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 …
Experimental verification of band convergence in Sr and Na codoped PbTe
2023年9月14日 · Scanning tunneling microscopy (STM) and transport measurements have been performed to investigate the electronic structure and its temperature dependence in heavily Sr …
Emergence of distinct electronic states in epitaxially-fused PbSe ...
2022年11月10日 · In this work, the local electronic structure of PbSe QD epi-SLs is probed using a combination of scanning tunneling microscopy/spectroscopy (STM/STS) and …
我院在二维半导体薄膜带隙的原子级精确调控方面取得进展
2023年7月11日 · 该文的研究者通过分子束外延（MBE）技术在石墨化的碳化硅衬底上制备了PbTe薄膜，并利用扫描隧道显微镜（STM）技术对其带隙展开了系统的研究。
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 …
(a) Crystal structure of SnTe and PbTe. (b) RHEED pattern of SrTiO3...
The properties of molecular beam epitaxy grown SnTe TCI on SrTiO3 (001) are investigated using scanning tunneling microscopy (STM), noncontact atomic force microscopy, low-energy and …
Topological crystalline insulator Pb - AIP Publishing
2014年5月15日 · In this study, we obtained high-quality Pb x Sn 1-x Te thin films on SrTiO 3 (STO) (001) by molecular beam epitaxy (MBE). Two domains with 45° intersecting angle were …
Tunneling and microcontacts on PbTe dots created by STM
1996年2月1日 · In this paper we re- port on the formation of nanometer-sized disordered mounds on the PbTe semiconductor surface by means of a low-temperature STM at 4.2 K and on the …
Molecular beam epitaxy growth of few-layer stanene
2022年11月17日 · PbTe is a normal insulator with a bandgap of ≈0.3 eV and its lattice constant in (111) plane close to that of stanene [15]. In 2018, a two-step MBE growth recipe has been …
MBE growth of stanene on PbTe(111). a) Schematic of the sample...
Stanene, a single atomic layer of Sn in a honeycomb lattice, is predicted a candidate wide bandgap two-dimensional (2D) topological insulator and can host intriguing topological states of...