论文标题
单声音和中性激子在单声音和双层Mote2中的高音子限制迁移率
High phonon-limited mobility of charged and neutral excitons in mono- and bilayer MoTe2
论文作者
论文摘要
我们分析了单层和双层钼二硝基脲在温度和激发强度依赖性实验中的甲叶叶丁丁酰丁胺的光致发光的线形。我们根据其发射特性证实了双层中带负电荷的TRION的存在，并找到了在能量上进行一些MEV分裂的内部和层间Trions共存的提示。根据激子和TRION发射的线形分析，我们提取了MOTE2中的激子和TRION变形电位的值，以及声音和光子限制的迁移率，其迁移率显示了迄今为止报告的最高值，用于过渡金属二核代剂。
We analyze the lineshape of the quasiparticle photoluminescence of monolayer and bilayer molybdenum ditelluride in temperature- and excitation intensity-dependent experiments. We confirm the existence of a negatively charged trion in the bilayer based on its emission characteristics and find hints for a coexistence of intra- and interlayer trions with a few meV splitting in energy. From the lineshape analysis of exciton and trion emission we extract values for exciton and trion deformation potentials as well as acoustical and optical phonon-limited mobilities in MoTe2, with the mobilities showing the highest values so far reported for transition metal dichalcogenides.
