Applied Physics Letters
Articles in this Issue
Mid-infrared superconducting nanowire single-photon detectors: Potential, progress, and challenges
The ability to detect single photons in the mid-infrared spectral range (beyond 2 μm wavelength, photon energy below 0.62 eV) is the key to unlocking a range of emerging scientific applications, from...
Breakdown voltage fluctuation and channel shift under high-repetition-frequency pulses in a gas gap
The repetitive breakdown voltage and breakdown channel of a 6 mm atmospheric air gap were investigated using repetitive pulses up to 100 kHz. The results show that below 10 kHz, the breakdown voltage...
Publisher's note: “Extrapolative prediction of polymer properties using physics-informed hierarchical descriptors” [Appl. Phys. Lett. <b>127</b> , 232704 (2025)]
Two-dimensional NbOI2/TaOI2 van der Waals heterostructures with promoted carrier lifetime and mobility
The lifetime and mobility of photogenerated carriers are crucial factors influencing the stability and sensitivity of optoelectronic devices. In this work, we constructed a van der Waals heterostructu...
Varistructure resistive switching memory devices through dynamical redox of oxides
Hafnium oxide-based resistive switching (RS) devices are promising candidates for next-generation nonvolatile memories because of their ability to integrate into silicon electronics. However, irrevers...
Understanding the structural transition of TiSe2 monolayer from coordination chemistry
Monolayer TiSe2 exhibits a low-temperature phase transition whose underlying mechanism has attracted increasing attention. Moreover, reproducing the experimentally observed band structure in the norma...
Interfacial modulation enhanced field sensitivity of the magnetization reversal process in the two-dimensional ferromagnet Fe3GeTe2
Enhancing the field sensitivity of the magnetization reversal process in two-dimensional ferromagnets is of great importance for ultrafast spintronic device applications. Here, we show that by changin...
Origin of ferroelectricity and anti-ferroelectricity via doping and oxygen vacancy effects in lanthanum-doped hafnium zirconium oxide thin films
Lanthanum-doped hafnium zirconium oxide (La:HZO) has demonstrated high potential to solve the endurance challenge of hafnia-based ferroelectric memory. To date, La:HZO has been experimentally reported...
Local thermodynamic DOS measurement and twist-angle mapping in graphene–hBN superlattices
Moiré patterns arising from twisted van der Waals stacks fundamentally reshape their electronic properties, enabling band structure engineering that has driven rapidly growing interest in this field....
Trap-induced degradation mechanisms in quasi-vertical GaN PiN diodes under the combined effects of high-energy heavy ion irradiation and off-state reverse bias
Wide-bandgap GaN power rectifiers hold promise for space electronic systems, particularly as freewheeling diodes in low-voltage secondary power supplies, yet their susceptibility to high-energy heavy...
Wireless Josephson parametric amplifier above 20 GHz
Operating superconducting qubits at elevated temperatures offers increased cooling power, thus system scalability, but requires suppression of thermal photons to preserve coherence and readout fidelit...
Simple approach for optical sectioning enhancement in epi-illumination line-scan confocal microscopy
We report the implementation of temporally modulated scanning illumination to enhance optical sectioning in epi-illumination line-scan confocal microscopy. By applying a sinusoidal intensity modulatio...
Behavior of quantum coherence in the ultrastrong and deep strong coupling regimes of a light–matter system
The ultrastrong and deep strong coupling regimes exhibit a variety of intriguing physical phenomena. In this work, we utilize the Hopfield model of a two-mode bosonic system, with each mode interactin...
Antiphase boundaries in Ni-Mn-Ga single crystal—experiment and model
Thermally induced antiphase boundaries (APBs) in ferromagnetic, ordered Ni-Mn-Ga single crystal exhibit complex, irregular shapes and closed loops without any lattice plane preferences. The APBs were...
Polarization-controlled multistate thermal conductivity in ferroelectric HfO2 thin films
While nanoscale electronic logic circuits are well established, the development of nanoscale thermal logic circuits has been slow, mainly due to the absence of efficient and controllable nonvolatile f...
Publisher's Note: “Portable resonant acoustic rheometry system enables rapid and integrated acoustic-mechanical characterization of soft biomaterials” [Appl. Phys. Lett. <b>127</b> , 232702 (2025)]
Investigation on the mechanism of stability variation with gate–drain bias in AlGaN/GaN-on-Si HEMTs
This paper investigates the mechanism behind the bias-dependency of stability factor (K factor) in GaN high electron mobility transistors (HEMTs). We characterized the K factor of a GaN-on-Si HEMT to...
Mitigating measurement crosstalk via pulse shaping
Quantum error correction protocols require rapid and repeated qubit measurements. While multiplexed readout in superconducting quantum systems improves efficiency, fast probe pulses introduce spectral...
Terahertz-driven nanotip field-emission electron gun and cascaded acceleration
This paper reports two versions of terahertz (THz)-driven nanotip field-emission electron guns: single-layer reflective guns (SLRGs) and double-layer reflective guns (DLRGs). SLRGs employ a reflective...
Quenching-induced polar state transformation and enhanced electromechanical response in BNT-Mn single crystals
Ultra-fast cooling at high temperatures provides a promising strategy for enhancing the thermal stability of (Bi1/2Na1/2)TiO3-based (BNT) relaxor ferroelectrics, yet its role in tuning the polar state...
Rigid-flexible free-standing multichannel carbon nanofiber-silicon composite anodes due to PS-induced channel ordering
Silicon (Si)-carbon composite has been regarded as one of the most promising anodes for next-generation lithium-ion batteries (LIBs). However, low mechanical strength of carbon matrix is incapable of...
Unusual glass-like thermal conductivity trend in solid-state sintered polycrystalline CaO-doped zirconia ceramics
The general trend of thermal conductivity for crystalline solids shows a monotonic decrease with increasing temperature, while glasses typically exhibit an increase in thermal conductivity due to domi...
Miniaturized atomic fountain clock
A miniaturized 87Rb fountain clock has been developed and tested. It preserves the possibility of launching the atoms to 30 cm above the Ramsey cavity, which is typical for high-performance fountain c...
Fiber-laser-induced cavitation: Transition from plasma formation to bubble nucleation
Despite extensive research on laser-induced cavitation bubble dynamics based on the given bubble nucleus assumption, the mechanism linking laser energy-induced optical breakdown to bubble nucleation d...
Elimination of wing tilt laterally overgrown GaN
Wing tilt and associated defects at the coalescence boundary in GaN were completely eliminated in a maskless homoepitaxial overgrowth process, whereas SiO2-masked homoepitaxial overgrowth showed the s...