Applied Physics Letters
Articles in this Issue
Nm-scale electrical resistance imaging on CdTe by scanning spreading resistance microscopy
Local resistance imaging can provide information on nm-scale carrier distribution in semiconductor devices. Scanning spreading resistance microscopy (SSRM), an atomic force microscopy-based nm-scale r...
Parametric instability of forward volume spin waves pumped by surface acoustic waves in yttrium iron garnet films
Parametric instabilities of forward volume spin waves pumped by a traveling surface acoustic wave (SAW) were investigated in an unpatterned yttrium iron garnet film under perpendicular magnetic bias....
Minimal influence of interfacial magnetic anisotropy on the anomalous Nernst effect
The anomalous Nernst effect (ANE) plays a crucial role in thermoelectric energy conversion. Recent studies have suggested that ANE can be enhanced by increasing magnetic anisotropy, based on investiga...
Compact backward effective spoof surface plasmon polaritons (BESSPPs) for high-performance millimeter-wave application
The control of electromagnetic waves has garnered significant attention across various scientific and engineering disciplines. While spoof surface plasmon polaritons (SSPPs) have enabled field confine...
Optimizing time-resolved magneto-optical Kerr effect for high-fidelity magnetic characterization
Spintronics has emerged as a key technology for fast and nonvolatile memory with great CMOS compatibility. As the building blocks for these cutting-edge devices, magnetic materials require precise cha...
Effect of fluorine doping on the performance of manganese-titanium NASICON cathodes for sodium-ion batteries
An Na-excess NASICOM type cathode material, Na3.6Mn1.3Ti0.7(PO3.6F0.4)3 (NMTP@F), was synthesized using a sol-gel method. Electrochemical evaluations revealed that the NMTP@F half-cell exhibits a high...
Recent progress in indoor photovoltaics based on all-inorganic perovskites
The rapid proliferation of Internet of Things (IoT) devices, ranging from smart sensors to wearable electronics, has intensified the demand for sustainable energy solutions capable of powering low-pow...
Influence of laser chirp and interferometer delay and imbalance on the performance of a time-bin BB84 quantum key distribution system
We investigate the effect of interferometer delay and imbalance on the performance of a BB84 time-bin quantum key distribution system. We simulate the impact of interference visibility on system perfo...
Directional propagation and enhanced emission of chiral light manipulated by gold helices
Nanoplasmonic waveguides have been demonstrated to own unique advantages in controlling the directionality of nanoscale chiral light sources. They could facilitate the directional propagation of chira...
Microwave-regime demonstration of plasmonic non-reciprocity in a flowing two-dimensional electron gas
The speed of a plasmonic wave in the presence of electron drift in a conductor depends on the wave's propagation direction, with the wave traveling along the drift (“forward wave”) faster than the wav...
Robustness and tunability of spin dynamics in FeRh films under magnetic inhomogeneity control
Understanding and controlling spin precession dynamics are crucial for ultrafast magnetic switching in spintronic devices and next-generation memory technologies. In this work, we investigate how the...
10 kV E-mode GaN HEMT: Physics for breakdown voltage upscaling
High-voltage GaN high electron mobility transistors (HEMTs) have recently reached the 10 kV milestone; however, prior reports relied on unconventional epitaxial structures—such as multi-channel, Si de...
Measuring coherent dynamics of a superconducting qubit in an open waveguide
We measured the relaxation and decoherence rates of a superconducting transmon qubit in a resonator-free setting. In our experiments, the qubit is coupled to an open coplanar waveguide such that the t...
Normal vibration induces tangential friction in an arch-shaped tribological robot
Dynamic control of friction is fundamental to achieving adaptive locomotion in robotic systems. Inspired by biological seta-like structures, we present a symmetrical arch-shaped robot capable of bidir...
Fabrication of metal air bridges for superconducting circuits using two-photon lithography
Extraneous high frequency chip modes parasitic to superconducting quantum circuits can result in decoherence when these modes are excited. To suppress these modes, superconducting air bridges (AB) are...
Phase control of multi-RF photon spectroscopy of spin centers in SiC
The spin manipulation of silicon vacancy centers (VSi−) in SiC via radio frequency (RF) excitation offers a promising approach to realizing room temperature quantum sensors. Conventional excitation sc...
Preliminary experimental verification of a metamaterial-based all-cavity axial extraction relativistic magnetron
This paper presents a preliminary experimental study on a metamaterial-based all-cavity axial extraction relativistic magnetron, previously discussed in our earlier work [Pi et al., Appl. Phys. Lett....
Neodymium defect engineering in diamond: Unlocking dual emission and phonon-assisted energy transfer
Neodymium (Nd)-related color centers in diamond exhibit unique photophysical properties and energy transfer dynamics, offering potential applications in quantum technologies and optoelectronics. This...
Anomalous spin-orbit torque switching in CoO/Pt
Antiferromagnets have been envisioned as promising candidates for developing high-performance memories with both high speed and high integration density owing to their terahertz spin dynamics and abse...
Analysis of the single-event effects in <i>β</i>-Ga2O3 Schottky barrier diodes
This work presents the investigation of the single-event effects in β-Ga2O3 Schottky barrier diodes (SBDs) under heavy-ion irradiation with a reverse bias voltage of 100 V. The research focuses on the...
Controllable p-type doping for 2D-WSe2 and application in charge trap flash
Two-dimensional (2D) materials, due to their ultra-thin geometry, are one of the potential channel materials for future logic and memory chips. However, highly reliable p-type memory devices based on...
Pushing the sensitivity of stimulated Raman scattering microscopy with quantum light: Current status and future challenges
Quantum-enhanced stimulated Raman scattering (QE-SRS) microscopy sits at the intersection of biomedical imaging, laser microscopy, and quantum optics toward realizing sensitive molecular-vibrational i...
Phonon entropy in the electrocaloric effect of BaTiO3: A study based on dual-phase-transition mechanisms
Electrocaloric effect refers to an induced adiabatic temperature change and/or isothermal entropy change that results from variations in electric polarization within a dielectric material under an app...
Real-time local density probe for cold atoms utilizing Raman driven spin noise spectroscopy
We demonstrate a minimally perturbative detection method—Raman driven spin noise spectroscopy (RDSNS)—to directly probe the local density of a cloud of cold 39K atoms in real time. The technique relie...
Ohmic contacts to nitrogen-incorporated n-type ultrananocrystalline diamond film grown on intrinsic single crystal diamond substrate
Nitrogen-incorporated ultrananocrystalline diamond (n-UNCD) films offer tremendous potential for diverse electronic applications. However, the absence of a reliable Ohmic contact at room temperature l...