Fe impurities weaken the ferromagnetic behavior in Au nanoparticles

Physical Review Letters

Volumn 97, Issue 17, 2006, Pages

  Crespo, P ^a,b   Garcia M A ^a,b   Fernandez Pinel E ^a   Multigner, M ^a   Alcantara D ^c   De La Fuente, J M ^c   Penades S ^c   Hernando, A ^a,b  

^a INSTITUTO DE MAGNETISMO APLICADO   (Spain)

^b UNIVERSIDAD COMPLUTENSE DE MADRID   (Spain)

^c CSIC   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTAL IMPURITIES; FERROMAGNETISM; GOLD; IRON; MAGNETIC ANISOTROPY; MAGNETIC HYSTERESIS; MAGNETIZATION;

FERROMAGNETIC ORDER; GLYCONANOPARTICLES; MAGNETIC IMPURITY;

NANOSTRUCTURED MATERIALS;

EID: 33750496580     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.97.177203     Document Type: Article

References (16)

1. P. Crespo, Phys. Rev. Lett. 93, 087204 (2004). PRLTAO 0031-9007 10.1103/PhysRevLett.93.087204
2. I. Carmelli, J. Chem. Phys. 118, 10â372 (2003). JCPSA6 0021-9606 10.1063/1.1580800
3. A.âP. Alivisatos, Science 271, 933 (1996); SCIEAS 0036-8075
4. I. Coulthard, S. Degen, Y.âJ. Zhu, and T.âK. Sham, Can. J. Chem. CJCHAG 0008-4042 76, 1707 (1998). 10.1139/cjc-76-11-1707
5. P. Zhang, T.âK. Sham, Appl. Phys. Lett. 81, 736 (2002). APPLAB 0003-6951 10.1063/1.1494120
6. H. Liu, Phys. Rev. B PRBMDO 0163-1829 72, 155430 (2005). 10.1103/PhysRevB.72.155430
7. R. Litran, Phys. Rev. B PRBMDO 0163-1829 73, 054404 (2006). 10.1103/PhysRevB.73.054404
8. C. Lopez Cartés, J. Phys. Chem. B 109, 8761 (2005). JPCBFK 1520-6106 10.1021/jp050184+
9. S. LaShell, B.âA. McDougall, and E. Jensen, Phys. Rev. Lett. 77, 3419 (1996). PRLTAO 0031-9007 10.1103/PhysRevLett.77.3419
10. M.âA. GarcÃa, Phys. Rev. B PRBMDO 0163-1829 72, 241403(R) (2005).
11. A. Hernando, P. Crespo, and M.âA. GarcÃa, Phys. Rev. Lett. 96, 057206 (2006); PRLTAO 0031-9007 10.1103/PhysRevLett.96.057206
12. A. Hernando, Phys. Rev. B PRBMDO 0163-1829 74, 052403 (2006). 10.1103/PhysRevB.74.052403
13. Water soluble AuFe glyconanoparticles with different Auâ¶Fe ratio have been prepared as contrast agents for magnetic resonance imaging by reduction in water of a mixture of gold and iron salts in the presence of thiol-functionalized neoglycoconjugates, J.âM. de la Fuente, J. Phys. Chem. B JPCBFK 1520-6106 110, 13â021 (2006). 10.1021/jp062522s
14. A.âG. Barrientos, Chem. Eur. J. 9, 1909 (2003). CEUJED 0947-6539 10.1002/chem.200204544
15. M.âJ. Hostetler, Langmuir 14, 17 (1998). LANGD5 0743-7463 10.1021/la970588w
16. U. Kreibig and M. Völlmer, Optical Properties of Metal Clusters (Springer-Verlag, Berlin, 1995).