Publications

Publications Oral communications Other

Publications


" Vibrationnal modes in in silicon clathrates: A key to understanding superconductivity."
E. Reny, A. San-Miguel, Y. Guyot, B. Masenelli, P. Melinon, L. Saviot, S. Yamanaka, B. Champagnon, C. Cros, M. Pouchard, M. Borowski, A.J. Dianoux , Phys. Rev. B, 66(1), 014532 (2002).

"High-pressure synthesis at the origin of new developments in silicon clathrate physical chemistry."
E. Reny, S. Yamanaka, C. Cros, M. Pouchard, J. of Phys: condensed Matter, 14(44), 11233-11236 (2002).

" A new class of low compressibility materials: clathrates of silicon and related materials."
A. San Miguel, P. Melinon, X. Blasé, F. Tournus, D. Connetable, E. Reny, S. Yamanaka, C. Cros, M. Pouchard, High Pressure Research, 22, 539 (2002)

" A brief overview on low sodium content silicides: are they mainly clathrates, fullerenes, intercal;ation compounds or Zintl phases ?"
M. Pouchard, C. Cros, P. Hagenmuller, E. Reny, A. Ammar, M. Menetrier, J.M. Bassat, Solid State Science, 4(5), 723-729 (2002)

" Pressure stability and low compressibility of intercalated cagelike materials: The case of silicon clathrates."
A. San Miguel, P. Melinon, D. Connetable, X. Blasé, F. Tournus, E. Reny, S. Yamanaka, J.P. Itie, Phys. Rev. B., 65(5), 054109/1-054109/4 (2002)

" Peierls or Jahn Teller effect endohedrally doped silicon clathrates: an EXAFS study"
F. Brunet, P. Melinon, A. San Miguel, P. Keghelian, A. Perez, A.M. Flank, E. Reny, C. Cros and M. Pouchard, High Pressure Research, 22, 539 (2002).

" NMR studies of silicon clathrate compounds "
H. Sakamoto, H. Tou, H. Ishii, Y. Maniwa, H. Ishii, E. Reny and S. Yamanaka, AIP conference proceedings, 590 (nanonetwork materials) (2001)

" Pressure induced Structural phase transistion in Ln2-xNdxCuO4 for Ln = La( 0.6<x<2) and Ln = Pr (x=0)."
H. Wilhelm, C. Cros, E. Reny, G. Demazeau, M. Hanfland, J. of Solis State Chemistry, 151(2), 231-240 (2000)

" High pressure synthesis of an iodine doped silicon clathrate compound. "
E. Reny, S. Yamanaka, C. Cros and M. Pouchard, Chem. Commun., 2505-2506 (2000).

" NMR studies of Superconducting (Ba8AgxSi46-x = 0~6)"
H. Sakamoto, H. Tou, H. Ishii, Y. Maniwa, E. Reny and S. Yamanaka, Physica C Vol. 341-348, pp 2135-2136 (2000).

" High pressure synthesis and properties of silicon clathrate compounds"
S. Yamanaka, H. Fukuoka and E. A. Reny, Fullerene-Nanotube Network News, 2, N°3 (2000).

" Phonon density of states of silicon clathrates: characteristic width narrowing effect with respect to the diamond phase "
P. Mélinon, P. Kéghélian, A. Perez, B. Champagnon, Y. guyot, L. Saviot, E. Reny, C. Cros, M. Pouchard and A.J. Dianoux, Phys. Rev. B, 59, 10099 (1999).

" Grüneisen parameters for silicon clathrates determined by Raman scattering "
Y. Guyot, L. Grosvalet, B. Champagnon, E. Reny, C. Cros and M. Pouchard, Phys. Rev. B, 60, 14507 (1999).

" High pressure behavior of silicon clathrates : a new class of low compressibility materials "
A. San Miguel, P. Keghelian, X. Blase, P. Melinon, A. Perez, J.P itie, A. Polian, E. Reny, C. Cros and M. Pouchard, Physical review letters, 83, p. 5290 (1999). (Focus of Physical Review).

" Electronic signature of the pentagonal rings in silicon-clathrate: comparison with cluster assembled films"
P. Mélinon, P. Keghelian, X. Blase, J. Le Brusc, A. Perez, E. Reny, C. Cros and M. Pouchard, Phys. Rev. B, 58, p. 12590 (1998).

" Structural characterisation of the NaxSi136 and Na8Si46 silicon clathrates using the Rietveld method "
E. Reny, P. Gravereau, C. Cros and M. Pouchard, J. Mat. Chem., 8, p. 2839 (1998).

" Influence of pressure on the crystal structure of Nd2CuO4 "
H. Wilhem, C. Cros, E. Reny, G. Demazeau and M. Hanfland, J.Mat. Chem., 8, p. 2729 (1998).

