Discovery of robust in-plane ferroelectricity in atomic-thick SnTe
2016年7月15日 · Stable ferroelectricity with high transition temperature in nanostructures is needed for miniaturizing ferroelectric devices. Here, we report the discovery of the stable in …
Oscillation of Electronic-Band-Gap Size Induced by Crystalline …
2023年7月5日 · Here, we report the discovery of crystal symmetry alternation induced band-gap oscillation in atomically thin PbTe films by scanning tunneling microscopy.
Kai Chang - Google Scholar
Kai Chang. Beijing Academy of Quantum Information Sciences. Verified email at baqis.ac.cn. Condensed matter physics. Articles Cited by Public access Co-authors. ... Vortex‐Oriented …
常凯（全职） - BAQIS
研究团队: 低维量子材料研究团队. 常凯，2009年于山东大学物理与微电子学院获物理学学士学位，2015年于清华大学物理系获物理学博士学位，在德国马克斯·普朗克微结构物理研究所开展 …
Kai CHANG | Principal Investigator | Doctor of Philosophy
Kai CHANG, Principal Investigator | Cited by 3,476 | | Read 38 publications | Contact Kai CHANG
Vortex‐Oriented Ferroelectric Domains in SnTe/PbTe Monolayer …
2021年7月3日 · Here, we report the molecular beam epitaxial (MBE) growth and scanning tunneling microscopy (STM) characterization of the LHS between two distinct group-IV …
Oscillation of Electronic-Band-Gap Size Induced by Crystalline
2023年7月7日 · Here, we report the discovery of crystal symmetry alternation induced band-gap oscillation in atomically thin PbTe films by scanning tunneling microscopy.
Kai Chang - BAQIS
Dr. Kai Chang dedicated to the molecular beam epitaxial (MBE) growth and in situ scanning tunneling microscopy (STM) characterization of low-dimensional quantum materials, including …
Dr. Kai Chang and colleagues report the oscillation of ... - BAQIS
The authors have precisely determined the thickness of each terrace in a PbTe film (ranging from 2 to 18 atomic layers), and demonstrated that an even-layer thick terrace has a relatively …
Oscillation of Electronic-Band-Gap Size Induced by Crystalline …
It is demonstrated that (001) monolayers of rocksalt IV-VI semiconductors XY are 2D TCIs with the fundamental band gap as large as 260 meV in monolayer PbTe, and this crystal field effect …