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Applied Physics Express and JJAP
@apexjjap.bsky.social
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Applied Physics Express #APEX
Japanese Journal of Applied Physics #JJAP
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Applied Physics Express and JJAP @apexjjap.bsky.social · Oct 1
APEX-NEXT (Noteworthy Excellent Topics)

We have created a collection of review articles on applied physics entitled "APEX-NEXT", where “NEXT” stands for “Noteworthy Excellent Topics”.

iopscience.iop.org/collections/...

#APEX
#Review
#Openaccess
#physics
apexjjap.bsky.social
[2025 OPEN ACCESS]
Demonstration of InGaN full-color monolithic micro-LED display using stacking and selective removal of the light-emitting layer
2025 Appl. Phys. Express 18 022003

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

#APEX
#OpenAccess
#Physics
#LED
#GaN
#microLED
#monolithic
December 11, 2025 at 2:23 AM
apexjjap.bsky.social
[2024 OPEN ACCESS]
Neural-network-based transfer learning for predicting cryo-CMOS characteristics from small datasets
2024 Appl. Phys. Express 17 074002

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

#APEX
#Physics
#Openaccess
#neuralnetwork
#CMOS
#MOSFET
#quantum
#computing
December 11, 2025 at 2:15 AM
apexjjap.bsky.social
[2024 OPEN ACCESS]
Over 600 V Lateral AlN-on-AlN Schottky Barrier Diodes with Ultra-Low Ideality Factor
2024 Appl. Phys. Express 17 074001

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

#APEX
#Physics
#Openaccess
#AlN
#Schottky
#diode
#SBD
#MOCVD
December 10, 2025 at 1:01 PM
apexjjap.bsky.social
[Open Access]
Effects of plasma hydrogenation on characteristics of T-shaped gate polysilicon thin-film transistors with lightly-doped drain
2025 Jpn. J. Appl. Phys. 64 01SP23

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

#JJAP
#physics
#Openaccess
#thinfilm
#transistor
#Si
#plasma
#hydrogenation
#drain
#air
December 10, 2025 at 6:42 AM
apexjjap.bsky.social
[Open Access]
Closed airflow system, CUSP, for preventing SARS-CoV-2 infection, promoting health care, and achieving Sustainable Development Goals
2024 Jpn. J. Appl. Phys. 63 017003

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

#JJAP
#physics
#openaccess
#airflow
#cleanliness
#sleep
#health
#QoL
#molecular
December 10, 2025 at 6:38 AM
apexjjap.bsky.social
[OPEN ACCESS]
Signal subtraction using nanosecond optical pulses with two different pulse energies in two-photon photoacoustic microscopy (TP-PAM) with a ring-shaped acoustic transducer to evaluate precise thickness
2025 Appl. Phys. Express 18 022002

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

#APEX
December 10, 2025 at 3:20 AM
apexjjap.bsky.social
[2025 OPEN ACCESS]
Methane-filled hollow fiber: a cost-effective pathway to compress high repetition rate ytterbium femtosecond lasers using self-phase modulation
2025 Appl. Phys. Express 18 022001

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

#APEX
#OpenAccess
#Physics
#ultrashort
#pulse
#fiber
#compressors
December 9, 2025 at 7:37 AM
apexjjap.bsky.social
[2024 OPEN ACCESS]
Dynamic wide gamut color generation using highly lossy metal-based metal-dielectric-metal structure
2024 Appl. Phys. Express 17 072005

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

#APEX
#Physics
#Openaccess
#dielectric
#dynamic
#lossy
#polarization
#plasmon
December 9, 2025 at 7:33 AM
apexjjap.bsky.social
[OPEN ACCESS]
Detection of defects with carbon–carbon single-bonds in near-surface region of SiC induced by low-oxygen-partial-pressure annealing by using FTIR
2025 Appl. Phys. Express 18 021003

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

#APEX
#OpenAccess
#Physics
#Fourier
#infrared
#spectroscopy
December 8, 2025 at 7:38 AM
apexjjap.bsky.social
[2024 OPEN ACCESS]
Polarization-dependent photoluminescence of Ce-implanted MgO and MgAl2O4
2024 Appl. Phys. Express 17 072004

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

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

#APEX
#Physics
#Spotlights
#polarization
#photoluminescence
#spin
December 8, 2025 at 7:35 AM
apexjjap.bsky.social
[Open Access]
Ultra-low quiescent current off-chip capacitor-less low-dropout linear regulator with enhanced load-transient response for low-power IoT devices
2025 Jpn. J. Appl. Phys. 64 01SP22

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

#JJAP
#physics
#Openaccess
#regulator
#capacitor
#response
#power
December 8, 2025 at 6:42 AM
apexjjap.bsky.social
[Open Access 2024]
SARS-CoV-2 detection by using graphene FET arrays with a portable microfluidic measurement system
2024 Jpn. J. Appl. Phys. 63 016502

