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Phase Transformation and Luminescent Properties of Ca 1-x Sr x Al 2 O 4 :Eu 2+ Phosphors
| Content Provider | Semantic Scholar |
|---|---|
| Author | Park, Yun Jin Song, Hyun-Don Jung, Sang Hyun Hwang, Min Ha Kim, Young Jin |
| Copyright Year | 2008 |
| Abstract | The phase transformations and luminescent properties of Eu-doped Ca Sr Al O phosphors were investigated. Ca Sr Al O :Eu phosphors were synthesized by a solid-state reaction with a flux, H BO . A phase transformation from monoclinic CaAl O to monoclinic SrAl O was observed as the x values increased. A high-temperature hexagonal phase of SrAl O was formed during this transformation as an intermediate phase under an H atmosphere due to oxygen vacancies; this did not occur in an air atmosphere. Accordingly, the emission spectra shifted from a blue region to a green region as x increased. |
| Starting Page | 1 |
| Ending Page | 4 |
| Page Count | 4 |
| File Format | PDF HTM / HTML |
| DOI | 10.3740/MRSK.2008.18.1.001 |
| Volume Number | 18 |
| Alternate Webpage(s) | http://ocean.kisti.re.kr/downfile/volume/mrsk/GJRHBQ/2008/v18n1/GJRHBQ_2008_v18n1_1.pdf |
| Alternate Webpage(s) | https://doi.org/10.3740/MRSK.2008.18.1.001 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |