Famin Chen
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View article: Relationship among Structure, Disorder, Magnetism, and Band Topology in the MnSb<sub>2</sub>Te<sub>4</sub>·(Sb<sub>2</sub>Te<sub>3</sub>)<i><sub>n</sub></i> Family
Relationship among Structure, Disorder, Magnetism, and Band Topology in the MnSb<sub>2</sub>Te<sub>4</sub>·(Sb<sub>2</sub>Te<sub>3</sub>)<i><sub>n</sub></i> Family Open
The interplay between topology and magnetism induces various exotic quantum phenomena, with magnetic topological insulators (MTIs) serving as a prominent example due to their ability to host the quantum anomalous Hall effect (QAHE). Howeve…
View article: Nonvolatile optical control of interlayer stacking order in 1T-TaS2
Nonvolatile optical control of interlayer stacking order in 1T-TaS2 Open
Nonvolatile optical manipulation of material properties on demand is a highly sought-after feature in the advancement of future optoelectronic applications. While the discovery of such metastable transition in various materials holds good …
View article: Time-resolved ARPES with probe energy of 6.0/7.2 eV and switchable resolution configuration
Time-resolved ARPES with probe energy of 6.0/7.2 eV and switchable resolution configuration Open
We present a detailed exposition of the design for time- and angle-resolved photoemission spectroscopy using a UV probe laser source that combines the nonlinear effects of β-BaB2O4 and KBe2BO3F2 optical crystals. The photon energy of the p…
View article: Evidence for an Excitonic Insulator State in Ta$_2$Pd$_3$Te$_5$
Evidence for an Excitonic Insulator State in Ta$_2$Pd$_3$Te$_5$ Open
The excitonic insulator (EI) is an exotic ground state of narrow-gap semiconductors and semimetals arising from spontaneous condensation of electron-hole pairs bound by attractive Coulomb interaction. Despite research on EIs dating back to…
View article: Time-resolved ARPES with probe energy of 6.0/7.2 eV and switchable resolution configuration
Time-resolved ARPES with probe energy of 6.0/7.2 eV and switchable resolution configuration Open
We present a detailed exposition of the design for time- and angle-resolved photoemission spectroscopy using a UV probe laser source that combines the nonlinear effects of \b{eta}-BaB2O4 and KBe2BO3F2 optical crystals. The photon energy of…
View article: High-flux wavelength tunable XUV source in the 12–40.8 eV photon energy range with adjustable energy and time resolution for Tr-ARPES applications
High-flux wavelength tunable XUV source in the 12–40.8 eV photon energy range with adjustable energy and time resolution for Tr-ARPES applications Open
High-order harmonic generation (HHG) has a broad spectrum covering vacuum ultraviolet to extreme ultraviolet (XUV) bands, which is useful for applications involving material analyses at different information depths. Such an HHG light sourc…