Abstract:
The invention concerns an inorganic scintillator material of general composition M1-xCexCl3, 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.
Abstract:
The invention pertains to a neutron detector comprising a scintillating material of the generic formula Cs ( 2-z ) Rb Z LiLn(1- X )X 6 : xCe 3+ , where X is either Br or I, Ln is Y or Gd or Lu or Sc or La, where z is greater or equal to 0 and less or equal to 2, and x is above 0.0005, generally under the form of monocristal. The scintillating material has a remarkably low decay time.
Abstract translation:本发明涉及一种中子检测器,其包括通式为Cs(2-z)R b R z LiLn(1-Sub)的闪烁材料 其中X为Br或I,Ln为Y或Gd或Lu或Sc或La,其中z为X或X, 大于或等于0且小于或等于2,并且x大于0.0005,通常为单晶形式。 闪烁材料具有非常低的衰减时间。
Abstract:
Material centelleador inorgánico del tipo yoduro de fórmula AxLn(y-y'')Ln''y, I(x+3y) en la que - A representa al menos un elemento elegido entre Li, Na, K, Rb, Cs, - Ln representa al menos una primera tierra rara elegida entre La, Gd, Y, Lu, siendo dicha primera tierra rara de valencia 3+ en dicha fórmula, - Ln'' representa al menos una segunda tierra rara elegida entre Ce, Tb, Pr, siendo dicha segunda tierra rara de valencia 3+ en dicha fórmula, - x es número entero y representa 0, 1, 2 ó 3, - y es número entero o no entero y superior a 0 e inferior a 3, - y'' es número entero o no entero, superior a 0 e inferior a y.
Abstract:
Material centelleante inorgánico de composición general M1-xCexBr3 en el que: M se elige entre los lantánidos o las mezclas de lantánidos del grupo: La, Gd, Y, y especialmente se elige entre los lantánidos o las mezclas de lantánidos del grupo: La, Gd, y en el que: x es el nivel molar de sustitución de M por cerio, con x superior o igual a 0, 0001 y estrictamente inferior a 1.
Abstract:
The invention relates to an inorganic rare-earth iodide scintillation material of formula A X Ln (y-y',) Ln' y' I (x+3y) in which: A represents at least one element selected among Li, Na, K, Rb, Cs; Ln represents at least one first rare-earth element selected among La, Gd, Y, Lu, said first rare-earth element having a valency of 3+ in the aforementioned formula: Ln' represents at least one second rare-earth element selected among Ce, Tb, Pr, said second rare-earth element having a valency of 3+ in the aforementioned formula, x is an integer and represents 0, 1, 2 or 3; y is an integer or non-integer greater than 0 and less than 3, and; y' is an integer or non-integer greater than 0 and less than y. This material presents a high stopping power, a rapid decay time, in particular, less than 100 ns, a good energy resolution (in particular, less than 6% at 662 keV) and a high luminous level. This material can be used in nuclear medicine equipment, in particular, in Anger-type gamma cameras and in positron emission tomography scanners.
Abstract:
The invention concerns a material comprising a compound of formula Pr(1-x-y)LnyCexX3 wherein—Ln is chosen from the elements or mixtures of at least two elements, of the group: La, Nd, Pm, Sm, Eu, Gd, Y, —X is chosen from the halides or mixtures of at least two halides, of the group: Cl, Br, I, —x is above 0.0005 and is lower than 1, —y is from 0 to less than 1 and—x+y) is less than 1, and its use as scintillation detector, for example in PET scanner with time of flight capabilities.