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 2021-08-01 to 2025-08-01.)

Article	Citations
Magnetic field tuning of photoelectric and photoluminescence effects in BiFe_0.9Co_0.1O₃ thin film	69
Detecting the orbital angular momentum from speckle via convolutional neural network	66
Thermoelectric measurements of nanomaterials by nanodiamond quantum thermometry	66
One-step assembly of TA-FeIII supramolecular shell on AgNPs surface for regulating fluorescence intensity of quantum dots	60
Collective residue interactions in trimer complexes of SARS-CoV-2 spike proteins analyzed by fragment molecular orbital method	58
Revealing the quadrupole radiation of liquid gallium nanospheres	57
High throughput observation of latent images on resist using laser-based photoemission electron microscopy	48
Femtosecond Z-scan measurement of third-order nonlinear optical response of fluorine-doped tin oxide	46
Magnetism control of thin CoFeB layers by ferroelectric polarization	44
Formation of neuron-microelectrode junction mediated by a synapse organizer	41
Strong light confinement and optical force enhancement in phosphorene with acoustic plasmons	40
Broadband optical wavelength conversion through four-wave mixing in W3-type AlGaAs photonic crystal waveguides	39
Evaluation and bioparticle density correlation analysis of extended gate HEMT sensors for biological detection from microscopic view	39
Enhancement of short-wavelength range responsibility for PIN silicon photodetectors using additional fluorescent carbon quantum dots nanoparticles	32
Vertical GaN p–n diode with deeply etched mesas by contactless photo-electrochemical etching	32
Lightweight and high-precision materials property prediction using pre-trained Graph Neural Networks and its application to a small dataset	31
RFSoC-based radio-frequency reflectometry in gate-defined bilayer graphene quantum devices	30
N-polar GaN p-n junction diodes with low ideality factors	30
Vortex structure in relaxed BaTiO₃/SrTiO₃ superlattice	30
Axis thermal expansion switching in transition-metal zirconides TrZr₂ by tuning the c/a ratio	28
Quartz-free hydride vapor phase epitaxy for production of large size GaN-on-GaN epitaxial wafers	26
Centimeter-scale laser lift-off of an AlGaN UVB laser diode structure grown on nano-patterned AlN	26
Wide-field imaging of the magnetization process in soft magnetic-thin film using diamond quantum sensors	25
Room temperature demonstration of in-materio reservoir computing for optimizing Boolean function with single-walled carbon nanotube/porphyrin-polyoxometalate composite	25
Effective suppression of interface states in recessed-gate MIS-HEMTs by TMAH wet etching	25

Sub-pT magnetic field detection by tunnel magneto-resistive sensors	25
Optically pumped lasing in a single crystal cavity of thiophene/phenylene co-oligomers grown via improved crystal growth methods in solution	25
Thickness dependence of the spintronic terahertz emission from Ni/Pt bilayer grown on MgO via electron beam deposition	25