Zobrazeno 1 - 10
of 318
pro vyhledávání: '"C. Jeandey"'
Publikováno v:
Journal of Physics and Chemistry of Solids. 62:1023-1037
X-ray diffraction and Mossbauer spectroscopy have been used to investigate the chemical state of a supported iron–cobalt catalyst during the disproportionation of carbon monoxide at 800 K. The results of this study have demonstrated a strong implic
Publikováno v:
Journal of Physics: Condensed Matter. 8:4259-4268
An extensive Mossbauer study of the new compound is reported. This material reveals only a purely axially symmetric quadrupole interaction down to 4.2 K, and its isomer shift suggests the occurrence of a charge state. A careful analysis of the intens
Autor:
Eric Ressouche, C. Jeandey, P. Burlet, R.R. Arons, J.C. Spirlet, J. Larroque, Eric Colineau, J. L. Oddou, A. Blaise, J. P. Sanchez, Jean Rebizant
Publikováno v:
Journal of Magnetism and Magnetic Materials. 135:183-190
The magnetic properties of polycrystalline samples of NpAl 3 , having the cubic AuCu 3 -type structure, have been re-examined by neutron diffraction and 237 Np Mossbauer measurements. They show that, contrary to earlier data (ferromagnetic order at 6
Publikováno v:
Journal de Chimie Physique. 91:1862-1867
Nous decrivons un nouveau spectrometre continu a 0.01 Tesla. Sa sensibilite mesuree est de 3.4.10 17 spins. T 1 . Des spectres obtenus avec des radicaux en solution ou a l'etat solide ainsi que quelques applications en mesure d'oxygene sont presentes
Autor:
J.L. Oddoue, Daniel Meyer, C. Jeandey, M. N. Peron, J.C. Spirlet, Y. Kergadallan, J.M. Winand, S. Zwirner, Jean Rebizant, J.P. Sanchez, Eric Colineau, G.M. Kalvius, Heinz Nakotte, Ladislav Havela
Publikováno v:
Journal of Alloys and Compounds. 201:203-208
We have prepared an extended group of compounds of the general formula An 2 T 2 X (AnU, Np; T Ni, Co, Rh, Pd, Pt, Ir; XIn, Sn), which crystallize in the tetragonal structure (U 3 Si 2 type). The lattice parameters and atomic positions were d
Publikováno v:
Solid State Communications. 85:419-422
Mossbauer experiments have been performed on the Tb(Mn 0.96 Fe 0.04 ) 2 intermetallic compound from liquid nitrogen temperature down to liquid helium temperature. Above 34 K, the obtained spectra are interpreted in a two sites model with populations
Autor:
J.M. Winand, S. Zwirner, G. M. Kalvius, J. L. Oddou, J.C. Spirlet, Eric Colineau, Heinz Nakotte, M. N. Peron, J. P. Sanchez, Y. Kergadallan, C. Jeandey, Daniel Meyer, Ladislav Havela, J. Rebizant
Publikováno v:
ChemInform. 25
Publikováno v:
Journal of Magnetism and Magnetic Materials. 115:223-229
Mossbauer spectra recorded at T = 300 and 4 K with an applied magnetic field up to 8 T were analyzed with a full Hamiltonian, assuming a non-magnetic contribution and a hyperfine field distribution for the magnetic iron atoms. The mean hyperfine fiel
Publikováno v:
Sensors and Actuators B: Chemical. 6:266-269
The lithium phthalocyanine radical PcLi is a molecular semiconductor exhibiting an extremely narrow ESR line. The influence of oxygen on the linewidth is attributed to the free circulation of paramagnetic dioxygen molecules inside the crystal structu
Publikováno v:
Solid State Communications. 79:217-221
Amorphous Fe x Si 100−x /Si multilayers were prepared by a dc-triode sputtering system. The thickness of the Fe x Si 100−x layer ( d FeSi ) ranged from 10 to 120 A, while the Si layer thickness ( d Si ) was fixed at d Si =0.5 d FeSi . The magneti