Browsing by Author "Kim, Chorong"

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    Mn2+ doping inside glass substrate utilizing metal ion beam implantation technique
    (Elsevier, 2022-07) Hwang, YongSeok; Aryal, Pabitra; Kim, HongJoo; Ntarisa, Amos Vincent; Saha, Sudipta; Kim, Chorong; Kothan, Suchart; Kaewkhao, Jakrapong
    The Korea multi-purpose accelerator complex (KOMAC) has been providing metal ion beam services such as Cr+, Fe+, Co+, Cu+, Mg+ and Ni+ using a modified Bernas ion source for diverse users. In this study, metal ion implantation facilitated by KOMAC has been utilized to implant Mn+ ions into a glass substrate. First, phosphate glass substrate doped with CeBr3 was fabricated following melt-quenching technique and then Mn+ ion beam was irradiated with flounces of 5 × 1016 ions/cm2. The irradiated sample was heat-treated at 400 °C, and characterized by absorption, excitation, and emission spectra. The presence of Mn2+ and the existence of energy transfer from Ce3+ to Mn2+ were explored by characteristic emission and excitation spectra. The emission intensity of Mn2+ was significantly higher when excited by Ce3+ excitation than Mn2+.