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Optical Activity in Mn Doped As2S3 Glasses

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4th International Conference on Nanotechnologies and Biomedical Engineering (ICNBME 2019)

Part of the book series: IFMBE Proceedings ((IFMBE,volume 77))

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Abstract

Spectral dependences of transmittance (T) and wavelength modulated transmittance (ΔT/Δλ) of As2S3 layers doped by manganese (Mn) of different concentrations (0–0.5%) were investigated at temperatures from 10 to 300 K. Photoluminescence bands at 1.762, 2.107 and 2.282 eV due to transition 4A2g(4F) ⟶ 4Eg(2G), 4T1g(4G) ⟶ 6A1g(4F) and 4T2g ⟶ 6A1g of Mn ions, respectively were observed at argon laser excitation. On the luminescence spectra the absorption bands of electron transitions 6A1g(4F) ⟶ 4T1g(4G) were recognized. The magnitude of refractive index (n) of Mn (0.1 and 0.5%) ions doped As2S3 layers in low-energy range (1.6–1.9 eV) does not change at temperature decreasing from 300 to 10 K. The spectral dependences of refractive indices of As2S3 samples doped with Mn ions of different concentrations (0.1 and 0.5%) did not have any features.

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Acknowledgements

The authors acknowledge the support from the National Agency for Research and Development under the Grant #15.817.02.32A.

Conflict of Interest

The authors declare that they have no conflict of interest.

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Authors and Affiliations

  1. Technical University of Moldova, 168 Stefan cel Mare Avenue, Chisinau, Republic of Moldova

    V. V. Zalamai, A. V. Tiron & N. N. Syrbu

  2. Institute of Applied Physics, Chisinau, Republic of Moldova

    M. S. Iovu

Authors
  1. V. V. Zalamai
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  2. A. V. Tiron
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  3. M. S. Iovu
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  4. N. N. Syrbu
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Corresponding author

Correspondence to V. V. Zalamai .

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Editors and Affiliations

  1. Academy of Sciences of Moldova, Chisinau, Moldova

    Ion Tiginyanu

  2. Department of Microelectronics and Biomedical Engineering, Technical University of Moldova, Chisinau, Moldova

    Victor Sontea

  3. Department of Microelectronics and Biomedical Engineering, Technical University of Moldova, Chisinau, Moldova

    Serghei Railean

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Zalamai, V.V., Tiron, A.V., Iovu, M.S., Syrbu, N.N. (2020). Optical Activity in Mn Doped As2S3 Glasses. In: Tiginyanu, I., Sontea, V., Railean, S. (eds) 4th International Conference on Nanotechnologies and Biomedical Engineering. ICNBME 2019. IFMBE Proceedings, vol 77. Springer, Cham. https://doi.org/10.1007/978-3-030-31866-6_17

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  • DOI: https://doi.org/10.1007/978-3-030-31866-6_17

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-31865-9

  • Online ISBN: 978-3-030-31866-6

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