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Publications

  1. Alanko, G. A.; Thurber, A.; Hanna, C. B.; Punnoose, A., Size, surface structure, and doping effects on ferromagnetism in SnO2. Journal of Applied Physics 2012, 111 (7), 3.
  2. Beausoleil, G. L.; Thurber, A.; Rao, S. S.; Alanko, G.; Hanna, C. B.; Punnoose, A., Concentration dependence of magnetic moment in Ce1-xFexO2. Journal of Applied Physics 2012, 111 (7).
  3. Thurber, A. P.; Alanko, G.; Beausoleil, G. L.; Dodge, K. N.; Hanna, C. B.; Punnoose, A., Unusual crystallite growth and modification of ferromagnetism due to aging in pure and doped ZnO nanoparticles. Journal of Applied Physics 2012, 111 (7).
  4. Thurber, A.; Wingett, D. G.; Rasmussen, J. W.; Layne, J.; Johnson, L.; Tenne, D. A.; Zhang, J. H.; Hanna, C. B.; Punnoose, A., Improving the selective cancer killing ability of ZnO nanoparticles using Fe doping. Nanotoxicology 2012, 6 (4), 440-452.
  5. Zhang, J. H.; Dong, G. J.; Thurber, A.; Hou, Y. Y.; Gu, M.; Tenne, D. A.; Hanna, C. B.; Punnoose, A., Tuning the Properties of ZnO, Hematite, and Ag Nanoparticles by Adjusting the Surface Charge. Advanced Materials 2012, 24 (9), 1232-1237.
  6. Young, J. L.; Harris, J. D.; Benjamin, J. A.; Fitch, J. E.; Nogales, D. F.; Walker, J. R.; Frost, B. J.; Thurber, A.; Punnoose, A., Synthesis and characterization of chromium-isothiocyanate-4-methylpyridine complexes. Inorganica Chimica Acta 2011, 377 (1), 14-19.
  7. Thurber, A. P.; Beausoleil, G. L.; Alanko, G. A.; Anghel, J. J.; Jones, M. S.; Johnson, L. M.; Zhang, J. H.; Hanna, C. B.; Tenne, D. A.; Punnoose, A., Magnetism of ZnO nanoparticles: Dependence on crystallite size and surfactant coating. Journal of Applied Physics 2011, 109 (7).
  8. Anghel, J.; Thurber, A.; Tenne, D. A.; Hanna, C. B.; Punnoose, A., Correlation between saturation magnetization, bandgap, and lattice volume of transition metal (M=Cr, Mn, Fe, Co, or Ni) doped Zn(1-x)M(x)O nanoparticles. Journal of Applied Physics 2010, 107 (9).
  9. Feris, K.; Otto, C.; Tinker, J.; Wingett, D.; Punnoose, A.; Thurber, A.; Kongara, M.; Sabetian, M.; Quinn, B.; Hanna, C.; Pink, D., Electrostatic Interactions Affect Nanoparticle-Mediated Toxicity to Gram-Negative Bacterium Pseudomonas aeruginosa PAO1. Langmuir 2010, 26 (6), 4429-4436.
  10. Johnson, L. M.; Thurber, A.; Anghel, J.; Sabetian, M.; Engelhard, M. H.; Tenne, D. A.; Hanna, C. B.; Punnoose, A., Transition metal dopants essential for producing ferromagnetism in metal oxide nanoparticles. Physical Review B 2010, 82 (5).
  11. Sun, C. V.; Gardner, J. S.; Long, G.; Bajracharya, C.; Thurber, A.; Punnoose, A.; Rodriguez, R. G.; Pak, J. J., Controlled Stoichiometry for Quaternary CuInxGa1-xS2 Chalcopyrite Nanoparticles from Single-Source Precursors via Microwave Irradiation. Chemistry of Materials 2010, 22 (9), 2699-2701.
  12. Zhang, J. H.; Thurber, A.; Hanna, C.; Punnoose, A., Highly Shape-Selective Synthesis, Silica Coating, Self-Assembly, and Magnetic Hydrogen Sensing of Hematite Nanoparticles. Langmuir 2010, 26 (7), 5273-5278.
  13. Zhang, J. H.; Thurber, A.; Tenne, D. A.; Rasmussen, J. W.; Wingett, D.; Hanna, C.; Punnoose, A., Enhanced Dye Fluorescence in Novel Dye-ZnO Nanocomposites. Advanced Functional Materials 2010, 20 (24), 4358-4363.
