Ratnakar Palai

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Nanoscientist

University of Puerto Rico, Río Piedras Campus

Picture of Ratnakar Palai

Phone

+1-787-764-0000 ext. 7738, 5846

E-mail

r.palai uprrp edu

Education

Appointments

2008–present Assistant Professor, University of Puerto Rico, San Juan, PR, United States
2008–present Scientist (Adjunct Faculty), Institute for Functional Nanomaterials, San Juan, PR, United States
2006–2008 Research Faculty/Postdoctoral Research Fellow, University of Puerto Rico, San Juan, PR, United States
2004–2006 Postdoctoral Research Fellow, University of Birmingham, Birmingham, England, United Kingdom
1998–2000 Reseach Assistant, Indian Institute of Technology, Kharagpur, WB, India

Publications

  1. H. Huhtinen, R. S. Katiyar, R. Palai, and J. F. Scott, "Observation of spin-glass-like behavior in SrRuO3 epitaxial thin Films", Physical Review B, 79, 104413 (2009)
  2. G. Catalan, S. Clark, R. S. Katiyar, R. Palai, S. Redfern, J. Robertson, H. Schmid, J. Scott, and P. Tissot, "Beta Phase and Beta-Gamma Metal-Insulator Transition of Multiferroic Bismuth Ferrite", Physical Review B, 77, 014110 (2008)
  3. H. Ishiwara, K. Muruyama, R. Palai, and S. Singh, "Effects of Ni Substitution on Structural, Dielectrical, and Ferroelectric Properties of Chemical-Solution-Deposited Multiferroic BiFeO3 Films", Electrochemical and Solid-State Letters,, 11, G30 (2008)
  4. N. K. Karan, R. S. Katiyar, R. Melgarejo, N. M. Murari, R. Palai, D. K. Pradhan, J. J. Saavedra-Arias, and R. Thomas, "Metal-ferroelectric-insulator-semiconductor (MFIS) devices based on DyScO3 buffer layer and ferroelectric Bi3.25Nd0.75Ti3O12 thin film", ECS Transactions, 13, 363 (2008)
  5. R. I. Chakalova, H. Huhtinen, I. P. Jone, C. M. Muirhead, R. Palai, and T. T. Tse, "Microstructural studies of La0.7Ca0.3MnO3 (LCMO) films on different (110) substrates deposited by pulsed laser deposition", Journal of Physics Conference Series, 126, 12051 (2008)
  6. N. K. Karan, R. S. Katiyar, A. Kumar, N. M. Murari, R. Palai, J. F. Scott, and M. K. Singh, "New Phase Transitions in Perovskite Oxides: BiFeO3, SrSnO3, and Pb(Fe2/3W1/3)1/2Ti1/2O3, ", Journal of American Ceramic Society, 91, 1762 (2008)
  7. R. S. Katiyar, R. Palai, S. P. Pavunny, and R. M. Valdes, "Raman spectroscopy and magnetoelectric properties of laser ablated La and Cr doped BiFeO3 thin films", 17th IEEE International Symposium on the Applications of Ferroelectrics (ISAF), , 2, (2008)
  8. R. Chakalova, M. Colclough, X. Deng, H. Huhtinen, I. Jones, M. Joshi, C. Muirhead, R. Palai, and Y. Tse, "Search for spin-polarisation effects in LCMO/YBCO thin film bilayers", Physical Review B, 77, 144528 (2008)
  9. R. S. Katiyar, R. Martínez, and R. Palai, "Structural, dielectric, electric and ferroelectric properties of different routes derived of Ba1-xSrxTiO3 (BSTO) ceramics", 17th IEEE International Symposium on the Applications of Ferroelectrics (ISAF), 1, (2008)
  10. R. S. Katiyar, R. Martinez, and R. Palai, "Synthesis and characterization of Pb(Fe1/2Ta1/2)O3", Mater. Res. Soc. Symp. Proc. , 1034, K10-48 (2008)

