by Kurtoglu, M. E., Longenbach, T., Sohlberg, K. and Gogotsi, Y.
Reference:
M. E. Kurtoglu, T. Longenbach, K. Sohlberg, and Y. Gogotsi, "Strong Coupling of Cr and N in Cr-N-doped TiO2 and Its Effect on Photocatalytic Activity", Journal of Physical Chemistry C, vol. 115, no. 35, 2011, pp. 17392.
Bibtex Entry:
@article{222,
   author = {Kurtoglu, M. E. and Longenbach, T. and Sohlberg, K. and Gogotsi, Y.},
   title = {Strong Coupling of Cr and N in Cr-N-doped TiO2 and Its Effect on Photocatalytic Activity},
   journal = {Journal of Physical Chemistry C},
   volume = {115},
   number = {35},
   pages = {17392},
   ISSN = {1932-7447},
   DOI = {10.1021/jp2026972},
   year = {2011},
   date= {09/01}
   type = {Journal Article},
   url = https://nano.materials.drexel.edu/wp-content/papercite-data/pdf/222.pdf
}

Strong Coupling of Cr and N in Cr-N-doped TiO2 and Its Effect on Photocatalytic Activity