Published March 1987 | Version v1
Journal article Metadata-only

Luminescence properties of Ce/sup 3+/ and Tb/sup 3+/ in a new family of boron-rich alkaline earth rare earth borates

Creators

  • 1. Laboratoire de Chimie du Solide du CNRS, Universite de Bordeaux I, 351, cours de la Liberation, 33405 Talence cedex

Description

A novel family of borates formulated MLnB/sub 9/O/sub 16/ (M = Sr or Ba, Ln = rare earth), is reported. Under UV excitation BaLaB/sub 9/O/sub 16/:Ce/sup 3+/ shows an emission band peaking at 350 nm. Its quantum efficiency is almost independent of Ce/sup 3+/ concentration. Energy transfer from Ce/sup 3+/ to Tb/sup 3+/ is efficient for the composition BaCe/sub 1-x/Tb/sub x/B/sub 9/O/sub 16/ when x exceeds 0.3, owing to the overlap of the Ce/sup 3+/ emission band with the most intense f-f Tb/sup 3+/ absorption lines. The Tb/sup 3+/ emission sensitized by Ce/sup 3+/ shows a very intense green color; its stability in a mercury vapor lamp has been checked

Additional details

Publishing Information

Journal Title
Mater. Res. Bull.
Journal Volume
22
Journal Issue
3
Series
Mater. Res. Bull.
Journal Page Range
389-398
ISSN
0025-5408
CODEN
MRBUA

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
18072682
Subject category
S36: MATERIALS SCIENCE;
Descriptors DEI
ABSORPTION; BARIUM COMPOUNDS; BORATES; CERIUM COMPOUNDS; CHEMICAL COMPOSITION; COLOR; EMISSION; LIGHT SOURCES; LUMINESCENCE; MERCURY; RARE EARTH COMPOUNDS; STABILITY; STRONTIUM COMPOUNDS; TERBIUM COMPOUNDS
Descriptors DEC
ALKALINE EARTH METAL COMPOUNDS; BORON COMPOUNDS; ELEMENTS; METALS; OPTICAL PROPERTIES; ORGANOLEPTIC PROPERTIES; OXYGEN COMPOUNDS; PHOTON EMISSION; PHYSICAL PROPERTIES; RADIATION SOURCES