This work was supported by the Cultivation Fund of the Key Scientific and Technical Innovation Project, the Ministry of Education of China (No.708070), the National Natural Science Foundation of China (No.10874046 and No.11104081), and the Fundamental Research Funds for the Central Universities (No.2012zz0078).
Bi1-xYbxFeO3(0〈x〈0.2) powders have been synthesized using a sol-gel method. The X- ray diffraction data show a structural transition from the rhombohedral R3c phase to the orthorhombic Pnma phase between x=0.1 and...