Luminescence and ultraviolet excitation spectroscopy of SrI2 and SrI2:Eu2+

6533b7d0fe1ef96bd125b619

RESEARCH PRODUCT

Luminescence and ultraviolet excitation spectroscopy of SrI2 and SrI2:Eu2+

Vladimir Buliga Arnold Burger Anatoli I. Popov Emmanuel Rowe A. Kotlov L. Shirmane Gregory Bizarri Vladimir Pankratov Vladimir Pankratov E. Tupitsyn Richard T. Williams Pijush Bhattacharya

subject

Radiation Absorption spectroscopy Exciton chemistry.chemical_element Synchrotron radiation medicine.disease_cause Oxygen Strontium iodide chemistry.chemical_compound chemistry medicine Photoluminescence excitation Atomic physics Luminescence Instrumentation Ultraviolet

description

Abstract We report measurements of luminescence and its ultraviolet excitation spectra in SrI2 and SrI2:Eu2+ at temperatures of 10 and 300 K. Attention is focused on determining the exciton energy and its temperature shift from features of the excitation spectra and limits placed by absorption spectroscopy on a 120 μm thin crystal, on observation of a broadened Eu emission band attributed to trace Eu associated with oxygen in nominally undoped crystals, and on adding observations concerning the 3.4 eV band at low temperature attributed by Pustovarov et al. to the self-trapped exciton.

year	journal	country	edition	language
2013-09-01	Radiation Measurements

https://doi.org/10.1016/j.radmeas.2013.02.022

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