Effect of Sn on formation and transformation of VO2 phaseHao-nan Dong, De-li Shang, Yan-qing Lu, Yu-tong Li, Fa-yu Wu and Jun-wei ZhangEur. Phys. J. Appl. Phys., 98 (2023) 19DOI: https://doi.org/10.1051/epjap/2023220267