Rare-earth ions incorporation into Lu2Si2O7 scintillator crystals: Electron paramagnetic resonance and luminescence study

M. Buryi; V. Laguta; V. Babin; O. Laguta; M. G. Brik; M. Nikl

doi:10.1016/j.optmat.2020.109930

Rare-earth ions incorporation into Lu₂Si₂O₇ scintillator crystals: Electron paramagnetic resonance and luminescence study

M. Buryi
, V. Laguta^*
, V. Babin
, O. Laguta
, M. G. Brik
, M. Nikl

^*Šī darba korespondējošais autors

Czech Academy of Sciences
Brno University of Technology
Chongqing University of Posts and Telecommunications
University of Tartu
Jan Dlugosz University in Czestochowa

Zinātniskās darbības rezultāts: Devums žurnālam › Zinātniskais raksts (žurnālā) › koleģiāli recenzēts

12 Atsauces (Scopus)

Kopsavilkums

The present work reports results of the electron paramagnetic resonance (EPR), optical absorption, radio- and photoluminescence (RL and PL) complex study of the Lu₂Si₂O₇:Pr and Lu₂Si₂O₇:Ce pyrosilicate crystals. In both crystals, the EPR spectra demonstrate the presence of characteristic signals originating from the Yb³⁺, Er³⁺, Nd³⁺, Dy³⁺, Gd³⁺ and V³⁺ ions existing in the material as uncontrolled impurities. The corresponding spectra (except for Gd³⁺) have been analysed in detail and g- and hyperfine tensors are determined for all these ions for the first time in the lutetium pyrosilicate lattice. Optical absorption, RL and PL measurements in the Lu₂Si₂O₇:Pr crystal have shown only the characteristic Pr³⁺ transitions. In addition, the Pr³⁺- Pr³⁺ energy transfer was observed and confirmed experimentally.

Oriģinālvaloda	Angļu
Raksta numurs	109930
Žurnāls	Optical Materials
Sējums	106
DOIs	https://doi.org/10.1016/j.optmat.2020.109930
Publikācijas statuss	Publicēts - aug. 2020
Ārēji publicēts	Jā

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title = "Rare-earth ions incorporation into Lu2Si2O7 scintillator crystals: Electron paramagnetic resonance and luminescence study",

abstract = "The present work reports results of the electron paramagnetic resonance (EPR), optical absorption, radio- and photoluminescence (RL and PL) complex study of the Lu2Si2O7:Pr and Lu2Si2O7:Ce pyrosilicate crystals. In both crystals, the EPR spectra demonstrate the presence of characteristic signals originating from the Yb3+, Er3+, Nd3+, Dy3+, Gd3+ and V3+ ions existing in the material as uncontrolled impurities. The corresponding spectra (except for Gd3+) have been analysed in detail and g- and hyperfine tensors are determined for all these ions for the first time in the lutetium pyrosilicate lattice. Optical absorption, RL and PL measurements in the Lu2Si2O7:Pr crystal have shown only the characteristic Pr3+ transitions. In addition, the Pr3+- Pr3+ energy transfer was observed and confirmed experimentally.",

author = "M. Buryi and V. Laguta and V. Babin and O. Laguta and Brik, \{M. G.\} and M. Nikl",

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year = "2020",

month = aug,

doi = "10.1016/j.optmat.2020.109930",

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TY - JOUR

T1 - Rare-earth ions incorporation into Lu2Si2O7 scintillator crystals

T2 - Electron paramagnetic resonance and luminescence study

AU - Buryi, M.

AU - Laguta, V.

AU - Babin, V.

AU - Laguta, O.

AU - Brik, M. G.

AU - Nikl, M.

PY - 2020/8

Y1 - 2020/8

N2 - The present work reports results of the electron paramagnetic resonance (EPR), optical absorption, radio- and photoluminescence (RL and PL) complex study of the Lu2Si2O7:Pr and Lu2Si2O7:Ce pyrosilicate crystals. In both crystals, the EPR spectra demonstrate the presence of characteristic signals originating from the Yb3+, Er3+, Nd3+, Dy3+, Gd3+ and V3+ ions existing in the material as uncontrolled impurities. The corresponding spectra (except for Gd3+) have been analysed in detail and g- and hyperfine tensors are determined for all these ions for the first time in the lutetium pyrosilicate lattice. Optical absorption, RL and PL measurements in the Lu2Si2O7:Pr crystal have shown only the characteristic Pr3+ transitions. In addition, the Pr3+- Pr3+ energy transfer was observed and confirmed experimentally.

AB - The present work reports results of the electron paramagnetic resonance (EPR), optical absorption, radio- and photoluminescence (RL and PL) complex study of the Lu2Si2O7:Pr and Lu2Si2O7:Ce pyrosilicate crystals. In both crystals, the EPR spectra demonstrate the presence of characteristic signals originating from the Yb3+, Er3+, Nd3+, Dy3+, Gd3+ and V3+ ions existing in the material as uncontrolled impurities. The corresponding spectra (except for Gd3+) have been analysed in detail and g- and hyperfine tensors are determined for all these ions for the first time in the lutetium pyrosilicate lattice. Optical absorption, RL and PL measurements in the Lu2Si2O7:Pr crystal have shown only the characteristic Pr3+ transitions. In addition, the Pr3+- Pr3+ energy transfer was observed and confirmed experimentally.

UR - https://www.scopus.com/pages/publications/85085841713

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DO - 10.1016/j.optmat.2020.109930

M3 - Article

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JO - Optical Materials

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