Inhomogeneous composition distribution in monolayer transition metal dichalcogenide alloys
Inhomogeneous composition distribution in monolayer transition metal dichalcogenide alloys
复制标题
单层过渡金属二硫属化物合金中的不均匀成分分布
DOI:
10.1088/2053-1591/aa6859
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发表时间:
2017-04
影响因子:
2.3
通讯作者:
Deren Yang
中科院分区:
文献类型:
--
作者:
Shuang Xie;Mingsheng Xu;Shuyun Huang;Tao Liang;Shengping Wang;Hongfei Li;Hideo Iwai;Keiko Onishi;Nobutaka Hanagata;Daisuke Fujita;Xiangyang Ma;Deren Yang
Alloying with various compositions is an efficient method to tailor the optoelectronic properties of two-dimensional (2D) transition metal dichalcogenides (TMDs). However, the composition distribution in the monolayer of TMDs alloys lacks detailed investigation. Here, by exploring scanning Auger electron spectroscopy, we investigate the composition distribution in MoS2(1−x)Se2x monolayers with high spatial resolution. Our results demonstrate that inhomogeneous composition distribution exists not only among different nanosheets on a substrate but also within individual nanosheets. Our study would be helpful to develop new methods for controllable synthesis of TMDs alloys and other 2D materials.
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