J. Bruno, P. Mégy, R. Bartenlian, B. Beauvillain, P. Chappert et al., Inverse giant magnetoresistance (invited), Journal of Applied Physics, vol.79, p.5270, 1996.

O. A. Zubavichus, Y. V. Neretin, I. S. Golub, A. S. Novikov, Y. N. Mednikov et al., Atomic structure of nanomaterials: combined X-ray diffraction and EXAFS studies, Journal of Alloys and Compounds, vol.382, p.46, 2004.

Y. L. Et, S. , and V. I. , Magnetic resonances in ferrofluids: temperature effects, Journal of Magnetism and Magnetic Materials, vol.149, p.34, 1995.

D. Lacheisserie and É. , Magnétisme I fondements Presses, 1999.

-. Diu-b, L. F. Weiss, and P. , Mécanique quantique II, J. Phys. Rad, vol.8, issue.4, p.469, 1907.

C. Magnetism, R. , G. Et, S. , and H. , Exchange interactions among itinerant electrons, 1966.

P. Stearns, M. B. Par, W. , H. P. Landolt-börnstein-in, R. et al., Large Magnetocristalline anisotropy in bilayer transition metal phases from first-principles full-potential calculations, 3d, 4d, and 5d Elements, Alloys and Compounds, édité Thèse de doctorat, p.144409, 1986.

P. Blundell, S. Osborn, J. A. Ashcroft, N. W. Et, M. N. Sabiryanov-;-r et al., Magnetism in Condensed Matter Demagnetizing Factors of the General Ellipsoid, Physical review 67, Ab initio calculations of the Curie tempreature of complex permanent magnet materials Sm2Fe16A, pp.865-351, 1945.

P. Et, W. , and E. P. , The curie temperature of the ferromagnetic transition metals and their compounds, Journal of Physics F Metal Physics, vol.17, p.2421, 1987.

Y. Et, L. , and W. , Calculation of the band structure and Curie temperature for Y 2

E. R. Et, C. , H. B. Inoue, K. Shima, H. Fujita et al., Temperature dependance of magnetocristalline anisotropy constants in the single variant state of L1 0 type FePt bulk single crystal, Anisotropic magnetization Journal of Physics and Chemistry of Solids Applied Physics Letters, vol.16, issue.88, pp.310-102503, 1960.

B. , R. Et, D. , T. Dormann, J. L. Fiorani et al., Anisotropy field of small particles measured by resonance Magnetic relaxation in fine particles systems Advances in Chemical Physics, Ferromagnetism in fcc Twinned 2.4 nm Size Pd Nanoparticles Physical Review Letters 91 Magnetic nanoparticules Journal of Magnetism and Magnetic Materials, pp.49-2466, 1978.

P. Et, R. , J. P. Labaye, Y. Crisan, O. Berger et al., Surface anisotropy of transition metal ultrathin films Applied Physics A 49 Surface anisotropy in ferromagnetic nanoparticles, Journal of Applied Physics, vol.30, issue.91, pp.499-8715, 1989.

F. Bacri, J. C. Gendron, F. Perzynski, R. Raikher, Y. L. Stepanov et al., Magnetic resonance of ferrite nanoparticules: evidence of surface effects, Magnetic Anisotropy of a Single Cobalt Nanocluster Physical Review Letters, pp.175-4676, 1998.

S. P. González, J. M. Hernando, A. Et, Y. , and F. J. , Spin-wave excitations in ribbon-shaped Fe nanoparticles, Physical Review B, vol.69, p.12403, 2004.

W. C. Huang, P. C. Song, K. J. Et, L. , and M. S. , Enhanced Curie temperatures in Fe and Co magnetic nanoparticle assembly on single-crystalline Al 2 O 3 /NiAl(100) with normal metal capping layer, Applied Physics Letters, vol.88, p.153117, 2006.

M. E. Barber, M. N. Barber, and M. N. , Scaling Theory for finite-size effects in the critical region, phase transitions and critical phenomena edited by C. DOMB et J. L. LEBOWITZ (academic, pp.1516-145, 1972.

X. F. Zhao, M. Et, J. , and Q. , Curie transition temperature of ferromagnetic low-dimensional metals, Thin Solid Films, vol.472, p.328, 2005.

W. H. Sun, S. Q. Tay, B. K. Li, S. Bai, H. L. Et et al., Curie temperature suppression of ferromagnetic nanosolids Ferromagnetism in small clusters, Journal of Physics: Condensed Matter Physical Review Letters, vol.14, issue.66, pp.399-938, 1991.

