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| 1 | Valley transport in Kekulé structures of graphene显示文摘Valleytronics is an emergent discipline in condensed matter physics and offers a new way to encode and manipulate information based on the valley degree of freedom in materials. Among the various materials being studied, Kekulé distorted graphene has emerged as a promising material for valleytronics applications. Graphene can be artificially distorted to form the Kekulé structures rendering the valley-related interaction. In this work, we review the recent progress of research on Kekulé structures of graphene and focus on the modified electronic bands due to different Kekulé distortions as well as their effects on the transport properties of electrons. We systematically discuss how the valley-related interaction in the Kekulé structures was used to control and affect the valley transport including the valley generation, manipulation, and detection. This article summarizes the current challenges and prospects for further research on Kekulé distorted graphene and its potential applications in valleytronics. | 王娟娟 汪军 | 2024 | Chinese Physics B2024，33，1： | 0 |
| 2 | 多针对板式负离子发生器中臭氧释放的量子效应显示文摘臭氧是一种高效广谱无残留污染的气体消毒剂。新冠肺炎在全世界的大流行显著地影响了公共安全和健康。低浓度的臭氧能够灭活新冠病毒。负离子发生器是产生臭氧的一种安全高效的方法,通过多针对板电晕放电,在针板电极之间会形成离子流,释放出一定浓度的臭氧。在负离子发生器中电极板间距与臭氧释放的关系研究中,不同的实验观察出现矛盾的结果,使得理论解释变得非常困难和复杂。本实验室系统地研究臭氧释放速率与针板电极间距离和板电极材料的变化关系。随着针板电极间距离的缩短,臭氧释放速率呈现不连续的台阶式跳跃上升,呈现臭氧释放量子效应。在以4种材料(铝,不锈钢,黄铜和红铜)为板电极的负离子发生器中,都观测到了类似的臭氧释放量子效应,并对实验结果进行了解释。实验中首次发现的臭氧释放量子效应,是微观电子世界量子行为在宏观世界的一种体现。臭氧释放量子效应提供了一种全新的技术方法,可用于测量材料的微观特性和电晕放电特征。 | 郝嘉雪 刘波 黄旭楠 徐文华 张宏亮 王国华 苗启广 李檀平 贾广 | 2022 | 西安电子科技大学学报2022，49，3： | 0 |
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