779 citations · 2.9k across the 10 of their papers we have counts for
10 papers
Ultra-low carrier concentration and surface dominant transport in Sb-doped Bi2Se3 topological insulator nanoribbons
Seung Sae Hong, Judy J. Cha, Desheng Kong +1
A topological insulator is a new state of matter, possessing gapless spin-locking surface states across the bulk band gap which has created new opportunities from novel electronics…
Ambipolar Field Effect in Topological Insulator Nanoplates of (BixSb1-x)2Te3
Desheng Kong, Yulin Chen, Judy J. Cha +11
Topological insulators represent a new state of quantum matter attractive to both fundamental physics and technological applications such as spintronics and quantum information pro…
Rapid Surface Oxidation as a Source of Surface Degradation Factor for Bi2Se3
Desheng Kong, Judy J. Cha, Keji Lai +8
Bi2Se3 is a topological insulator with metallic surface states residing in a large bulk bandgap. It is believed that Bi2Se3 gets additional n-type doping after exposure to atmosphe…
Ultra-thin Topological Insulator Bi2Se3 Nanoribbons Exfoliated by Atomic Force Microscopy
Seung Sae Hong, Worasom Kundhikanjana, Judy J. Cha +6
Ultra-thin topological insulator nanostructures, in which coupling between top and bottom surface states takes place, are of great intellectual and practical importance. Due to the…
Few-layer Nanoplates of Bi2Se3 and Bi2Te3 with Highly Tunable Chemical Potential
Desheng Kong, Wenhui Dang, Judy J. Cha +5
Topological insulator (TI) represents an unconventional quantum phase of matter with insulating bulk bandgap and metallic surface states. Recent theoretical calculations and photoe…
Magnetic Doping and Kondo Effect in Bi2Se3 Nanoribbons
Judy J. Cha, James R. Williams, Desheng Kong +6
A simple surface band structure and a large bulk band gap have allowed Bi2Se3 to become a reference material for the newly discovered three-dimensional topological insulators, whic…
Topological Insulator Nanowires and Nanoribbons
Desheng Kong, Jason C. Randel, Hailin Peng +7
Recent theoretical calculations and photoemission spectroscopy measurements on the bulk Bi2Se3 material show that it is a three-dimensional topological insulator possessing conduct…
Aharonov-Bohm interference in topological insulator nanoribbons
Hailin Peng, Keji Lai, Desheng Kong +6
Topological insulators represent novel phases of quantum matter with an insulating bulk gap and gapless edges or surface states. The two-dimensional topological insulator phase was…
Magnetization ground states and phase diagrams for a nano-sized Co hollow sphere : an onion-type magnetization state
Desheng Kong, Siming Wang, Chinping Chen
The magnetization ground states (MGSs) for a nanosized Co hollow sphere, with the outer radius, R < 50 nm, have been studied numerically by micromagnetic simulation using object or…
Magnetism and effect of anisotropy with one dimensional monatomic chain of cobalt by a Monte Carlo simulation
Lin He, Desheng Kong, Chinping Chen
The magnetic properties of the one dimensional (1D) monatomic chain of Co reported in a previous experimental work are investigated by a classical Monte Carlo simulation based on t…