化学
纳米晶
氧化还原
激子
极化(电化学)
对偶(语法数字)
光化学
纳米技术
无机化学
物理化学
凝聚态物理
艺术
材料科学
物理
文学类
作者
Aaron Kenny-Wilby,Emily S. Wedde,Stefan Zorn,Milena Gojsevic,Pavle V. Radovanovic
摘要
Discovering alternative means to control electronic states in semiconductor nanostructures is the key to the development of new quantum technologies. Controlling the cyclotron motion of free charge carriers in semiconductor nanocrystals using an external magnetic field generates a tunable angular momentum, as a collective electronic degree of freedom, which can be imparted to the electronic band states to achieve complete exciton polarization. The sign of this polarization is determined by the type of majority charge carriers in a given lattice. Using magnetic circular dichroism spectroscopy, we demonstrate a simultaneous polarization of excitonic states in substoichiometric oxygen-deficient CeO
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