Výsledky vyhledávání

Site selectivity of DAFS analysis on hexaferrite at Fe K edge by using both monochromatic optics and energy dispersive optics

Autor: J.L. Hodeau, A. Collomb, Alain Fontaine, J. Vacínová, E. Elkaïm, J. P. Lauriat, J. Muller, Michael Hagelstein, Y. Garreau, P. Wolfers

Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 97:115-118

DAFS (Diffraction Anomalous Fine Structure) analysis combines the chemical and short range structural sensitivity of absorption spectroscopy and the long range structural selectivity of diffraction, so it can provide site selective spectroscopy infor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::939cbecaec455f79742572e4b4d414e8
https://doi.org/10.1016/0168-583x(94)00365-3

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Metallic behaviour in copper-lead murdochite oxide

Autor: A. Božić, J.L. Hodeau, D. Dužević, Pierre Strobel, R. Argoud, D. Djurek, Z. Medunić

Publikováno v: Materials Research Bulletin. 28:741-747

The conditions of synthesis and stabilization of murdochite-type Cu 6 O 8 PbCl, by solid state reaction are described. The synthesis of single-phase murdochite-type cuprate requires high oxygen pressure and a copper-deficient starting mixture. Pure p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c775847237acd0e4a369ef86346dcee2
https://doi.org/10.1016/0025-5408(93)90014-5

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High pressure synthesis and structural study of R2CuO4 compounds with R = Y, Tb, Dy, Ho, Er, Tm

Autor: P. Bordet, J.J. Capponi, C. Chaillout, D. Chateigner, J. Chenavas, Th. Fournier, J.L. Hodeau, M. Marezio, M. Perroux, G. Thomas, A. Varela

Publikováno v: Physica C: Superconductivity and its Applications. 193:178-188

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e65048d9cf1b9c045169cb9a1d97e869
https://doi.org/10.1016/0921-4534(92)90885-g

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A New GIC with Titanium Oxide Fluoride: Preparation and Electron Microscope Analysis

Autor: Tsuyoshi Nakajima, T. Fournier, J.L. Hodeau, R. Yazami

Publikováno v: Materials Science Forum. :29-34

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cfd42d9374c45738c58b04f9c2f1826e
https://doi.org/10.4028/www.scientific.net/msf.91-93.29

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In situ characterisation by anomalous X-ray diffraction of the cationic distribution of dehydrated SrRbX zeolite

Autor: B. Rebours, J. F. Bérar, J. Lynch, J.L. Hodeau, C. Pichon, Hervé Palancher

An in situ X-ray diffraction cell (consisting in a motorised sample holder and a small tubular furnace) and a methodology implying X-ray anomalous diffusion (method of contrast) were developed to study structural modifications induced by the dehydrat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d388894f7f731250edc4f71c96309016
https://doi.org/10.1016/s0167-2991(04)80689-x

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Electronic instabilities in the quasi two-dimensional monophosphate tungsten bronze (PO2)4(WO3)2m (m=13)

Autor: J.L. Hodeau, C. Hess, A. Ottolenghi, Jean-Paul Pouget, J. Marcus, C. Schlenker

Publikováno v: Synthetic Metals. 86:2169-2170

Single crystals of (PO 2 ) 4 (WO 3 ) 2m (m=13) have been studied by x-ray diffuse scattering and transport (resistivity, Hall effect and thermopower) measurements. Three instabilities are found at T c0 =510K, T c1 =550K and T c2 =160K with modulation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8994adfd8b5eb1b8534b27e0a87061c7
https://doi.org/10.1016/s0379-6779(97)81080-6

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Metal-insulator transitions in (Ti1-xVx)4O7

Autor: J.L. Hodeau, C. Schlenker, S. Lakkis, S Ahmed, M. Marezio

Publikováno v: Journal of Physics C: Solid State Physics. 10:L151-L156

X-ray crystallographic studies, electrical resistivity and thermal analysis measurements have been performed on (Ti0.994V0.006)4O7 single crystals. It is shown that the incorporation of V stabilizes the disordered intermediate phase of pure Ti4O7.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a5ba7a3e589d60b63364baf4b616599
https://doi.org/10.1088/0022-3719/10/7/001

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Twinning in Ti4O7

Autor: J.L. Hodeau, C. Schlenker, S. Lakkis, R. Buder, M. Marezio

Publikováno v: Journal of Applied Crystallography. 9:391-393

Twinning has been studied in Ti4O7 crystals. It has been found that they are twinned by reticular pseudomerohedry. The sublattice controlling the twinning has an orthorhombic pseudosymmetry and is obtained from the triclinic cell (a = 5.593, b = 7.12

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9f7f152c326c21687809a43ffd9947f9
https://doi.org/10.1107/s0021889876011680

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