Cerium compounds as scintillators

Conference · Tue Jan 01 00:00:00 EST 1991

OSTI ID:5826459

Wojtowicz, A J; Berman, E; Koepke, C; Lempicki, A

Stoichiometric Ce-materials with negligible Ce-Ce interactions should have superior scintillator properties. We present two materials: CeF{sub 3} and Ce{sub x}La{sub 1-x}P{sub 5}O{sub 14}. While cerium trifluoride is a known scintillator, pentaphosphate is of a limited usefulness, except as a remarkable model material. We show that quenching in fluoride is responsible for loss of 50% of the light output and is the cause of the, so-called, ultra fast component (2 ns). Light output of fluoride (about 50% of BGO) could be significantly improved. Deeper understanding of Ce-systems is needed to fully exploit their potentials. 10 figs., 6 refs.

• Research Organization: Boston Univ., MA (United States). Dept. of Chemistry
• Sponsoring Organization: USDOE; USDOE, Washington, DC (United States)
• DOE Contract Number: FG02-90ER61033
• OSTI ID: 5826459
• Report Number(s): CONF-911106-83; ON: DE92008737
• Resource Relation: Conference: IEEE nuclear science symposium, Santa Fe, NM (United States), 5-9 Nov 1991
• Country of Publication: United States
• Language: English

Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
CERIUM COMPOUNDS
LUMINESCENCE
SCINTILLATION COUNTERS
EMISSION SPECTRA
CERIUM FLUORIDES
CERIUM PHOSPHATES
LANTHANUM PHOSPHATES
QUENCHING
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
LANTHANUM COMPOUNDS
MEASURING INSTRUMENTS
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
RADIATION DETECTORS
RARE EARTH COMPOUNDS
SPECTRA
440101* - Radiation Instrumentation- General Detectors or Monitors & Radiometric Instruments