Chenhui Yan
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View article: Profiling Hydrogen-Bond Conductance via Fixed-Gap Tunnelling Sensors in Physiological Solution
Profiling Hydrogen-Bond Conductance via Fixed-Gap Tunnelling Sensors in Physiological Solution Open
Hydrogen bonding, a prevalent molecular interaction in nature, is crucial in biological and chemical processes. The emergence of single-molecule techniques has enhanced our microscopic understanding of hydrogen bonding. However, it is stil…
View article: A Topological Superconductor Tuned by Electronic Correlations
A Topological Superconductor Tuned by Electronic Correlations Open
A topological superconductor, characterized by either a chiral order parameter or a chiral topological surface state in proximity to bulk superconductivity, is foundational to topological quantum computing. As in other topological phases o…
View article: Electronic Modulation and Built‐in Electric Field Strategies in Heterostructures Together Induce 1T‐Rich MoS<sub>2</sub> Conversion for Advanced Sodium Storage
Electronic Modulation and Built‐in Electric Field Strategies in Heterostructures Together Induce 1T‐Rich MoS<sub>2</sub> Conversion for Advanced Sodium Storage Open
1T‐MoS 2 is considered an attractive energy storage material due to its large layer spacing and excellent electrical conductivity. Unfortunately, 1T‐MoS 2 is difficult to synthesize directly due to the substability, which limits its develo…
View article: Distinguishing surface and bulk electromagnetism via their dynamics in an intrinsic magnetic topological insulator
Distinguishing surface and bulk electromagnetism via their dynamics in an intrinsic magnetic topological insulator Open
The indirect exchange interaction between local magnetic moments via surface electrons has been long predicted to bolster the surface ferromagnetism in magnetic topological insulators (MTIs), which facilitates the quantum anomalous Hall ef…
View article: Preservation of Topological Surface States in Millimeter-Scale Transferred Membranes
Preservation of Topological Surface States in Millimeter-Scale Transferred Membranes Open
Ultrathin topological insulator membranes are building blocks of exotic quantum matter. However, traditional epitaxy of these materials does not facilitate stacking in arbitrary orders, while mechanical exfoliation from bulk crystals is al…
View article: In‐Situ‐Generated Electron‐Blocking LiH Enabling an Unprecedented Critical Current Density of Over 15 mA cm<sup>−2</sup> for Solid‐State Hydride Electrolytes
In‐Situ‐Generated Electron‐Blocking LiH Enabling an Unprecedented Critical Current Density of Over 15 mA cm<sup>−2</sup> for Solid‐State Hydride Electrolytes Open
LiBH 4 is a promising solid‐state electrolyte (SE) due to its thermodynamic stability to Li. However, poor Li‐ion conductivities at room temperature, low oxidative stabilities, and severe dendrite growth hamper its application. In this wor…
View article: A Wide Temperature 10 V Solid-state Electrolyte with a Critical Current Density of over 20 mA cm-2
A Wide Temperature 10 V Solid-state Electrolyte with a Critical Current Density of over 20 mA cm-2 Open
The use of solid-state electrolytes in all-solid-state batteries is a prospective technology for increasing energy densities. However, poor oxidative stability and issues with the dendrite significantly hamper their applicability. LiBH
View article: Layer-by-layer disentanglement of Bloch states
Layer-by-layer disentanglement of Bloch states Open
View article: Strategy optimization of emergency frequency control based on new load with time delay characteristics
Strategy optimization of emergency frequency control based on new load with time delay characteristics Open
With the development of modern communication technology and the large number of new controllable loads connected to the power grid, the new controllable loads with flexible regulation characteristics can participate in the emergency freque…
View article: Layer-by-layer disentanglement of Bloch states via frequency-domain photoemission
Layer-by-layer disentanglement of Bloch states via frequency-domain photoemission Open
Layer-by-layer material engineering has enabled exotic quantum phenomena such as interfacial superconductivity and the quantum anomalous Hall effect. Meanwhile, deciphering electronic states layer-by-layer remains a fundamental scientific …
View article: Multi-Strategies Interface and Structure Design of Li- and Mn-Rich Layered Oxide for All-Solid-State Lithium Batteries
Multi-Strategies Interface and Structure Design of Li- and Mn-Rich Layered Oxide for All-Solid-State Lithium Batteries Open
View article: Delicate Ferromagnetism in MnBi<sub>6</sub>Te<sub>10</sub>
Delicate Ferromagnetism in MnBi<sub>6</sub>Te<sub>10</sub> Open
