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Dr. Aswini K. Pradhan
Professor

Norfolk State University
700 Park Avenue
MCAR 526
Norfolk, VA 23504

Office Phone: (757) 823-2239
FAX: (757) 823-9054
Email: apradhan@nsu.edu

• Enhanced optical response in CdSe semiconductor via surface plasmon excitation in Gold nanoparticles, A.K. Pradhan, H. Mustafa, R. Konda, R. Mundle, O. Bamiduro, U.N. Roy, Y. Cui, and A. Burger, Nanotechnology 2007 (in Print). Metal-like conductivity in transparent Al:ZnO films, O. Bamiduro, H. Mustafa, R. Konda, R. Mundle and A.K. Pradhan, Appl. Phys. Lett. 90, 252108 (2007).
• Ferromagnetism in Ultra-thin Manganite films, A.K. Pradhan et. al.J. Appl. Phys.2007 (in print).
• Pulsed-laser deposited Er:ZnO films for 1.54 ?m emission, A. K. Pradhan, L. Douglas, H. Mustafa, R. Mundle, D. Hunter and C.E. Bonner, Appl. Phys. Lett. 90, 072108 (2007).
• Synthesis and Characterization of AgInSe2 Application in Thin Film Solar Cells, H. Mustafa, D. Hunter, A.K. Pradhan, Thin Solid Films, 515, 7001 (2007).
• Growth and characterization of doped ZnO films, A.K. Pradhan, Proc. SPI E6474, 647417 (2007). Junction Characteristics of SrTiO3 or BaTiO3 on p-Si (100) heterostructures,” D. Hunter, K. Lord, T.M. Williams, K. Zhang, A.K. Pradhan, D.R. Sahu, and J-L. Huang, Appl. Phys. Lett. 89, 092102 (2006).
• Photocarrier injection effect and p-n junction characteristics of La0.7Sr0.3MnO3/ZnO and Si heterostructures, K. Lord, D. Hunter, T.M. Williams, and A.K. Pradhan, Appl. Phys. Lett. 89, 052116 (2006).
• Effects of As and Mn doping on microstructure and electrical conduction in ZnO films, K. Lord, T.M. Williams, D. Hunter, K. Zhang, J. Dadson, and A.K. Pradhan, Appl. Phys. Lett. 88, 262105 (2006) (Selected as one of the best papers for Virtual J. of Nano Sc. & Technology).
• Photoinduced Piezooptical Effect in Er Doped ZnO films, T.M. Williams, D. Hunter, A.K. Pradhan, and I.V. Kityk, Appl. Phys. Lett. 89, 043116 (2006).
• Growth of aligned ZnO Nanorods, A.K. Pradhan, T.M. Williams, K. Zhang, D. Hunter et al, J. Nanosci. Nanotechnol. 6, 1985 (2006).
• Self-assembled nanocrystalline epitaxial manganite films on SrTiO3/Si heterostructures, D. Hunter, J.B. Dadson, K. Zhang, B. Lasley, K. Lord, T.M. Williams, R.R. Rakhimov, A.K. Pradhan, J. Zhang and D. J. Sellmyer, J. Appl. Phys. 99, 08Q307 (2006).
• Oxide-based Dilute Ferromagnetic Semiconductors: ZnMnO and Co:TiO2, A.K. Pradhan, D. Hunter, B. Lasley, J.B. Dadson, Kai Zhang, R. R. Rakhimov, J. Zhang and D. J. Sellmyer, J. Appl. Phys. 99, 08M108 (2006).
• Ferromagnetic properties in epitaxial manganite films on SrTiO3/Si heterostructures, A.K. Pradhan et al., J. Appl. Phys. 100, 033903(2006).
• Ferromagnetic resonance studies in ZnMnO dilute ferromagnetic Semiconductors, B. Lasley-Hunter, D. Hunter, Maxim Noginov, J. B. Dadson, K. Zhang, R. R. Rakhimov, and A. K. Pradhan, J. Appl. Phys. 99, 08M116 (2006).
• FMR studies on colossal magnetoresistance films: Effects of homogeneity and light illumination, R. Bah, R. R. Rakhimov, M. M. Noginov, A. K. Pradhan and N. Noginova, J.Appl.Phys.99, 08Q312 (2006).
• High temperature ferromagnetism in pulsed laser-deposited epitaxial (ZnMn)O thin films: Effects of substrate temperature, A.K. Pradhan et al.,Appl. Phys. Lett. 86, 152511 (2005). (Selected as one of the best papers for Virtual J. of Nano Sc. & Technology).
• Ferromagnetism in nanocrystalline epitaxial Co:TiO2 thin films, A.K. Pradhan et al., Appl. Phys. Lett. 86, 222503(2005). (Selected as one of the best papers for Virtual J. of Nano Sc. & Technology).
• Integration of epitaxial colossal magnetoresistive films onto Si (100) using SrTiO3 as a template layer, A.K. Pradhan et al., Appl. Phys. Lett. 86, 012503 (2005).
• Effect of Ag aggregate on spectroscopic properties of Eu:Y2O3 nanoparticles, M. A. Noginov, G. Zhu, C. Davison, A. K. Pradhan, K. Zhang, M. Bahoura, M. Codrington, V. P. Drachev, V. M. Shalaev, V. F. Zolin, J. Mod. Opt., 52, 2331 – 2341 (2005).
• Magnetic and spectroscopic characteristics of ZnMnO system, A.K. Pradhan, D. Hunter , Kai, Zhang , J.B. Dadson , S. Mohanty ,T.M. Williams, K. Lord , R.R. Rakhimov, U.N. Roy, Y. Cui, A. Burger, Jun Zhang, D.J. Sellmyer, Appl. Surf. Sci., 262, 1628 (2005).
• Magnetic and electrical properties of single-phase multiferroic BiFeO3, A.K. Pradhan, Kai Zhang, D. Hunter, J.B. Dadson, G.B. Loutts, P. Bhattacharya, R. Katiyar, Jun Zhang, D. J. Sellmyer, U.N. Roy, Y. Cui, and A. Burger, J. Appl. Phys. 97, 093903 (2005).
• Luminescence and spectroscopic behavior of Eu3+ doped Y2O3 and Lu2O3 epitaxial films grown by pulsed laser deposition. A.K. Pradhan, Kai Zhang, S. Mohanty, J. Dadson, D.Hunter, et al, J. Appl. Phys. 97, 023513 (2005).
• Lanthanum-based manganite films on MgO using SrTiO3 as a template layer, A.K. Pradhan et al., J. Appl. Phys. 96, 1170 (2004).
• Luminescence and spectroscopic behavior of Eu3+ doped Y2O3 and Lu2O3 nanopowders, ceramics and epitaxial thin films. Kai Zhang, S. Mohanty, J. Dadson, D.Hunter, A.K. Pradhan, Proc. Mat. Res. Soc. DD 9-1, 2004.
• Enhanced luminescence and size effects of Y2O3:Eu3+ nanoparticles and ceramics revealed by X-rays and Raman scattering, K. Zhang, A.K. Pradhan et al., J. Opt. Soc. Am.B 21, No.10 (2004).
• Synthesis of Nd-doped YAG nanocrystalline powders leading to transparent ceramics, A.K. Pradhan et al., Mat. Res. Bull., 39, 1291 (2004).
• Lu2O3:Eu3+ nanoparticles and processed ceramics: Structural and spectroscopic studies, K. Zhang, A.K. Pradhan et al., J. Mat. Res. 19, 2714 (2004).
• Structural and spectroscopic characteristics of ZnO:Er3+ nanostructures, A.K. Pradhan, et al., J. Phys: Cond. Mat. 16, 7123 (2004).
• Growth and magnetism of Ni nanoparticles in Ni/Al2O3/Si or Si3N4 multilayers, A.K. Pradhan, Appl. Surf. Sc. 220, 26 (2003).
• Flux pinning properties of single crystalline and dense polycrystalline MgB2, Z.X. Shi, A.K. Pradhan et al., Phys. Rev. B 68, 104514 (2003).
• La1-xBaxMnO3 epitaxial thin films by pulsed laser deposition: A consequence of strain stabilization, A.K. Pradhan et al., Appl. Phys. Lett. 81, 3597 (2002).
• Effects of site substitution and metal ion addition in doped Manganites, A.K. Pradhan et al., J. Physics: Cond. Matt., 14, 10323 (2002).
• Angle-resolved magneto-transport studies in anisotropic MgB2 single crystal, A.K. Pradhan, et al., Phys. Rev. B 65, 144513/1-5 (2002).
