(** indicates undergraduate students, * indicates graduate students)

2007

1. “Selective toxicity of zinc oxide nanoparticles to prokaryotic and eukaryotic systems” K. M. Reddy, K. Feris, Jason Bell**, Denise G. Wingett, Cory Hanley*, and Alex Punnoose, Applied Physics Letters, 90, 213902 (2007).

2. “Novel magnetic hydrogen sensing: A case study using antiferromagnetic hematite nanoparticles” A. Punnoose, K. M. Reddy, M. H. Engelhard, J. Hays* and A. Thurber**, Nanotechnology, 18, 165502 (2007).

3. “Ferromagnetism in chemically synthesized CeO2 nanoparticles by Ni doping”

A. Thurber*, K. M. Reddy, V. Shutthanandan, M. H. Engelhard, C. Wang, J. Hays* and A. Punnoose, Physical Review B (in press, 2007).

4. “Self-assembled macrocyclic molecular squares of Ni (II) derived from carbohydrazones and thiocarbohydrazones: Structural and magnetic studies”, E. Manoj*, M. R. Prathapachandra Kurup, H. –K. Fun and A. Punnoose, Polyhedron (in press, 2007).

5. “Effect of Co Doping on the Structural, Optical and Magnetic Properties of ZnO” J. Hays*, K. M. Reddy, N. Graces, M. H. Engelhard, V. Shutthanandan, N. Giles, C. Wang, S. Thevuthasan and A. Punnoose, J. Phys: Condens. Matter, 19, 266203 (2007).

6. “Structure – magnetic property relationship in transition metal doped tin dioxide nanoparticles”, C. Van Komen**, A. Thurber*, K. M. Reddy, J. Hays* and A. Punnoose, Journal of Applied Physics (in press, 2007)

7. “On the Room Temperature Ferromagnetism of Zn1-xCrxO Thin films Deposited by Reactive Co-sputtering”, K. M. Reddy, R. Benson*, R. Hansen*, J. Hays*, A. Thurber**, M. H. Engelhard, V. Shutthanandan, S. Thevuthasan, W. B. Knowlton and A. Punnoose, Solar Energy Materials and Solar Cells, 91, 1496 (2007).

8. “Magnetic properties of Chemically Synthesized Transparent Mn Doped ITO films”, K. M. Reddy, J. Hays*, S. Kundu, L. K. Dua, P. K. Biswas, C. Wang, V. Shutthanandan, M. H. Engelhard and A. Punnoose, Journal of Materials Science: Materials in Electronics, (in press, 2007).

9. “On the Occurrence and Stability of Ferromagnetism in Chemically Synthesized Cobalt doped TiO2”, K. M. Reddy and A. Punnoose, Journal of Materials Science: Materials in Electronics, (in press, 2007).

10. “Effect of Fluorine Doping on the Ferromagnetic Properties of Sn0.95Fe0.05O2”, A. Thurber**, J. Hays*, K. M. Reddy, and A. Punnoose, Journal of Materials Science: Materials in Electronics, (in press, 2007).

11. “Mapping ferromagnetism in Ti1-xCoxO2 – Role of preparation temperature (200 – 900oC) and doping concentration (0.00015 < x < 0.1)”; K. M. Reddy and A. Punnoose, Journal of Applied Physics (in press, 2007).

12. “High-temperature field-induced activation of ferromagnetism in Ce1-xNixO2”; Aaron Thurber**, K. M. Reddy and Alex Punnoose; Journal of Applied Physics (in press, 2007).

13. “An Fe3+ Electron Paramagnetic Resonance Study of Sn1-xFexO2”; Sushil K Misra, S. I. Andronenko, K. M. Reddy, J. Hays*, A. Thurber**, A. Punnoose, Journal of Applied Physics, 101, 09H120 (2007).

14. “Magnetism in transition metal doped tin dioxide” (Invited Article), J. Hays*, K. M. Reddy, A. Thurber**, A. Punnoose, book chapter in "Magnetism in semiconducting and insulating oxides”, Research Signpost (in press, 2007).

2006

15. “Effect of Interparticle Interaction on the Magnetic Relaxation of NiO Nanorods” H. Shim*, A. Manivannan and M. S. Seehra, K. M. Reddy and A. Punnoose, Journal of Applied Physics, 99, 08Q503 (2006).

