Superconductivity and Cryogenics” (ACASC-2011)organized by Indian Cryogenics Council and Inter University Accelerator, New Delhi, India, 16-18 November, 2011.
•  “13^th International Conference on Magnetic Fluids” (ICMF-2013) organized by CSIR-National Physical Laboratory, New Delhi, India, 7-11 January, 2013.
• International Workshop on “Novel Superconductors and Super Materials 2013” (NS²-2013) organized by Tokyo Institute of Technology, Tokyo, Japan, 21-22 November, 2013.
• 6^th Indo-Japan Seminar on“Physics and Design of Multi-Functional Correlated Materials” organized by Tokyo University, Tokyo, Japan, 24-25 March, 2015.