News and Views
Nature Materials 4, 803 - 804 (2005)
doi:10.1038/nmat1515
Perovskites: Oxygen vacancies shine blue
Harold Y. Hwang1
- Harold Y. Hwang is at the Department of Advanced Materials Science and the Department of Applied Physics, University of Tokyo, Kashiwa, Chiba 277-8561, Japan. e-mail: hyhwang@k.u-tokyo.ac.jp
Abstract
Once upon a time it was a surrogate for diamond. Now old SrTiO3 shines with its own (blue) light, as a radiative process from oxygen vacancies is discovered.
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