• Effect of sintering process on the magnetotransport properties of Ho-doped La0.67Ca0.33MnO3, D.R. Sahu, A.K. Pradhan et al., Materials Chemistry and Physics 77, 165 (2002).
• High critical current density in Ti-doped MgB2/Ta/Cu tape by powder-in-tube process, B.Q. Fu, Y. Feng, Y. Zhao, A.K. Pradhan et al. J. Appl. Phys. 92, 7341 (2002).
• Magnetic properties and Flux Pinning in Single Crystalline and Dense Polycrystalline MgB2, Z. X. Shi, A. K. Pradhan, M. Tokunaga, K. Yamazaki, T. Tamegai, Y. Takano, K. Togano, H. Kito and H. Ihara, Physica C 378-381, 550 (2002).
• Lower critical field of MgB2 measured by Hall probe, Z.X. Shi, M. Tokunaga, A.K. Pradhan et al, Physica C 370, 6 (2002).
• Fabrication and superconducting properties of MgB2 composite wires by PIT method, Y. Feng, Y. Zhao, A.K. Pradhan et al. Supercond. Sc. & Techno. 14, 12(2002).
• Enhanced flux pinning in Zr-doped MgB2 bulk superconductors prepared at ambient pressure, Y. Feng, Y. Zhao, A.K. Pradhan et al. J. Appl. Phys. 92, 2614 (2002).
• Electrical transport and anisotropic superonducting properties in single crystalline and dense polycrystalline MgB2, A.K. Pradhan et al. Phys. Rev. B 64, 212509 (2001).
• Transport behavior and critical current density of MgB2 wires, A.K. Pradhan et al, Appl. Phys. Lett. 79, 1649 (2001).
• Colossal magnetoresistance in doped Manganites: A consequence of Percolation and Phase-separation, A.K. Pradhan et al, Appl. Phys. Lett. 79, 506(2001).
• Peculiar charge-localization and cluster-spin-glass-like behavior in underdoped RBa2Cu3O7-x, A.K. Pradhan, et al., Europhys. Lett. 56, 105 (2001).
• Enhanced metal-insulator transition and magnetoresistance in melt-processed La0.67Ca0.33MnO3 and Ho-doped manganites, A.K. Pradhan et al, Appl. Phys. Lett. 78, 1598 (2001).
• Flux pinning in (Nd-Eu-Gd) and Nd-based cuprates, A.K. Pradhan et al., IEEE-Transaction (Applied Superconductivity) 11, 3706-3711 (2001).
• Influence of point defects on the vortex state of Disordered Superconductors, A.K. Pradhan, M. Muralidhar, Y. Feng, M. Murakami, K. Nakao and N. Koshizuka, Phys. Rev. B 64, 172505(2001).
• Flux pinning and Dissipation in textured multifilamentary (Bi-Pb)2Sr2Ca2Cu3Ox/Ag tapes, A.K. Pradhan et al. J. Appl. Phys. 89, 3861(2001). 74. 75. Effect of high temperature sintering schedule for enhanced CMR properties of La0.67Ca0.33MnO3 close to room temperature, B.K. Roul, D.R. Sahu, S. Mohanty, A.K. Pradhan et al, Materials Chemistry and Physics 67, 267 (2001).
• The role of oxygen on the flux pinning and vortex-phase transition in NdBa2Cu3O7x, single crystal, A.K. Pradhan, Y. Feng, S. Shibata, N. Koshizuka, Physica C 357-360, 457 (2001).
• Influence of Ho substitution for Y on flux pinning in melt-processed YBCO superconductors, Y. Feng, A.K. Pradhan et al. Physica C 357-360, 799 (2001).
• Nd/Ba substitution and oxygen deficiency effects on the pinning properties of NdBa2Cu3O7x, single crystals, S. Shibata, Y. Feng, A.K. Pradhan et al. Physica C 357-360, 523 (2001).
• Improved flux pinning in YxHo1-xBa2Cu3Oy fabricated by powder melting process, Y. Feng, A.K. Pradhan, Y. Zhao, Y. Wu, N. Koshizuka, Supercond. Sc. & Techno. 14, 224 (2001).
• Effects of oxygen content on flux pinning in Nd-Ba-Cu-O single crystals, Y. Feng, A.K. Pradhan et al., IEEE-Transaction (Applied Superconductivity) 11, 3639 (2001).