Applied Physics Letters
Articles in this Issue
Remote epitaxial growth of single-crystal cesium tin bromide perovskite on germanium substrates
We demonstrate the remote epitaxial growth of single-crystal cesium tin bromide (CsSnBr3) perovskite thin films on germanium substrates through a graphene-mediated van der Waals interface. The crystal...
Toward dopant-free transparent electronics: Cu3SiS4 as a stable intrinsic <i>p</i> -type conductor
Traditional transparent conductive materials rely on extrinsic doping of wide bandgap semiconductors, a route that faces thermodynamic limits for p-type systems. Here, an inverse strategy is adopted:...
Investigation of temperature-dependent oxide capacitance in paraelectric monoclinic doped HfO2/SiO2 gate stacks implemented on 4H-SiC
Doped, monoclinic HfO2 exhibits the paraelectric property of decreasing dielectric constant with increasing temperature. If utilized as the gate oxide of a metal–oxide–semiconductor field-effect trans...
Robotic chip-scale nanofabrication for superior consistency
Unlike the rigid, high-volume automation found in industry, academic research requires process flexibility that has historically relied on variable manual operations. This hinders the fabrication of a...
High-mobility holes at germanane/Ge(111) epitaxial 2D/3D allotropic heterointerface
Germanane (GeH) is essentially a hydrogen-terminated Ge analog of graphene with a direct gap (≈1.6 eV). Record hole mobility μh≈ 67 000 cm2 V−1 s−1 is found at 15 K for a single allotropic heterointer...
Observation of stable bimeron transport driven by spoof surface acoustic waves on chiral metastructures
Topological quasiparticles, such as merons and bimerons, are characterized by non-trivial textures that exhibit remarkably robust transport against deformation, offering significant potential for info...
Evidence for stabilization of ferroelectricity in WO3 thin films under anisotropic epitaxial strain
Interest in ferroelectric materials for processing, memory, and sensing devices has been re-energized in recent years by the discovery of nanoscale ferroelectricity in insulating binary oxides based o...
Single-shot multi-plane coherent diffraction imaging with an anisotropic photon-sieve splitter
Coherent diffraction imaging (CDI) is a promising high-precision imaging technique with broad applications in fields such as biology and materials science. However, CDI typically requires multiple dif...
Single-shot measurement of enantiomeric impurity using cylindrical vector vortex beams
Complex vector beams, categorized by their inhomogeneous spatial distribution of polarization, have captivated remarkable research interest due to their numerous applications. In this study, a single-...
Role of magnon–magnon interaction in optical excitation of coherent two-magnon modes
Two-magnon modes are terahertz-frequency magnetic excitations in antiferromagnets, governed by exchange interactions, involving magnons from the entire Brillouin zone and dominated by zone-edge magnon...
Effect of gamma radiation on low kinetic inductance superconducting microwave resonators
Understanding the impact of ionizing radiation on superconducting microwave resonators is essential for improving the coherence of superconducting quantum processors. In this work, we examine the resp...
Intrinsic nanoscale ordering and strain–defect coupling in ferroelectric Al1 <b>−</b> xScxN
Al1−xScxN (AlScN) has emerged as a promising ferroelectric material for next-generation memory and logic devices; yet its performance remains limited by poor understanding of nanoscale structural inst...
Sub-100-nm multistate spin–orbit torque magnetic tunnel junction enabled by local perpendicular anisotropy gradient
The rapid development of artificial intelligence, particularly in brain-inspired computing and edge inference, demands memory technologies with high information density, energy efficiency, and scalabi...
Diffusion-powered plug-and-play reconstruction for full-color ghost imaging through dynamic scattering media
Color imaging through dynamic scattering media is challenging. Although ghost imaging (GI) has been studied, the distorted single-pixel measurements hinder high-fidelity reconstruction. Here, we repor...
Salinity gradient energy scavenging via insoluble organic molecule electrodes
Herein, an inherently insoluble organic molecular material bis-2,3-diamino-1,4-naphthoquinone (BDANQ) is designed and synthesized. The BDANQ electrode exhibits satisfactory electrochemical performance...
Power scaling and wavelength tuning of 3.5 μm Er-doped fluoride fiber laser in a broadband-feedback cavity
Mid-infrared lasers operating in the 3–5 μm region are of interest for spectroscopy and atmosphere sensing applications. Although the 4F9/2→4I9/2 transition in Er-doped fluoride fiber enables efficien...
High thermal conductivity diamond/SiC fibers/EP insulant composites with low permittivity prepared at different temperatures
Electronics require advanced encapsulating materials with high heat dissipation efficiency, low dielectric properties, and high insulating properties. Although epoxy (EP) composites have excellent ins...
Comparative study of aging-induced optical and electrical degradation and dynamic stability in GaN-on-sapphire and GaN-on-GaN micro-LEDs
The aging behavior of GaN-based micro-light-emitting diodes (micro-LEDs) is strongly influenced by substrate material and device structures, yet systematic comparisons remain limited. In this work, we...
Ultra-small-angle nonreciprocal thermal radiation via bound states in the continuum-driven topological phase singularity pairs without magneto-optical dielectrics
With recent advances in solar technology, small-angle nonreciprocal thermal radiation (NTR) devices have attracted extensive research interest. However, conventional NTR devices typically rely on spec...
Emergence of bulk-like ferromagnetism in ultrathin freestanding manganite membranes via sacrifice-layer engineering
The development of freestanding complex oxide membranes, particularly of strongly correlated manganites, opens new avenues for hetero-integration and quantum material design. However, a fundamental ch...
Analog-to-digital converter based on voltage-controlled superconducting devices
The increasing demand for cryogenic electronics in superconducting and quantum computing systems calls for ultra-energy-efficient data conversion architectures that remain functional at deep cryogenic...
Bandwidth enhancement in hexagonal M-plane InGaN/GaN MQW micro-photodetectors via TMAH sidewall treatment
We report on the bandwidth enhancement of InGaN/GaN multiple quantum well (MQW) micro-photodetectors (micro-PDs) via tetramethylammonium hydroxide (TMAH) sidewall treatment. M-plane hexagonal micro-PD...
Ferroelectric-driven multifunctional heterojunction: Tunable phase transition, direct Z-scheme photocatalysis, and high-efficiency solar cells in SiI/ <b>α</b> -In2Se3
Ferroelectric two-dimensional materials provide a unique platform for designing multifunctional electronic and optoelectronic devices because of their switchable polarization and tunable electronic pr...
Incident-angle-independent tuning of graphene-enhanced Fano resonances using loss modulation
Tunable Fano resonances enable strong and spectrally selective mid-infrared (MIR) absorption, offering opportunities for advanced detection and sensing. However, their pronounced dependence on the inc...
Bessel beam illuminated digital holographic microscopy for anti-scattering quantitative phase imaging
Quantitative phase imaging (QPI) is a powerful noninvasive and label-free technique widely used in biomedical measurement, including cellular analysis and disease diagnosis. Among various QPI techniqu...