Paper Title:
Fabrication and Luminescent Properties of Translucent Ce3+:Lu2SiO5 Ceramics by Spark Plasma Sintering
  Abstract

The spark plasma sintering (SPS) technique was employed to investigate the fabrication of cerium-doped lutetium orthosilicate (Ce:Lu2SiO5, LSO) polycrystalline scintillation ceramics starting from nanosized Ce:LSO powders synthesized by sol-gel processing. Fully-densed polycrystalline Ce:LSO ceramics with fine grains were fabricated on optimal sintering conditions of 1350°C for 5 min under pressure of 50 MPa. Translucent monolithic Ce:LSO ceramic sample was obtained with excellent luminescent characteristics after being annealed in air at 1000°C for 15 hrs. Under 360 nm UV excitation, a broad emission peak centered at 425 nm was detected for Ce:LSO ceramic, with a short decay time of only 9.67 ns. The luminescence intensity of annealed sample(doped by 0.5mol% Ce3+) is 3 times greater than that of BGO crystal under X-ray excitation. The good luminescent characteristics make Ce:LSO polycrystalline ceramics a promising scintillator candidate with high performance for radiation detection in future.

  Info
Periodical
Advanced Materials Research (Volumes 295-297)
Chapter
Chapter 1: Materials Properties
Edited by
Pengcheng Wang, Liqun Ai, Yungang Li, Xiaoming Sang and Jinglong Bu
Pages
1300-1304
DOI
10.4028/www.scientific.net/AMR.295-297.1300
Citation
T. Lin, L. C. Fan, Z. B. Xu, Y. Shi, J. J. Xie, L. Y. Deng, Y. Y. Ren, "Fabrication and Luminescent Properties of Translucent Ce3+:Lu2SiO5 Ceramics by Spark Plasma Sintering", Advanced Materials Research, Vols. 295-297, pp. 1300-1304, 2011
Online since
July 2011
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Price
$32.00
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