Applied Physics Express and JJAP

[2025 OPEN ACCESS]
Ultrashort gain-switched pulse trains from laser diodes characterized by a single-shot up-conversion time microscope
2025 Appl. Phys. Express 18 072002

iopscience.iop.org/article/10.3...

#APEX
#OpenAccess
#Physics
#switch
#laser
#diode
#spectroscopy
#pulse
#conversion

[2024 OPEN ACCESS]
Structural characterization of epitaxial ScAlN films grown on GaN by low-temperature sputtering
2024 Appl. Phys. Express 17 011002

iopscience.iop.org/article/10.3...

#APEX
#OpenAccess
#Physics
#epitaxial
#GaN
#sputtering
#ScAlN

[Open Access]
Analysis of ESD capability of SiC MOSFET with various cell designs
2025 Jpn. J. Appl. Phys. 64 02SP26

iopscience.iop.org/article/10.3...

#JJAP
#physics
#Openaccess
#electrostatic
#discharge
#oxide
#semiconductor
#transistor
#chip

[INVITED REVIEW : FREE ARTICLE]
Quantitative analysis of optical emission spectroscopy for plasma process monitoring
2024 Jpn. J. Appl. Phys. 63 050102

iopscience.iop.org/article/10.3...

#JJAP
#Physics
#review
#optical
#spectroscopy
#plasma

[2025 OPEN ACCESS]
A design for terahertz-driven isolated sub-femtosecond electron pulses
2025 Appl. Phys. Express 18 072001

iopscience.iop.org/article/10.3...

#APEX
#OpenAccess
#Physics
#ultrafast
#electron
#pulse
#terahertz

[2024 OPEN ACCESS]
Lattice thermal conductivity of β-, α- and κ- Ga2O3: a first-principles computational study
2024 Appl. Phys. Express 17 011001

iopscience.iop.org/article/10.3...

#APEX
#OpenAccess
#Physics
#thermal
#conductivity
#Ga2O3
#Firstprinciples

[Open Access]
Ray-based automatic tuning of a single quantum dot in a GaAs/AlGaAs quadruple dot array
2025 Jpn. J. Appl. Phys. 64 02SP22

iopscience.iop.org/article/10.3...

#JJAP
#physics
#Openaccess
#GaAs
#AlGaAs
#quantum
#dot
#machinelearning
#spin
#computing

[INVITED REVIEW : FREE ARTICLE]
Design strategy of extreme ultraviolet resists
2024 Jpn. J. Appl. Phys. 63 050101

iopscience.iop.org/article/10.3...

#JJAP
#Physics
#review
#extreme
#ultraviolet
#resist

[2025 OPEN ACCESS]
Boron as a passivating dopant of oxygen-vacancy-induced hole traps at GaN/SiO2 interface
2025 Appl. Phys. Express 18 071002

iopscience.iop.org/article/10.3...

#APEX
#OpenAccess
#Physics
#Hole
#trap
#GaN
#MOSFET
#Boron
#doping

[2024 OPEN ACCESS]
Origin of broadband acoustic emission from a dancing cavitation bubble
2024 Appl. Phys. Express 17 127002

iopscience.iop.org/article/10.3...

#APEX
#Physics
#OpenAccess
#Acoustic
#cavitation
#emission
#Broadband
#noise
#sonoluminescence

[2025 OPEN ACCESS]
High performance vacuum annealed β-(AlxGa1−x)2O3/Ga2O3 HFET with fT/fMAX of 32/65 GHz
2025 Appl. Phys. Express 18 071001

iopscience.iop.org/article/10.3...

#APEX
#OpenAccess
#Physics
#vacuum
#gallium
#oxide
#HFET
#frequency

[Spotlights]
High Mg activation with suppressed Mg diffusion during ultra-high-pressure annealing via sequential nitrogen-ion implantation in Mg-ion-implanted GaN
2025 Appl. Phys. Express 18 066502

iopscience.iop.org/article/10.3...

Spotlights
iopscience.iop.org/journal/1882...

#APEX
#OpenAccess

[2024 OPEN ACCESS]
Fabrication and characterization of strain-induced graphene for chemisorption-based graphene resonant mass sensors
2024 Appl. Phys. Express 17 127001

iopscience.iop.org/article/10.3...

#APEX
#Physics
#OpenAccess
#MEMS
#resonator
#graphene
#SARS
#CoV2

[2024 OPEN ACCESS]
Unique short-circuit failure mechanisms in 1.2-kV SiC planar MOSFETs
2024 Appl. Phys. Express 17 124002

iopscience.iop.org/article/10.3...

#APEX
#Physics
#OpenAccess
#SiC
#MOSFET
#poly
#Si
#shorting

[2025 OPEN ACCESS]
Frequency trimming of superconducting qubits using RF-biased ICP annealing
2025 Appl. Phys. Express 18 066501

iopscience.iop.org/article/10.3...

#APEX
#OpenAccess
#Physics
#superconducting
#qubit
#anneal
#quantum
#computing

[2024 OPEN ACCESS]
Franz–Keldysh effect in β-Ga2O3 Schottky barrier diode under high reverse bias voltage
2024 Appl. Phys. Express 17 124001

iopscience.iop.org/article/10.3...

