Defect induced ferromagnetism in MgO nanoparticles studied by optical and positron annihilation spectroscopy

Chemical Physics Letters

Volumn 477, Issue 4-6, 2009, Pages 360-364

  Kumar, Nitesh ^a   Sanyal, D ^b   Sundaresan, A ^a  

^a JAWAHARLAL NEHRU CENTRE FOR ADVANCED SCIENTIFIC RESEARCH   (India)

^b VARIABLE ENERGY CYCLOTRON CENTRE   (India)

Author keywords

[No Author keywords available]

Indexed keywords

BLUE LUMINESCENCE; BULK SAMPLES; CONCENTRATION OF; DEFECT CONCENTRATIONS; NANOCRYSTALLINE; SATURATION MAGNETIC MOMENTS; VACANCY CONCENTRATION;

DEFECTS; FERROMAGNETISM; MAGNESIUM PRINTING PLATES; MAGNETIC MOMENTS; NANOPARTICLES; POSITRON ANNIHILATION; VACANCIES;

POSITRON ANNIHILATION SPECTROSCOPY;

EID: 67849090095     PISSN: 00092614     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cplett.2009.07.037     Document Type: Article

References (35)

1. Sundaresan A., Bhargavi R., Rangarajan N., Siddesh U., and Rao C.N.R. Phys. Rev. B 74 (2006) 16106
2. Madhu C., Sundaresan A., and Rao C.N.R. Phys. Rev. B 77 (2008) 201306
3. Shipra, Gomathi A., Sundaresan A., and Rao C.N.R. Solid State Commun. 142 (2007) 685
4. Sundaresan A., and Rao C.N.R. Nanotoday 4 (2009) 96
5. Sundaresan A., and Rao C.N.R. Solid State Commun. 149 (2009) 1197
6. Mangalam R.V.K., Ray N., Waghmare U., Sundaresan A., and Rao C.N.R. Solid State Commun. 149 (2009) 1
7. Li M., Ge S., Qiao W., Zhang L., Zuo Y., and Yan S. Appl. Phys. Lett. 94 (2009) 152511
8. Zhao Q., Wu P., Li B.-L., Lu Z.-M., and Jiang E.Y. Chin. Phys. Lett. 25 (2008) 1811
9. Pemmaraju A.D., and Sanvito S. Phys. Rev. Lett. 94 (2005) 217205
10. Elfimov I.S., Yunoki S., and Sawatzky G.A. Phys. Rev. Lett. 89 (2002) 216403
11. Osorio-Guillén J., Lany S., Barabash S.V., and Zunger A. Phys. Rev. Lett. 96 (2006) 107203
12. Hu J., Zhang Z., Zhao M., Qin H., and Jiang M. Appl. Phys. Lett. 93 (2008) 192503
13. Stoneham A.M., Pathak A.P., and Bartram R.H. J. Phys. C: Solid State Phys. 9 (1976) 73
14. Gao F., et al. Solid State Commun. 149 (2009) 855
15. Hautojarvi P., and Corbel C. In: Dupasquier A., and Mills Jr. A.P. (Eds). Positron Spectroscopy of Solids (1995), IOS Press, Ohmsha, Amsterdam
16. Krause-Rehberg R., and Leipner H.S. Positron Annihilation in Semiconductors (1999), Springer-Verlag, Berlin
17. Subramania A., Vijaya Kumar G., Priya A.R.S., and Vasudevan T. Nanotechnology 18 (2007) 225601
18. Sanyal D., Banerjee D., and De U. Phys. Rev. B 58 (1998) 15226
19. Sanyal D., Roy T.K., Chakrabarti M., Dechoudhury S., Bhowmick D., and Chakrabarti A. J. Phys. C 20 (2008) 045217
20. R.V.K. Mangalam, M. Chakrabrati, D. Sanyal, A. Chakrabarti, A. Sundaresan, Communicated, 2009.
21. P. Kirkegaard, N.J. Pedersen, M. Eldroup, Report of Riso National Lab (Riso-M-2740), 1989.
22. Lynn K.G., and Goland A.N. Solid State Commun. 18 (1976) 1549
23. Sanyal D., Chakrabarti M., Roy T.K., and Chakrabarti A. Phys. Lett. A 371 (2007) 482
24. Dutta S., Chakrabarti M., Chattopadhyay S., Jana D., Sanyal D., and Sarkar A. J. Appl. Phys. 98 (2005) 053513
25. Stankic S., Muller M., Diwald O., Sterrer M., Knozinger E., and Bernardi J. Angew. Chem., Int. Ed. 44 (2005) 4917
26. Maclean S.G., and Duley W.W. J. Phys. Chem. Solid 45 (1984) 227
27. Anpo M., Yamada Y., Kubokawa Y., Coluccia S., Zecchina A., and Che M. J. Chem. Soc., Faraday Trans. I 84 3 (1998) 751
28. Chizallet C., Costentin G., Pernot H.L., Krafft J.M., Che M., Delbecq F., and Sautet P. J. Phys. Chem. C 112 (2008) 16629
29. Puska M.J., Mäkinen S., Manninen M., and Nieminen R.M. Phys. Rev. B 39 (1989) 7666
30. Pareja R. Positron Annihilation (1985), World Scientific, Singapore p. 708
31. Saarinen K. Phys. Rev. B 64 (2001) 233201
32. Asoka-Kumar P., Alatalo M., Ghosh V.J., Kruseman A.C., Nielsen B., and Lynn K.G. Phys. Rev. Lett. 77 (1996) 2097
33. Brusa R.S., Deng W., Karwasz G.P., and Zecca A. Nucl. Instrum. Method B 194 (2002) 519
34. Chakrabarti M., Sarkar A., Sanyal D., Karwasz G.P., and Zecca A. Phys. Lett. A 321 (2004) 376
35. Dutta S., Chattopadhyay S., Sarkar A., Chakrabarti M., Sanyal D., and Jana D. Prog. Mater. Sci. 54 (2009) 89