Neutron powder diffraction and high-pressure synchrotron x-ray diffraction study of tantalum nitrides Project supported by the Research Foundation of Key Laboratory of Neutron Physics (Grant No. 2015BB03), the National Natural Science Foundation of China (Grant Nos. 11774247), the Science Foundation for Excellent Youth Scholars of Sichuan University (Grant No. 2015SCU04A04), and the Joint Usage/Research Center PRIUS (Ehime University, Japan) and Chinese Academy of Sciences (Grant No. 2017-BEPC-PT-000568). |
(color online) Refined NPD pattern for WC-type TaN and Ta5N6, inset: structures of WC-type TaN and Ta5N6 determined by NPD structural data, green balls denote Ta atoms and red balls denote N atoms. |