OOIR: Observatory of International Research

Papers

(The H4-Index of Applied Physics Express is 26. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Effective suppression of interface states in recessed-gate MIS-HEMTs by TMAH wet etching	67
Thickness dependence of the spintronic terahertz emission from Ni/Pt bilayer grown on MgO via electron beam deposition	64
Room temperature demonstration of in-materio reservoir computing for optimizing Boolean function with single-walled carbon nanotube/porphyrin-polyoxometalate composite	62
Ferromagnetic Fe-doped InAs quantum dots with high Curie temperature	58
Lightweight and high-precision materials property prediction using pre-trained Graph Neural Networks and its application to a small dataset	56
Magnetic field tuning of photoelectric and photoluminescence effects in BiFe_0.9Co_0.1O₃ thin film	56
Detecting the orbital angular momentum from speckle via convolutional neural network	49
Thermoelectric measurements of nanomaterials by nanodiamond quantum thermometry	48
One-step assembly of TA-FeIII supramolecular shell on AgNPs surface for regulating fluorescence intensity of quantum dots	47
Collective residue interactions in trimer complexes of SARS-CoV-2 spike proteins analyzed by fragment molecular orbital method	46
Revealing the quadrupole radiation of liquid gallium nanospheres	44
High throughput observation of latent images on resist using laser-based photoemission electron microscopy	43
Centimeter-scale laser lift-off of an AlGaN UVB laser diode structure grown on nano-patterned AlN	41
Magnetism control of thin CoFeB layers by ferroelectric polarization	37
Femtosecond Z-scan measurement of third-order nonlinear optical response of fluorine-doped tin oxide	37
Formation of neuron-microelectrode junction mediated by a synapse organizer	37
Enhancement of short-wavelength range responsibility for PIN silicon photodetectors using additional fluorescent carbon quantum dots nanoparticles	30
Strong light confinement and optical force enhancement in phosphorene with acoustic plasmons	30
Evaluation and bioparticle density correlation analysis of extended gate HEMT sensors for biological detection from microscopic view	30
Vertical GaN p–n diode with deeply etched mesas by contactless photo-electrochemical etching	29
Broadband optical wavelength conversion through four-wave mixing in W3-type AlGaAs photonic crystal waveguides	29
Vortex structure in relaxed BaTiO₃/SrTiO₃ superlattice	28
Axis thermal expansion switching in transition-metal zirconides TrZr₂ by tuning the c/a ratio	27
N-polar GaN p-n junction diodes with low ideality factors	27
Quartz-free hydride vapor phase epitaxy for production of large size GaN-on-GaN epitaxial wafers	27

Wide-field imaging of the magnetization process in soft magnetic-thin film using diamond quantum sensors