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Publications

Manuscripts in progress

  1. X.-G. Zhang, W.H. Butler, and P. LeClair, Physics of Spintronics, Taylor & Francis (book)
  2. P. LeClair, K.V.R.M. Murali, and J.S. Moodera, Integration of spin filters with low-dimensional semiconductors: Towards spin-based devices and computing
  3. W. Xu, P. LeClair, and G.J. Szulczewski, Spin-dependent scattering by organic radicals

Completed manuscripts

  1. P. LeClair, Mike Wofsey, J. Kuykendall, and D. Whitcomb, A low-cost system for introducing students to circuits and electrical properties, Am. J. Phys., in press
  2. P. LeClair and J.S. Moodera, Tunneling Magnetoresistance: Experiment (Non-MgO), in "Spin Transport and Magnetism in Electronic Systems," Eds. E.-Tsymbal and I.-Zutic, Taylor & Francis (book chapter)
  3. Jinwen Wang, Manjit Pathak, Xing Zhong, Patrick LeClair, Tonya M Klein, Arunava Gupta, Epitaxial Film Growth of Chromium Dioxide by Low Pressure Chemical Vapor Deposition using Chromium Carbonyl, Thin Solid Films (under review)
  4. M. Pathak, H. Sato, X. Zhang, K. Chetry, D. Mazumdar, P. LeClair, and A. Gupta, Substrate-induced strain and its effect in CrO2 thin films, J. Appl. Phys. (under review)
  5. M. Pathak, X. Zhong, J. Wang, X. Zhang, T.M. Klein, P. LeClair, and A. Gupta, Comparing magnetotransport and surface magnetic properties of half-metallic CrO2 films grown by low pressure and atmospheric pressure chemical vapor deposition, Appl. Phys. Lett., 96, 112507 (2010)
  6. M. Pathak, H. Sims, K. Chetry, D. Mazumdar, P. LeClair, G.J. Mankey, W.H. Butler, and A. Gupta, Robust room temperature magnetism of (110) CrO2 thin films, Phys. Rev. B., 80, 212405 (2009)
  7. P. Padhan, P. LeClair, A. Gupta, M.A. Subramanian, and G. Srinivasan Magnetodielectric effect in Bi2NiMnO6-La2NiMnO6 superlattices, J. Phys. Cond. Mat. 21, 306004 (2009)
  8. Z. Lu, M.J. Walock, P. LeClair, W.H. Butler, and G.J. Mankey Controlling Magnetic Anisotropy in Epitaxial FePt(001) Films, J. Vac. Sci. Tech. 27, 1067 (2009)
  9. Z. Lu, M.J. Walock, P.R. LeClair, G.J. Mankey, P. Mani, D. Lott, F. Klose, H. Ambaye, V. Lauter, M. Wolff, A. Schreyer, H.M. Christen, B.C. Sales, Structural and Magnetic Properties of Epitaxial Fe75Pt25, J. Vac. Sci. Tech. A, 27, 770 (2009)
  10. K.B. Chetry, M. Pathak, P. LeClair, and A. Gupta, Structural and Magnetic Properties of (100) and (110)-Oriented Epitaxial CrO2 films, J. Appl. Phys. 105, 83925 (2009)
  11. P. LeClair, Introduction to Electromagnetism and Optics, supplemental/replacement text for Physics 102 at UA. In use as a supplemental text since the fall 2007 semester. Available as a free PDF online.
  12. H. Lee, L. Wen, M. Pathak, P. Janssen, P. LeClair, C. Alexander, C.K.A. Mewes, T. Mewes, Spin Pumping in Co56Fe24B20 Multilayer Systems, J. Phys. D., 41, 215001 (2008)
  13. P. Padhan, P. LeClair, A. Gupta, and G. Srinivasan, Magnetodielectric response in epitaxial thin films of multiferroic Bi2NiMnO6, J. Phys. Cond. Mat. 20, 355003 (2008)
  14. Zeenath R. Tadisina, Subhadra Gupta, Patrick LeClair, Tim Mewes, Thermal Stability of Synthetic Antiferromagnet and Hard Magnet Coupled Spin Valves, J. Vac. Sci. Technol. A 26, 735 (2008)
