Scintillator crystals, method for making same, use thereof

Details Scintillator crystals, method for making same, use thereof Scintillator crystals, method for making same, use thereof

C - Chemistry, Metallurgy

09

K

C09K 11/85 (2006.01) C01F 17/00 (2006.01) C09K 11/77 (2006.01) G01T 1/202 (2006.01)

Patent

CA 2398849

The invention concerns an inorganic scintillator material of general composition M¿1-x?Ce¿x?Cl¿3?, wherein: M is selected among lanthanides or lanthanide mixtures, preferably among the elements or mixtures of elements of the group consisting of Y, La, Gd, Lu, in particular among the elements or mixtures of elements of the group consisting of La, Gd and Lu; and x is the molar rate of substitution of M with cerium, x being not less than 1 mol %and strictly less than 100 mol %. The invention also concerns a method for growing said monocrystalline scintillator material, and the use of said scintillator material as component of a scintillating detector in particular for industrial and medical purposes and in the oil industry.

L'invention a trait à un matériau scintillateur inorganique de composition générale M1-xCexCl3, où M est choisi parmi les lanthanides ou les mélanges de lanthanides, de préférence parmi les éléments ou les mélanges d'éléments du groupe: Y, La, Gd, Lu, notamment parmi les éléments ou les mélanges d'éléments du groupe: La, Gd, Lu, et où x est le taux molaire de substitution de M par du cérium, avec x supérieur ou égal à 1 mole % et strictement inférieur à 100 moles %. L'invention concerne également un procédé de croissance d'un tel matériau scintillateur monocristallin, et l'utilisation d'un tel matériau scintillateur comme composant d'un détecteur de scintillation notamment pour des applications industrielles, médicales ou pétrolières.

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