	US 12,247,151 B2
	Doped BeO compounds for optically stimulated luminescence (OSL) and thermoluminescence (TL) radiation dosimetry
Zehra Yegingil, Adana (TR); Enver Bulur, Ankara (TR); Volkan Altunal, Adana (TR); Yan Yu, Philadelphia, PA (US); Veysi Guckan, Adana (TR); and Adam Dicker, Merion Station, PA (US)
Assigned to Thomas Jefferson University, Philadelphia, PA (US); and Cukurova University, (TR)
Appl. No. 17/252,520
Filed by THOMAS JEFFERSON UNIVERSITY, Philadelphia, PA (US); and CUKUROVA UNIVERSITY, Saricam (TR)
PCT Filed Jun. 17, 2019, PCT No. PCT/US2019/037487 § 371(c)(1), (2) Date Dec. 15, 2020, PCT Pub. No. WO2019/241781, PCT Pub. Date Dec. 19, 2019.
Claims priority of provisional application 62/685,649, filed on Jun. 15, 2018.
Prior Publication US 2021/0261861 A1, Aug. 26, 2021
Int. Cl. C09K 11/77 (2006.01); C01F 3/02 (2006.01); G01T 1/10 (2006.01)

CPC C09K 11/7774 (2013.01) [C01F 3/02 (2013.01); C09K 11/7769 (2013.01); G01T 1/10 (2013.01); C01P 2002/52 (2013.01); C01P 2002/70 (2013.01); C01P 2006/37 (2013.01)]

16 Claims

1. A polycrystalline powder capable of storing energy of incident ionizing radiation and releasing at least part of the stored energy upon optical stimulation and heating, the polycrystalline powder comprising a base material comprising beryllium oxide (BeO) and of the following dopants or combinations of dopants:

(a) dysprosium (Dy), erbium (Er), and optionally sodium (Na);

(b) magnesium (Mg) and optionally at least one additional dopant selected from the group consisting of aluminum (Al), sodium (Na), dysprosium (Dy), erbium (Er), calcium (Ca), lithium (Li), copper (Cu), cobalt (Co), terbium (Tb), gadolinium (Gd), lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), samarium (Sm), and europium (Eu);

(d) aluminum (Al), calcium (Ca), and lanthanum (La).