Band alignment at the interface of PbTe/SnTe heterojunction determined by X-ray photoelectron spectroscopyTianyu Shu, Zhenyu Ye, Pengqi Lu, Lu Chen, Gangyi Xu, Jie Zhou and Huizhen WuEPL, 116 3 (2016) 37006DOI: https://doi.org/10.1209/0295-5075/116/37006