Method for manipulating a rare earth chloride or bromide or...

Details Method for manipulating a rare earth chloride or bromide or... Method for manipulating a rare earth chloride or bromide or...

C - Chemistry, Metallurgy

30

B

C30B 11/00 (2006.01) C30B 15/00 (2006.01) C30B 29/12 (2006.01)

Patent

CA 2489234

The invention concerns a method for manipulating a composition comprising a rare earth halide, in particular in the process of crystal growth from said composition, said crystals being generally of formula A¿e?Ln¿f?X¿(3f+e)?, wherein: Ln represents one or several rare earth(s); X represents one or several halogen atom(s) selected among Cl, Br or I; and A represents one or several alkaline(s) such as K, Li, Na, Rb or Cs; e and f representing values such that e, capable of being null, is not greater than 2f and f is not less than 1. The invention enables growth of single crystals having remarkable scintillation properties.

L'invention concerne la manipulation d'une composition comprenant un halogénure de terre rare, notamment dans le cadre de la croissance de cristaux à partir de ladite composition, lesdits cristaux étant généralement de formule AeLnfX(3f+e) dans laquelle Ln représente une ou plusieurs terre rare(s), X représente un ou plusieur(s) atome(s) d'halogène choisi parmi CI, Br ou I, et A représente un ou plusieurs alcalin(s) comme K, Li, Na, Rb ou Cs, e et f représentant des valeurs telles que e, pouvant être nul, est inférieur où égal à 2f et f est supérieur ou égal à 1. On peut de la sorte procéder à la croissance de monocristaux présentant des propriétés de scintillation remarquables.

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