Luminescence and vacuum ultraviolet excitation spectroscopy of samarium doped SrB4O7

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Luminescence and vacuum ultraviolet excitation spectroscopy of samarium doped SrB4O7. / Tuomela, Anu; Zhang, Meng; Huttula, Marko; Sakirzanovas, Simas; Kareiva, Aivaras; Popov, Anatoli I.; Kozlova, Anna P.; Aravindh, S. Assa; Cao, Wei; Pankratov, Vladimir.

In: Journal of Alloys and Compounds, Vol. 826, 154205, 15.06.2020.

Research output: Contribution to journalArticle

Harvard

Tuomela, A, Zhang, M, Huttula, M, Sakirzanovas, S, Kareiva, A, Popov, AI, Kozlova, AP, Aravindh, SA, Cao, W & Pankratov, V 2020, 'Luminescence and vacuum ultraviolet excitation spectroscopy of samarium doped SrB4O7', Journal of Alloys and Compounds, vol. 826, 154205. https://doi.org/10.1016/j.jallcom.2020.154205

APA

Tuomela, A., Zhang, M., Huttula, M., Sakirzanovas, S., Kareiva, A., Popov, A. I., ... Pankratov, V. (2020). Luminescence and vacuum ultraviolet excitation spectroscopy of samarium doped SrB4O7. Journal of Alloys and Compounds, 826, [154205]. https://doi.org/10.1016/j.jallcom.2020.154205

CBE

Tuomela A, Zhang M, Huttula M, Sakirzanovas S, Kareiva A, Popov AI, Kozlova AP, Aravindh SA, Cao W, Pankratov V. 2020. Luminescence and vacuum ultraviolet excitation spectroscopy of samarium doped SrB4O7. Journal of Alloys and Compounds. 826. https://doi.org/10.1016/j.jallcom.2020.154205

MLA

Vancouver

Author

Tuomela, Anu ; Zhang, Meng ; Huttula, Marko ; Sakirzanovas, Simas ; Kareiva, Aivaras ; Popov, Anatoli I. ; Kozlova, Anna P. ; Aravindh, S. Assa ; Cao, Wei ; Pankratov, Vladimir. / Luminescence and vacuum ultraviolet excitation spectroscopy of samarium doped SrB4O7. In: Journal of Alloys and Compounds. 2020 ; Vol. 826.

RIS

TY - JOUR

T1 - Luminescence and vacuum ultraviolet excitation spectroscopy of samarium doped SrB4O7

AU - Tuomela, Anu

AU - Zhang, Meng

AU - Huttula, Marko

AU - Sakirzanovas, Simas

AU - Kareiva, Aivaras

AU - Popov, Anatoli I.

AU - Kozlova, Anna P.

AU - Aravindh, S. Assa

AU - Cao, Wei

AU - Pankratov, Vladimir

PY - 2020/6/15

Y1 - 2020/6/15

N2 - Sm2+ and Sm3+ co-doped SrB4O7 could be utilized in several high-level optical devices and fundamental knowledge about the optical behavior of these materials benefits the development of luminescent applications. Herein, we report luminescence and its vacuum ultraviolet (VUV) excitation spectra in samarium doped SrB4O7. Both, Sm2+ and Sm3+ luminescence centers have been examined and distinguished in the emission and the excitation spectra investigated under synchrotron radiation. The contribution of either Sm2+ or Sm3+ emission lines into the emission spectra heavily depended on the excitation energy, and strong f-f transitions of both Sm2+ and Sm3+ were detected. At 10 K, a broad intrinsic luminescence in the UV range was detected and attributed to the radiative transition of either bound or self-trapped exciton in SrB4O7. The optical behavior, including e.g. inter-configurational f-d transitions of Sm(n+) were elucidated with first-principles calculations. Partial density of states well represents the changes of the electronic states that are related to the samarium doping, which in turn explains the emerging features in excitation spectra. In summary, the obtained results clarify the excitation and emission behavior of samarium doped SrB4O7.

AB - Sm2+ and Sm3+ co-doped SrB4O7 could be utilized in several high-level optical devices and fundamental knowledge about the optical behavior of these materials benefits the development of luminescent applications. Herein, we report luminescence and its vacuum ultraviolet (VUV) excitation spectra in samarium doped SrB4O7. Both, Sm2+ and Sm3+ luminescence centers have been examined and distinguished in the emission and the excitation spectra investigated under synchrotron radiation. The contribution of either Sm2+ or Sm3+ emission lines into the emission spectra heavily depended on the excitation energy, and strong f-f transitions of both Sm2+ and Sm3+ were detected. At 10 K, a broad intrinsic luminescence in the UV range was detected and attributed to the radiative transition of either bound or self-trapped exciton in SrB4O7. The optical behavior, including e.g. inter-configurational f-d transitions of Sm(n+) were elucidated with first-principles calculations. Partial density of states well represents the changes of the electronic states that are related to the samarium doping, which in turn explains the emerging features in excitation spectra. In summary, the obtained results clarify the excitation and emission behavior of samarium doped SrB4O7.

KW - First-principles calculations

KW - Luminescence

KW - Sm

KW - SrBO

KW - Synchrotron radiation

KW - VUV spectroscopy

UR - http://www.scopus.com/inward/record.url?scp=85079162117&partnerID=8YFLogxK

U2 - 10.1016/j.jallcom.2020.154205

DO - 10.1016/j.jallcom.2020.154205

M3 - Article

VL - 826

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

SN - 0925-8388

M1 - 154205

ER -