" Recent developpements on the clathrates M8Si46 and MxSi136 (M = Na, K, Rb, Cs, Ba; 0<x<24) as inclusion compounds of alkali metal in connected fullerene-like cages of silicon. "
C. Cros, E. Reny and M. Pouchard, Mol. Cryst. Liq. Cryst., 310, p. 199 (1998).

" A 23NMR study of NaxSi136 and Na8Si46 silicon clathrates "
E. Reny, M. Ménétrier, C. Cros, M. Pouchard and J. Sénégas, C. R. Acad. Sci., Série IIc, p. 129 (1998).

" Raman scattering of silicon clathrates "
Y. Guyot, B. Champagnon, E. Reny, C. Cros, M. Pouchard, P. Mélinon, A. Perez and I. Gregora, Phys. Rev. B, 57, R9475 (1998).


Communications orales

" High-pressure synthesis at the origin of new developments in silicon clathrate physical chemistry."
E. Reny, S. Yamanaka, C. Cros, M. Pouchard, AIRAPT-18 International
Conference on High-Pressure Science and Technology , 23-27/07/2001, Beijin (China).
2001.

" Focus on a silicon clathrate compound doped with iodine and it's behaviour under high pressure "
E. Reny, S. Yamanaka and A, San Miguel, 20th National Fullerene Symposium, 23-25/01/2001, Okasaki (Japan).

" A new silicon clathrate compound: I8Si46-xIx"
E. Reny, S. Yamanaka and A. San Miguel, International Symposium of Nanonetwork Materials (ISNM2001), 15-18/01/2001, Kamakura (Japon)

" Synthèse par haute pression haute température d'un nouveau clathrate de silicium"
E. Reny, Journées Sciences et Technologies 2000, 13-14/11/2000, Tokyo (Japon).

" Soft X-ray Emission Studies on Ba8Si46 and related Si clathrate compounds"
K. Kobayashi, A. Fukushima, Y. Harada, T. Takeushi, E. Reny, H. Fukuoka, A. Shintani, S. Yamanaka S. Shibagaki, M. Waatanabe, Y. Tanaka, K. Moriguchi, S. Munetoh, M. Yonemura, and S. Shin. Annual meeting of the physical society of Japan, 25-27/08/2000, (Japan)

" New developments in the new silicon clathrate compound: I8-xSi46-y "
E. Reny, H. Fukuoka, C. Cros and S. Yamanaka, 19th National Fullerene Symposium, 27-28/07/2000, Kiryu (Japan).

" A new field of investigation in silicon clathrate chemistry opened by High Pressure Synthesis, preparation of a new compound : I8-xSi46-y "
E. Reny, H. Fukuoka and S. Yamanaka; 18th National Fullerene Symposium, 13-14/01/2000, Okazaki, Japan.

" Les formes clathrates du silicium "
E. Reny, S. Yamanaka and C. Cros; Journée Sciences et Technologies, 28-30/08/99, Tokyo, Japan.

" Les clathrates de silicium Na8Si46 et NaxSi136: Etude par diffraction des rayons X et par RMN du 23Na"
E. Reny, M. Ménétrier, C. Cros and M. Pouchard; G.F.E.C.I. 1998, Font-Romeu (France).

" Diffusion Raman dans les nanostuctures de silicium, clathrates, agregats"
Y. Guyot, B. Champagnon, M. Boudeulle, E. Reny, C. Cros, M. Pouchard, P. Melinon and A. Perez, 8 ème journée des nanotechnologies, 19 nov. 1997, Paris, France.

" Les clathrates de silicium MxSi136 et M2M'6Si46 (M = Na, K, Rb, Cs; M' = Na, K, Rb, Cs, Ba) :Un nouvel axe de recherche prometteur. "
E. Reny, C. Cros and M. Pouchard; Chimie GSO 97, Toulouse (France).


Autres

Posters
" Experimental determination of the electronic and phononic density of states of silicon clathrates, comparison with diamond silicon "
E. Reny, P. Melinon, P. Keghelian, A. Perez, B. Champagnon, Y. Guyot, L. Saviot, C. Cros, M. Pouchard et A. J. dianoux; I.S.I.C. 10 (International Symposium for Intercalation Compounds), 30/05 - 03/06/99, Okazaki, Japan.


" Rietveld refinement of the crystal structure of the non-stoichiometric clathrate NaxSi136"
E. Reny, P. Gravereau, C. Cros et M .Pouchard, I.S.I.C. 9 (International Symposium for Intercalation Compounds), 25-29 may 1997, Bordeaux-Arcachon, France.