Structure and magnetic properties of Co/CoO and Co/Si core-shell cluster assemblies prepared via gas-phase

Science and Technology of Advanced Materials

Volumn 6, Issue 1, 2005, Pages 18-26

  Sumiyama, Kenji ^a   Hihara, Takehiko ^a   Peng, Dong Liang ^a   Katoh, Ryoji ^a  

^a NAGOYA INSTITUTE OF TECHNOLOGY   (Japan)

Author keywords

Cobalt cobalt oxide cluster; Cobalt silicon cluster; Core shell cluster; Electron microscopy; Macroscopic quantum tunnelling; Magnetic coercivity; Magnetization

Indexed keywords

COERCIVE FORCE; CONDENSATION; ELECTRON TUNNELING; MAGNETIC ANISOTROPY; MAGNETIC RELAXATION; MAGNETIZATION; STRUCTURE (COMPOSITION); TRANSMISSION ELECTRON MICROSCOPY;

COBALT/COBALT OXIDE CLUSTERS; COBALT/SILICON CLUSTERS; CORE-SHELL CLUSTERS; MACROSCOPIC QUANTUM TUNNELING; MAGNETIC COERCIVITY;

COBALT;

EID: 14544284460     PISSN: 14686996     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.stam.2004.07.001     Document Type: Review

References (35)

1. A.S. Edelstein R.C. Cammarata Nanomaterials: Synthesis, Properties and Applications 1996 Institute of Physics Bristol
2. R.P. Andres, R.S. Averback, W.L. Brown, L.E. Brus, W.A. Goddard III, A. Kaldor, S.G. Louie, M. Moscovits, P.S. Peercy, S.J. Riley, E.W. Siegel, F. Spaepen, and Y. Wang Research opportunities on clusters and cluster-assembled materials - A Department of Energy, Council on Materials Science Panel Report J. Mater. Res. 4 1989 704 736
3. R. Uyeda Studies of ultrafine particles in Japan: Crystallography, methods of preparation and technological applications Progr. Mat. Sci. 35 1991 1 96
4. C.G. Granqvist, and R.A. Buhrman Ultrafine metal particles J. Appl. Phys. 47 1976 2200 2219
5. H. Gleiter Nanocrystalline Materials Progr. Mat. Sci. 33 1989 223 315
6. H. Haberland Clusters of Atoms and Molecules I and II 1994 Springer Berlin
7. P. Melinon, V. Paillard, V. Dupuis, A. Perez, P. Jensen, A. Hoareau, J.P. Perez, J. Tuaillon, M. Broyer, J.L. Vialle, M. Pellarin, B. Baguenard, and J. Lerme From free clusters to cluster-assembled materials Int. J. Mod. Phys. B9 1995 339 397
8. C.B. Murray, D.J. Norris, and M.G. Bawendi Synthesis and characterization of nearly nonodisperse CdE (E=S,Se,Te) semiconductor nanocrystallites J. Am. Chem. Soc. 115 1993 8706 8715
9. H. Haberland, M. Karrais, M. Malland, and Y. Thurner Thin films from energetic cluster impact: A feasibility study J. Vac. Sci. Technol. A10 1992 3266 3271
10. S. Yamamuro, K. Sumiyama, M. Sakurai, and K. Suzuki Cr cluster deposition by plasma-gas-condensation method Supramol. Sci. 5 1998 239 245
11. T. Hihara, and K. Sumiyama Formation and size control of a Ni cluster by plasma gas condensation J. Appl. Phys. 84 1998 5270 5276
12. S. Yamamuro, K. Sumiyama, and K. Suzuki Monodispersed Cr cluster formation by plasma-gas-condensation J. Appl. Phys. 85 1999 483 489
13. S. Yamamuro, K. Sumiyama, T.J. Konno, and K. Suzuki Structural and magnetic evolution in self-assembling process of nanometer-sized Co clusters Mat. Trans. JIM 40 1999 1450 1455
14. S. Yamamuro, K. Sumiyama, T. Hihara, and K. Suzuki Geometrical and electrical percolation in nanometer-sized Co-cluster assemblies J. Phys. Condens. Matter 11 1999 3247 3257
15. S. Yamamuro, K. Sumiyama, T. Kamiyama, and K. Suzuki Morphological and magnetic characteristics of monodispersed Co-cluster assemblies J. Appl. Phys. 86 1999 5726 5732
16. K. Wakoh, T. Hihara, D.L. Peng, and K. Sumiyama Compositional partition in Ag-Nb alloy clusters produced by a plasma-gas-condensation cluster source NanoStruct. Mat. 11 2000 1245 1251
17. T.J. Konno, S. Yamamuro, and K. Sumiyama Formation of ordered CoAl alloy clusters by the plasma-gas condensation technique J. Appl. Phys. 90 2001 3079 3085
18. T.J. Konno, S. Yamamuro, and K. Sumiyama Comparative study on alloy cluster formation in Co-Al and Co-Pt systems J. Vac. Sci. Technol. B20 2001 834 842
19. D.L. Peng, T. Hihara, and K. Sumiyama Formation and magnetic properties of Fe-Pt alloy clusters by plasma-gas condensation Appl. Phys. Lett. 83 2003 350 352
20. R. Katoh, T. Hihara, D.L. Peng, and K. Sumiyama Composite deposition of Co and Si clusters by rf/dc plasma-gas-condensation Appl. Phys. Lett. 82 2003 2688 2690
21. H. Sakurai, F. Itoh, H. Oike, T. Tsurui, S. Yamamuro, K. Sumiyama, and T. Hihara X-ray magnetic circular dichroism on Co monodispersive cluster assemblies J. Phys. Condens. Matter 12 2000 3451 3460
22. P. Jensen Growth of nanostructures by cluster deposition: experiments and simple models Rev. Mod. Phys. 71 1999 1695 1735
23. D.L. Peng, K. Sumiyama, S. Yamamuro, T. Hihara, and T.J. Konno Preparation and magnetic properties of oxide-coated monodispersive Co cluster assembly Phys. Stat. Sol. (a) 172 1999 209 216
24. D.L. Peng, K. Sumiyama, T.J. Konno, T. Hihara, and S. Yamamuro Characteristic transport properties of CoO-coated monodispersive Co cluster assemblies Phys. Rev. B60 1999 2093 2100
25. D.L. Peng, K. Sumiyama, T. Hihara, S. Yamamuro, and T.J. Konno Magnetic properties of monodispersed Co/CoO clusters Phys. Rev. B61 2000 3103 3109
26. S. Gangopadhyay, G.C. Hadjipanayis, C.M. Sorensen, and K.J. Klabunde NanoStruct. Mater. 1 1992 449 456
27. D.L. Peng, K. Sumiyama, T. Hihara, and T.J. Konno Magnetic characteristics of monodispersed Co/CoO cluster assemblies Scripta Mater. 44 2001 1471 1474
28. J. Tejada, X.X. Zhang, and E.M. Chudnovsky Quantum relaxation in random magnets Phys. Rev. B47 1993 14977 14987
29. R. Katoh, K. Sumiyama, T. Hihara, D.L. Peng, Composite state control and magnetic properties of cobalt and silicon cluster assemblies prepared with double plasma discharge sources, Mat. Trans. JIM, in press.
30. T.B. Massalski, J.L. Murray, L.H. Bennett, H. Baker, L. Kacprzak, Binary Alloy Phase Diagrams, American Society of Metals, Metals Park, OH, 1986, p. 801.
31. H. Mori, M. Komatsu, K. Takeda, and H. Fujita Spontaneous alloying of copper into gold atom clusters Philos. Mag. Lett. 63 1991 173 178
32. F.R. de Boer, R. Boom, W.C. Mattens, A.R. Miedema, Cohesion in Metals-Transition Metal Alloys, North-Holland, Amsterdam, 1989, p. 662.
33. C. Calandra, O. Bisi, and G. Ottaviani Electronic properties on silicon-transition metal interface compounds Surf. Sci. Rep. 4 1985 271 364
34. V. Skumryev, S. Stoyanov, Y. Zhang, G. Hadjipanayis, D. Bivord, and J. Noqués Beating the superparamagnetic limit with exchange bias Nature 423 2003 850 853
35. R.P. Andres, J.D. Bielefeld, J.I. Henderson, D.B. Janes, V.R. Kolagunta, C.P. Kubiak, W.J. Mahoney, and R.G. Osifchin Self-assembly of a two-dimensional superlattice of molecularly linked metal clusters Science 273 1996 1690 1693