Exchange-coupling in thermal annealed bimagnetic core/shell nanoparticles

Journal of Alloys and Compounds

Volumn 633, Issue , 2015, Pages 333-337

  Lavorato, G C ^a   Lima, E ^a   Troiani, H E ^a   Zysler, R D ^a   Winkler, E L ^a  

^a DEPARTAMENTO DE FÍSICA   (Argentina)

Author keywords

Chemical synthesis; Core shell nanoparticles; Magnetic measurements; Magnetization; Nanostructured materials; TEM

Indexed keywords

COBALT COMPOUNDS; MAGNETIC COUPLINGS; MAGNETIC VARIABLES MEASUREMENT; MAGNETISM; MAGNETIZATION; NANOMAGNETICS; NANOPARTICLES; NANOSTRUCTURED MATERIALS; THERMODYNAMIC STABILITY; TRANSMISSION ELECTRON MICROSCOPY;

ANTIFERROMAGNETIC CORE; CORE-SHELL NANOPARTICLES; CORE/SHELL STRUCTURE; EFFECTIVE COUPLING; MAGNETIC PHASIS; THERMAL-ANNEALING;

SYNTHESIS (CHEMICAL);

EID: 84928119576     PISSN: 09258388     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jallcom.2015.02.050     Document Type: Article

References (39)

