Prabhakar P. Singh


 LIST OF PUBLICATIONS:


Number of Publications: 47 papers (Journals: 37; Conference proceedings: 10).


Papers in Journals:

Preprints/in preparation


  1. Prabhakar P. Singh, Prediction of Superconductivity at ~ 30 K in Compressed, Body-Centered Cubic Yttrium, cond-mat/0607588.

  2. Prabhakar P. Singh, Electronic Structure and Electron-Phonon Interaction in Hexagonal Yttrium, cond-mat/0607176.

  3. P. J. T. Joseph and Prabhakar P. Singh, Is Deltapi-gap-only superconductivity possible in Mg1-xAlxB2 and Mg(B1-yCy)2 alloys?, cond-mat/0601675 (accepted for publication in Physica C).

  4. P. J. T. Joseph and Prabhakar P. Singh, Incipient Magnetism in the Cubic Perovskites MgCNi3 and YBRh3: A Comparison, cond-mat/0505310.

  5. Prabhakar P. Singh, Superconductivity in MgB2 and TaB2: A Full-Potential Electronic Structure Comparison, cond-mat/0104580.



Published



  1. P. J. T. Joseph and Prabhakar P. Singh, Mn and Fe Impurities in MgB2, Solid State Commun. 141, 390-393 (2007).

  2. P. J. T. Joseph and Prabhakar P. Singh, On the Propensity of Magnetism in 3d Transition-Metal-MgCNi3 Alloys, J. Magnetism and Magnetic Materials 309, 144-148 (2007).

  3. Prabhakar P. Singh, From E2g to other Modes : Effects of Pressure on Electron-Phonon Interaction in MgB2, Phys. Rev. Lett. 97, 247002 (2006).

  4. P. J. T. Joseph and Prabhakar P. Singh, A First-Principles Comparison of the Electronic Properties of MgCyNi3 and ZnCyNi3 Alloys, J. Phys.:Condens. Matter 18, 5333-5347 (2006).

  5. P. J. T. Joseph and Prabhakar P. Singh, Compositional Disorder and its Influence on the Structural, Electronic and Magnetic Properties of MgC(Ni1-xCox)3 Alloys Using First-Principles, Phys. Rev. B 72, 214206-214217 (2005).

  6. P. J. T. Joseph and Prabhakar P. Singh, Role of C in MgCxNi3 Investigated from First Principles, Phys. Rev. B 72, 064519-064525 (2005).

  7. Prabhakar P. Singh, Theoretical Study of Electron-Phonon Interaction in ZrB2 and TaB2, Phys. Rev. B 69, 094519-094523 (2004).

  8. Prabhakar P. Singh, Acoustical-Mode-Driven Electron-Phonon Coupling in Transition-Metal Diborides, Phys. Rev. B 67, 132511-132514 (2003).

  9. P. J. T. Joseph and Prabhakar P. Singh, Theoretical Study of Electronic Structure and Superconductivity in Nb1-xB2 Alloys, Physica C 391, 125-130 (2003).

  10. Prabhakar P. Singh, Relativity and Magnetism in Ni-Pd and Ni-Pt Alloys, J. Magnetism and Magnetic Materials 261, 347-352 (2003).

  11. Prabhakar P. Singh, Carbon Doping in MgB2: Role of Boron and Carbon px(y) Bands, Solid State Commun. 127, 271-274 (2003).

  12. Prabhakar P. Singh, Electron-Phonon Interaction in NbB2: A Comparison with MgB2, Solid State Commun. 125/6, 323-326 (2003).

  13. Prabhakar P. Singh, Superconductivity in MgB2 and its Alloys, Bull. Mater. Sci. 26, 1-5 (2003).

  14. Prabhakar P. Singh, Fermi-Surface-Induced Variation in Tc in MgB2 Alloys, Physica C 382, 381-385 (2002).

  15. Prabhakar P. Singh, Hole-doped, High-Temperature Superconductors LixBC, NaxBC and Cx : A Coherent-Potential-Based Prediction, Solid State Commun. 124, 25-28 (2002).

  16. Prabhakar P. Singh and P. Jiji Thomas Joseph, Theoretical Study of Magnetism and Superconductivity in 3d Transition-Metal-MgB2 Alloys, J. Phys:Condens. Matter 14, 12441-12449 (2002).

  17. P. Jiji Thomas Joseph and Prabhakar P. Singh, Effects of Disorder in Mg(1-x)Ta(x)B2 Alloys using the Coherent-Potential Approximation, Solid State Commun. 121, 467-470 (2002).

  18. Manoj K. Singh, P. P. Singh, E. Titus, D. S. Misra and F. LeNormand, High Density of Multiwalled Carbon Nanotubes observed on Nickel Electroplated Copper Substrates by Microwave Plasma Chemical Vapor Deposition, Chem. Phys. Lett. 354, 331-336 (2002).

  19. Prabhakar P. Singh, Role of Boron p-Electrons and Holes in Superconducting MgB2, and other Diborides: A Fully Relaxed, Full-Potential Electronic Structure Study, Phys. Rev. Lett. 87, 087004 (2001).

