Laser-induced defect centers and valence state change of Mn ions in sodium borate glasses

Sunkyun Lee; Minh Tuan Trinh; Jung Rim Nam; Ki Soo Lim; Myeongkyu Lee; Eunkyoung Kim

doi:10.1016/j.jlumin.2006.01.130

Laser-induced defect centers and valence state change of Mn ions in sodium borate glasses

Sunkyun Lee, Minh Tuan Trinh, Jung Rim Nam, Ki Soo Lim, Myeongkyu Lee, Eunkyoung Kim

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

In this report, an ultrafast laser was used to produce persistent change of valence states of Mn ions in sodium borate glasses. Glass composition of sodium borate in this study was 85B₂O₃-15Na₂O. We observed a broad emission at 600 nm of the transition ⁴T₁-⁶A₁ of doped Mn²⁺ ions with excitation at 325 nm in an unirradiated area. Femtosecond laser irradiation produced additional strong blue emission at 440 nm and reduced the emission intensity from Mn²⁺ ions. The irradiation produced the absorption band of Mn³⁺ at 550 nm, resulting in color change of the glass. The blue band was measured as a function of irradiation exposure for samples with various concentrations of Mn ions. The valence state change of Mn²⁺ to Mn³⁺ was suppressed in Mn and Cr codoped glasses.

Original language	English
Pages (from-to)	142-145
Number of pages	4
Journal	Journal of Luminescence
Volume	122-123
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jlumin.2006.01.130
Publication status	Published - 2007 Jan

Bibliographical note

Funding Information:
This work was supported by the Ministry of Science and Technology of Korea.

All Science Journal Classification (ASJC) codes

Biophysics
Biochemistry
Chemistry(all)
Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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10.1016/j.jlumin.2006.01.130

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title = "Laser-induced defect centers and valence state change of Mn ions in sodium borate glasses",

abstract = "In this report, an ultrafast laser was used to produce persistent change of valence states of Mn ions in sodium borate glasses. Glass composition of sodium borate in this study was 85B2O3-15Na2O. We observed a broad emission at 600 nm of the transition 4T1-6A1 of doped Mn2+ ions with excitation at 325 nm in an unirradiated area. Femtosecond laser irradiation produced additional strong blue emission at 440 nm and reduced the emission intensity from Mn2+ ions. The irradiation produced the absorption band of Mn3+ at 550 nm, resulting in color change of the glass. The blue band was measured as a function of irradiation exposure for samples with various concentrations of Mn ions. The valence state change of Mn2+ to Mn3+ was suppressed in Mn and Cr codoped glasses.",

author = "Sunkyun Lee and Trinh, {Minh Tuan} and Nam, {Jung Rim} and Lim, {Ki Soo} and Myeongkyu Lee and Eunkyoung Kim",

note = "Funding Information: This work was supported by the Ministry of Science and Technology of Korea.",

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doi = "10.1016/j.jlumin.2006.01.130",

language = "English",

volume = "122-123",

pages = "142--145",

journal = "Journal of Luminescence",

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T1 - Laser-induced defect centers and valence state change of Mn ions in sodium borate glasses

AU - Lee, Sunkyun

AU - Trinh, Minh Tuan

AU - Nam, Jung Rim

AU - Lim, Ki Soo

AU - Lee, Myeongkyu

AU - Kim, Eunkyoung

N1 - Funding Information: This work was supported by the Ministry of Science and Technology of Korea.

PY - 2007/1

Y1 - 2007/1

N2 - In this report, an ultrafast laser was used to produce persistent change of valence states of Mn ions in sodium borate glasses. Glass composition of sodium borate in this study was 85B2O3-15Na2O. We observed a broad emission at 600 nm of the transition 4T1-6A1 of doped Mn2+ ions with excitation at 325 nm in an unirradiated area. Femtosecond laser irradiation produced additional strong blue emission at 440 nm and reduced the emission intensity from Mn2+ ions. The irradiation produced the absorption band of Mn3+ at 550 nm, resulting in color change of the glass. The blue band was measured as a function of irradiation exposure for samples with various concentrations of Mn ions. The valence state change of Mn2+ to Mn3+ was suppressed in Mn and Cr codoped glasses.

AB - In this report, an ultrafast laser was used to produce persistent change of valence states of Mn ions in sodium borate glasses. Glass composition of sodium borate in this study was 85B2O3-15Na2O. We observed a broad emission at 600 nm of the transition 4T1-6A1 of doped Mn2+ ions with excitation at 325 nm in an unirradiated area. Femtosecond laser irradiation produced additional strong blue emission at 440 nm and reduced the emission intensity from Mn2+ ions. The irradiation produced the absorption band of Mn3+ at 550 nm, resulting in color change of the glass. The blue band was measured as a function of irradiation exposure for samples with various concentrations of Mn ions. The valence state change of Mn2+ to Mn3+ was suppressed in Mn and Cr codoped glasses.

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JO - Journal of Luminescence

JF - Journal of Luminescence

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Laser-induced defect centers and valence state change of Mn ions in sodium borate glasses

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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