Luminescent and Mechanical Properties of Cerium Doped Potassium Chloride Single Crystal
Yongtao Li
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022 China
School of Materials Science and Engineering, Ji Lin Jian Zhu University, Changchun, 130018 China
Search for more papers by this authorYongju Li
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022 China
Search for more papers by this authorChun Li
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022 China
Search for more papers by this authorXuejian Zhang
School of Materials Science and Engineering, Ji Lin Jian Zhu University, Changchun, 130018 China
Search for more papers by this authorCorresponding Author
Fanming Zeng
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022 China
Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun, 130022 China
E-mail: zengfm@126.com; linhaihailin@126.com; zmsu@nenu.edu.cn
Search for more papers by this authorCorresponding Author
Hai Lin
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022 China
Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun, 130022 China
E-mail: zengfm@126.com; linhaihailin@126.com; zmsu@nenu.edu.cn
Search for more papers by this authorCorresponding Author
Zhongmin Su
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022 China
Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun, 130022 China
E-mail: zengfm@126.com; linhaihailin@126.com; zmsu@nenu.edu.cn
Search for more papers by this authorChelliah Kamalakshiammal Mahadevan
CSIR Emeritus Scientist, Department of Physics, Bharathidasan University, Thiruchirapalli, Tamil Nadu, 620024 India
Search for more papers by this authorYongtao Li
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022 China
School of Materials Science and Engineering, Ji Lin Jian Zhu University, Changchun, 130018 China
Search for more papers by this authorYongju Li
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022 China
Search for more papers by this authorChun Li
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022 China
Search for more papers by this authorXuejian Zhang
School of Materials Science and Engineering, Ji Lin Jian Zhu University, Changchun, 130018 China
Search for more papers by this authorCorresponding Author
Fanming Zeng
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022 China
Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun, 130022 China
E-mail: zengfm@126.com; linhaihailin@126.com; zmsu@nenu.edu.cn
Search for more papers by this authorCorresponding Author
Hai Lin
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022 China
Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun, 130022 China
E-mail: zengfm@126.com; linhaihailin@126.com; zmsu@nenu.edu.cn
Search for more papers by this authorCorresponding Author
Zhongmin Su
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022 China
Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun, 130022 China
E-mail: zengfm@126.com; linhaihailin@126.com; zmsu@nenu.edu.cn
Search for more papers by this authorChelliah Kamalakshiammal Mahadevan
CSIR Emeritus Scientist, Department of Physics, Bharathidasan University, Thiruchirapalli, Tamil Nadu, 620024 India
Search for more papers by this authorAbstract
Large size cerium (Ce3+)-doped potassium chloride single crystal is grown by the resistance heating Czochralski method and characterized structurally, mechanically, and optically by carrying out X-ray diffraction (XRD), micro-hardness, photoluminescence (PL), PL excitation (PLE), thermo-luminescence (TL), and decay time measurements. XRD measurements reveal the incorporation of Ce atoms into the KCl host lattice. Microhardness measurements indicate an improvement in the hardness due to Ce3+-doping and a decrease of hardness with increasing temperature. Two intense PL emission peaks are observed at wavelengths 343 and 367 nm, attributed, respectively, to the 5d→2F5/2 and 5d→2F7/2 transitions of Ce3+. Energy level scheme for the Ce3+ ion in the KCl crystal is proposed through PL and PLE analyses. The observed TL glow curve of KCl:Ce3+ shows a sharp peak located at about 244 °C. XRD, PL, and TL studies confirm the trivalent state of Ce3+ ion in the KCl host lattice. The luminescence decay time of KCl:Ce3+ crystal is found to be 35.14 ± 0.17 ns. The present study indicates that the KCl:Ce3+ crystal grown exhibiting suitable PL and TL emissions is expected to be a potential material for radiation dosimetry and scintillation applications.
Conflict of Interest
The authors declare no conflict of interest.
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