16. “Structural modifications of SnO2 due to the incorporation of Fe into the lattice” Xavier Mathew, C. Mejía-García*, , J. P. Enriquez, G. Contreras-Puente, J. Hays** and A. Punnoose, Journal of Applied Physics, 100, 073907 (2006)

17. “Magnetic gas sensing using a dilute magnetic semiconductor”

A. Punnoose, K. M. Reddy, M. H. Engelhard, J. Hays* and A. Thurber**, Applied Physics Letters, 89, 112509 (2006).

18. “QQQQQuantification of Dopant Concentrations in Diluted Magnetic Semiconductors using Proton Induced X-ray Emission” V. Shutthanandan, S. Thevuthasan, T. Droubay, T. C. Kaspar, A. Punnoose, J. Hays**, and S.A. Chambers, Nuclear Instruments and Methods B 249, 402 (2006).

19. “Dopant Distribution, Oxygen Stoichiometry and Magnetism of Nanoscale Sn0.99Co0.01O2”, A. Punnoose, M. H. Engelhard and J. Hays**, Solid State Communications, 139, 434-438 (2006).

20. “Carrier controlled ferromagnetism in transparent oxide semiconductors” 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, Nature Materials, 5, 298 (2006).

21. “Development and Processing Temperature Dependence of Ferromagnetism in Zn0.98Co0.02O”,

J. Hays*, A. Thurber**, M. H. Engelhard, K. M. Reddy and A. Punnoose, for Journal of Applied Physics, 99, 08M123 (2006).

22. “Magnetic Resonance studies of Co2+ Ions in Nanoparticles of SnO2 Processed at Different Temperatures”,

S. K. Misra, Serguei I. Andronenko, K. M. Reddy, J. Hays*, and A. Punnoose, Journal of Applied Physics, 99, 08M106(2006).

23. “The effect of preparation conditions on the Fe incorporation and ferromagnetism of Sn1-xFexO2: A Raman spectroscopic investigation”,

Xavier Mathew, C. Mejía-García*, G. Contreras-Puente, J. Hays*, and A. Punnoose, Journal of Applied Physics, 99, 08M101 (2006).

2005

24. “Development of High Temperature Ferromagnetism in SnO2 and Paramagnetism in SnO by Fe Doping”,

A. Punnoose, J. Hays**, A. Thurber**, M. H. Engelhard, R. K. Kukkadapu, C. Wang, V. Shutthanandan and S. Thevuthasan, Physical Review B 72, 054402 (2005).

25. “Relationship between the structural and magentic properties of Co doped SnO2 nanoparticles”,

J. Hays**, A. Punnoose, R. Baldner, M. H. Engelhard, J. Peloquin and K. M. Reddy, Physical Review B, 72, 075203 (2005).

26. “High-frequency electron magnetic resonance and magnetic studies of ferrihydrite nanoparticles and evidence of a phase transition”,

A. Punnoose, M. S. Seehra, J. van Tol and L. C. Brunel, Journal of Magnetism and Magnetic Materials, 288, 168 (2005).

27. “Possible Metamagnetic Origin of Ferromagnetism in Transition-Metal-Doped SnO2”

A. Punnoose and J. Hays**, Journal of Applied Physics 97, 10D321 (2005).

2004

28. “Room Temperature Ferromagnetism in Chemically Synthesized Sn1-xCoxO2 Powders”,

A. Punnoose, J. Hays**, V. Shutthanandan and V. Gopal, Applied Physics Letters, 85, 1559 (2004).

29. “Magnetic properties of ferrihydrite nanoparticles doped with Ni, Mo and Ir.” A. Punnoose, M. Seehra, N. Shah, T. Phanthavady** and G. P. Huffman, Physical Review B, 69, 054425 (2004).

30. “Catalysis for Synthesis Gas Formation from Reforming of Methane”

M. V. Iyer*, L. P. Norcio*, A. Punnoose, E. L. Kugler, M. S. Seehra and D. B. Dadyburjor, Topics in Catalysis, 29, 197 (2004)

31. “Size dependence of the exchange bias and coercivity in CuO nanocrystals.”

M. S. Seehra and A. Punnoose, Solid State Communications, 128, 299 (2004).