  14. Golub, V.; Reddy, K. M.; Chernenko, V.; Mullner, P.; Punnoose, A.; Ohtsuka, M., Ferromagnetic resonance properties and anisotropy of Ni-Mn-Ga thin films of different thicknesses deposited on Si substrate. Journal of Applied Physics 2009, 105 (7).
  15. Hanley, C.; Thurber, A.; Hanna, C.; Punnoose, A.; Zhang, J. H.; Wingett, D. G., The Influences of Cell Type and ZnO Nanoparticle Size on Immune Cell Cytotoxicity and Cytokine Induction. Nanoscale Research Letters 2009, 4 (12), 1409-1420.
  16. Manoj, E.; Kurup, M. R. P.; John, R. P.; Nethaji, M.; Punnoose, A., Formation of an unusual copper(II) complex from the degradation of a novel tricopper(II) carbohydrazone complex. Inorganic Chemistry Communications 2009, 12 (10), 952-955.
  17. Manoj, E.; Kurup, M. R. P.; Punnoose, A., Preparation, magnetic and EPR spectral studies of copper(II) complexes of an anticancer drug analogue. Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy 2009, 72 (3), 474-483.
  18. Misra, S. K.; Andronenko, S. I.; Punnoose, A.; Tipikin, D.; Freed, J. H., A 236 GHz Fe3+ EPR Study of Nanoparticles of the Ferromagnetic Room-Temperature Semiconductor Sn1-x Fe (x) O-2 (x=0.005). Applied Magnetic Resonance 2009, 36 (2-4), 291-295.
  19. Misra, S. K.; Andronenko, S. I.; Rao, S.; Bhat, S. V.; Van Komen, C.; Punnoose, A., Cr3+ electron paramagnetic resonance study of Sn(1-x)CrxO(2) (0.00 <= x <= 0.10). Journal of Applied Physics 2009, 105 (7).
  20. Punnoose, A.; Reddy, K. M.; Hays, J.; Thurber, A.; Andronenko, S.; Misra, S. K., Dopant Spin States and Magnetic Interactions in Transition Metal (Fe3+)-Doped Semiconductor Nanoparticles: An EMR and Magnetometric Study. Applied Magnetic Resonance 2009, 36 (2-4), 331-345.
  21. Sun, C.; Gardner, J. S.; Shurdha, E.; Margulieux, K. R.; Westover, R. D.; Lau, L.; Long, G.; Bajracharya, C.; Wang, C. M.; Thurber, A.; Punnoose, A.; Rodriguez, R. G.; Pak, J. J., A High-Yield Synthesis of Chalcopyrite CuInS2 Nanoparticles with Exceptional Size Control. Journal of Nanomaterials 2009.
  22. Thurber, A.; Reddy, K. M.; Punnoose, A., Influence of oxygen level on structure and ferromagnetism in Sn0.95Fe0.05O2 nanoparticles. Journal of Applied Physics 2009, 105 (7).
  23. Van Komen, C.; Punnoose, A.; Seehra, M. S., Transition from n-type to p-type destroys ferromagnetism in semiconducting Sn1-xCoxO2 and Sn1-xCrxO2 nanoparticles. Solid State Communications 2009, 149 (47-48), 2257-2259.
  24. Wang, H.; Wingett, D.; Engelhard, M. H.; Feris, K.; Reddy, K. M.; Turner, P.; Layne, J.; Hanley, C.; Bell, J.; Tenne, D.; Wang, C.; Punnoose, A., Fluorescent dye encapsulated ZnO particles with cell-specific toxicity for potential use in biomedical applications. Journal of Materials Science-Materials in Medicine 2009, 20 (1), 11-22.
  25. Hanley, C.; Layne, J.; Punnoose, A.; Reddy, K. M.; Coombs, I.; Coombs, A.; Feris, K.; Wingett, D., Preferential killing of cancer cells and activated human T cells using ZnO nanoparticles. Nanotechnology 2008, 19 (29).
  26. Misra, S. K.; Andronenko, S. I.; Engelhard, M. H.; Thurber, A.; Reddy, K. M.; Punnoose, A., Role of dopant incorporation on the magnetic properties of Ce(1-x)Ni(x)O(2) nanoparticles: An electron paramagnetic resonance study. Journal of Applied Physics 2008, 103 (7).
  27. Van Komen, C.; Thurber, A.; Reddy, K. M.; Hays, J.; Punnoose, A., Structure-magnetic property relationship in transition metal (M=V,Cr,Mn,Fe,Co,Ni) doped SnO(2) nanoparticles. Journal of Applied Physics 2008, 103 (7).
