Magnetic studies of CoFe 2O 4/SiO 2 aerogel and xerogel nanocomposites

Journal of Nanoscience and Nanotechnology

Volumn 9, Issue 10, 2009, Pages 5932-5939

  Da Silva, J B ^a,b   Mohallem, N D S ^a   Sinnecker, E ^c   Novak, M A ^c   Alburquerque, A S ^b   Ardisson, J D ^b   Macedo, W A ^b  

^a FEDERAL UNIVERSITY OF MINAS GERAIS   (Brazil)

^b INSTITUTO DE PESQUISAS ENERGÉTICAS E NUCLEARES   (Brazil)

^c FEDERAL UNIVERSITY OF RIO DE JANEIRO   (Brazil)

Author keywords

Cobalt ferrite nanocomposite; Ferrite silica nanomagnetic system; Magnetic nanocomposite

Indexed keywords

APPLIED FIELD; COBALT FERRITE NANOCOMPOSITE; COBALT FERRITE PARTICLES; COERCIVITIES; DRYING CONDITION; FERRITE CONTENT; FERRITE/SILICA NANOMAGNETIC SYSTEM; LOW TEMPERATURES; MAGNETIC BEHAVIOR; MAGNETIC NANOCOMPOSITE; MAGNETIC STUDIES; MATRIX; MONOLITHIC FORMS; ROOM TEMPERATURE; SILICA MATRIX; SSBAUER SPECTROSCOPY; STRUCTURAL AND MAGNETIC PROPERTIES; SUPERPARAMAGNETIC BEHAVIOR; SUPERPARAMAGNETICS; THERMAL TREATMENT TEMPERATURE; WET SAMPLE;

AEROGELS; CERAMIC MATERIALS; COBALT; COERCIVE FORCE; CRYSTALLITE SIZE; DEWATERING; FERRITE; FERRITES; HEAT TREATMENT; MAGNETIZATION; MAGNETS; NANOCOMPOSITES; SILICA; SOL-GEL PROCESS; SUPERPARAMAGNETISM; XEROGELS;

LOW TEMPERATURE DRYING;

EID: 70350304118     PISSN: 15334880     EISSN: None     Source Type: Journal    
DOI: 10.1166/jnn.2009.1245     Document Type: Article

References (22)

1. A. Chatterjee, S. K. Pradhan, D. Das, and A. Chakravorty, J. Magn. Magn. Mater. 127, 214 (1993).
2. K. H. Wu, Y. C. Chang, and G. P. Wang, J. Magn. Magn. Mater. 269, 150 (2004).
3. M. F. Casula, A. Corrias, and G. Paschina, J. Non-Cryst. Solids. 293, 25 (2001).
4. C. Julian, G. A. Alcazar, and M. I. Montero, J. Magn. Magn. Mater. 203, 175 (1999).
5. J. B. Silva and N. D. S. Mohallem, J. Magn. Magn. Mater. 226, 1393 (2001).
6. J. B. Silva, C. F. Diniz, R. M. Lago, and N. D. S. Mohallem, J. Non-Cryst. Solids. 348, 201 (2004).
7. J. Plocek, A. Hutlová, D. Niznansky, J. Bursik, J.-L. Rehspringer, and Z. Micka, J. Non-Cryst. Solids. 315, 70 (2003).
8. X. Huang and Z. Chen, Solid State Comm. 132, 845 (2004).
9. L. A. G. Cerda, V. A. T. García, J. A. M. Aquino, and O. E. A. Valenzuela, J. Alloys Compd. 369, 148 (2004).
10. C. L. Chien, Annual Rev. Mater. Sci. 25 129 (1995).
11. M. Grigorova, H. J. Blythe, V. Blaskov, V. Rusanov, V. Petkov, V. Masheva, D. Nihtianova, L. M. Martinez, J. S. Muñoz, and M. Mikhov, J. Magn. Magn. Mater. 183, 163 (1998).
12. M. F. Casula, A. Corrias, and G. Paschina, J. Mater. Res. 15, 2187 (2000).
13. Y. de Hazan, G. E. Shter, Y. Cohen, C. Rottman, D. Avinir, and G. S. Grader, J. Sol-Gel Sci. Technol. 14, 233 (1999).
14. B. D. Cullity, Elements of X-ray Diffraction, 2nd edn., Addison, California (1978).
15. J. B. Silva, C. F. Diniz, A. P. P. Viana, and N. D. S. Mohallem, J. Sol-Gel Sci. Technol. 35, 115 (2005).
16. J. B. Silva, C. F. Diniz, J. D. Ardisson, A. I. C. Persiano, and N. D. S. Mohallem, J. Magn. Magn. Mater. 272, el851 (2004).
17. T. D. Lee and S. J. Park, J. Mater. Sci. Lett. 12, 361 (1993).
18. E. C. Kim, S. W. Lee, S. L. Park, J. Y. Park, and Y. J. Oh, J. Appl. Phys. 79, 5428 (1996).
19. M. Rajendran, R. C. Pullar, A. K. Bhattacharya, D. Das, S. N. Chintalapudi, and C. K. Majumdar, J. Magn. Magn. Mater. 232, 71 (2001).
20. X. H. Huang and Z. H. Chen, Solid State Comm. 132, 845 (2004).
21. R. D. Sánchez, J. Rivas, P. Vaqueiro, M. A. López-Quintela, and D. Caeiro, J. Magn. Magn. Mater. 247, 92 (2002).
22. M. Rajendran, S. Deka, P. A. Joy, and A. K. Bhattacharya, J. Magn. Magn. Mater. 301, 212 (2006).