Photoluminescence in MgxSr1-xAl2O4:Eu2+, Nd3+and electron-vibrational interaction in the Eu2+ 5d states

K. S. Bartwal; H. Ryu; M. G. Brik; I. Sildos

doi:10.1016/j.physb.2009.05.033

Photoluminescence in Mg_xSr_1-xAl₂O₄:Eu²⁺, Nd³⁺and electron-vibrational interaction in the Eu²⁺ 5d states

K. S. Bartwal^*
, H. Ryu
, M. G. Brik
, I. Sildos

^*Šī darba korespondējošais autors

Raja Ramanna Centre for Advanced Technology
Korea Research Institute of Chemical Technology
University of Tartu

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

17 Atsauces (Scopus)

Kopsavilkums

Green phosphor compositions Mg_xSr_1-xAl₂O₄:Eu, Nd (with x=0.05-0.25) were prepared by solid state reaction method. The effect of Mg substitution on photoluminescence characteristics was investigated. The photoluminescence show intense green emission for MgSrAl₂O₄:Eu²⁺, Nd³⁺ with long persistence. This green emission corresponds to transitions from 4f⁶5d¹ to 4f⁷ of Eu²⁺ ion. Comparative analysis of the excitation and emission spectra were used to evaluate the crystal field splitting of the 5d states of Eu²⁺ and the parameters of electron-vibrational interaction, such as Huang-Rhys factor, effective phonon energy, and zero-phonon line position.

Oriģinālvaloda	Angļu
Lapas (no-līdz)	3440-3444
Lapu skaits	5
Žurnāls	Physica B: Condensed Matter
Sējums	404
Izdevuma numurs	20
DOIs	https://doi.org/10.1016/j.physb.2009.05.033
Publikācijas statuss	Publicēts - 1 nov. 2009
Ārēji publicēts	Jā

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title = "Photoluminescence in MgxSr1-xAl2O4:Eu2+, Nd3+and electron-vibrational interaction in the Eu2+ 5d states",

abstract = "Green phosphor compositions MgxSr1-xAl2O4:Eu, Nd (with x=0.05-0.25) were prepared by solid state reaction method. The effect of Mg substitution on photoluminescence characteristics was investigated. The photoluminescence show intense green emission for MgSrAl2O4:Eu2+, Nd3+ with long persistence. This green emission corresponds to transitions from 4f65d1 to 4f7 of Eu2+ ion. Comparative analysis of the excitation and emission spectra were used to evaluate the crystal field splitting of the 5d states of Eu2+ and the parameters of electron-vibrational interaction, such as Huang-Rhys factor, effective phonon energy, and zero-phonon line position.",

keywords = "Crystal field splitting, Excitation, Luminescence, Solid solutions",

author = "Bartwal, \{K. S.\} and H. Ryu and Brik, \{M. G.\} and I. Sildos",

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doi = "10.1016/j.physb.2009.05.033",

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AU - Bartwal, K. S.

AU - Ryu, H.

AU - Brik, M. G.

AU - Sildos, I.

PY - 2009/11/1

Y1 - 2009/11/1

N2 - Green phosphor compositions MgxSr1-xAl2O4:Eu, Nd (with x=0.05-0.25) were prepared by solid state reaction method. The effect of Mg substitution on photoluminescence characteristics was investigated. The photoluminescence show intense green emission for MgSrAl2O4:Eu2+, Nd3+ with long persistence. This green emission corresponds to transitions from 4f65d1 to 4f7 of Eu2+ ion. Comparative analysis of the excitation and emission spectra were used to evaluate the crystal field splitting of the 5d states of Eu2+ and the parameters of electron-vibrational interaction, such as Huang-Rhys factor, effective phonon energy, and zero-phonon line position.

AB - Green phosphor compositions MgxSr1-xAl2O4:Eu, Nd (with x=0.05-0.25) were prepared by solid state reaction method. The effect of Mg substitution on photoluminescence characteristics was investigated. The photoluminescence show intense green emission for MgSrAl2O4:Eu2+, Nd3+ with long persistence. This green emission corresponds to transitions from 4f65d1 to 4f7 of Eu2+ ion. Comparative analysis of the excitation and emission spectra were used to evaluate the crystal field splitting of the 5d states of Eu2+ and the parameters of electron-vibrational interaction, such as Huang-Rhys factor, effective phonon energy, and zero-phonon line position.

KW - Crystal field splitting

KW - Excitation

KW - Luminescence

KW - Solid solutions

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DO - 10.1016/j.physb.2009.05.033

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