Rhodium atoms confined in boron nitride nanotubes: Density functional calculations Qi Chen, Feng Li, Xi Dong, Xiangdong Liu, Mingwen Zhao, Yan Zou, Shengqian Ma and Suyan Li EPL, 90 4 (2010) 47003 Published online: 08 June 2010 DOI: 10.1209/0295-5075/90/47003