Robust antiferromagnetic coupling in hard-soft bi-magnetic core/shell nanoparticles

Nature Communications

Volumn 4, Issue , 2013, Pages

  Estrader, M ^a,b   Lopez Ortega A ^a,c   Estrade S ^b,d   Golosovsky, I V ^e,f   Salazar Alvarez, G ^g   Vasilakaki, M ^h   Trohidou, K N ^h   Varela, M ^i,j   Stanley, D C ^k   Sinko, M ^k   Pechan, M J ^k   Keavney, D J ^l   Peiro F ^d   Surinach S ^m   Baro M D ^m   Nogues J ^a,m,n  

^a CATALAN INSTITUTE OF NANOSCIENCE AND NANOTECHNOLOGY ICN2   (Spain)

^b UNIVERSITY OF BARCELONA   (Spain)

^c UNIVERSITY OF FLORENCE   (Italy)

^d UNIVERSITY OF BARCELONA   (Spain)

^e PETERSBURG NUCLEAR PHYSICS INSTITUTE   (Russian Federation)

^f IOFFE INSTITUTE   (Russian Federation)

^g STOCKHOLM UNIVERSITY   (Sweden)

^h IAMPPMN Department of Materials Science NCSR 'Demokritos'   (Greece)

ⁱ OAK RIDGE NATIONAL LABORATORY   (United States)

^j INSTITUTO PLURIDISCIPLINAR   (Spain)

^k MIAMI UNIVERSITY   (United States)

^l ARGONNE NATIONAL LABORATORY   (United States)

^m UNIVERSITAT AUTÒNOMA DE BARCELONA   (Spain)

ⁿ INSTITUCIÓ CATALANA DE RECERCA I ESTUDIS AVANÇATS ICREA   (Spain)

more..

Author keywords

[No Author keywords available]

Indexed keywords

IRON OXIDE; MAGNETIC NANOPARTICLE; MANGANESE OXIDE; NANOSHELL;

ATOMIC FORCE MICROSCOPY; IRON OXIDE; MAGNETIC FIELD; MONTE CARLO ANALYSIS; NANOTECHNOLOGY; SIMULATION;

ARTICLE; CIRCULAR DICHROISM; FILM; MAGNETOMETRY; MONTE CARLO METHOD;

EID: 84890638758     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms3960     Document Type: Article

References (39)

