Results 161 to 170 of about 18,734 (309)

High‐Performance Micro‐LED Displays via Etching‐Damage‐Free Pixelation Strategy for Multifunctional Integrated Applications

open access: yesAdvanced Science, EarlyView.
A novel etching‐damage‐free pixelation approach based on F ion implantation has been developed for the fabrication of micro/nano‐LED arrays with a pixel density reaching 25,400 ppi. This method offers the advantages of high resolution, high efficiency, and high brightness, making it highly suitable for applications in near‐eye displays, optical ...
Jinyu Ye   +10 more
wiley   +1 more source

The Aharonov-Bohm effect in the fractional quantum Hall regime [PDF]

open access: green, 1996
J.D.F. Franklin   +7 more
openalex   +1 more source

Searching for Topological Semi‐Complete Bandgap in Elastic Truss Lattices

open access: yesAdvanced Science, EarlyView.
Ideal gapless nodes within clear bandgaps remain elusive in elastic systems, where degeneracies always hide in trivial bulk bands due to intricate modes. The work proposes a topological semi‐complete bandgap (exhibits a complete bandgap except for the inevitable topological degenerate points) in a 3D elastic truss lattice by tuning a supporting rod ...
Yiran Hao   +9 more
wiley   +1 more source

Superconductivity in Hourglass Dirac Chain Metals (Ti, Hf)IrGe

open access: yesAdvanced Science, EarlyView.
We report the discovery of ternary germanide superconductors MIrGe (M = Ti, Hf) that host hourglass Dirac chains protected by nonsymmorphic symmetry. These compounds exhibit bulk type‐II superconductivity with fully gapped states and preserved time‐reversal symmetry, as confirmed by µSR measurements.
Pavan Kumar Meena   +7 more
wiley   +1 more source

Spectral Asymmetry Induces a Re-Entrant Quantum Hall Effect in a Topological Insulator. [PDF]

open access: yesAdv Sci (Weinh)
Wang LX   +7 more
europepmc   +1 more source

Mechanism of Anomalous Anisotropic Colossal Magnetoresistance in Quasi‐2D Mn3Si2Te6 Bulk Single Crystal

open access: yesAdvanced Science, EarlyView.
The external field exceeds Hd, the speed polarization abruptly reorients to align with the Mn magnetic moments, leading to an MR ≈ −100%. Abstract Mn3Si2Te6, quasi‐2D ferrimagnetic semiconductor, exhibits anomalous saturated colossal magnetoresistance (CMR) only when a magnetic field is applied along its magnetic hard magnetization axis, suggesting ...
Shiqi Li   +10 more
wiley   +1 more source

Exploration of Quasi‐Direct Band Edge in a Multilayer Ferroelectric Semiconductor for Applications in Van Der Waals Stacked Heterojunction Solar Cell and Photocatalytic Devices

open access: yesAdvanced Science, EarlyView.
Multilayered AgBiP2Se6 has been systematically characterized to be a quasi‐direct semiconductor using theoretical calculations and optical experiments. It possesses an indirect bandgap of 1.46 eV and a direct gap of 1.535 eV for simultaneously absorbing the NIR to visible‐light photons. In combination with a p‐type Ga0.5In0.5Se, a high efficiency p‐Ga0.
Anna Milatul Ummah   +4 more
wiley   +1 more source

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