The synthesis of Bi2Te3 nanobelts by vapor–liquid–solid method and their electrical transport properties

Thermal and Electrical Conduction of Single-crystal Bi2Te3 Nanostructures grown using a one step process

“…Moreover, thermal contact resistance is a critical problem in terms of extracting the intrinsic thermal conductivity using nearly all of the steady-state heat flow methods. Therefore, noncontact approaches using optical spectroscopy have been introduced to measure the thermal conductivity of individual semiconductor nanowires (NW) 13 14 15 , nanotubes 16 , any layered structures such as MoS 2 17 and graphene 18 . This method is based on the heat flow caused by the laser heating of freely suspended nanostructures for the determination of the local temperature by micro-Raman spectroscopy 13 14 15 16 17 18 .…”

SnTe microcrystals: Surface cleaning of a topological crystalline insulator

“…7 There have been numerous successful examples for the conversion of TIs and TCIs from bulk to nanoform using a variety of growth techniques, including both wet and dry synthesis methods. [8][9][10][11][12][13][14] In this letter, we demonstrate effective cleaning methods in ultra high vacuum (UHV) of high SAVR materials, which have been exposed to atmosphere. With this information, we explore a preparation method that can negate the effects of surface contamination and allow the more exotic surface states of the TCIs to be explored.…”

Surface state dominated transport in topological insulator Bi2Te3 nanowires

“…Bi 2 Te 3 , also well known as an excellent thermoelectric material, is one of the common TI materials and has been synthesized via different growth methods in various morphologies, e.g., Bi 2 Te 3 bulk material, 11 thin films, 12,13 nanoribbons, 8 nanobelts or nanowires (NWs). 5,14,15 However, up to now electrical transport properties of these structures vary strongly. Small formation energies of antisite defects exacerbate the control over structural and electronic properties of Bi 2 Te 3 .…”