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

#JJAP
#physics
#openaccess
#SARS
#CoV2
#FET
#microfluidic
#virus
December 8, 2025 at 6:39 AM
apexjjap.bsky.social
[OPEN ACCESS]
Systematic investigation of charge transport and thermoelectric properties in semicrystalline polymers: electrochemical doping effects on doping level and temperature dependence using one sample
2025 Appl. Phys. Express 18 021002

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

#APEX
#OpenAccess
December 7, 2025 at 11:00 AM
apexjjap.bsky.social
[2024 OPEN ACCESS]
Nanometer-precision measurements of geometric fluctuations via momentum-filtered spectroscopy
2024 Appl. Phys. Express 17 072003

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

#APEX
#Physics
#Openaccess
#nanometer
#geometric
#spectroscopy
December 7, 2025 at 11:00 AM
apexjjap.bsky.social
[2024 OPEN ACCESS]
Ultra-thin optical power converters based on Gires–Tournois resonator configuration operating in high-order modes
2024 Appl. Phys. Express 17 072002

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

#APEX
#Physics
#Openaccess
#optical
#resonator
#OPC
December 6, 2025 at 11:01 AM
apexjjap.bsky.social
[2025 OPEN ACCESS]
Instantaneous deposition-rate modulator for vacuum vapor deposition: fabrication of polarization gradated organic film
2025 Appl. Phys. Express 18 021001

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

#APEX
#OpenAccess
#Physics
#organic
#LED
#molecular
#Alq3
#velocity
#deposition
December 6, 2025 at 11:00 AM
apexjjap.bsky.social
[2025 OPEN ACCESS]
Improving radiation tolerance with room temperature annealing of pre-existing defects
2025 Appl. Phys. Express 18 017001

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

#APEX
#OpenAccess
#Physics
#Radiation
#tolerance
#Zener
#diode
#ion
#irradiation
December 5, 2025 at 7:43 AM
apexjjap.bsky.social
[2024 OPEN ACCESS]
Room temperature optical coupling of neodymium ions to photonic crystal L3 cavity in gallium nitride semiconductor
2024 Appl. Phys. Express 17 072001

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

#APEX
#Physics
#Openaccess
#photonic
#crystal
#gallium
#nitride
#semiconductor
December 5, 2025 at 7:41 AM
apexjjap.bsky.social
[Open Access]
High-energy-resolution passivated implanted planar silicon detectors
2025 Jpn. J. Appl. Phys. 64 011004

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

#JJAP
#physics
#Openaccess
#Alpha
#particle
#detector
#irradiation
#efficiency
December 5, 2025 at 4:47 AM
apexjjap.bsky.social
[Open Access]
Analysis of a second peak of electron density observed in high-power impulse magnetron sputtering plasma using a Langmuir probe
2024 Jpn. J. Appl. Phys. 63 016003

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

#JJAP
#physics
#openaccess
#Langmuir
#probe
#electron
#ionisation
#density
#plasma
December 5, 2025 at 4:44 AM
apexjjap.bsky.social
[Latest Article: Open Access]
High-power oscillations exceeding 1 mW using a single resonant-tunneling diode oscillator in the 0.6–0.7 THz range
2025 Appl. Phys. Express 18 111001

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

#APEX
#OpenAccess
#Physics
#Terahertz
#THz
#Resonant
#tunneling
#diode
#RTD
December 5, 2025 at 12:44 AM
apexjjap.bsky.social
[2025 OPEN ACCESS]
1380 nm VCSELs using surface-activated bonding of GaAs-based DBRs on a Ge substrate
2025 Appl. Phys. Express 18 016507

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

#APEX
#OpenAccess
#Physics
#Surface
#bonding
#wavelength
#infrared
#Vertical
#Cavity
#Surface
#Emitting
#Laser
December 4, 2025 at 11:00 AM
apexjjap.bsky.social
Microgrooves with low-index facets in halide vapor deposited (001) β-Ga2O3: origin of reverse leakage current in Schottky barrier diodes observed by high-sensitive emission microscopy and synchrotron X-ray topography
2024 17 071004

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

#APEX
#Physics
December 4, 2025 at 10:30 AM
apexjjap.bsky.social
[Open Access]
Impact of aluminum concentration variations on the performance of thin barrier enhancement-mode GaN MIS-HEMTs
2025 Jpn. J. Appl. Phys. 64 01SP18

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

#JJAP
#physics
#Openaccess
#AlGaN
#GaN
#HEMT
#ferroelectric
#thin
#barrier
December 4, 2025 at 7:00 AM
apexjjap.bsky.social
[Open Access]
Oxide-semiconductor channel ferroelectric field-effect transistors for high-density memory applications: 3D NAND operation and the potential impact of in-plane polarization
2024 Jpn. J. Appl. Phys. 63 014003

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

#JJAP
#physics
#openaccess
#FET
December 4, 2025 at 6:55 AM