Search Results - "Chen, F G"
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Experimental Discovery of Weyl Semimetal TaAs
Published in Physical review. X (01-07-2015)“…Weyl semimetals are a class of materials that can be regarded as three-dimensional analogs of graphene upon breaking time-reversal or inversion symmetry…”
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H0LiCOW – IX. Cosmographic analysis of the doubly imaged quasar SDSS 1206+4332 and a new measurement of the Hubble constant
Published in Monthly notices of the Royal Astronomical Society (21-04-2019)“…Abstract We present a blind time-delay strong lensing (TDSL) cosmographic analysis of the doubly imaged quasar SDSS 1206+4332 . We combine the relative time…”
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Three-component fermions with surface Fermi arcs in tungsten carbide
Published in Nature physics (01-04-2018)“…Topological Dirac and Weyl semimetals not only host quasiparticles analogous to the elementary fermionic particles in high-energy physics, but also have a…”
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Observation of Fermi-Arc Spin Texture in TaAs
Published in Physical review letters (20-11-2015)“…We have investigated the spin texture of surface Fermi arcs in the recently discovered Weyl semimetal TaAs using spin- and angle-resolved photoemission…”
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Tracking Ultrafast Photocurrents in the Weyl Semimetal TaAs Using THz Emission Spectroscopy
Published in Physical review letters (15-05-2019)“…We investigate polarization-dependent ultrafast photocurrents in the Weyl semimetal TaAs using terahertz (THz) emission spectroscopy. Our results reveal that…”
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Bipolar Conduction as the Possible Origin of the Electronic Transition in Pentatellurides: Metallic vs Semiconducting Behavior
Published in Physical review. X (30-05-2018)“…The pentatelluridesZrTe5andHfTe5are layered compounds with one-dimensional transition-metal chains that show a not-yet-understood temperature-dependent…”
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Observation of Fermi-surface–dependent nodeless superconducting gaps in Ba0.6K0.4Fe2As2
Published in Europhysics letters (01-08-2008)“…We have performed a high-resolution angle-resolved photoelectron spectroscopy study on the newly discovered superconductor Ba0.6K0.4Fe2As2 (Tc=37 K). We have…”
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Evidence for Topological Edge States in a Large Energy Gap near the Step Edges on the Surface of ZrTe5
Published in Physical review. X (10-05-2016)“…Two-dimensional topological insulators with a large bulk band gap are promising for experimental studies of quantum spin Hall effect and for spintronic device…”
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Magnetic order close to superconductivity in the iron-based layered LaO1-xFxFeAs systems
Published in Nature (London) (12-06-2008)“…Following the discovery of long-range antiferromagnetic order in the parent compounds of high-transition-temperature (high-T(c)) copper oxides, there have been…”
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Unconventional Hall response in the quantum limit of HfTe5
Published in Nature communications (23-11-2020)“…Interacting electrons confined to their lowest Landau level in a high magnetic field can form a variety of correlated states, some of which manifest themselves…”
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Structural and magnetic phase diagram of CeFeAsO1− xFx and its relation to high-temperature superconductivity
Published in Nature materials (01-12-2008)“…Recently, high-transition-temperature (high- T c ) superconductivity was discovered in the iron pnictide RFeAsO 1− x F x (R, rare-earth metal) family of…”
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12
Competing orders and spin-density-wave instability in La(O1−xFx)FeAs
Published in Europhysics letters (01-07-2008)“…The interplay between different ordered phases, such as superconducting, charge or spin ordered phases, is of central interest in condensed-matter physics. The…”
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3D printed and spiral lithographically patterned erbium-doped polymer micro-waveguide amplifiers
Published in Scientific reports (28-10-2021)“…Infrared (IR)-emitting RE doped materials have been extensively used to fabricate active components of integrated optical devices in various fields, such as…”
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Development of an amplicon-based sequencing approach in response to the global emergence of mpox
Published in PLoS biology (13-06-2023)“…The 2022 multicountry mpox outbreak concurrent with the ongoing Coronavirus Disease 2019 (COVID-19) pandemic further highlighted the need for genomic…”
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Temperature-tunable Fano resonance induced by strong coupling between Weyl fermions and phonons in TaAs
Published in Nature communications (30-03-2017)“…Strong coupling between discrete phonon and continuous electron–hole pair excitations can induce a pronounced asymmetry in the phonon line shape, known as the…”
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Direct Observation of Coherent Longitudinal and Shear Acoustic Phonons in TaAs Using Ultrafast X-Ray Diffraction
Published in Physical review letters (15-04-2022)“…Using femtosecond time-resolved x-ray diffraction, we investigated optically excited coherent acoustic phonons in the Weyl semimetal TaAs. The low symmetry of…”
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Fermi surface dichotomy of the superconducting gap and pseudogap in underdoped pnictides
Published in Nature communications (12-07-2011)“…High-temperature superconductivity in iron-arsenic materials (pnictides) near an antiferromagnetic phase raises the possibility of spin-fluctuation-mediated…”
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Flexible low-temperature polycrystalline silicon thin-film transistors
Published in Materials today advances (01-03-2020)“…In today's society, displays are indispensable for digital interaction and personal contact. Therefore, the development of displays is an urgent need for the…”
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Reentrance of interface superconductivity in a high-Tc cuprate heterostructure
Published in Nature communications (10-11-2023)“…Increasing the carrier density in a Mott insulator by chemical doping gives rise to a generic superconducting dome in high temperature superconductors. An…”
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Atomic-scale mechanisms of the glass-forming ability in metallic glasses
Published in Physical review letters (07-09-2012)“…The issue, composition dependence of glass-forming ability (GFA) in metallic glasses (MG), has been investigated by systematic experimental measurements…”
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