OOIR: Observatory of International Research

Papers

(The H4-Index of Applied Physics Express is 25. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-09-01 to 2025-09-01.)

Article	Citations
Detecting the orbital angular momentum from speckle via convolutional neural network	70
Thermoelectric measurements of nanomaterials by nanodiamond quantum thermometry	68
One-step assembly of TA-FeIII supramolecular shell on AgNPs surface for regulating fluorescence intensity of quantum dots	67
Collective residue interactions in trimer complexes of SARS-CoV-2 spike proteins analyzed by fragment molecular orbital method	62
Revealing the quadrupole radiation of liquid gallium nanospheres	59
High throughput observation of latent images on resist using laser-based photoemission electron microscopy	58
Femtosecond Z-scan measurement of third-order nonlinear optical response of fluorine-doped tin oxide	50
Magnetism control of thin CoFeB layers by ferroelectric polarization	47
Formation of neuron-microelectrode junction mediated by a synapse organizer	46
Evaluation and bioparticle density correlation analysis of extended gate HEMT sensors for biological detection from microscopic view	41
Broadband optical wavelength conversion through four-wave mixing in W3-type AlGaAs photonic crystal waveguides	41
Enhancement of short-wavelength range responsibility for PIN silicon photodetectors using additional fluorescent carbon quantum dots nanoparticles	40
Vertical GaN p–n diode with deeply etched mesas by contactless photo-electrochemical etching	40
Centimeter-scale laser lift-off of an AlGaN UVB laser diode structure grown on nano-patterned AlN	33
Vortex structure in relaxed BaTiO₃/SrTiO₃ superlattice	32
N-polar GaN p-n junction diodes with low ideality factors	32
Axis thermal expansion switching in transition-metal zirconides TrZr₂ by tuning the c/a ratio	31
Lightweight and high-precision materials property prediction using pre-trained Graph Neural Networks and its application to a small dataset	30
Quartz-free hydride vapor phase epitaxy for production of large size GaN-on-GaN epitaxial wafers	30
RFSoC-based radio-frequency reflectometry in gate-defined bilayer graphene quantum devices	30
Optically pumped lasing in a single crystal cavity of thiophene/phenylene co-oligomers grown via improved crystal growth methods in solution	29
Sub-pT magnetic field detection by tunnel magneto-resistive sensors	27
Magnetic field tuning of photoelectric and photoluminescence effects in BiFe_0.9Co_0.1O₃ thin film	26
Effective suppression of interface states in recessed-gate MIS-HEMTs by TMAH wet etching	26
Wide-field imaging of the magnetization process in soft magnetic-thin film using diamond quantum sensors	26

Stepped acoustic metasurface with simultaneous modulations of phase and amplitude	25
Strong light confinement and optical force enhancement in phosphorene with acoustic plasmons	25
Terahertz aptasensor for dopamine neurochemical detection	25
High-density spin-wave soliton train	25
Core–shell yarn-structured triboelectric nanogenerator for harvesting both waterdrop and biomechanics energies	25
Room temperature demonstration of in-materio reservoir computing for optimizing Boolean function with single-walled carbon nanotube/porphyrin-polyoxometalate composite	25