  28. Hays, J.; Reddy, K. M.; Graces, N. Y.; Engelhard, M. H.; Shutthanandan, V.; Luo, M.; Xu, C.; Giles, N. C.; Wang, C.; Thevuthasan, S.; Punnoose, A., Effect of Co doping on the structural, optical and magnetic properties of ZnO nanoparticles. Journal of Physics-Condensed Matter 2007, 19 (26).
  29. Manoj, E.; Kurup, M. R. P.; Fun, H. K.; Punnoose, A., Self-assembled macrocyclic molecular squares of Ni(II) derived from carbohydrazones and thiocarbohydrazones: Structural and magnetic studies. Polyhedron 2007, 26 (15), 4451-4462.
  30. Misra, S. K.; Andronenko, S. I.; Reddy, K. M.; Hays, J.; Thurber, A.; Punnoose, A., A variable temperature Fe3+ electron paramagnetic resonance study of Sn1-xFexO2 (0.00 <= x <= 0.05). Journal of Applied Physics 2007, 101 (9).
  31. Punnoose, A.; Reddy, K. M.; Thurber, A.; Hays, J.; Engelhard, M. H., Novel magnetic hydrogen sensing: a case study using antiferromagnetic haematite nanoparticles. Nanotechnology 2007, 18 (16).
  32. Reddy, K. M.; Benson, R.; Hays, J.; Thurber, A.; Engelhard, M. H.; Shutthanandan, V.; Hanson, R.; Knowlton, W. B.; Punnoose, A., On the room-temperature ferromagnetism of Zn1-xCrxO thin films deposited by reactive co-sputtering. Solar Energy Materials and Solar Cells 2007, 91 (15-16), 1496-1502.
  33. Reddy, K. M.; Feris, K.; Bell, J.; Wingett, D. G.; Hanley, C.; Punnoose, A., Selective toxicity of zinc oxide nanoparticles to prokaryotic and eukaryotic systems. Applied Physics Letters 2007, 90 (21).
  34. Reddy, K. M.; Hays, J.; Kundu, S.; Dua, L. K.; Biswas, P. K.; Wang, C.; Shutthanandan, V.; Engelhard, M. H.; Mathew, X.; Punnoose, A., Effect of Mn doping on the structural, morphological, optical and magnetic properties of indium tin oxide films. Journal of Materials Science-Materials in Electronics 2007, 18 (12), 1197-1201.
  35. Reddy, K. M.; Punnoose, A., Mapping ferromagnetism in Ti1-xCoxO2: Role of preparation temperature (200-900 degrees C) and doping concentration (0.000 15 <= x <= 0.1). Journal of Applied Physics 2007, 101 (9).
  36. Reddy, K. M.; Punnoose, A., Occurrence and stability of ferromagnetism in chemically synthesized cobalt doped TiO2. Journal of Materials Science-Materials in Electronics 2007, 18 (11), 1137-1142.
  37. Thurber, A.; Hays, J.; Reddy, K. M.; Shutthanandan, V.; Punnoose, A., Fluorine doping in dilute magnetic semiconductor Sn1-xFexO2. Journal of Materials Science-Materials in Electronics 2007, 18 (11), 1151-1155.
  38. Thurber, A.; Reddy, K. M.; Punnoose, A., High-temperature magnetic-field-induced activation of room-temperature ferromagnetism in Ce1-xNixO2. Journal of Applied Physics 2007, 101 (9).
  39. Thurber, A.; Reddy, K. M.; Shutthanandan, V.; Engelhard, M. H.; Wang, C.; Hays, J.; Punnoose, A., Ferromagnetism in chemically synthesized CeO(2) nanoparticles by Ni doping. Physical Review B 2007, 76 (16).
  40. Hays, J.; Thurber, A.; Reddy, K. M.; Punnoose, A.; Engelhard, M. H., Development and processing temperature dependence of ferromagnetism in Zn0.98Co0.02O. Journal of Applied Physics 2006, 99 (8), 3.
  41. Mathew, X.; Enriquez, J. P.; Mejia-Garcia, C.; Contreras-Puente, G.; Cortes-Jacome, M. A.; Antonio, J. A. T.; Hays, J.; Punnoose, A., Structural modifications of SnO2 due to the incorporation of Fe into the lattice. Journal of Applied Physics 2006, 100 (7).
  42. Mathew, X.; Hays, J.; Mejia-Garcia, C.; Contreras-Puente, G.; Punnoose, A., Effect of annealing conditions on the Fe incorporation and ferromagnetism of Sn1-xFexO2: A Raman spectroscopic investigation. Journal of Applied Physics 2006, 99 (8).
