Zobrazeno 1 - 10
of 108
pro vyhledávání: '"MICHELINE GUITTARD"'
Publikováno v:
Materials Research Bulletin. 30:671-678
Study by X-ray diffraction of various mixtures of CaS and Yb 2 S 3 after heating at 1200 °C, reveals the existence of continuous domains of solid solutions with successively a NaCl-type cubic unit cell (parameter a), a cubic unit cell (parameter 2a)
Publikováno v:
Materials Research Bulletin. 28:213-219
In the ternary Yb-In-S system two phases were identified and their structure determinated on single crystal by X-ray diffraction. Yb[sub 4/3]In[sub 4/3]S[sub 4] belongs to a solid solution, it has a cubic structure intermediate between spinel and NaC
Publikováno v:
Journal of Solid State Chemistry. 102:423-433
A description of the phase diagram for Ga-S and structural studies of all the solid phases are given. Two types of compounds are found (1). "Ga 2 S 3 " occurs in four forms. The monoclinic form α' is exactly stoichiometric and stable from room tempe
Publikováno v:
ChemInform. 23
Autor:
Micheline Guittard, A. Likforman
Publikováno v:
ChemInform. 24
Publikováno v:
ChemInform. 25
Publikováno v:
ChemInform. 26
Publikováno v:
Materials Research Bulletin. 27:1083-1089
Examination by X-ray diffraction of various mixtures of FeS and Yb2S3 after heating, at 1200°C reveals the existence of domains of solid solution with rock salt and spinel type structure. The structure of each type has been solved by three dimension
Autor:
S. Barnier, M. Massot, Micheline Guittard, C.M. Julien, M. Palazzi, Ecrepont C, A.M. Loireau-Lozac'h
Publikováno v:
Journal of Solid State Chemistry. 97:348-357
The phase diagram of the La2S3Ga2S3Bi2S3 ternary system is described. DTA measurements have been carried out on a large variety of glass, and the glass formation domain has been defined with the investigation of Tg, Tc, and the endothermic peak
Publikováno v:
Materials Research Bulletin. 26:707-713
This phases diagram determined by DTA and X-ray diffraction, shows one intermediate compound Y6Al103S14 with an order-disorder transition at 960°C and a congruent melting at 1160°C. Two eutectics are present: at 1100°C (n = 0.25), (n = AlAl + Y) a