Zobrazeno 1 - 10
of 102
pro vyhledávání: '"M. Wintenberger"'
Publikováno v:
Journal of Magnetism and Magnetic Materials. 147:167-176
The sensitivity to composition of the magnetic properties of Cr 3 ± x Se 4 has been studied on two samples by neutron diffraction and magnetic measurements. For Cr 2.9 Se 4 the moments order at T N ≌ 160 K with k = 1 2 , τ, −1 2 (referred to th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16a4016f9f7355fafa16860f8a07e7fe
https://doi.org/10.1016/0304-8853(94)01663-1
https://doi.org/10.1016/0304-8853(94)01663-1
Publikováno v:
Materials Research Bulletin. 30:225-232
Vibrational spectra of LaCrOS2 and LaCrOSe2 single crystals have been studied by far-infrared absorption and Raman scattering spectroscopy. Raman and infrared bands are analyzed according to the crystal structure which is built up by interconnection
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13e94d20692a0ebd7182eff6fba94cb6
https://doi.org/10.1016/0025-5408(94)00125-1
https://doi.org/10.1016/0025-5408(94)00125-1
Publikováno v:
Journal of Magnetism and Magnetic Materials. 132:31-45
A sample of isocubanite (CuFe2S3) collected in a suboceanic hydrothermal deposit was found to have transformed formed after a few months into a very intimate mixture of similar amounts of chalcopyrite (CuFeS2) and a new phase of composition close to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b32a681284e07193c7c22337f0d239e1
https://doi.org/10.1016/0304-8853(94)90297-6
https://doi.org/10.1016/0304-8853(94)90297-6
Publikováno v:
Solid State Communications. 87:309-312
The rhombohedral (R 3 ) compounds green dioptase, CuSiO3H2O, and black dioptase, CuSiO3, are both antiferromagnetic. Their Neel temperatures are respectively near 50 and 110 K. The magnetic structure of the anhydrous compound has been studied by powd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63a8ea6c4928e99f2f2fa89ee0b28dfa
https://doi.org/10.1016/0038-1098(93)90649-8
https://doi.org/10.1016/0038-1098(93)90649-8
Autor:
A. Busnot, Bernard Viossat, Dung Nguyen-Huy, M. Wintenberger, J. Niclos Gutierrez, J. M. Gonzalez Perez
Publikováno v:
Scopus-Elsevier
Homonuclear compounds [M(H 2 O) 6 [M 2 L 2 (H 2 O) 2 ]·4H 2 O (M(II)Co(II) or Zn(II), L 3− =anion of N , N -bis(carboxymethyl)-β-alanine or ((2-carboxyethyl)imino)diacetic acid) have been synthesized and characterized by chemical analysis, mag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bad79fac1578874cd4f89e737775a8df
https://doi.org/10.1016/s0020-1693(00)85077-x
https://doi.org/10.1016/s0020-1693(00)85077-x
Publikováno v:
Materials Research Bulletin. 26:295-299
The system Ga2S3NiS was studied by DTA and XRD. Only one compound was found: NiGa2S4, of αFeGa2S4 type, with a peritectic decomposition at 1030°C. This compoun remains paramagnetic down to 15 K. A comparison is made with the systems Ga2S3MS w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::282d66a38908510d88e92b7ca71c505f
https://doi.org/10.1016/0025-5408(91)90024-g
https://doi.org/10.1016/0025-5408(91)90024-g
Publikováno v:
Materials Research Bulletin. 25:1291-1298
Samples of the system MnS/1bYbS/1bYb2S3 are prepared by heating a proper mixture of MnS, Yb2S3 and Yb, then quenching. On the line YbS/1bMnS there is a continuous solid solution in the whole range of compositions, with a NaCl-type cubic unit cell (pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::750578b2dacfaa94147afd88ef01cccf
https://doi.org/10.1016/0025-5408(90)90087-i
https://doi.org/10.1016/0025-5408(90)90087-i
Publikováno v:
Journal of Magnetism and Magnetic Materials. 87:123-129
The magnetic properties and magnetic structure of sternbergite (crystallographic space groupe Ccmb) have been studied by single crystal neutron diffraction and Mossbauer spectroscopy. The magnetic space group is Cc′m′b′ and the moments are, at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57323e7bb2f9d86c56ed1c25c4784312
https://doi.org/10.1016/0304-8853(90)90205-5
https://doi.org/10.1016/0304-8853(90)90205-5
Autor:
M Palazzi, M Wintenberger
Publikováno v:
Materials Research Bulletin. 25:365-369
Low temperature magnetization measurements are reported for the title compounds. They show that for high values of x when x decreases the lowering of Eu 2+ concentration in compensated by an increase of the ferromagnetic n-n interaction due to the la
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d803bd99ccb015df6e9f16312b503984
https://doi.org/10.1016/0025-5408(90)90109-f
https://doi.org/10.1016/0025-5408(90)90109-f
Autor:
Gilles André, M. Wintenberger
Publikováno v:
Physica B: Condensed Matter. 162:370
By neutron diffraction berthierite (space group Pnam) is shown to order magnetically at T N = 50 K , although the magnetic susceptibility maximum is a plateau extending from 50 to 70 K. The magnetic structure is a spiral with a propagation vector k z
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27d8afe33d864269fac78b425e7c5402
https://doi.org/10.1016/0921-4526(90)90035-s
https://doi.org/10.1016/0921-4526(90)90035-s