Rosa Córdoba, Rodrigo Fernández-Pacheco, Amalio Fernández-Pacheco, Alexandre Gloter, César Magén, Odile Stéphan, Manuel R Ibarra and José M De Teresa*
* Corresponding author: José M De Teresa deteresa@unizar.es
Nanoscale Research Letters 2011, 6:592 doi:10.1186/1556-276X-6-592