News and Views

Nature Materials 4, 803 - 804 (2005)
doi:10.1038/nmat1515

Perovskites: Oxygen vacancies shine blue

Harold Y. Hwang1

  1. 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

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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