L. Djéga-mariadassou, C. Et, B. , P. Cheng, Z. H. Zhang et al., Enhancement of the Curie temperature of the amorphous intergranular phase in Sm?Fe?Ga?C nanocomposite permanent magnetic materials Jounral of Physics: Condensed Matter 15 Size-dependent Curie temperature in nanoscale MnFe 2 O 4 particles Curie-temperature enhancement of ferromagnetic phases in nanoscale heterogeneous systems Thickness-dependant Curie temperature of ultrathin magnetic films : effect of the srange of spin-spin interactions, Third-order elastic constants, vibrational anharmonicity, and the Invar behavior of the Fe72Pt28 alloy Phase stability criteria for cubic and orthorhombic Fe3Pt and Fe3Pd, pp.93906-267, 1991.

S. Harrell, J. W. Et, N. , D. E. Qadri, S. B. Keller et al., Reduction of the fcc to L10 Ordering Temperature for Self- Assembled FePt Nanoparticles Containing Ag Nanometters 2 Structural and magnetic properties of nanocrystalline FePd alloys prepared by organo-metallic synthesis, Structural studies of L1 0 FePt nanoparticles Applied Physics Letters, pp.1033-587, 2002.

Y. Majetich, S. A. Kim, J. Barmak, K. , R. et al., Sintering prevention and phase transformation of FePt nanoparticules, Journal of Magnetism and Magnetic Materials, vol.284, p.336, 2004.

K. Ichitsubo, D. Laughlin, S. Kumar, M. Tanase, W. Et et al., Crystallographic aspects of L1 0 magnetic materials Scripta materalia 53 Synthesis and characterization of L1 0 FePt nanoparticles from Pt-Fe 3 O 4 core-shell nanoparticles, Journal of Applied Physics Journal of Magnetism and Magnetic Materials, vol.96, issue.294, pp.6220-95, 2004.

M. Et, N. , and D. E. , Synthesis of spherical FePd and CoPt nanoparticules, Journal of Applied Physics, vol.91, issue.57, pp.15-43, 1999.

I. , T. Kakihara, Y. Toda, T. Abdullah, M. Et et al., Preparation of high coercivity magnetic FePt nanoparticles by liquid process The effect of Mn doping in FePt nanoparticles on the magnetic properties of the L1 0 phase Structural and magnetic properties of FePt : SiO 2 granular thin films Transformation to L1 0 structure in FePd nanoparticles synthesized by modified polyol process, 58 PCPDFWIN v. 2.02 Ferromagnetic resonance in epitaxial FePd thin films with perpendicular anisotropy Journal of Magnetism and Magnetic Materials, pp.6807-4270, 1999.

J. S. Lim, B. C. Ding, Y. F. Et, C. , G. M. Laughlin et al., Low-temperature deposition of L10 FePt films for ultrahigh density magnetic recording Crystallographic aspects of L1 0 magnetic materials Magnetic and mechanical properties of (Fe, Co)?Pt bulk alloys prepared through various processing techniques, ferrite nanoparticles prepared by ball milling Synthesis and Properties of Mechanically Alloyed and Nanocrystalline Materials, pp.383-8810, 2002.

V. , J. A. Spiller, G. D. Hanbücken, and M. , Nucleation and growth of thin films, Materials Science Forum Reports on Progress in Physics, vol.235, issue.68, pp.145-192, 1984.

K. Bian, B. Et, H. , and Y. , Fabrication of oriented L10-FePt and FePd nanoparticles with large coercivity, Journal of Applied Physics, vol.91, p.8516, 2002.

K. Et, H. , and Y. , Structure and magnetic property changes of epitaxially grown L1 0 -FePd isolated nanoparticles on annealing, Journal of Applied Physics, vol.93, p.6291, 2003.

C. Klemmer, T. J. Shukla, N. Wu, X. Weller, D. Tanase et al., Oxidation of FePt nanoparticules Catalyst consumption during growth of carbon nanofilaments on Pd seeds Bulk and surface phases of iron oxides in an oxygen and water atmosphere at low pressure, Journal of Magnetism and Magnetic Materials Applied Physics Letters Physical Chemistry Chemical Physics, vol.266, issue.3, pp.96-5376, 2001.

S. , G. Toshima, N. Et, Y. , and T. , Large clusters and colloids. Metals in the embryonic state Bimetallic nanoparticules ? novel materials for chemical and physical applications, Chemical Reviews New Journal of Chemistry, vol.92, issue.11, pp.1709-1179, 1992.

C. B. Sun, S. Gaschler, W. Doyle, H. A. Betley-t, K. Et et al., Colloidal synthesis of nanocrystals and nanocrystal superlattices Controlled Synthesis and Assembly of FePt Nanoparticles, IBM Journal of Research & Development Journal of Physical Chemistry B, vol.45, issue.107, pp.47-5419, 2001.

