Applied Physics Letters
Articles in this Issue
Formation mechanisms of low-density C-related defects in homoepitaxy 3C-SiC MOS capacitors compared with 4H-SiC
Gate oxide quality is a critical factor affecting the reliability of SiC MOSFETs. In this work, we elucidate the effect of differences in the formation mechanisms of low-density C-related defects betw...
Symmetry-engineered 2D Janus Fe2BN as a <i>d</i> -wave altermagnet with ferroelectricity and anomalous Hall effect
Altermagnets, characterized by compensated magnetic moments and spin-split electronic bands, provide a promising platform for next-generation spintronics. However, two-dimensional (2D) altermagnets th...
Stark tuning and charge state control in individual telecom C-band quantum dots
Telecom wavelength quantum dots (QDs) are emerging as a promising solution for generating deterministic single-photons compatible with existing fiber-optic infrastructure. Emission in the low-loss C-b...
Tailoring of thermal conductance across two-dimensional MoS2 and polymer interface by self-assembled monolayer
The integration of two-dimensional (2D) materials with polymeric substrates has gained significant attention in the field of flexible electronics. However, the fundamental understanding of thermal tra...
Broadband light emission from GaAsP and GaInP islands grown on silicon nanotip wafer via nanoheteroepitaxy
We present the monolithic integration of GaAsxP1−x and GaxIn1−xP islands, selectively grown on a Si(001) nanotip wafer using gas-source molecular-beam epitaxy via a nanoheteroepitaxy approach. Optimal...
Generalized Purcell factor enhancement of perovskite nanocrystals in an open cavity at room temperature
Cavity interactions are crucial to several high-efficiency photonic devices, such as resonant cavity light-emitting diodes and vertical cavity surface emitting lasers. In particular, optical microcavi...
Experimental demonstration of tunable spectral flow of elastic localized modes
We experimentally demonstrate the tunability of a topological defect mode and its spectral flow within the bandgap of a periodic structure made of beams and cylindrical masses and hosting a topologica...
Exceptional comprehensive barocaloric performance in three-dimensional hybrid perovskite [Et3P(CH2)2F][Mn(dca)3] compound near room temperature
Barocaloric (BC) refrigeration materials have rapidly emerged as a promising alternative for solid-state cooling applications, owing to their absence of system selectivity and colossal entropy change....
Investigation of kinetic inductance and microwave loss in thin-film TaCxN1−x superconducting resonators
The promise of tantalum for realizing superconducting quantum devices has generated interest in its compound films, particularly nitrides. Among these, cubic-phase tantalum carbonitride (TaCxN1−x) off...
Universal thermometry of solid–liquid interfacial thermal conductance
Solid–liquid interfacial thermal conductance (ITC) critically influences heat transport in microfluidic, electronic, and energy systems, yet most optical thermometry techniques are limited to specific...
Tailoring magnetic properties of Cr2Te3 via selective Se substitution
Magnetic two-dimensional (2D) heterostructures have garnered substantial attention due to their advantages in spintronic applications. However, obtaining a perfect interface is still challenging owing...
Surface dipole formation and electronic structure evolution on <i>β</i> -Ga2O3
The surface electronic structure of Ga2O3 critically influences its metal/Ga2O3 contact and semiconductor/Ga2O3 interface property, as well as the overall device performance. However, the fundamental...
Vortex arrays and strong proximity coupling in Nb/Au bilayers
Owing to its superconducting properties, niobium (Nb) is an excellent candidate material for superconducting electronics and applications in quantum technology. Here, we perform scanning tunneling mic...
Strain-engineered monolayer Fe2CoGaTe2 with giant perpendicular magnetic anisotropy and enhanced Curie temperature
Two-dimensional (2D) intrinsic ferromagnets with high magnetic anisotropy at room temperature are crucial for ultra-thin spintronic applications. Here, we reveal that monolayer Fe2CoGaTe2 is stable an...
Proximity-driven metallization of germanene on NiTe2 via interfacial coupling
Epitaxial germanene layers have been grown on a NiTe2 substrate, and their structural and electronic properties were systematically investigated using scanning tunneling microscopy (STM) and scanning...
Monolayer, bilayer, and heterostructure B2C16 as potential anode materials for lithium-ion batteries: A first-principles study
With the swift progress in renewable energy technologies, there has been a significant increase in the worldwide need for advanced materials for lithium-ion batteries (LIBs). Through first-principles...
Thermal transport mapping in twisted double bilayer graphene
Two-dimensional (2D) materials have attracted significant interest due to their tunable physical properties when stacked into homo- and heterostructures. Twisting adjacent layers introduces moiré patt...
Ultra-low thermal conductivity in nanoscale, epitaxial SnS grains
Thermally insulating nanoscale building blocks enable efficient routes to both passive and active heat management in miniaturized architectures. However, identifying suitable nanomaterials by computat...
Atomic layer etching of TiN by oxidation and SF6-H2 plasma exposure: ALE window defined by HF, H, and F
Expanding the understanding of dry-etching processes calls for the identification of species present in the plasma and how they react with the material surface. Here, we have investigated an atomic la...
Bulklike monolayer and bilayer picene on Si(111)-(23× 23)-Sn
A bimodal growth of bulklike monolayer and bilayer picene grown on Si(111)-(23× 23)R30°-Sn was reported in combination of low-temperature scanning tunneling microscopy with first principles density fu...
Cryogenic performance of field-effect transistors and amplifiers based on selective area grown InAs nanowires
Indium-arsenide nanowire field-effect transistors (NWFETs) are promising platforms for high-speed, low-power nanoelectronics operating at cryogenic conditions, relevant for quantum information process...
A dual-polarization mid-infrared kinetic inductance detector with photon-noise-limited performance
The mid-infrared (MIR) regime carries rich information about planetary-atmosphere biosignatures and galaxy evolution while providing higher star-planet contrast ratios than the optical band. Advanced...
Regulation of optical properties in quasi-2D perovskite heterostructures and their application in photodetection
Organic cation engineering emerges as a powerful strategy for tailoring the optical properties of perovskite materials. In this work, we construct a series of quasi-2D (Q-2D) hybrid perovskite films b...
Synergistic hardening and rotational mechanism of the multiscale heterogeneous structure in the (CoCrNi)90Al10 medium-entropy alloy
Designing heterogeneous structures is a proven strategy to overcome the strength–ductility trade-off in metallic materials by introducing additional hetero-deformation-induced (HDI) hardening. However...
Evidence of liquid–liquid phase transition in Zr–Cu–Al melts and its link to glass-forming ability
Liquid–liquid phase transition (LLPT) has been found in two Zr–Cu–Al glass-forming metallic melts above the liquidus temperature, characterized by thermophysical, structural, and density changes by in...