  43. Misra, S. K.; Andronenko, S. I.; Reddy, K. M.; Hays, J.; Punnoose, A., Magnetic resonance studies of Co2+ ions in nanoparticles of SnO2 processed at different temperatures. Journal of Applied Physics 2006, 99 (8).
  44. Philip, J.; Punnoose, A.; Kim, B. I.; Reddy, K. M.; Layne, S.; Holmes, J. O.; Satpati, B.; Leclair, P. R.; Santos, T. S.; Moodera, J. S., Carrier-controlled ferromagnetismin transparent oxide semiconductors. Nature Materials 2006, 5 (4), 298-304.
  45. Philip, J.; Punnoose, A.; Kim, B. I.; Reddy, K. M.; Layne, S.; Holmes, J. O.; Satpati, B.; Leclair, P. R.; Santos, T. S.; Moodera, J. S., Carrier-controlled ferromagnetismin transparent oxide semiconductors. Nature Materials 2006, 5 (4), 298-304.
  46. Punnoose, A.; Engelhard, M. H.; Hays, J., Dopant distribution, oxygen stoichiometry and magnetism of nanoscale Sn0.99Co0.01O2. Solid State Communications 2006, 139 (8), 434-438.
  47. Punnoose, A.; Reddy, K. M.; Hays, J.; Thurber, A.; Engelhard, M. H., Magnetic gas sensing using a dilute magnetic semiconductor. Applied Physics Letters 2006, 89 (11).
  48. Shim, H.; Manivannan, A.; Seehra, M. S.; Reddy, K. M.; Punnoose, A., Effect of interparticle interaction on the magnetic relaxation in NiO nanorods. Journal of Applied Physics 2006, 99 (8).
  49. Shutthanandan, V.; Thevuthasan, S.; Droubay, T.; Kaspar, T. C.; Punnoose, A.; Hays, J.; Chambers, S. A., Quantification of dopant concentrations in dilute magnetic semiconductors using ion beam techniques. Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms 2006, 249, 402-405.
  50. Punnoose, A.; Hays, J., Possible metamagnetic origin of ferromagnetism in transition-metal-doped SnO2. Journal of Applied Physics 2005, 97 (10).
  51. Punnoose, A.; Hays, J.; Thurber, A.; Engelhard, M. H.; Kukkadapu, R. K.; Wang, C.; Shutthanandan, V.; Thevuthasan, S., Development of high-temperature ferromagnetism in SnO2 and paramagnetism in SnO by Fe doping. Physical Review B 2005, 72 (5).
  52. Hays, J.; Punnoose, A.; Baldner, R.; Engelhard, M. H.; Peloquin, J.; Reddy, K. M., Relationship between the structural and magnetic properties of Co-doped SnO2 nanoparticles. Physical Review B 2005, 72 (7).
  53. Hays, J.; Punnoose, A.; Baldner, R.; Engelhard, M. H.; Peloquin, J.; Reddy, K. M., Relationship between the structural and magnetic properties of Co-doped SnO2 nanoparticles. Physical Review B 2005, 72 (7).
  54. Punnoose, A.; Seehra, M. S.; van Tol, J.; Brunel, L. C., High-frequency electron magnetic resonance and magnetic studies of ferrihydrite nanoparticles and evidence of a phase transition. Journal of Magnetism and Magnetic Materials 2005, 288, 168-172.
  55. Punnoose, A.; Hays, J.; Gopal, V.; Shutthanandan, V., Room-temperature ferromagnetism in chemically synthesized Sn1-xCoxO2 powders. Applied Physics Letters 2004, 85 (9), 1559-1561.
  56. Punnoose, A.; Phanthavady, T.; Seehra, M. S.; Shah, N.; Huffman, G. P., Magnetic properties of ferrihydrite nanoparticles doped with Ni, Mo, and Ir. Physical Review B 2004, 69 (5).
  57. Seehra, M. S.; Punnoose, A., Particle size dependence of exchange-bias and coercivity in CuO nanoparticles. Solid State Communications 2003, 128 (8), 299-302.
  58. Punnoose, A.; Morales, E. H.; Wang, Y.; Lederman, D.; Seehra, M. S., Hysteretic ferromagnetic resonance as a probe for coercivity, exchange bias, and loop asymmetry. Journal of Applied Physics 2003, 93 (1), 771-773.
  59. Punnoose, A.; Seehra, M. S.; Park, W. K.; Moodera, J. S., On the room temperature ferromagnetism in Co-doped TiO2 films. Journal of Applied Physics 2003, 93 (10), 7867-7869.