| Autor: |
Kuznetsov, Artem B., Kokh, Konstantin A., Gorelova, Liudmila A., Sofich, Dmitry O., Sagatov, Nursultan, Gavryushkin, Pavel N., Vereshchagin, Oleg S., Bocharov, Vladimir N., Shevchenko, Vyacheslav S., Kokh, Alexander E. |
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| Zdroj: |
Acta Crystallographica Section B: Structural Science, Crystal Engineering & Materials; Apr2024, Vol. 80 Issue 2, p126-134, 9p |
| Abstrakt: |
A series of novel KSrY1–xErx(BO3)2 (x = 0–1) phosphors that emit near‐infrared radiation was synthesized using solid‐state methods. Pure Y and Er crystals were grown using a KF flux via the top‐seeded solution growth technique. In situ high‐temperature single crystal X‐ray diffraction, Raman spectroscopy and DFT calculations were used for characterization. Within the series, a polymorphic phase transition from space group P21/m to R3m was discovered between 550 and 600°C. The concentration dependence of the luminescence intensity was measured for the samples. A strong emission of Er3+ electron transition 4I13/2 → 4I15/2 was detected within the 1529–1549 nm range, with the maximum observed for the KSrY0.4Er0.6(BO3)2 composition. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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