1. A.-H. Lu, E.L. Salabas, and F. Schüth Magnetic nanoparticles: synthesis, protection, functionalization, and application Angew. Chem. Int. Ed. Engl. 46 2007 1222 1244 10.1002/anie.200602866
2. A. López-Ortega, M. Estrader, G. Salazar-Alvarez, A.G. Roca, and J. Nogués Applications of exchange coupled bi-magnetic hard/soft and soft/hard magnetic core/shell nanoparticles Phys. Rep. 2014 10.1016/j.physrep.2014.09.007
3. J. Nogués, and I.K. Schuller Exchange bias J. Magn. Magn. Mater. 192 1999 203 232 10.1016/S0304-8853(98)00266-2
4. S. Sun, and H. Zeng Size-controlled synthesis of magnetite nanoparticles J. Am. Chem. Soc. 2002 8204 8205 http://pubs.acs.org/doi/abs/10.1021/ja026501x
5. T. Hyeon Chemical synthesis of magnetic nanoparticles Chem. Commun. 2003 927 934 10.1039/b207789b
6. H. Zeng, J. Li, J. Liu, Z. Wang, and S. Sun Exchange-coupled nanocomposite magnets by nanoparticle self-assembly Nature 420 2002 395 398 10.1038/nature01233.1
7. V. Skumryev, S. Stoyanov, and Y. Zhang Beating the superparamagnetic limit with exchange bias Nature 423 2003 19 22 10.1038/nature01750.1
8. J. Kools Exchange-biased spin-valves for magnetic storage Magn. IEEE Trans. 32 1996 3165 3184 http://ieeexplore.ieee.org/xpls/abs-all.jsp?arnumber=508381
9. 4 nanocrystals with core-shell architecture J. Am. Chem. Soc. 134 2012 10182 10190 10.1021/ja302856z
10. J. Gao, H. Gu, and B. Xu Multifunctional magnetic nanoparticles: design, synthesis, and biomedical applications Acc. Chem. Res. 42 2009 1097 1107 10.1021/ar9000026
11. J.H. Lee, J.T. Jang, J.S. Choi, S.H. Moon, S.H. Noh, and J.W. Kim Exchange-coupled magnetic nanoparticles for efficient heat induction Nat. Nanotechnol. 6 2011 418 422 10.1038/nnano.2011.95
12. M. Estrader, A. López-Ortega, S. Estradé, I.V. Golosovsky, G. Salazar-Alvarez, and M. Vasilakaki Robust antiferromagnetic coupling in hard-soft bi-magnetic core/shell nanoparticles Nat. Commun. 4 2013 2960 doi: 10.1038/ncomms3960
13. J. Nogués, J. Sort, V. Langlais, V. Skumryev, S. Suriñach, and J.S. Muñoz Exchange bias in nanostructures Phys. Rep. 422 2005 65 117 10.1016/j.physrep.2005.08.004
14. 4 nanocomposites Chem. Mater. 24 2012 2493 2500 10.1021/cm3005166
15. S.-H. Noh, W. Na, J.-T. Jang, J.-H. Lee, E.J. Lee, and S.H. Moon Nanoscale magnetism control via surface and exchange anisotropy for optimized ferrimagnetic hysteresis Nano Lett. 12 2012 3716 3721 10.1021/nl301499u
16. 4 core-shell nanocrystals Phys. Rev. B 78 2008 174414 10.1103/PhysRevB.78.174414
17. 4 core-shell magnetic nanoparticles mediated by frozen interfacial spins Phys. Rev. B 80 2009 134418 10.1103/PhysRevB.80.134418
18. A. López-Ortega, D. Tobia, E. Winkler, I.V. Golosovsky, G. Salazar-Alvarez, and S. Estradé Size-dependent passivation shell and magnetic properties in antiferromagnetic/ferrimagnetic core/shell MnO nanoparticles J. Am. Chem. Soc. 132 2010 9398 9407 doi: 10.1021/ja1021798
19. 4 shell nanoparticles: synthesis and magnetic properties Chem. Mater. 24 2012 512 516 10.1021/cm2028959
20. 4@CoO core shell nanoparticles synthesized by a one-pot seed-mediated growth method J. Phys. Chem. C 117 2013 11436 11443 10.1021/jp402823h
21. S. Inderhees, J. Borchers, K. Green, M. Kim, K. Sun, and G. Strycker Manipulating the magnetic structure of Co core/CoO shell nanoparticles: implications for controlling the exchange bias Phys. Rev. Lett. 101 2008 117202 10.1103/PhysRevLett.101.117202
22. 4 shells: doubly inverted core-shell system Phys. Rev. B 77 2008 024403 10.1103/PhysRevB.77.024403
23. 4 binary nanocrystal superlattices by self-assembly and thermal annealing ACS Nano 7 2013 1478 1486 10.1021/nn3052617
24. J. Nogués, V. Skumryev, J. Sort, S. Stoyanov, and D. Givord Shell-driven magnetic stability in core-shell nanoparticles Phys. Rev. Lett. 97 2006 157203 10.1103/PhysRevLett.97.157203
25. G. Margaris, K.N. Trohidou, and J. Nogués Mesoscopic model for the simulation of large arrays of bi-magnetic core/shell nanoparticles Adv. Mater. 24 2012 4331 4336 10.1002/adma.201200615
26. 4 core/shell nanoparticles Nanotechnology 25 2014 355704 10.1088/0957-4484/25/35/355704
27. 4 core/shell nanoparticle systems Appl. Phys. Lett. 101 2012 252405 10.1063/1.4771993
28. J.L. Dormann, D. Fiorani, E. Tronc, Magnetic relaxation in fine-particle systems, in: Advanced in Chemical Physics, vol. XCVIII, Wiley, New York, 1997.
29. J. Goodenough Metallic oxides Prog. Solid State Chem. 5 1971 145 399 10.1016/0079-6786(71)90018-5
30. 4 nanocrystals J. Phys. Chem. B 108 2004 18222 18227 10.1021/jp0464526
31. D. Peddis, F. Orrù, A. Ardu, C. Cannas, A. Musinu, and G. Piccaluga Interparticle interactions and magnetic anisotropy in cobalt ferrite nanoparticles: influence of molecular coating Chem. Mater. 24 2012 1062 1071 10.1021/cm203280y
32. 4 nanoparticles for magnetic hyperthermia J. Phys.: Conf. Ser. 200 2010 072101 10.1088/1742-6596/200/7/072101
33. 4 nanoparticles J. Magn. Magn. Mater. 377 2015 44 51 10.1016/j.jmmm.2014.10.054
34. E. Kneller, and R. Hawig The exchange-spring magnet: a new material principle for permanent magnets Magn. IEEE Trans. 27 1991 3588 3600 http://ieeexplore.ieee.org/xpls/abs-all.jsp?arnumber=102931
35. 4 ferrite epitaxy thin films J. Magn. Magn. Mater. 270 2004 389 396 10.1016/j.jmmm.2003.09.005
36. 4 (0 0 1) layers J. Appl. Phys. 106 2009 113924 10.1063/1.3267873
37. K. Nadeem, M. Shahid, and M. Mumtaz Competing crystallite size and zinc concentration in silica coated cobalt ferrite nanoparticles Prog. Nat. Sci. Mater. Int. 24 2014 199 204 10.1016/j.pnsc.2014.05.011
38. J. Tracy, D. Weiss, D. Dinega, and M. Bawendi Exchange biasing and magnetic properties of partially and fully oxidized colloidal cobalt nanoparticles Phys. Rev. B 72 2005 064404 10.1103/PhysRevB.72.064404
39. R. O'Handley Modern Magnetic Materials: Principles and Applications 1999 John Wiley & Sons New Jersey