  20. Prabhakar P. Singh, The Origins of Phase Stability in Ordered and Disordered Ni-Pt Alloys, Pramana – J. Phys. 47, 99-108 (1996).

  21. Prabhakar P. Singh, Phase Diagram Calculations from First-Principles, Indian J. Pure & Appl. Phys. 34, 663-668 (1996).

  22. A. Gonis, P. P. Singh, P. E. A. Turchi, and X.-G. Zhang, Use of the Ising Model in the Study of Substitutional Alloys, Phys. Rev. B 51, 2122-2131 (1995).

  23. Marcel H. F. Sluiter and Prabhakar P. Singh, Transferable Tight-Binding Parameters: An Application to Ni and Ni-Al Alloys, Phys. Rev. B 49, 10918-10925 (1994).

  24. Prabhakar P. Singh, From Hexagonal Close-Packed to Rhombohedral Structure: Relativistic Effects in Zn, Cd, and Hg, Phys. Rev. Lett. 72, 2446-2449 (1994).

  25. Prabhakar P. Singh, Relativistic Effects in Mercury: Atom, Clusters, and Bulk, Phys. Rev. B 49, 4954-4958 (1994).

  26. Prabhakar P. Singh and A. Gonis, Electronic Structure of Metallic Alloys Using Charge-Neutral Atomic-Spheres, Phys. Rev. B 49, 1642-1646 (1994).

  27. Prabhakar P. Singh, A. Gonis, and P.E. A. Turchi, Toward a Unified Approach to the Study of Metallic Alloys: Application to the Phase Stability of Ni-Pt, Phys. Rev. Lett. 71, 1605-1608 (1993).

  28. Prabhakar P. Singh and A. Gonis, Coherent Potential Approximation in the Tight Binding Linear Muffin-Tin Orbital Method, Phys. Rev. B 48, 1989-1992 (1993).

  29. Prabhakar P. Singh and A. Gonis, Real-Space Calculations of Non-Spherically Averaged Charge Densities for Substitutionally Disordered Alloys, Phys. Rev. B 48, 2139-2151 (1993).

  30. Prabhakar P. Singh and A. Gonis, Effective Cluster Interactions Using the Generalized Perturbation Method in the Atomic-Sphere Approximation, Phys. Rev. B 47, 6744-6746 (1993).

  31. Prabhakar P. Singh and William J. Thompson, Exploring the Complex Plane: Green Functions, Hilbert Transforms, and Analytic Continuation, Computers in Physics 7, 388-392 (1993).

  32. K. M. Krishnan, E. S. K. Menon, Peter Huang, Prabhakar P. Singh, and D. de Fontaine, Short-Range Order Effects on Copper L3,2 Transitions in Cu-Pd Alloys, Appl. Phys. Lett. 60 (14), 1762-1764 (1992).

  33. Prabhakar P. Singh, D. de Fontaine, and A. Gonis, Self-Consistent-Field Korringa-Kohn-Rostoker Coherent-Potential Approximation Calculations in the Atomic-Sphere Approximation, Phys. Rev. B 44, 8578-8583 (1991).

  34. Prabhakar P. Singh, First-Principles Calculations of the Electronic Properties of 3d-Transition Metal Impurities in Aluminum, J. Phys. C 3, 3285-3300 (1991).

  35. Prabhakar P. Singh, Self-Consistent Electronic Structure of 3d-Transition Metal Impurities in Aluminum using the Recursion Method, Phys. Rev. B 43, 3975-3985 (1991).

  36. Prabhakar P. Singh, An Efficient Formulation of the Korringa-Kohn-Rostoker Method in the Coherent-Potential Approximation for Substitutionally Disordered Alloys, Solid St. Commun. 76, 1223-1227 (1990).

  37. Prabhakar P. Singh and Kian S. Dy, Evolution of Bulk-Like Properties in Mercury Microclusters, Z. Phys. D 17, 309-312 (1990).




Papers in Proceedings & Presentations:

  1. Prabhakar P. Singh, First Principles Phase Stability Study of Metallic Alloys, Proceedings of the conference on “ Frontiers in Materials Modeling and Design”, edited by V. Kumar, S. Sengupta and B. Raj (springer-Verlag, 1998).

  2. Prabhakar P. Singh and A. Gonis, Electronic Structure of Ordered and Disordered Alloys in the Atomic-Sphere Approximation, Proceedings of the TMS fall meeting on “Alloy Modeling and Design” held in Pittsburgh, October 17-21, 1993.

  3. A. Gonis and Prabhakar P. Singh, Generalized Perturbation Method Expansion of the Total Energy of Substitutional Alloys, Proceedings of the TMS fall meeting on “Alloy Modeling and Design” held in Pittsburgh, October 17-21, 1993.

  4. Prabhakar P. Singh and A. Gonis, Real-Space Calculations of Non-Spherically Averaged Charge Densities for Substitutionally Disordered Alloys, Proceedings of the NATO-ARW on “Metallic Alloys: Experimental and Theoretical Perspectives”, edited by J. S. Faulkner and R. G. Jordan (Kluwer Academic Publishers, Boston, 1994)p. 433-439.

