Applied Physics Letters
Articles in this Issue
Mechanically tunable Schottky diodes based on silicon microstructure arrays via flexoelectricity
Silicon is the most widely used semiconductor material, yet its centrosymmetric crystal structure makes seamless interaction between mechanical stimuli and electronic functionality challenging. Flexoe...
Acoustic ghost diffraction
An attempt is made to implement acoustic ghost diffraction in the space-momentum domain using ultrasound. The Hanbury Brown—Twiss effect helps ghost diffraction—interference fringes hidden in a large...
Relaxation-free athermal states in VO2 for thermal-breach memory
Thermally induced martensitic phase transitions are broadly divided into two classes—isothermal and athermal. While the isothermal transformations correspond to the diffusive nucleation-and-growth phe...
External contacts formation for thin-film III–V solar cells exploiting inkjet printing
The development of advanced thin-film III–V solar cells requires deploying electrical contacting technology to avoid performance degradation associated with the use of standard techniques. Given the t...
Remarkably suppressed lattice thermal conductivity of InAs nanowires by surface electron–phonon coupling
The electron accumulation layer at the semiconductor nanowire surface can lead to intriguing transport phenomena and novel electronic applications. While much progress has been made in uncovering the...
Optoelectronic memristive sensor with reconfigurable logic operation capability in ZnO/Nb:SrTiO3 heterojunction
The optoelectronic memristive sensor exhibits unique advantages due to its nonvolatile memory, low power consumption, and dynamic response to light signals. In this work, an interfacial type memristiv...
Tailored silver nanoparticle arrays for enhanced polarization-anisotropic second-harmonic emission
Nonlinear optical phenomena with polarization-dependent characteristics are pivotal for the advancement of integrated photonic devices. We present the remarkable second-harmonic generation (SHG) with...
Electromechanical switching in DNA–CNT supramolecular structures
The characteristics of the interface between DNA and metallic carbon nanotube (CNT) in supramolecular assemblies are important to understand for electronic and sensing applications. We study the mecha...
Cold sintered semiconducting composites through integrating 2D MXene into the grain boundaries of Na2Mo2O7 dielectric ceramic
With the rapid development of electronic industry, there is an increasing demand for electro-ceramics with enhanced performances. Two-dimensional materials typically exhibit unique physicochemical pro...
Pt quantum dots embedded at the base of vertically aligned ZnO nanowire arrays for enhanced carrier separation and light trapping
Semiconductor photocatalysis holds great promise for energy conversion and environmental remediation, but its efficiency is often limited by the rapid recombination of photogenerated carriers. To over...
Measurement of near-field thermal radiation of silica grating
This study explores the radiative heat transfer (RHT) between a silica microsphere and a grating, focusing on the nanoscale heat transfer enhancement enabled by engineered nanostructures. The near-fie...
DC and power-frequency electric field measurement with Rydberg-atom interferometry
We propose a Rydberg-atom interferometry-based technique for direct current (DC) electric field measurement, enabling the detection of weak fields (<0.5V/cm) and unambiguous discrimination of D...
Sub-diffraction limit imaging at visible-frequency using a hemispherical microsphere-thin slab composite spherical lens
Optical imaging techniques based on spherical lenses have demonstrated significant potential in nanomaterial surface characterization and biomedical diagnostics, primarily attributed to their capabili...
Sc-rich monocrystalline ScGaN grown by MBE exhibits attractive ferroelectric properties
The rapid and continuous evolution of Sc-based ferroelectric nitrides in recent years has necessitated the exploration of monocrystalline thin films with ever-increasing Sc composition to yield greatl...
Beryllium-incorporated ScAlN/GaN HEMTs with low off-current and high current stress stability
We present GaN high-electron-mobility transistors (HEMTs) with Be-incorporated Sc0.15Al0.85N barrier layers, nearly lattice-matched to GaN and grown by molecular beam epitaxy. Compared to previous ScA...
Investigation of sub-configurations reveals stable spin–orbit torque switching polarity in polycrystalline Mn3Sn
Previous studies have demonstrated the switching of the octupole moment in Mn3Sn driven by spin–orbit torque (SOT). However, they did not account for the polycrystalline nature of the sample when expl...
Unveiling charge-trapping storage capacity in MoS2/BiFeO3 heterostructure
Charge-trapping memory emerges as one of the prime candidates for nonvolatile memory architectures, yet the empirical selection of charge storage media demands further investigation. Leveraging the in...
Theoretical investigation on the phase diagram and electronic and optical properties of two-dimensional strained Si6H6 monolayer
Two-dimensional materials exhibit unique properties due to enhanced many-body effects and quantum confinement. In this study, we investigate the dynamic stability, possible synthesis routes, and elect...
Quantifying nonlinear electric–acoustic mixing in lead zirconium titanate with a vector network analyzer
Designing devices such as acoustic transducers, filters, and duplexers requires accurate electrical permittivity, piezoelectric coefficients, and acoustic sound speed of the material. While there are...
A passivation study for AlInAsSb avalanche photodiodes
Avalanche photodiodes (APDs) are vital for a wide range of commercial, military, and research applications. Recently, the AlxIn1–xAsySb1–y digital alloy system has emerged as a promising material for...
Grain orientation dependent superelasticity in ferroelectrics for enhanced electromechanical properties
The practical application of ferroelectric ceramics is limited by their inherent electromechanical property constraints. Superelasticity, characterized by considerable recoverable strain and piezoelec...
Thermal-noise limits to the frequency stability of burned spectral holes
Techniques in frequency stabilization of lasers to fixed-spacer optical cavities have advanced to the point where the ultimate frequency stabilities are limited by thermal noise for standard cavity co...
Single monolayer ferromagnetic perovskite SrRuO3 with high conductivity and strong ferromagnetism
Achieving robust ferromagnetism and high conductivity in atomically thin oxide materials is critical for advancing spintronic technologies. Here, we report the growth of a highly conductive and ferrom...
Significant anisotropy in photoelectronic response of SnSe nanosheets
SnSe, a type of class IV-metal monochalcogenide, exhibits good electrical and optoelectronic properties in the near-infrared band. Due to the low symmetry of the lattice structure, two-dimensional SnS...
Effect of pulsed bias power on electron density modulation in inductively coupled plasma
In this study, we investigate the temporal behavior of electron density in an inductively coupled plasma (ICP) subjected to pulsed radio frequency (RF) bias using a Fourier cutoff probe measurement. T...