Tailoring magnetic orders in topological insulators is critical to the realization of topological quantum phenomena. An outstanding challenge is to find a material where atomic defects lead to tunable magnetic orders while maintaining a no…
View article: Giant Third-Harmonic Optical Generation from Topological Insulator Heterostructures
Giant Third-Harmonic Optical Generation from Topological Insulator Heterostructures Open
The downscaling of nonlinear optical devices is significantly hindered by the inherently weak nonlinearity in regular materials. Here, we report a giant third-harmonic generation discovered in epitaxial thin films of V-VI chalcogenide topo…
View article: Delicate Ferromagnetism in MnBi$_6$Te$_{10}$
Delicate Ferromagnetism in MnBi$_6$Te$_{10}$ Open
Tailoring magnetic orders in topological insulators is critical to the realization of topological quantum phenomena. An outstanding challenge is to find a material where atomic defects lead to tunable magnetic orders while maintaining a no…
View article: Origins of electronic bands in the antiferromagnetic topological insulator <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>MnBi</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>Te</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>
Origins of electronic bands in the antiferromagnetic topological insulator Open
Despite the rapid progress in understanding the first intrinsic magnetic topological insulator MnBi2Te4, its electronic structure remains a topic under debates. In this work, we perform a thorough spectroscopic invest…
View article: Electrical detection of current generated spin in topological insulator surface states: Role of interface resistance
Electrical detection of current generated spin in topological insulator surface states: Role of interface resistance Open
Current generated spin polarization in topological insulator (TI) surface states due to spin-momentum locking has been detected recently using ferromagnet/tunnel barrier contacts, where the projection of the TI spin onto the magnetization …
View article: Evidence for <i>d</i>-Wave Superconductivity in Single Layer FeSe/SrTiO<sub>3</sub> Probed by Quasiparticle Scattering Off Step Edges
Evidence for <i>d</i>-Wave Superconductivity in Single Layer FeSe/SrTiO<sub>3</sub> Probed by Quasiparticle Scattering Off Step Edges Open
The de Gennes extrapolation length is a direction dependent measure of the spatial evolution of the pairing gap near the boundary of a superconductor and thus provides a viable means to probe its symmetry. It is expected to be infinite and…
View article: Modeling electrical detection of current generated spin in topological insulator surface states
Modeling electrical detection of current generated spin in topological insulator surface states Open
Current generated spin polarization in topological insulator (TI) surface states due to spin-momentum locking has been detected recently using ferromagnet/tunnel barrier contacts, where the projection of the TI spin onto the magnetization …
View article: Light induced non-volatile switching of superconductivity in single layer FeSe on SrTiO3 substrate
Light induced non-volatile switching of superconductivity in single layer FeSe on SrTiO3 substrate Open
View article: Electrical detection of current generated spin in topological insulator\n surface states: Role of interface resistance
Electrical detection of current generated spin in topological insulator\n surface states: Role of interface resistance Open
Current generated spin polarization in topological insulator (TI) surface\nstates due to spin-momentum locking has been detected recently using\nferromagnet/tunnel barrier contacts, where the projection of the TI spin onto\nthe magnetizati…
View article: Electrical detection of current generated spin in topological insulator surface states: Role of interface resistance
Electrical detection of current generated spin in topological insulator surface states: Role of interface resistance Open
Current generated spin polarization in topological insulator (TI) surface states due to spin-momentum locking has been detected recently using ferromagnet/tunnel barrier contacts, where the projection of the TI spin onto the magnetization …
View article: Electrical Detection of Charge-to-spin and Spin-to-Charge Conversion in a Topological Insulator Bi2Te3 Using BN/Al2O3 Hybrid Tunnel Barrier
Electrical Detection of Charge-to-spin and Spin-to-Charge Conversion in a Topological Insulator Bi2Te3 Using BN/Al2O3 Hybrid Tunnel Barrier Open
One of the most striking properties of three-dimensional topological insulators (TIs) is spin-momentum locking, where the spin is locked at right angles to momentum and hence an unpolarized charge current creates a net spin polarization. A…