#APEX
#Physics
#OpenAccess
#Ga2O3
#FranzKeldysh
#Photocurrent
#photoemission
#Schottky
#diode

[OPEN ACCESS]
Impacts of homoepitaxial AlN thickness on the qualities of AlGaN QWs fabricated on the face-to-face annealed sputter-deposited AlN templates
2025 Appl. Phys. Express 18 065503

iopscience.iop.org/article/10.3...

#APEX
#OpenAccess
#Physics
#AlN
#quantum
#photo
#AlGaN
#ultraviolet

[2024 OPEN ACCESS]
High-quality 100% Ce3+:(Lu1−xYx)2SiO5 single crystals grown by the hydrothermal technique
2024 Appl. Phys. Express 17 122007

iopscience.iop.org/article/10.3...

#APEX
#Physics
#OpenAccess
#Scintillator
#Hydrothermal
#crystal
#growth
#emission
#tomography

[2025 OPEN ACCESS]
Composition Determination from Strain Relaxation in 4D-STEM
2025 Appl. Phys. Express 18 065502

iopscience.iop.org/article/10.3...

#APEX
#OpenAccess
#Physics
#Composition
#Determination
#4D
#STEM
#Heterointerfaces
#Dynamic
#Diffraction
#Strain
#Transmission
#Electron
#Microscopy

[2024 OPEN ACCESS]
Enhancement of high harmonic generation in liquid water by resonant excitation in the mid-infrared
2024 Appl. Phys. Express 17 122006

iopscience.iop.org/article/10.3...

#APEX
#Physics
#OpenAccess
#harmonic
#Attosecond
#phenomena
#Nonlinear
#optics

[2025 OPEN ACCESS]
High field performance of Si-doped n-AlN layers grown using pulsed MOCVD
2025 Appl. Phys. Express 18 065501

iopscience.iop.org/article/10.3...

#APEX
#OpenAccess
#Physics
#Metalorganic
#CVD
#Si
#AlN
#Voltage
#Device

[2024 OPEN ACCESS]
Optical and electrical properties of proton-implanted p-GaSb for electrical isolation
2024 Appl. Phys. Express 17 122005

iopscience.iop.org/article/10.3...

#APEX
#Physics
#OpenAccess
#Ion
#Implantation
#thermal
#annealing
#Gallium
#antimonide
#spectroscopy

[OPEN ACCESS]
Coherent multiphoton photoemission spectroscopy of image-potential state on Ir(111) surface
2025 Appl. Phys. Express 18 062001

iopscience.iop.org/article/10.3...

#APEX
#OA
#オープンアクセス
#Physics
#image
#laser
#photoemission
#spectroscopy
#multiphoton
#excitation
#nonlinear
#interaction

[2024 OPEN ACCESS]
Design and experimental demonstration of photonic-crystal lasers with multijunction active layers
2024 Appl. Phys. Express 17 122004

iopscience.iop.org/article/10.3...

#APEX
#Physics
#OA
#オープンアクセス
#Photonic
#crystals
#Semiconductor
#lasers
#surface
#lasers
#PCSELs

[2025 OPEN ACCESS]
Voltage-mode reservoir computing with ferroelectric CMOS inverters
2025 Appl. Phys. Express 18 061002

iopscience.iop.org/article/10.3...

#APEX
#OA
#オープンアクセス
#Physics
#Reservoir
#Computing
#Ferroelectric
#FET
#AI
#CMOS
#Technology
#Prediction
#Energy
#Efficiency

[2024 OPEN ACCESS]
Signal enhancement in X-ray Talbot interferometry with a pair of concave and convex parabolic phase gratings
2024 Appl. Phys. Express 17 122003

iopscience.iop.org/article/10.3...

#APEX
#Physics
#OA
#オープンアクセス
#Phase
#imaging
#Xray
#Talbot
#interferometer
#Lens
#array

[2025 OPEN ACCESS]
650 nm emitting InGaN red micro-LEDs with ITO n-electrodes
2025 Appl. Phys. Express 18 061001

iopscience.iop.org/article/10.3...

#APEX
#OA
#オープンアクセス
#Physics
#InGaN
#red
#micro
#LED
#ITO
#light
#extraction
#efficiency
#external
#quantum

[Spotlights]
Demonstration of UV-A stimulated emission from optical pumping with a nano-porous cladding layer
2024 Appl. Phys. Express 17 122001

iopscience.iop.org/article/10.3...

Spotlights
iopscience.iop.org/journal/1882...

#APEX
#Physics
#OA
#オープンアクセス
#GaN
#Ultraviolet
#Diode
#Optical
#MOCVD

[2024 OPEN ACCESS]
Vacuum frequency measurement of 7S3-7P4 transition in Cr atoms using laser-induced fluorescence
2024 Appl. Phys. Express 17 122002

iopscience.iop.org/article/10.3...

#APEX
#Physics
#OA
#オープンアクセス
#Chromium
#atoms
#Optical
#comb
#Laser
#fluorescence

[OPEN ACCESS]
An analytical method for evaluating the transient swelling layer during polymer film development using quartz crystal microbalance
2025 Appl. Phys. Express 18 056501

iopscience.iop.org/article/10.3...

#APEX
#OA
#オープンアクセス
#Physics
#lithography
#process
#diffusion
#dissolution