M. Kim, J. Liu, J. P. , F. , H. Et et al., Synthesis of FePt Nanocubes and Their Oriented Self- Assembly, One step synthesis of highly crystalline and high coercive cobalt-ferrite nanocrystals Chemical Communication 38, pp.7132-4818, 2005.

M. Dupuis, V. Mélinon, P. Guiraud, G. Et, P. et al., Structure and magnetism of well defined cobalt nanoparticles embedded in a niobium matrix, Pyhsical Review B, vol.62, p.493, 2000.

K. Kajiwara, T. Fujiyoshi, M. Ishimaru, M. Hirotsu, H. Shinohara et al., Effects of surface step and substrate temperature on nanostructure of L1 0 ? FePt nanoparticles, Journal of Applied Physics, vol.93, issue.87 1, p.7414, 1999.

P. , T. Et, and R. B. Neder, DISCUS, a program for diffuse scattering and defect structure simulations, J. Appl. Crystallogr, vol.30, p.171, 1997.

. Th, R. B. Proffen, and . Neder, DISCUS, a program for diffuse scattering and defect structure simulations - Update, J. Appl. Crystallogr, vol.32, p.838, 1999.

S. , P. Souza-santos, H. Et, T. , S. P. Ollivier et al., Standard Transition Aluminas Crystal structure of -alumina: an X-ray powder diffraction, TEM and NMR study Structural and magnetic model of self-assembled FePt nanoparticle arrays Basic principles and data analysis Following the formation of nanometer-sized clusters by time-resolved SAXS and EXAFS techniques, Electron Microscopy Studies Materials Research Journal of Material Chemistry Journal of Applied Physics, vol.3, issue.93, pp.104-1049, 1985.

J. Et, W. , and J. , Grain-boundary atomic structure in nanocrystalline palladium from x-ray atomic distribution functions, Physical Review B, vol.52, p.7076, 1995.

J. J. Et, A. , and R. C. , Theoretical approaches to x-ray absorption fine structure, Rev. Mod. Phys, vol.72, pp.621-654, 2000.

R. , B. Klementev, K. V. Ravel, B. Et, N. M. Athena et al., ATOMS: crystallography for the X-ray absorption spectroscopist Extraction of the fine structure from x-ray absorption spectra HEPHAESTUS: data analysis for X-ray absorption spectroscopy using study of oxygen plasma-treated micronized iron oxide, Liste des commandes associées au programme FEFF 8.2 http. V. et VLASENKO, V. G. Iron(III) Oxide Nanoparticles in a Polyethylene Matrix, pp.314-178, 2001.

T. W. Huang, Y. H. Tu, T. H. Et, L. , and C. H. , X-ray diffraction and absorption spectroscopy studies of the structure of self-assembled FePt nanoparticles during annealing, Journal of Magnetism and Magnetic Materials, vol.282, pp.282-127, 2004.
DOI : 10.1016/j.jmmm.2004.04.030

A. , S. Toney, M. F. Thomson, T. Thiele, J. Terris et al., X-ray studies of magnetic nanoparticle assemblies X-ray absorption and diffraction studies of thin polymer FePt nanoparticle assemblies, Journal of Applied Physics Journal of Applied Physics, vol.93, issue.108, pp.7343-6299, 1966.

R. Berger, J. C. Bissey, and J. Kliava, Lineshapes in magnetic resonance spectra, Journal of Physics: Condensed Matter, vol.12, issue.44, p.9347, 2000.
DOI : 10.1088/0953-8984/12/44/315

A. , C. Lindner, J. Et, F. , and M. , Magnetic anisotropy and its temperature dependence in iron-rich Fe x Pt 1x nanoparticles, Europhysics Letters, vol.70, p.250, 2005.

S. K. Misiak, L. E. Bahadur, D. Srinivas, V. Et, D. et al., Ferromagnetic resonance study of icosahedral and amorphous Al 55 Mn 20 Si 25 alloys Relaxation effects in para-and ferromagnetic resonance, Physical Review B Review, vol.40, issue.93, pp.7537-72, 1954.

J. Berger, R. Abragam, A. Bleaney, and B. , Magnetic resonance spectroscopy of iron-doped glasses: From isolated ions to clusters and nanoparticules, Recent Research Developments in Non-Crystalline Solids 3 Electron paramagnetic resonance of transition ions, p.41, 1970.

K. H. Wu, J. H. Huang, Y. Y. Et, W. , and L. Y. , Critical size effects on the magnetic resonance in Fe 3 O 4 nanoparticles, Journal of Applied Physics, vol.97, p.114322, 2005.