Applied Physics Letters
Articles in this Issue
Large strain contribution to the laser-driven magnetization response of magnetostrictive TbFe2
We investigate strain-induced contributions to the transient polar magneto-optical Kerr effect response in laser-excited Terfenol. The time-resolved magneto-optical Kerr effect (tr-MOKE) signals obtai...
Electric field driven polarization extension phenomenon in multiferroic oxide
A novel multiferroic solid solution of (1−x)PbTiO3-(x)TbFeO3, within the range of 0.0 ≤ x ≤ 0.25, has been investigated. A composition-induced phase boundary from the tetragonal to the cubic phase is...
Fully spin-polarized current and pure spin current induced by photogalvanic effect in the 2D half-metal YSi2N4
Compared with traditional electronic devices, spintronic devices offer the benefits of lower power consumption, faster transmission speeds, and higher integration densities. Therefore, seeking a direc...
Critical behavior of van der Waals topological ferromagnet CrVI6
CrVI6 is a recently proposed van der Waals topological magnetic material derived from its parent compounds, CrI3 and VI3, via elemental substitution. However, beyond initial proposals of its topologic...
Plant wearables: Bridging technology and sustainability in precision agriculture
Plant wearable devices have the potential to transform horticultural practices by enabling continuous, noninvasive monitoring of plant health and environmental conditions in real-time and at a localiz...
Interfacial stress-insensitive tetragonal (Ba,Ca)TiO3-doped BiFeO3 films with superior ferroelectricity and piezoelectricity
Highly desired tetragonal BiFeO3 (BF) films with relatively large polarization are usually realized under large compressive epitaxial strain. Herein, we observed that 0.67BiFeO3–0.33(Ba0.85Ca0.15)TiO3...
Linear scaling coefficient between exciton binding energy and quasiparticle bandgap in two-dimensional tetragonal crystals
Exciton binding energy (Eb) and lifetime of the two-dimensional (2D) materials have attracted giant attention due to their abundant multi-body physical properties. There is a robust linear scaling law...
Acoustic phonon characteristics of (001) and (2¯01) β-Ga2O3 single crystals investigated with Brillouin–Mandelstam light scattering spectroscopy
We report an investigation of the bulk acoustic phonons of (001) and (2¯01) β-Ga2O3 ultra-wide bandgap single crystals using Brillouin–Mandelstam spectroscopy. Pronounced anisotropy in the acoustic ph...
Low leakage fully-vertical GaN-on-Si power MOSFETs
We demonstrate fully-vertical GaN-on-Si power MOSFETs with state-of-the-art OFF-state characteristics, based on a 7.6 μm thick NPN epitaxial structure grown on 6-inch low-resistance Si substrates with...
Crystal domain orientation control of epitaxial BaTiO3 films integrated on silicon for large electro-optic response
BaTiO3 (BTO) is a ferroelectric material that has a large Pockels coefficient. Recently, there has been increasing interest in epitaxial BTO films integrated on silicon as a promising material platfor...
Low-voltage driven I–V hysteresis loop in Ag/SrTiO3/Si heterostructure
Hysteresis loop is a vital feature in the study of electronic devices, like ferroelectric hysteresis loop in ferroelectric devices, magnetic hysteresis loop in spin-electronic devices, and current–vol...
Erratum: “Strong electro-optic effect in Mg incorporated ZnO thin films” [Appl. Phys. Lett. <b>121</b> , 152903 (2022)]
Enhanced anti-Ohmic effect in NiFe/KTaO3 Schottky junction
The anti-Ohmic effect in a Schottky junction is an interesting phenomenon in the process of non-equilibrium carriers' diffusion. When this phenomenon occurs, the voltage decreases with the increase in...
Gate tunable spin–charge interconversion in a graphene/ReS2 heterostructure up to room temperature
Graphene is a material with great potential in the field of spintronics, combining good conductivity with low spin–orbit coupling (SOC), which allows for the transport of spin currents over long dista...
Resistance hysteresis in paramagnetic tungsten nitride (W5N6)
Two-dimensional (2D) transition metal nitrides (TMNs), which are members of the family of 2D materials, may find practical applications in electronics and optoelectronics because of their superior phy...
Pre-loaded H2O2 breaks the low-pH dependency of plasma-activated water for bacteria inactivation via catalase suppression and oxidative attack
Plasma-activated water (PAW) shows promise as an alternative antimicrobial agent for disinfection and infection control due to its broad-spectrum bactericidal activity and high biosafety. However, the...
Phonon transport across Si/Ge interfaces with amorphous interlayers: Elastic–inelastic phonon competition
Interfacial thermal resistance due to vibrational mismatch remains a key challenge in thermal management. While crystalline interlayers are known to enhance thermal conductance, the potential of amorp...
Direct laser transfer and thermocompression bonding process of blue GaN micro-LED arrays
Large-scale production of micro-LED displays encounters significant technical challenges, particularly in the mass transfer process of micro-LEDs. This study innovatively explores the direct laser tra...
The suppression effect of Mg doping on oxygen redox in Mn-based layered oxide cathodes for sodium-ion batteries
Layered transition metal oxides, owing to the presence of anion redox reactions (ARRs), are promising candidates for high-energy-density cathodes. However, ARR often leads to irreversible lattice degr...
Negative differential friction predicted in a 2D GaInS3 homojunction with multiple sliding pathways
Derived by exploring the essence of friction from a microscopic perspective, the theory of negative differential friction involves an abnormal negative friction coefficient μ, which provides a way to...
Ultrafast defect passivation enables stable BiFeO3 photocathodes for solar-fuel conversion
Developing highly efficient and stable photoelectrodes is crucial for photoelectrochemical (PEC) solar-fuel conversion systems. Bismuth ferrite (BiFeO3, BFO) is a promising photocathode material but s...
Measurement of absolute biexciton quantum yields in single quantum dots: Breaking the limitation of weak excitation conditions
Biexcitons play an important role in colloidal quantum dot (QD) applications. However, quantitative measurements of absolute biexciton quantum yields (QYs) have long been limited to extremely weak exc...
Nanoscale plasmonic mode conversion mediated by localized surface plasmon in metal-dielectric-metal waveguide link
During the past few decades, the study on plasmonics has dramatically increased and become broaden to give us a potential tool for nanophotonic engineering by its intrinsic nanoscale light localizatio...
Single-hole electric dipole spin resonance at subharmonic frequencies
The spin of a single hole confined in a planar gated double quantum dot system is manipulated at subharmonic frequencies of the electric dipole spin resonance. This is achieved by taking advantage of...
Pressure-modulated triplet-state switching in zero-dimensional Sb-based hybrid perovskites
Zero-dimensional (0D) hybrid metal halide perovskites have emerged as promising candidates for optoelectronic applications, owing to their strong exciton confinement and high structural tunability. Ho...