  15. P. Padhan, H.Z. Guo, P. LeClair, and A. Gupta, Dielectric relaxation and magnetodielectric response in epitaxial thin films of La2NiMnO6, Appl. Phys. Lett. 92, 022909 (2008)
  16. K.I. Lee, S.J. Joo, J.H. Lee, K. Rhie, Tae-Suk Kim, W.Y. Lee, K.H. Shin, B.C. Lee, P. LeClair, J.-S. Lee, and J.-H. Park, Kondo effect in magnetic tunnel junctions, Phys. Rev. Lett. 98, 107202 (2007)
  17. P. Padhan, P. LeClair, A. Gupta, K. Tsunekawa, and D.D. Djayaprawira, Frequency-dependent magnetoresistance and magnetocapacitance properties of magnetic tunnel junctions with MgO tunnel barrier, Appl. Phys. Lett. 90, 142105 (2007)
  18. W. Xu, G.J. Szulczewski, P. LeClair, I. Navarrete, R. Schad, G. Miao, H. Guo, and A. Gupta, Tunneling Magnetoresistance observed in La0.67Sr0.33MnO3/organic molecule/Co junctions, Appl. Phys. Lett. 90, 072506 (2007)
  19. G.X. Miao, P. LeClair, A. Gupta, G. Xiao, M. Varela, S. Pennycook, Magnetic tunnel junctions based on CrO2/SnO2 epitaxial bilayers, Appl. Phys. Lett. 89, 022511 (2006)
  20. N. Theodoropoulou, V. Misra, J. Philip, P. LeClair, G.P. Berera, J.S. Moodera, B. Satpati, and T. Som, High-temperature ferromagnetism in Zn1-xMnxO semiconductor thin films, J. Magn. Magn. Mater. 300, 407-411 (2006)
  21. J. Philip, A. Punnoose, B.I. Kim, K.M. Reddy, S. Layne, J.O. Holmes, B. Satpati, P.R. LeClair, T.S. Santos, and J.S. Moodera, Carrier-controlled ferromagnetism in transparent oxide semiconductors, Nature Materials 5, 298-304 (2006)
  22. P. LeClair, J.S. Moodera, J. Philip, D. Heiman, Coexistence of ferromagnetism and superconductivity in Ni/Bi bilayers, Phys. Rev. Lett. 94, 037006 (2005)
  23. P. LeClair, H.J.M. Swagten, J.S. Moodera, Spin polarized electron tunneling, in "Ultrathin Magnetic Structures III: Fundamentals of Nanomagnetism," Eds. B. Heinrich and J.A.C. Bland, Springer, Berlin (2005) book chapter
  24. J. Philip, D. Wang, M. Muenzenberg, P. LeClair, B. Diouf, J.S. Moodera, and J.G. Lu, Fabrication and Characterization of ferromagnetic single electron Transistors, J. Magn. Magn. Mater, 272, 1949 (2004)
  25. P. LeClair and J.S. Moodera, Spin Electronics - a Quantum Leap, Nature Materials 2, 707 (2003) (News and Views section)
  26. H. Wieldraaijer, J.T. Kohlhepp, P. LeClair, K. Ha, W.J.M. de Jonge, Growth of Epitaxial bcc-Co(001) Electrodes for Magnetoresistive Devices, Phys. Rev. B, 67, 224430 (2003)
  27. E.Y. Tsymbal, O.N. Mryasov, P. LeClair, Spin-Dependent Tunneling in Magnetic Tunnel Junctions, J. of Phys: Cond. Matt., 15, R100 (2003) (review article)
  28. C.H. Kant, O. Kurnosikov, A.T. Filip, P. LeClair, H.J.M. Swagten, and W.J.M. de Jonge, Origin of spin-polarization decay in point-contact Andreev reflection, Phys. Rev. B, 66, 212403 (2002)
  29. H. Wieldraaijer, P. LeClair, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge, Influence of electrode structure on magnetotransport in magnetic tunnel junctions, IEEE Trans. Magn. 38, 2727 (2002)
  30. A.T. Filip, P. LeClair, C.J.P. Smits, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge, Spin-injection device based on EuS magnetic tunnel barriers, Appl. Phys. Lett., 81, 1815 (2002)