Grants

  1. R. Palai and J. Velev. Understanding of Growth and Interface Properties of GaN-based Magnetic Semiconductor Heterostructures, National Science Foundation, Electronic and Photonic Materials , 3 years, September 2009, Multiple PIs, Pending, $264,000.
  2. R. Palai. Fabrication and characterization of GaN-based magnetic semiconductor heterostructures for spintronic applications, Other, FIPI, UPR-RP, 2 years, July 2009, Single PI, Pending, $10,000.
  3. C. Holvick-Thomas and R. Palai. High Efficiency Stretchable Photovoltaic for Forces, United States Department of Defense, STTR, 1 year, June 2009, Multiple PIs, Pending, $100,000.
  4. R. Palai. Fabrication and Characterization of GaN-based Magnetic Semiconductor Superlattices for Spintronic Applications, National Aeronautics and Space Administration, NASA PR Space Grant Consortium 2009-2010, 2 years, May 2009, Single PI, Approved, $30,000.
  5. R. Palai. CAREER: Design and Fabrication of Thin Film Nanostructures for Spintronic Applications , National Science Foundation, CCREER, 5 years, March 2009, Single PI, Pending, $420,000.
  6. O. Auciello, S. Bader, D. Bonnell, S. Desu, L. F. Fonseca, M. Gómez, S. Hong, Y. Ishikawa, R. S. Katiyar, V. Makarov, A. R. Mayol, G. Morell, W. Otaño, R. Palai, O. J. Perales, A. Petford-Long, R. Ramesh, A. Rastogi, R. Thomas, and M. S. Tomar. Development and Understanding of Multifunctional Nanostructures for Spintronics and Magnetoelectrics Applications, United States Department of Energy, EPSCoR, 3 years, September 2008, Multiple PIs, Approved, $2,245,000.
  7. R. Palai. Fabrication and Characterization of Nanostructured Devices, Other, Start-up, 2 years, July 2008, Single PI, Approved, $200,000.

Presentations

  1. R. Calsada, R. S. Katiyar, R. Martínez, S. P, and R. Palai (April 2009) "Microstructure Analysis and Multiferroic Properties of La0.67Sr0.33MnO3/Ba0.7Sr0.3TiO3 Superlattices Grown on (001) MgO" in Materials Research Society Spring Meeting.
  2. R. Palai (February 2009) "Dynamics of phase transition and phonon-magnon coupling in multiferroic BiFeO3" in Department of Physics, University of Nebraska, Lincoln.
  3. R. Palai (December 2008) "Quantum Computation: Fundamental Understanding and Realization" in Department of Mathematics and Computer Science,University of Puerto Rico Rio Piedras.
  4. R. Calzada, R. S. Katiyar, R. Martinez, R. Palai, and S. Pavunny (December 2008) "Magneto-electrical properties of La2/3Sr1/3MnO3 /BiFeO3 Heterostructures" in Materials Research Society (MRS), Fall Meeting .
  5. R. Calasada, R. S. Katiyar, R. Martinez, R. Palai, and S. Pavuuny (December 2008) "Magnetoelectric Properties of Pulsed Laser Deposited Ferroelectric/Ferromagnetic Heterostructures" in Materials Research Society (MRS), Fall Meeting .
  6. R. S. Katiyar, R. Martinez, R. Palai, S. Pavuuny, and S. Singh (February 2008) "Observation of structural Phase transition in La-doped multiferroic BiFeO3 thin films " in International Symposium on Applied Ferroelectrics (ISAF).
  7. R. S. Katiyar, R. Palai, and H. Schmid (February 2008) "Polarized Raman scattering and magnetic properties of ferroelectric single domain crystal and thin film " in International Symposium on Applied Ferroelectrics (ISAF).
  8. R. S. Katiyar, R. Palai, S. P. Pavunny, and R. M. Valdes (February 2008) "Raman spectroscopy and magnetoelectric properties of laser ablated La and Cr doped BiFeO3" in 17thInternational Symposium on Applications of Ferroelectrics (ISAF).
  9. R. S. Katiyar, R. Martinez, and R. Palai (February 2008) "Structural, dielectric, electrical, and ferroelectric properties of Ba1-xSrxTiO3 ceramics synthesized by different routes " in International Symposium on Applied Ferroelectrics (ISAF),.
  10. R. S. Katiyar, R. Martinez, and R. Palai (February 2008) "Structural, dielectric, electrical, and ferroelectric properties of Ba1-xSrxTiO3 ceramics synthesized by different routes" in 17thInternational Symposium on Applications of Ferroelectrics (ISAF).
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