OOIR: Observatory of International Research

Papers

(The H4-Index of Sensors and Actuators A-Physical is 52. 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 2022-05-01 to 2026-05-01.)

Article	Citations
Flip-chip technology at room temperature: A new design of microtube-based interconnect for improved mechanical and electrical properties	339
Exceptional point sensing via energy loss profile in a non-Hermitian system	186
Tailoring polypyrrole film characteristics with multi-step oxygen plasma treatment for high-performance strain sensors: Impact on bonding, microstructure, and electrical responsivity	160
Effect of silver doping on sol-gel synthesized RuAgxOy-based extended-gate field-effect transistor flexible sensor device	143
Fissure-like vector curve type composite sensor based on polarization mode interference	133
Realization of a filter-free wavelength image sensor and imaging system for visualization of wavelength information	132
Manufacturing of a 70 × 70 mm2 LTCC strip electrode readout for Gas Electron Multiplier detectors	129
Preparation of PVA/CNTs film with high stability and humidity sensitivity based on multiple process	122
Compact optical fiber sensor system featuring tunable sensitivity and real-time wireless interrogation	119
Flexible temperature sensors based on optimized paper/Cu/Al2O3 and graphene/PVDF composite sensing layers	112
A long-short motion strategy with feedforward compensation for the long-stroke inchworm piezoelectric motor driven by the bender-type actuators	110
A highly sensitive multi-DOF soft bionic finger using clams-inspired rigid-soft hybrid joints	98
Optical fiber tactile sensing array based on dynamic learning of optical specklegram	98
Mechanical behavior monitoring of a large-scale prefabricated subway station during assembly using fiber optic sensors	96
Micro quartz crystal tuning fork based photothermal spectroscopy for trace gas detection	95
Unveiling growth and characterization of alkali metals-doped SnS2 thin films for resistive humidity sensing	90
A sensitive double-clamped quartz tuning fork (QTF) pressure sensor with temperature compensation for liquid level sensing at elevated temperatures	87
Optimization of linearity of piezoresistive pressure sensor based on pade approximation	86
A novel room-temperature nitrogen dioxide gas sensor based on silver-doped cerium oxide thin film	85
High-sensitivity electrically isolated differential strain gauge with temperature compensation for precise force measurements	84
Dual-mode Shear Horizontal / Rayleigh-like surface-acoustic-wave configuration on lithium niobate 64° Y-cut	81
SnapE-ResNet: A novel electronic nose classification algorithm for gas data collected by open sampling systems	79
Harsh environment-tolerant and robust superhydrophobic graphene-based composite membrane for wearable strain sensor	77
On-demand electrostatic droplet splitting and coalescence by corona discharge	75
Carbon nanotube-based nanocomposite electrodes using a water-soluble PEDOT derivative for high-performance actuators	73

Liquid metal-enhanced composite conductive ink with improved electrical stability and durability for flexible electronics	71
Liquefied petroleum gas sensing performance of solochemically synthesized ZnO nanorods: Role of precursors and fractal analysis	71
A tunable graphene-based phase-jump inversion plasmonic sensor for ultra-sensitive refractive index sensing over THz frequency	70
Piezoelectric 1D MEMS scanning micromirror fabricated with bulk PZT laminated on stainless steel plate	68
Study of a miniature underwater robot based on piezoelectric vector jet propulsion	67
Dark background correction of the infrared detector for hyperspectral remote sensing application	67
Miniature fiber-optic temperature sensors using PDMS-coated surface plasmon resonance microcavities	65
Optical fiber acoustic sensor with gold diaphragm based Fabry-Perot interferometer	64
Design and application of multimodal visual-tactile sensor for object information perception	64
A self-powered metamaterial augmented nanogenerator for low-frequency acoustic telecommunication	62
Design, modeling, and control of magnetically actuated rod-like soft robots: Propulsion in free space with viscous fluids and navigation in confined geometries	62
Microfabrication and characterization of gadolinium oxide (Gd2O3) based photodetector	62
Respiration monitoring using a paper-based wearable humidity sensor, a step forward to clinical tests	62
MOS based gas sensor in detection of volatile organic compounds: A review	59
Monitoring rail track bolt loosening using fiber-optic distributed acoustic sensing	58
Ultra-sensitive strain sensor with film-nanowire double layers for health monitoring and smart clothing	57
Time-averaged interference fringe analysis: A quantitative study of nanomembrane vibration dynamics	57
Study on ethanol driven by alternating current electroosmosis in microchannels	56
Pyroelectric infrared device with multilayer compensation structure	55
Investigation of PLA/ZnO nanofibers for piezoelectric and nerve regeneration applications	55
Proof of concept of an air-coupled electrostatic ultrasonic transducer based on lateral motion	54
Frequency and damping analysis of hexagonal microcantilever beams	54
Wearable multi-sensor data fusion approach for human activity recognition using machine learning algorithms	53
A remote infrared MEMS thermopile sensor for non-contact temperature measurement applications	53
Dual magnet solenoid actuator: Practical applications	53
Strain-induced photoresponsivity in gallium-doped ZnO thin film based UV photodetectors	53
Offset drift in orthogonal fluxgate and importance of closed-loop operation	52
Fabrication of flexible and sensitive resistance strain sensor by flexible TPU decorated with CQDs/TNC composite	52