440 citations · 2.3k across the 34 of their papers we have counts for
16 papers · 1 filter
Electron-Electron Interactions in 2D Semiconductor InSe
Arvind Shankar Kumar, Kasun Premasiri, Min Gao +4
Electron-electron interactions (EEIs) in 2D van der Waals structures is one of the topics with high current interest in physics. We report the observation of a negative parabolic m…
Tuning Rashba Spin-Orbit Coupling in Gated Multilayer InSe
Kasun Premasiri, Santosh Kumar Radha, Sukrit Sucharitakul +5
Manipulating the electron spin with the aid of spin-orbit coupling (SOC) is an indispensable element of spintronics. Electrostatically gating a material with strong SOC results in…
Anisotropic electrical resistance in mesoscopic LaAlO/SrTiO devices with individual domain walls
Nicholas J. Goble, Richard Akrobetu, Hicham Zaid +4
The crystal structure of bulk SrTiO(STO) transitions from cubic to tetragonal at around 105K. Recent local scanning probe measurements of LaAlO/SrTiO (LAO/STO) interfac…
Screening limited switching performance of multilayer 2D semiconductor FETs: the case for SnS
Sukrit Sucharitakul, Rajesh Kumar Ulaganathan, Raman Sankar +6
Gate tunable p-type multilayer tin mono-sulfide (SnS) field-effect transistor (FET) devices with SnS thickness between 50 and 100 nm were fabricated and studied to understand their…
Intrinsic electron mobility exceeding 1000 cm/Vs in multilayer InSe FETs
Sukrit Sucharitakul, Nicholas J. Goble, U. Rajesh Kumar +5
Graphene-like two-dimensional (2D) materials, not only are interesting for their exotic electronic structure and fundamental electronic transport or optical properties but also, ho…
Linear magneto-resistance versus weak antilocalization effects in BiTe films
Z. H. Wang, L. Yang, X. T. Zhao +2
In chalcogenide topological insulator materials, two types of magneto-resistance (MR) effects are widely discussed: a positive MR dip around zero magnetic field associated with the…
Granularity Controlled Non-Saturating Linear Magneto-resistance in Topological Insulator Bi2Te3 Films
Z. H. Wang, L. Yang, X. J. Li +4
We report on the magneto-transport properties of chemical vapor deposition grown films of interconnected Bi2Te3 nanoplates. Similar to many other topological insulator (TI) materia…
Impact of Short-Range Scattering on the Metallic Transport of Strongly Correlated 2D Holes in GaAs Quantum Wells
Nicholas J. Goble, John D. Watson, Michael J. Manfra +1
Understanding the non-monotonic behavior in the temperature dependent resistance, R(T), of strongly correlated two-dimensional (2D) carriers in clean semiconductors has been a cent…
Metal-Insulator Transition in Variably Doped (Bi1-xSbx)2Se3 Nanosheets
Chee Huei Lee, Rui He, ZhenHua Wang +8
Topological insulators are novel quantum materials with metallic surface transport, but insulating bulk behavior. Often, topological insulators are dominated by bulk contributions…
Ambipolar Surface Conduction in Ternary Topological Insulator Bi_2(Te_{1-x}Se_x)_3 Nanoribbons
ZhenHua Wang, Richard L. J. Qiu, Chee Huei Lee +2
We report the composition and gate voltage induced tuning of transport properties in chemically synthesized Bi2(Te1-xSex)3 nanoribbons. It is found that increasing Se concentration…
One-Dimensional Quantum Confinement Effect Modulated Thermoelectric Properties in InAs Nanowires
Yuan Tian, Mohammed R. Sakr, Jesse M. Kinder +5
We report electrical conductance and thermopower measurements on InAs nanowires synthesized by chemical vapor deposition. Gate modulation of the thermopower of individual InAs nano…
Strong tuning of Rashba spin orbit interaction in single InAs nanowires
Dong Liang, Xuan P. A. Gao
A key concept in the emerging field of spintronics is the gate voltage or electric field control of spin precession via the effective magnetic field generated by the Rashba spin or…
Two-dimensional Transport Induced Linear Magneto-Resistance in Topological Insulator BiSe Nanoribbons
Hao Tang, Dong Liang, Richard L. J. Qiu +1
We report the study of a novel linear magneto-resistance (MR) under perpendicular magnetic fields in Bi2Se3 nanoribbons. Through angular dependence magneto-transport experiments, w…
Magneto-transport Effects in Topological Insulator BiSe Nanoribbons
Hao Tang, Dong Liang, Richard L. J. Qiu +1
Magneto-resistance (MR) of BiSe nanoribbons is studied over a broad range of temperature (=300K-2K) and under various magnetic field () orientations. The MR is strong…
Anisotropic Magneto-conductance of InAs Nanowire: Angle Dependent Suppression of 1D Weak Localization
Dong Liang, Juan Du, Xuan P. A. Gao
The magneto-conductance of an InAs nanowire is investigated with respect to the relative orientation between external magnetic field and the nanowire axis. It is found that both th…
One-dimensional Weak Localization of Electrons in a Single InAs Nanowire
Dong Liang, Mohammed R. Sakr, Xuan P. A. Gao
We report on low temperature (2-30K) electron transport and magneto-transport measurements of a chemically synthesized InAs nanowire. Both the temperature, T, and transverse magnet…