activity
20202024
most citedOptical manipulation of electronic dimensionality in a quantum material

84 citations · 277 across the 12 of their papers we have counts for

collaborators

12 papers

cond-mat.mtrl-sci2024

Optical manipulation of the topological phase in ZrTe5 revealed by time- and angle-resolved photoemission

Chaozhi Huang, Chengyang Xu, Fengfeng Zhu +8

High-resolution time- and angle-resolved photoemission measurements were conducted on the topological insulator ZrTe5. With strong femtosecond photoexcitation, a possible ultrafast…

cond-mat.mtrl-sci2023★ 27 cited

Field-Free Switching in Symmetry Breaking Multilayers: The Critical Role of Interlayer Chiral Exchange

Yung-Cheng Li, Yu-Hao Huang, Chao-Chung Huang +2

It is crucial to realize field-free, deterministic, current-induced switching in spin-orbit torque magnetic random-access memory (SOT-MRAM) with perpendicular magnetic anisotropy (…

cond-mat.str-el2023★ 23 cited

Ultrafast Switching from the Charge Density Wave Phase to a Metastable Metallic State in 1T-TiSe

Shaofeng Duan, Wei Xia, Chaozhi Huang +7

The ultrafast electronic structures of the charge density wave material 1T-TiSe were investigated by high-resolution time- and angle-resolved photoemission spectroscopy. We fou…

cond-mat.supr-con2022★ 4 cited

A sample-position-autocorrection system with precision better than 1 \um~in angle-resolved photoemission experiments

Shaofeng Duan, Shichong Wang, Yuanyuan Yang +4

We present the development of a high-precision sample-position-autocorrection system for photoemission experiments. A binocular vision method based on image pattern matching calcul…

cond-mat.mtrl-sci2022★ 40 cited

Growth-dependent Interlayer Chiral Exchange and Field-free Switching

Yu-Hao Huang, Chao-Chung Huang, Wei-Bang Liao +2

Interfacial Dzyaloshinskii-Moriya interaction (DMI) has long been observed in normal metal/ferromagnetic multilayers, enabling the formation of chiral domain walls, skyrmions and o…

cond-mat.mes-hall2022★ 4 cited

Deep Learning for Spin-Orbit Torque Characterizations with a Projected Vector Field Magnet

Chao-Chung Huang, Chia-Chin Tsai, Wei-Bang Liao +2

Spin-orbit torque characterizations on magnetic heterostructures with perpendicular anisotropy are demonstrated on a projected vector field magnet via hysteresis loop shift measure…

cond-mat.supr-con2022★ 11 cited

Anomalous contribution to the nematic electronic states from the structural transition in FeSe revealed by time- and angle-resolved photoemission spectroscopy

Yuanyuan Yang, Qisi Wang, Shaofeng Duan +8

High-resolution time- and angle-resolved photoemission measurements were made on FeSe superconductors. With ultrafast photoexcitation, two critical excitation fluences that corresp…

cond-mat.supr-con2022★ 4 cited

Unusual band splitting and superconducting gap evolution with sulfur substitution in FeSe

Yuanyuan Yang, Qisi Wang, Shaofeng Duan +7

High-resolution angle-resolved photoemission measurements were taken on FeSeS (x=0, 0.04, and 0.08) superconductors. With an ultrahigh energy resolution of 0.4 meV, unu…

cond-mat.mes-hall2021★ 1 cited

Anatomy of Type-X Spin-Orbit Torque Switching

Yan-Ting Liu, Chao-Chung Huang, Kuan-Hao Chen +4

Using type-x spin-orbit torque (SOT) switching scheme, in which the easy axis (EA) of the ferromagnetic (FM) layer and the charge current flow direction are collinear, is possible…

cond-mat.mtrl-sci2021★ 19 cited

Coexistence of Ferroelectric-like Polarization and Dirac-like Surface State in TaNiTe5

Yunlong Li, Zhao Ran, Chaozhi Huang +20

By combining angle-resolved photoemission spectroscopy (ARPES), scanning tunneling microscopy (STM), piezoresponse force microscopy (PFM) and first-principles calculations, we have…

cond-mat.str-el2021★ 84 cited

Optical manipulation of electronic dimensionality in a quantum material

Shaofeng Duan, Yun Cheng, Wei Xia +9

Exotic phenomenon can be achieved in quantum materials by confining electronic states into two dimensions. For example, relativistic fermions are realised in a single layer of carb…

cond-mat.str-el2020★ 60 cited

Non-Coulomb strong electron-hole binding in revealed by time- and angle-resolved photoemission spectroscopy

Tangwei Tang, Hongyuan Wang, Shafeng Duan +5

We reveal an ultrafast purely electronic phase transition in \TNS, which is a plausible excitonic insulator, after excited by an ultrafast infrared laser pulse. Specifically, the o…