Applied Physics Letters
Articles in this Issue
Fabrication of robust suspended structures using tilted e-beam lithography
We report a technique for fabricating suspended structures using tilted electron beam lithography. This technique enables the formation of beveled anchor profiles, which significantly increase structu...
Tetrachromatic optoelectronic transistor with multi-dimensional information processing functionality for in-sensor motion perception
Bio-inspired visuomorphic vision integrates multi-dimensional information (spectrum, spatial, temporal, and so on), providing an effective computational paradigm for sensing a visual scene in the phys...
Valley manipulation in 2D multiferroic TiInSe3: Doping-induced valley polarization and stacking-engineered effects
The ability to control spin and valley degrees of freedom in two-dimensional materials offers promising prospects for next-generation electronic and spintronic devices. However, achieving tunable vall...
Dirac edge states as signature of two-dimensional altermagnetic topological crystalline phase
Two-dimensional (2D) metallic altermagnets present exciting opportunities for both fundamental research and practical innovations. Their ability to enhance tunneling magnetoresistance in magnetic tunn...
Measurement of multiple mechanical properties from multi-dimensional signals in nanosecond laser ablation via PINN
Accurate evaluation of mechanical properties in steels under ageing or service conditions remains a major challenge. We propose a thermo-mechanical coupling framework for nanosecond laser ablation bas...
Printed organic electronic sensors for glucose detection in human saliva
Diabetes mellitus is a chronic condition which is approaching epidemic levels globally. Sufferers of diabetes require regular monitoring of their blood glucose levels for successful treatment and the...
Realization and regulation of negative magnetoresistance behavior in Dy-doped SnS2 with high Curie temperature
The magnetic two-dimensional transition metal dichalcogenides with high Curie temperature play a pivotal role in spintronic devices and exhibit promising application potentials. In this paper, rare ea...
Accurate multiplexed detection with magnetic particle spectroscopy
Accurate multiplexed detection of magnetic nanoparticles (MNPs) is essential for bioassays that require simultaneous quantification of multiple biomolecules. This study proposes a dual-frequency magne...
Defect passivation by short-chain ligands in all-solution-processed inverted ZnSeTe green QLEDs
High-efficiency green emission is essential for next-generation quantum dot light-emitting diodes (QLEDs); however, fully solution-processed inverted green QLEDs, particularly cadmium-free devices, ar...
Covalent bond chemistry enabling M2CN2 MXenes as anode materials for halide-ion batteries
The development of halide-ion batteries is limited by the lack of efficient electrode materials. Two-dimensional M2CN2 MXenes are promising anode candidates due to their structural flexibility and low...
Rapid heat-assisted polarization reversal in a ferroelectric thin film
We demonstrate that switching of ferroelectric thin films sandwiched between metallic electrodes can be controlled by laser-assisted heating, reminiscent of heat-assisted magnetic recording. We employ...
Avalanche durability of high-voltage GaN <i>p</i> – <i>n</i> diodes with tunnel junctions as anode contacts
Tunnel junctions were applied to anode contacts in high-voltage GaN p–n diodes with sloped mesa terminations. The devices were composed of bottom p–n junctions with low doping concentrations to ensure...
Highly sensitive flexible pressure sensor based on gradient microcolumn structure for ocean wave monitoring
Monitoring the dynamic fluctuations of ocean waves using highly sensitive flexible pressure sensors is a highly promising marine observation technology. In this study, we propose a flexible pressure s...
Experimental determination of equilibrium stress in stress-induced martensitic transformation at low temperatures in Ni-rich TiNi
The exceptional broadening of superelastic stress hysteresis at low temperatures in Ni-rich Ti–Ni shape-memory alloys impedes their cryogenic applications. This broadening arises from thermally activa...
On the origin of carrier loss in Mg-doped N-polar GaN
The neutral (VN-3MgGa)0 complex was found to be the primary compensator in Mg-doped N-polar GaN. The experimental data showed a sharp drop in hole concentration once [Mg] exceeded ∼1019 cm−3. Temperat...
Engineering ferroelectric interfaces: Delta-doping and millisecond flash lamp annealing for enhancing polarization properties in TiN/Al:HfO2/TiN capacitors
We identify two key strategies for enhancing polarization properties: the engineering of delta-doped interfacial layers and the application of millisecond-scale flashlamp annealing (FLA), using TiN/Al...
Ultrafast laser-induced anharmonic lattice dynamics and nonlinear optical modulation in croconic acid
Ultrafast laser excitation offers a powerful means to modulate material properties on femtosecond timescales. Here, we investigate croconic acid, a hydrogen-bonded organic ferroelectric, using real-ti...
Tunable magnetism and anomalous Hall effect in magnetic Weyl semimetal Co3Sn2S2
As a magnetic Weyl semimetal with broken time-reversal symmetry, kagome-lattice Co3Sn2S2 exhibits various exotic transport phenomena due to its nontrivial band structure. Here, we selected Fe and Ni a...
Optimal detuning in optically pumped 10 <b> <i>λ</i> </b> ultraviolet vertical-cavity surface-emitting lasers for temperature stability and low threshold
In vertical-cavity surface-emitting lasers (VCSELs), the lasing wavelength is defined by the longitudinal cavity mode. The spectral misalignment between the resonance wavelength and the gain peak, kno...
THz intraband absorption in HgTe nanocrystals in the linear and nonlinear regimes
With their tunable intraband absorption in the THz range and carrier dynamics on the order of tens of picoseconds, large HgTe nanocrystals (NCs) hold strong potential for THz optoelectronic devices, i...
A sensor for helium leakage detection and orientation based on a two-dimensional acoustic topological material
Helium, a scarce gas, is widely used in various fields, like aerospace, semiconductor manufacturing, biomedicine, etc. However, the detection of helium leakage remains challenging because helium is an...
Transition metal oxide-based heterostructure memristors for nonvolatile ternary resistive switching realization
Memristors are promising candidates for next-generation data storage due to their exceptional resistive switching (RS) capabilities, characterized by ultra-fast response times, low power consumption,...
Synergism of CoFe2O4 additives and P(VDF-TrFE) barriers in crystallization, polar phase, and electrocaloric effects of multilayer composite thin films
In the last decade, refrigeration technology based on electrocaloric effect (ECE) has become a research hotspot in the ferroelectric field, profiting from being environmentally friendly and highly eff...
LC dual-parameter coplanar coil decoupling method based on reverse adjacent coil structure design
In LC multi-parameter sensors, coil mutual inductance induces crosstalk, causing resonant shifts and signal interference. This study proposes a reverse adjacent coil structure that generates opposing...
(S <b>+</b> C)-band optical amplification enabled by hybrid lanthanide-doped nanocomposites
Polymer waveguide devices have garnered significant attention in broadband communications due to their low propagation losses and ease of on-chip integration. Lanthanide-doped nanocrystals, recognized...