  31. M. van Kampen, C. Josza, J.T. Kohlhepp, P. LeClair, L. Lagae, W.J.M. de Jonge, and B.  Koopmans, All-optical probe of coherent spin waves, Phys. Rev. Lett., 88, 227201 (2002)
  32. P. LeClair, J.T. Kohlhepp, C.H. van de Vin, H. Wieldraaijer, H.J.M. Swagten, and W.J.M. de Jonge, Band Structure and Density of States Effects in Co-Based Magnetic Tunnel Junctions, Phys. Rev. Lett., 88, 107201 (2002)
  33. J.T. Kohlhepp, P. LeClair, H.J.M. Swagten, and W.J.M. de Jonge. Interfacial Sensitivity and Zero-Bias Anomalies in Magnetic Tunnel Junctions, Phys. Stat. Sol., 189, 585 (2002, editor's choice)
  34. P. LeClair, J.K. Ha, H.J.M. Swagten, C.H. van de Vin, J.T. Kohlhepp and W.J.M. de Jonge, Large magnetoresistance using spin filter injection, Appl. Phys. Lett. 80, 625 (2002)
  35. O. Kurnosikov, F.C. de Nooij, P. LeClair, J.T. Kohlhepp, B. Koopmans, H.J.M. Swagten, and W.J.M. de Jonge. STM-induced reversible switching of local conductivity in thin Al2O3 films, Phys. Rev. B, 64, 153407 (2001)
  36. P. LeClair, H. Wieldraaijer, B. Hoex, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge. Sign reversal of spin polarization in Co/Ru/Al2O3/Co magnetic tunnel junctions, Phys. Rev. B. 64, 100406(R) (2001)
  37. K. Knechten, P. LeClair, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge. In situ time resolved studies of Al oxidation, J. Appl. Phys. 90, 1675-1677 (2001)
  38. A.H. Davis, J.M. MacLaren, and P. LeClair. Inherent Temperature Effects in Magnetic Tunnel Junctions, J. Appl. Phys. 89, 7567-7569 (2001)
  39. P. LeClair, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge. Interfacial Density of States in Magnetic Tunnel Junctions, Phys. Rev. Lett. 86, 1066-1069 (2001)
  40. P. LeClair, G.P. Berera, J.S. Moodera. Titanium Nitride Thin Films Obtained by a Modified Physical Vapor Deposition Process, Thin Solid Films, 376, 9 (2000)
  41. P. LeClair, H.J.M. Swagten, J.T. Kohlhepp, and W.J.M. de Jonge. Tunnel Conductance as a Probe of Spin Polarization Decay in Cu Dusted Co-Al2O3-Co Tunnel Junctions, Appl. Phys. Lett. 76, 3783-3785 (2000)
  42. P. LeClair, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge. Optical and in situ characterization of plasma oxidized Al for magnetic tunnel junctions, J. Appl. Phys. 87, 6073 (2000)
  43. P. LeClair, H.J.M. Swagten, J.T. Kohlhepp, R.J.M. van de Veerdonk, and W.J.M. de Jonge. Apparent Spin Polarization Decay in Cu-Dusted Co-Al2O3-Co Tunnel Junctions, Phys. Rev. Lett. 84, 2933-2936 (2000)
  44. J.S. Moodera, L.R. Kinder, J. Nowak, P. LeClair, and R. Meservey. Geometrically Enhanced Magnetoresistance in Ferromagnet-Insulator-Ferromagnet Tunnel-Junctions, Appl. Phys. Lett. 69, 708-710 (1996)
  45. P. LeClair, J.S. Moodera, and R. Meservey. Ferromagnetic-Ferromagnetic Tunneling and the Spin Filter Effect, J. Appl. Phys. 75, 6546-6518 (1994)

Patents

  1. Co-author, Tunnel junction device for storage and switching of signals, US Patent No. 5835314. Nov 10, 1998.
  2. Co-author, Geometrically enhanced magnetoresistance in trilayer tunnel junctions, World Patent No. WO 97/39488. Oct 23, 1997.

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