Lutetium oxide-based transparent ceramic scintillators

Seeley, Zachary; Cherepy, Nerine; Kuntz, Joshua; Payne, Stephen A.

Lutetium oxide-based transparent ceramic scintillators

Patent · Tue Jan 19 04:00:00 EST 2016

OSTI ID:1236559

Seeley, Zachary; Cherepy, Nerine; Kuntz, Joshua; Payne, Stephen A.

In one embodiment, a transparent ceramic of sintered nanoparticles includes gadolinium lutetium oxide doped with europium having a chemical composition (Lu.sub.1-xGd.sub.x).sub.2-YEu.sub.YO.sub.3, where X is any value within a range from about 0.05 to about 0.45 and Y is any value within a range from about 0.01 to about 0.2, and where the transparent ceramic exhibits a transparency characterized by a scatter coefficient of less than about 10%/cm. In another embodiment, a transparent ceramic scintillator of sintered nanoparticles, includes a body of sintered nanoparticles including gadolinium lutetium oxide doped with a rare earth activator (RE) having a chemical composition (Lu.sub.1-xGd.sub.x).sub.2-YRE.sub.YO.sub.3, where RE is selected from the group consisting of: Sm, Eu, Tb, and Dy, where the transparent ceramic exhibits a transparency characterized by a scatter coefficient of less than about 10%/cm.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC52-07NA27344

Assignee:: Lawrence Livermore National Security, LLC

Patent Number(s):: 9,238,773

Application Number:: 13/623,811

OSTI ID:: 1236559

Country of Publication:: United States

Language:: English

References (37)

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