activity
20202026
most citedBright excitons with negative-mass electrons

59 citations · 113 across the 9 of their papers we have counts for

collaborators

9 papers

cond-mat.str-el2026

Ultrafast electron crystallography reveals the atomic pathway of a light-driven correlated insulator-to-metal transition

Arthur Niedermayr, Hongyi Xu, Chin Shen Ong +9

Ultrafast phase transitions in correlated materials are often inferred from selected diffraction peak intensities or diffraction peak displacements, leaving the underlying three-di…

cond-mat.mtrl-sci2026

Unraveling the symmetry of Al5C3N

Vitalii Shtender, Chin Shen Ong, Pedro Berastegui +6

The high-temperature ceramic compound Al5C3N with promising application usage belongs to the scarcely studied Al-C-N system. It was originally reported as an ordered compound in th…

cond-mat.str-el2025

Topological Metal-Insulator Transition within the Ferromagnetic state

Ola Kenji Forslund, Chin Shen Ong, Moritz M. Hirschmann +20

A major challenge in condensed matter physics is integrating topological phenomena with correlated electron physics to leverage both types of states for next-generation quantum dev…

cond-mat.mtrl-sci2025

How quantum selection rules influence the magneto-optical effects of driven, ultrafast magnetization dynamics

Mohamed F. Elhanoty, Olle Eriksson, Chin Shen Ong +1

Ultrafast magnetization dynamics driven by ultrashort pump lasers is typically explained by changes in electronic populations and scattering pathways of excited conduction electron…

cond-mat.mtrl-sci2022★ 12 cited

Optically controlled single-valley exciton doublet states with tunable internal spin structures and spin magnetization generation

Jiawei Ruan, Zhenglu Li, Chin Shen Ong +1

Manipulating quantum states through light-matter interactions has been actively pursued in two-dimensional (2D) materials research. Significant progress has been made towards the o…

cond-mat.mtrl-sci2022

sp/sp bonding controlling mechanism at the -AlOgraphene interface

Renan P. Maciel, Chin Shen Ong, Daria Belotcerkovtceva +4

First-principles calculations reported here illuminate the effects of the interfacial properties of -AlO and graphene, with emphasis on the structural and electronic…

cond-mat.mes-hall2022★ 42 cited

Unconventional Excitonic States with Phonon Sidebands in Layered Silicon Diphosphide

Ling Zhou, Junwei Huang, Lukas Windgaetter +16

Many-body interactions between quasiparticles (electrons, excitons, and phonons) have led to the emergence of new complex correlated states and are at the core of condensed matter…

cond-mat.mtrl-sci2022

Photo-induced Hidden Phase of 1T-TaS2 with Tunable Lifetime

Pierre-Adrien Mante, Chin Shen Ong, Daniel Finkelstein Shapiro +3

Phase transitions are ubiquitous, appearing at every length scale from atoms to galaxies. In condensed matter, ultrafast laser pulses drive materials to highly non-equilibrium cond…

cond-mat.mes-hall2020★ 59 cited

Bright excitons with negative-mass electrons

Kai-Qiang Lin, Chin Shen Ong, Sebastian Bange +15

Bound electron-hole excitonic states are generally not expected to form with charges of negative effective mass. We identify such excitons in a single layer of the semiconductor WS…