Applied Physics Letters
Articles in this Issue
GaN-based ultraviolet vertical-cavity surface-emitting lasers operating under room-temperature continuous-wave current injection
GaN-based vertical-cavity surface-emitting lasers (VCSELs) have garnered considerable interest in recent decades, particularly in the blue-to-green spectral range. However, hindered by issues such as...
Two-regime degradation associated with carrier compensation and structural instability in NiO/ <i>β</i> -Ga2O3 heterojunction diodes under 1864 MeV Ta-ion irradiation
We report a two-regime degradation behavior in NiO/β-Ga2O3 heterojunction diodes subjected to 1864 MeV Ta swift heavy ions (linear energy transfer in Si ≈ 75 MeV cm2/mg) over a fluence range from 1 × ...
Domain polarization in core–shell composites: Simultaneous high permittivity and low loss via filler cluster electron migration
Dielectric polymer composites with high permittivity (ε) and low dissipation factor (tan δ) are critical for advanced energy storage and capacitive applications, yet achieving both properties simultan...
Publisher's Note: “Recoverable ultrathin Hf0.5Zr0.5O2-based ferroelectric tunnel junction” [Appl. Phys. Lett. <b>128</b> , 202901 (2026)]
A framework based on metasurfaces for dynamic angular momentum holographic encryption
Angular momentum (AM) holography encodes information onto a single metasurface, encompassing both the spin and orbital AM dimensions of light, providing a high-dimensional space for optical encryption...
Interlayer Dzyaloshinskii–Moriya interaction tuned magnetic ground states in rectangular spin-lattice heterojunctions
Magnetic heterostructures, owing to their intricate spin interactions, provide a versatile platform for exploring emergent spin configurations and tunable magnetic phenomena. In this work, we investig...
High-pressure synthesis and multi-element doping engineering promote thermoelectric performance of anisotropic WSe2 bulk material
Transition metal dichalcogenides possess thermoelectric conversion potential based on their nontoxic, low-cost, earth-abundant compositions and high Seebeck coefficient. The challenges are the intrins...
Interfacial coupling enabled strong, asymmetric, and tunable thermoelectricity at graphene/MoS2 heterostructures
A comprehensive understanding of interfacial physics including electron/phonon transport and coupling at graphene/MoS2 heterojunctions is critical for thermoelectric conversion and sensing, yet remain...
Paper-based mixed-cation perovskite for optical terahertz modulation
The synthesis and optimization of FAxMA1−xPbBr3 mixed-cation perovskites, including the pure MAPbBr3 and FAPbBr3 phases, are reported. A stable performance enhancement was demonstrated by the polycrys...
Metasurface-based grafted perfect vector vortex beams for high-capacity multi-channel encryption in B5G communications
We propose a metasurface platform for the generation of grafted perfect vector vortex beams (GPVVBs) and a multi-channel optical encryption scheme. The metallic metasurface generates GPVVBs with contr...
Self-powered wavelength-selective bipolar dual-mode optoelectronic device based on a SnO2/CsBi3I10–IR820 heterojunction
Achieving self-powered dual-mode optoelectronic devices that integrate fast photodetection with optoelectronic synaptic functionality remains challenging because signal sensing and memory rely on diff...
<i>In situ</i> nitrogen doping enables highly stable InSnZnON thin-film transistors
This study proposes a coupling strategy combining co-sputtering and in situ nitrogen doping, which is used to fabricate nitrogen-doped indium-tin-zinc-oxide (ITZON) thin-film transistors (TFTs) that p...
Co-engineered gate stack for 700 °C thermal budget IGZO transistors with superior bias stability
We demonstrate amorphous indium gallium zinc oxide transistors that maintain exceptional bias stress stability even after being subjected to a 700 °C thermal budget, overcoming a critical challenge fo...
Distinct absolute bandgap deformation potentials of direct and indirect gaps in bilayer WSe2
Bilayer (BL) transition metal dichalcogenides exhibit rich optoelectronic phenomena, including strong strain-induced bandgap tunability and creation of strain-induced spectrally isolated quantum-light...
Coherent phase sampling protocol for fast single-shot Rydberg electrometry in pulsed microwave sensing
Rydberg electrometry via steady-state spectral shifts is bandwidth-limited by microsecond-scale atomic relaxation. We propose a coherent phase sampling protocol that interrogates transient dynamics, o...
Linearly tunable bipolar photoresponse in parallel-architecture all-inorganic CsPbBr3/Si photodetectors for encrypted imaging
Bipolar photodetectors have attracted considerable attention in secure communication and encrypted imaging systems owing to their strong dual-band selectivity and intrinsic bipolar coding capabilities...
Cascaded resonance-enhanced photoconductive antenna (CREPA) for THz emission
With the increasing maturity and popularity of commercial terahertz time-domain spectroscopy (THz-TDS) systems, photoconductive antennas (PCAs) have emerged as the most widely used terahertz source, a...
A VIS-NIR multispectral endoscopic imaging system based on computational imaging and parallel acquisition
Multispectral endoscopic imaging enables simultaneous acquisition of spatial and spectral information for functional tissue assessment. Conventional multispectral endoscopes are often limited by bulky...
Non-equilibrium growth induced symmetry breaking and valley polarization restoration in radiation-warning-symbol patterned bilayer MoS2
Atomically layered transition metal dichalcogenides (TMDCs) exhibit exceptional physical properties dictated by their thickness and stacking-order-dependent symmetry. However, the controllable synthes...