110 citations · 215 across the 9 of their papers we have counts for
7 papers · 1 filter
Symmetry-breaking and spin-blockage effects on carrier dynamics in single-layer tungsten diselenide
Ro-Ya Liu, Meng-Kai Lin, Peng Chen +10
Understanding carrier creation and evolution in materials initiated by pulsed optical excitation is central to developing ultrafast optoelectronics. We demonstrate herein that the…
Comment on "Chiral Phase Transition in Charge Ordered 1T-TiSe2" and Supplementary Material on "First-order Forbidden X-ray Diffraction"
Meng-Kai Lin, Joseph A. Hlevyack, Peng Chen +2
A prior report of the emergence of chirality for the (2x2x2) charge density wave (CDW) in TiSe2 has attracted much interest; the drastic symmetry breaking is highly unusual with fe…
In-situ strain tuning of the Dirac surface states in Bi2Se3 films
David Floetotto, Yang Bai, Yang-Hao Chan +12
Elastic strain has the potential for a controlled manipulation of the band gap and spin-polarized Dirac states of topological materials, which can lead to pseudo-magnetic-field eff…
Energetics of oxygen-octahedra rotations in perovskite oxides from first principles
Peng Chen, Mathieu N. Grisolia, Hong Jian Zhao +5
We use first-principles methods to study oxygen-octahedra rotations in ABO3 perovskite oxides. We focus on the short-period, perfectly antiphase or in-phase, tilt patterns that cha…
Gapped Electronic Structure of Epitaxial Stanene on InSb(111)
Cai-Zhi Xu, Yang-Hao Chan, Peng Chen +7
Stanene (single-layer grey tin), with an electronic structure akin to that of graphene but exhibiting a much larger spin-orbit gap, offers a promising platform for room-temperature…
Two distinct topological phases in the mixed valence compound YbB6 and its differences from SmB6
Tay-Rong Chang, Tanmoy Das, Peng-Jen Chen +6
We discuss the evolution of topological states and their orbital textures in the mixed valence compounds SmB6 and YbB6 within the framework of the generalized gradient approximatio…