1. Nogués, J. et al. Exchange bias in nanostructures. Phys. Rep. 422, 65-117 (2005). (Pubitemid 41670331)
2. Zeng, H., Li, J., Wang, Z. L., Liu, J. P. & Sun, S. Bimagnetic Core/Shell FePt/Fe3O4 Nanoparticles. Nano Lett. 4, 3-6 (2004).
3. Golosovsky, I. V. et al. Magnetic proximity effect features in antiferromagnetic/ferrimagnetic core-shell nanoparticles. Phys. Rev. Lett. 102, 247201 (2009).
4. Radmanesh, M. A., Seyyed Ebrahimi, S. A., Yourdkhani, A. & Khanmohammadi, H. Investigation of magnetic interactions in core/shell structured SrFe12O19/NiZnFe2O4 Nanocomposite. J. Supercond. Nov. Magn. 25, 2757-2762 (2012).
5. Manna, P. K., Yusuf, S. M., Mrinmoyee, B. & Tarasankar, P. The magnetic proximity effect in a ferrimagnetic Fe3O4 core/ferrimagnetic g-Mn2O3 shell nanoparticle system. J. Phys.: Condens. Matter 23, 506004 (2011).
6. Skumryev, V. et al. Beating the superparamagnetic limit with exchange bias. Nature 423, 850-853 (2003). (Pubitemid 36781272)
7. Xi, L., Wang, Z., Zuo, Y. & Shi, X. The enhanced microwave absorption property of CoFe2O4 nanoparticles coated with a Co3Fe7-Co nanoshell by thermal. Nanotechnology 22, 045707 (2011).
8. Groza, I., Morel, R., Brenac, A., Beigne, C. & Notin, L. Electrical and magnetic properties of Co/CoO core-shell clusters. IEEE Trans. Magn. 47, 3355-3357 (2011).
9. Rostamnejadi, A. et al. Conventional and inverse magnetocaloric effects in La0.45Sr0.55MnO3 nanoparticles. J. Appl. Phys. 110, 043905 (2012).
10. Barbic, M. & Scherer, A. Magnetic nanostructures as amplifiers of transverse fields in magnetic resonance. Sol. State Nucl. Magn. Res. 28, 91-105 (2005). (Pubitemid 41808395)
11. Lee, J.-H. et al. Exchange-coupled magnetic nanoparticles for efficient heat induction. Nat. Nanotechnol. 6, 418-422 (2011).
12. Yoon, T. J., Lee, H., Shao, H. & Weissleder, R. Highly magnetic core-shell nanoparticles with a unique magnetization mechanism. Angew. Chem. Int. Ed. 50, 4663-4666 (2011).
13. Zaim, A., Kerouad, M. & Amraoui, E. L. Y. Magnetic properties of a ferrimagnetic core/shell nanocube Ising model: A Monte Carlo simulation study. J. Magn. Magn. Mater. 321, 1077-1083 (2009).
14. Hu, Y., Wu, G. Z., Liu, Y. & Du, A. Field-induced transitions from negative to positive exchange bias in nanoparticles with inverted ferromagneticantiferromagnetic core-shell morphology. J. Appl. Phys. 111, 053904 (2012).
15. Nguyen, H. M., Lee, C. H., Hsiao, P. Y. & Phan, M. H. Exchange bias in magnetic nanoparticle capped with amorphous magnetic shell. J. Appl. Phys. 110, 043909 (2011).
16. Vasilakaki, M. & Trohidou, K. N. Numerical study of the exchange-bias effect in nanoparticles with ferromagnetic core/ferrimagnetic disordered shell morphology. Phys. Rev. B 79, 144402 (2009).
17. Schuller, I. K., Kim, S. & Leighton, C. Magnetic superlattices and multilayers. J. Magn. Magn. Mater. 200, 571-582 (1999). (Pubitemid 32077533)
18. Nogués, J., Lederman, D., Moran, T. J. & Schuller, I. K. Positive exchange bias in FeF2-Fe bilayers. Phys. Rev. Lett. 76, 4624-4627 (1996). (Pubitemid 126639460)
19. Chern, G., Horng, L., Shieh, W. K. & Wu, T. C. Antiparallel state, compensation point, and magnetic phase diagram of Fe3O4/Mn3O4 superlattices. Phys. Rev. B 63, 094421 (2001).
20. Moran, T. J., Nogués, J., Lederman, D. & Schuller, I. K. Perpendicular coupling at Fe-FeF2 interfaces. Appl. Phys. Lett. 72, 617-619 (1998).
21. Moser, A., Berger, A., Margulies, D. T. & Fullerton, E. E. Magnetic tuning of biquadratic exchange coupling in magnetic thin films. Phys. Rev. Lett. 91, 097203 (2003).
22. Jehan, D. A. et al. Magnetic structure of holmium-yttrium superlattices. Phys. Rev. B 48, 5594-5606 (1993).
23. Åkerman, J. Toward a universal memory. Science 308, 508-510 (2005). (Pubitemid 40570573)
24. Parkin, S. et al. Magnetically engineered spintronic sensors and memory. Proc. IEEE 91, 661-680 (2003).
25. Bibes, M. & Barthélémy, A. Oxide Spintronics. IEEE Trans. Electron Dev. 54, 1003-1023 (2007). (Pubitemid 46695349)
26. Salazar Alvarez, G. et al. Two-, three-, and four-component magnetic multilayer onion nanoparticles based on iron oxides and manganese oxides. J. Am. Chem. Soc. 133, 16738-16741 (2011).
27. Varela, M., Gazquez, J. & Pennycook, S. J. STEM-EELS imaging of complex oxides and interfaces. MRS. Bull 37, 29-35 (2012).
28. Estradé, S. et al. Distinguishing the core from the shell in MnOx/MnOy and FeOx/MnOx core/shell nanoparticles through quantitative electron energy loss spectroscopy (EELS) analysis. Micron. 43, 30-36 (2012).
29. Carbone, L. & Cozzoli, P. D. Colloidal heterostructured nanocrystals: synthesis and growth mechanisms. Nano Today 5, 449-493 (2010).
30. López-Ortega, A. et al. Strongly exchange coupled inverse ferrimagnetic soft/hard, MnxFe3-xO4/FexMn3-xO4, core/shell heterostructured nanoparticles. Nanoscale 4, 5138-5147 (2012).
31. Jacobs, I. S. Evidence for triangular moment arrangements in MnO-Mn2O3. J. Phys. Chem. Solids 11, 1-11 (1959).
32. Krycka, K. L. et al. Resolving magnetic specific structures within Fe3O4|g-Mn2O3 Core|Shell nanoparticles using anomalous small-angle X-ray scattering. ACS Nano 7, 921-931 (2013).
33. Krycka, K. L. et al. Correlating material-specific layers and magnetic distributions within onion-like Fe3O4/MnO/g-Mn2O3 core/shell nanoparticles. J. Appl. Phys. 113, 17B531 (2013).
34. Nogués, J. & Schuller, I. K. Exchange bias. J. Magn. Magn. Mater. 192, 203-232 (1999).
35. Iglesias, O., Labarta, A. & Batlle, X. Exchange bias phenomenology and models of core/shell nanoparticles. J. Nanosci. Nanotechnology 8, 2761-2780 (2008).
36. Romer, S. et al. Temperature dependence of large exchange-bias in TbFe-Co/Pt. Appl. Phys. Lett. 101, 222404 (2012).
37. Ziese, M. et al. Size and shape dependence of the exchange-bias field in exchange-coupled ferrimagnetic bilayers. Eur. Phys. J. B 45, 223-230 (2005). (Pubitemid 40925089)
38. Vargas, J. M. et al. Effective anisotropy field variation of magnetite nanoparticles with size reduction. Eur. Phys. J. B 64, 211-218 (2008).
39. Binder, K. Applications of Monte Carlo Methods in Statistical Physics (Springer, 1984).