Terahertz emission in quantum materials
S Yang, L Cheng, J Qi - Ultrafast Science, 2023 - spj.science.org
The study of the interaction between terahertz (THz) radiation and quantum materials has
been an active area of research due to its potential for understanding fundamental physics …
been an active area of research due to its potential for understanding fundamental physics …
Electric Control of Helicity-Dependent Photocurrent and Surface Polarity Detection on Two-Dimensional Bi2O2Se Nanosheets
W Wu, J Yu, YH Chen, Y Liu, S Cheng, Y Lai, J Sun… - ACS …, 2023 - ACS Publications
Bismuth oxyselenide (Bi2O2Se) is a two-dimensional (2D) layered semiconductor material
with high electron Hall mobility and excellent environmental stability as well as strong spin …
with high electron Hall mobility and excellent environmental stability as well as strong spin …
Prediction of photogalvanic effect enhancement in Janus transition metal dichalcogenide monolayers induced by spontaneous curling
Enhancement of photogalvanic effect (PGE) in two-dimensional materials is of great
importance for nanoscale self-powered optoelectronic devices. In this paper, we …
importance for nanoscale self-powered optoelectronic devices. In this paper, we …
Unveiling surface and bulk contributions in temperature dependent THz emission from Bi2Te3
We report evolution of the pulsed terahertz (THz) emission from Bi 2 Te 3 topological
insulator in a wide temperature range, where an interplay between the topological surface …
insulator in a wide temperature range, where an interplay between the topological surface …
Investigation of Interface-Induced Helicity-Dependent Photocurrent and High-TC Ferromagnetism in Wafer-Scale 2D Ferromagnetic Fe4GeTe2/Bi2Te3 …
Z Lin, R Zhao, J Yu, Q Li, W **e, Y Lai… - … Applied Materials & …, 2024 - ACS Publications
The helicity-dependent photocurrent (HDPC) of Fe4GeTe2 (3, 5, 8, 10 nm)/Bi2Te3 (8 nm)
heterostructures grown on sapphire substrates was systematically investigated. It is revealed …
heterostructures grown on sapphire substrates was systematically investigated. It is revealed …
Manipulation of Helicity-Dependent Photocurrent and Stokes Parameter Detection in Topological Insulator Bi2Te3 Nanowires
Q Yu, S Feng, J Yu, S Cheng, Y Lai… - ACS Applied Materials …, 2024 - ACS Publications
Helicity-dependent photocurrent (HDPC) and its modulation in topological insulator Bi2Te3
nanowires have been investigated. It is revealed that when the incident plane of a laser is …
nanowires have been investigated. It is revealed that when the incident plane of a laser is …
Interface enhanced photogalvanic effects in the monolayer for spintronics
Y Wang, Y **e, G Lin, X Ye - Physical Review Materials, 2024 - APS
The electrode-semiconductor interface plays an important role in generating and enhancing
the photogalvanic effects (PGEs) in semiconducting materials. However, knowledge of the …
the photogalvanic effects (PGEs) in semiconducting materials. However, knowledge of the …
Impact of grain boundary on photogalvanic effect in transition metal dichalcogenide monolayer
The photogalvanic effect (PGE) has emerged as a promising mechanism for generating
photocurrent in 2D materials with broken inversion symmetry. In this study, we systematically …
photocurrent in 2D materials with broken inversion symmetry. In this study, we systematically …
Enhanced photogalvanic effect in MoSSe monolayer with grain boundaries
The photogalvanic effect (PGE) in two-dimensional materials has emerged as a fascinating
mechanism for generating photocurrent in non-centrosymmetric crystals without …
mechanism for generating photocurrent in non-centrosymmetric crystals without …
Helicity-dependent photocurrent of topological surface states in the intrinsic magnetic topological insulator MnBi2Te4
H Fu, J Yu, Y Bai, S Cheng, Y Lai, Y Chen, K He… - Applied Physics …, 2024 - pubs.aip.org
Helicity-dependent photocurrent (HDPC) of the topological surface states (TSSs) in the
intrinsic magnetic topological insulator MnBi 2 Te 4 is investigated. It is revealed that the …
intrinsic magnetic topological insulator MnBi 2 Te 4 is investigated. It is revealed that the …