title: Topological surface transport properties of single-crystalline SnTe nanowire.
abstract: SnTe has attracted worldwide interest since its theoretical predication as topological crystalline insulator. Because of promising applications of one-dimensional topological insulator in nanoscale electronics and spintronics device, it is very important to realize the observation of topological surface states in one-dimensional SnTe. In this work, for the first time we successfully synthesized high-quality single crystalline SnTe nanowire via gold-catalyst chemical vapor deposition method. Systematical investigation of Aharonov-Bohm and Shubnikov-de Haas oscillations in single SnTe nanowire prove the existence of Dirac electrons. Further analysis of temperature-dependent Shubnikov-de Haas oscillations gives valuable information of cyclotron mass, mean-free path, and mobility of Dirac electrons in SnTe nanowire. Our study provides the experimental groundwork for research in low-dimensional topological crystalline insulator materials and paves the way for the application of SnTe nanowire in nanoelectronics and spintronics device.
authors.affiliation: National Center for Nanoscience and Technology , Beijing 100190, China.
authors.forename: Muhammad
authors.initials: M
authors.lastname: Safdar
authors.forename: Qisheng
authors.initials: Q
authors.lastname: Wang
authors.forename: Misbah
authors.initials: M
authors.lastname: Mirza
authors.forename: Zhenxing
authors.initials: Z
authors.lastname: Wang
authors.forename: Kai
authors.initials: K
authors.lastname: Xu
authors.forename: Jun
authors.initials: J
authors.lastname: He