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Paper Details

Paper Title
LUMINESCENCE AND STRUCTURAL PROPERTIES ON Sm3+ DOPED KBr SINGLE CRYSTALS
Abstract
Single crystals of Sm3+ doped KBr were grown by vertical Bridgemann Stockbarger technique. The grown crystal were subjected to the characterization such as Optical absorption, Photoluminescence (PL), Thermoluminescence (TL), and TL emission, studies. The Optical absorption, TL studies on KBr: Sm3+ crystals irradiated with γ-rays is reported. The shoulder around 348nm is due to formation of V-band and bell shaped band at 611nm are noticed because of F-band formation in Optical Absorption spectrum. Under the excitation of 405nm light, the emission spectra were governed by the characteristic reddish-orange luminescence primarily originated due to transition from the excited 4G5/2 to the 6H7/2 lower level noticed at 603nm. Thermoluminescence (TL) glow peak reveals two clearly visible distinct peaks at temperature around 464K and 491K. The calculated kinetic parameters show that both peaks follow the second order kinetics.
Keyword
KBr, Sm3+, PL, TL
Others Details
Paper Id : 64689
Author Name : S.BANGARU
Co-Author Name(s) : D.Roobanguru
Volume/Issue No : Volume 05 Issue 01
Page No : 130-135
DOI Number : DOI:10.21090/IJAERD.64689
License : This work is licensed under a Creative Commons Attribution 4.0 International License.
website : http://www.ijaerd.com/index.php
Impact Factor : 5.71, SJIF-2017
ISSN Details : eISSN: 2348-4470, pISSN:2348-6406
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