Spectroscopic and crystal field studies of (Ce,Gd)Sc3 (BO3)4:Cr3+ crystals

M. G. Brik; V. A. Lebedev; E. V. Stroganova

doi:10.1016/j.jpcs.2007.05.002

Spectroscopic and crystal field studies of (Ce,Gd)Sc₃ (BO₃)₄:Cr³⁺ crystals

M. G. Brik^*
, V. A. Lebedev
, E. V. Stroganova

^*Šī darba korespondējošais autors

Kyoto University
Kuban State University

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

9 Atsauces (Scopus)

Kopsavilkums

Complex spectroscopic studies of (Ce,Gd)Sc₃(BO₃)₄:Cr³⁺ (CSB:Cr³⁺) crystals (crystal growth, absorption and luminescence spectroscopy, crystal field calculations, analysis of the radiative and non-radiative decays) are presented. The main results of the paper include calculations of crystal field parameters and energy level scheme for Cr³⁺ at distorted octahedral Sc³⁺ sites, evaluation of the Huang-Rhys factor, effective phonon frequency, zero-phonon line energy, and parameters of radiative and non-radiative decays. Comparison with experimental results and other literature data is discussed. A very unusual value of the frequency factor (related to the non-radiative processes) is explained as being due to heterodesmic nature of chemical bonds in the CSB crystal. Cr³⁺-doped CSB crystals (with Cr³⁺ concentration 5.1×10¹⁹ cm^-3 or 1%) are suggested as promising candidates for potential applications as active media for solid state lasers.

Oriģinālvaloda	Angļu
Lapas (no-līdz)	1796-1804
Lapu skaits	9
Žurnāls	Journal of Physics and Chemistry of Solids
Sējums	68
Izdevuma numurs	9
DOIs	https://doi.org/10.1016/j.jpcs.2007.05.002
Publikācijas statuss	Publicēts - sept. 2007
Ārēji publicēts	Jā

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title = "Spectroscopic and crystal field studies of (Ce,Gd)Sc3 (BO3)4:Cr3+ crystals",

abstract = "Complex spectroscopic studies of (Ce,Gd)Sc3(BO3)4:Cr3+ (CSB:Cr3+) crystals (crystal growth, absorption and luminescence spectroscopy, crystal field calculations, analysis of the radiative and non-radiative decays) are presented. The main results of the paper include calculations of crystal field parameters and energy level scheme for Cr3+ at distorted octahedral Sc3+ sites, evaluation of the Huang-Rhys factor, effective phonon frequency, zero-phonon line energy, and parameters of radiative and non-radiative decays. Comparison with experimental results and other literature data is discussed. A very unusual value of the frequency factor (related to the non-radiative processes) is explained as being due to heterodesmic nature of chemical bonds in the CSB crystal. Cr3+-doped CSB crystals (with Cr3+ concentration 5.1×1019 cm-3 or 1\%) are suggested as promising candidates for potential applications as active media for solid state lasers.",

keywords = "A. Optical materials, D. Crystal fields, D. Optical properties",

author = "Brik, \{M. G.\} and Lebedev, \{V. A.\} and Stroganova, \{E. V.\}",

year = "2007",

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T1 - Spectroscopic and crystal field studies of (Ce,Gd)Sc3 (BO3)4:Cr3+ crystals

AU - Brik, M. G.

AU - Lebedev, V. A.

AU - Stroganova, E. V.

PY - 2007/9

Y1 - 2007/9

N2 - Complex spectroscopic studies of (Ce,Gd)Sc3(BO3)4:Cr3+ (CSB:Cr3+) crystals (crystal growth, absorption and luminescence spectroscopy, crystal field calculations, analysis of the radiative and non-radiative decays) are presented. The main results of the paper include calculations of crystal field parameters and energy level scheme for Cr3+ at distorted octahedral Sc3+ sites, evaluation of the Huang-Rhys factor, effective phonon frequency, zero-phonon line energy, and parameters of radiative and non-radiative decays. Comparison with experimental results and other literature data is discussed. A very unusual value of the frequency factor (related to the non-radiative processes) is explained as being due to heterodesmic nature of chemical bonds in the CSB crystal. Cr3+-doped CSB crystals (with Cr3+ concentration 5.1×1019 cm-3 or 1%) are suggested as promising candidates for potential applications as active media for solid state lasers.

AB - Complex spectroscopic studies of (Ce,Gd)Sc3(BO3)4:Cr3+ (CSB:Cr3+) crystals (crystal growth, absorption and luminescence spectroscopy, crystal field calculations, analysis of the radiative and non-radiative decays) are presented. The main results of the paper include calculations of crystal field parameters and energy level scheme for Cr3+ at distorted octahedral Sc3+ sites, evaluation of the Huang-Rhys factor, effective phonon frequency, zero-phonon line energy, and parameters of radiative and non-radiative decays. Comparison with experimental results and other literature data is discussed. A very unusual value of the frequency factor (related to the non-radiative processes) is explained as being due to heterodesmic nature of chemical bonds in the CSB crystal. Cr3+-doped CSB crystals (with Cr3+ concentration 5.1×1019 cm-3 or 1%) are suggested as promising candidates for potential applications as active media for solid state lasers.

KW - A. Optical materials

KW - D. Crystal fields

KW - D. Optical properties

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