  5. A. Gonis, Prabhakar P. Singh and P. E. A. Turchi, , Generalized Perturbation Method Expansion of the Total Energy of Substitutional an Alloy, Proceedings of the NATO-ARW on “Metallic Alloys: Experimental and Theoretical Perspectives”, edited by J. S. Faulkner and R. G. Jordan (Kluwer Academic Publishers, Boston, 1994)p. 197-204.

  6. Marcel H. F. Sluiter and Prabhakar P. Singh, Transferable Tight-Binding Parameters: An Application to Ni and Ni-Al Alloys, Proceedings of the NATO-ARW on “Metallic Alloys: Experimental and Theoretical Perspectives”, edited by J. S. Faulkner and R. G. Jordan (Kluwer Academic Publishers, Boston, 1994)p. 187-196.

  7. P. E. A. Turchi, Prabhakar P. Singh M. Sluiter G. M. Stocks, Phase Stability from Electronic Structure of Ordered and Disordered Alloys, Proceedings of the NATO-ARW on “Metallic Alloys: Experimental and Theoretical Perspectives”, edited by J. S. Faulkner and R. G. Jordan (Kluwer Academic Publishers, Boston, 1994)p. 177-186.

  8. Prabhakar P. Singh, A. Gonis, and D. de Fontaine, Self-Consistent-KKR-CPA Calculations in the Atomic-Sphere Approximation, Mat. Res. Soc. Sym. Proc. 253, 221-226 (1992).

  9. Prabhakar P. Singh, Mark Asta, Didier de Fontaine, and Mark van Schilfgaarde, Ground State Properties of the Al-Ti System, Mat. Res. Soc. Sym. Proc. 186, 41 (1991).

  10. M. Asta, M. Sluiter, Prabhakar P. Singh, D. de Fontaine, T. Hong and A. J. Freeman, First-Principles Study of the Phase Stability in the Al-Ti System, Mat. Res. Soc. Sym. Proc. 186, 33-39 (1991).

  11. A Theoretical Study of Impurity States in Metals- Ph. D. dissertation submitted to the Graduate School of University of North Carolina, 1989 (Research Advisor K. S. Dy).

  12. Tetrahedrally Bonded Amorphous Semiconductors – Masters Thesis presented to the department of Physics at Indian Institute of Technology, Kanpur, 1981 (Research Advisor S. C. Agarwal).


Presentations:


  1. Prabhakar P. Singh, Superconductivity in MgB2 and its Alloys, first conference of Asian Consortium for Computational Materials Science (ACCMS-1) , IISc, Bangalore, India, Nov. 29-Dec. 1, 2001.

  2. R. Vijaya and Prabhakar P. Singh, Inverted Opals as Photonic Band Gap Materials at Visible Wavelengths, National Laser Symposium, Central University, Hyderabad, Dec. 15-17, (1999).

  3. Prabhakar P. Singh and A. Gonis, Real-Space Calculations of Non-Spherically Averaged Charge Densities for Substitutionally Disordered Alloys, Bulletin of the Am. Phy. Soc. 38, 256 (1993).

  4. M. Sluiter, P. P. Singh, and P. E. A. Turchi, Trends in Tight-Binding Parameters in Binary Alloys, Bulletin of the Am. Phy. Soc. 38, 256 (1993).

  5. A. Gonis et al., KKR-CPA Study of Al-Li Alloys in the Atomic-Sphere Approximation, Bulletin of the Am. Phy. Soc. 37, 497 (1992).

  6. Prabhakar P. Singh et al., KKR-CPA-GPM Study of Alloy Phase Stability in the Atomic-Sphere Approximation, Bulletin of the Am. Phy. Soc. 37, 504 (1992).

  7. Prabhakar P. Singh, A. Gonis, and D. de Fontaine, Charge Self-Consistent KKR-ASA-CPA Calculations of Cu-Pd Alloys, Bulletin of the Am. Phy. Soc. 36, 619 (1991).

  8. M. Asta, Prabhakar P. Singh, and D. de Fontaine, Study of Stable Ground States in the Cu-Au-Pd System, Bulletin of the Am. Phy. Soc. 36, 522 (1991).

  9. Prabhakar P. Singh, and D. de Fontaine, Linear Muffin-Tin Orbital Method in the Coherent Potential Approximation for Substitutionally Disordered Alloys, Bulletin of the Am. Phy. Soc. 35, 468 (1990).

  10. M. Asta, M. Sluiter, D. de Fontaine, T. Hong, Prabhakar P. Singh and A. J. Freeman, Ab Initio Study of Phase Stability in the Al-Ti System, Bulletin of the Am. Phy. Soc. 35, 576 (1990).

  11. Prabhakar P. Singh and W. J. Thompson, Unified Approach to the Aharonov-Bohm Effect, Bulletin of the Am. Phy. Soc. 30, 1768 (1985).

  12. Prabhakar P. Singh and W. J. Thompson, Angular Momentum Algebra using Symbolic Manipulation Program, Bulletin of the Am. Phy. Soc. 29, 1492 (1984).