OOIR: Observatory of International Research

Papers

(The H4-Index of Vacuum is 45. 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
Enhancement of longitudinal mode characteristic of quantum cascade laser by high-order tilted asymmetric surface grating	275
Structure-fractal-property correlation of multiphase steel	95
Effects of vacuum annealing on the phase constituents and mechanical properties of the AlxCrFeMn2-xNi multiprincipal component alloys	95
Synthesis of Ag/r-GO/ZnO nanocomposite on nickel foam for achieving efficient photoelectrochemical sensing of hydrogen peroxide	91
Influence of low dose rate gamma radiation on breakdown voltage and electrical breakdown time delay of working gas Geiger-Muller chamber	91
Investigation of the influence of orifice length in a magnetron-based gas aggregation source on nanoparticle flow – Experiment and modeling	87
Optimal preparation of AlN thin films on sapphire substrate and its effective validation in SAW resonators	86
Impact of SnO2 addition on the superconducting properties of (Bi, Pb)-2223 ceramics: XPS and EXAFS analysis	84
Analysis of particles inside the metal vapor plume during laser beam welding in vacuum using a simplified multi-wavelength method	83
First-principles calculations on the interfacial stability and bonding properties of HfN(111)/HfB2(0001) interface	79
Fatigue crack growth rate of AISI 4140 low alloy steel treated via shot peening and plasma nitriding	75
Origin of high-frequency magnetic loss of Y3Fe5O12 single crystal thin films prepared with high-throughput screening by magnetron sputtering	74
Gas-phase parameters and densities of atomic species in Cl2 + O2 + Ar plasma: Effects of O2/Ar and Cl2/Ar mixing ratios	74
Structure, cytocompatibility and biodegradation of nanocrystalline coated Mg–Ca–Zn alloys	72
Improved stabilizer design in cathodic vacuum arc discharge featuring a coiled anode for tetrahedral amorphous carbon film deposition	70
Dependence of spectral purity of Gd plasma emission around 6.7 nm on laser irradiation conditions	70
Nb-N solid solution strengthening in (FeCoNiCuNb)Nx high-entropy alloy nitride films	68
A novel physical vapor deposition setup applying high-frequency currents: Deposition of Cu thin films	67
Ga2Se3-based Ovonic Threshold Switching selector for high-density memory applications	66
High-sensitivity room-temperature NH3 detection of SnO2/SnS2 nanocomposites by modulating annealing temperature	64
Characterization of Fe nanoparticles on SrTiO3 (001) using X-ray photoelectron diffraction (XPD)	63
Experimental study on laser-induced arc discharge characteristics of spacecraft high-voltage solar array	63
Experimental characterization of flat indentation creep behaviour of Inconel 617	62
Mesoscopic scale rearrangements of graphite nanoflake open edges under mild annealing treatments	59
A mathematical model for dehydrogenation of molten steel in the Vacuum degasser	58

Molecular dynamics simulations of the evolution of primary radiation damage in Ti-6Ta alloy for spent nuclear fuel reprocessing	57
Coulomb explosion of powders under fast pressure decrease	57
Heteroatom doped cellulose nanocrystals (CNC) with chiral nematic liquid crystal interface for high efficiency removal of ciprofloxacin	56
Synthesis of oxygen-rich carbon materials as metal-free catalysts for oxygen reduction reaction in seawater electrolyte	56
Microstructural stability enhancement and mechanical reinforcement of TLP-bonded Cu/Sn-3.5Ag/Cu microbumps under multiple reflow cycles through Zn Alloying and Ni substrate integration	55
Anode region of a low-pressure gas discharge	55
First-principles calculations to investigate mechanical, thermal, oxidation and hydrogen properties of Y, Zr and Nb alloyed U3Si2	54
AISI 316L stainless steel modification by surface alloy and a-C:H:SiOx coating synthesis	53
Formation evolution and strengthening of quasi-continuous network like TiB whiskers in the in-situ TiBw/TC21 matrix composites	53
Effects of vacuum heat treatment on novel Co-free Al0·9Cr0·8FeMn0·8Ni2.0 eutectic high entropy alloy: Microstructure evolution and mechanical properties	52
Noise analysis of dry scroll vacuum pump based on experiment and CFD	51
A study of the morphological effect of an α-Al2O3 layer on the creep life for nickel-based superalloys using microstructure-based geometrical models	51
Enhancing oxygen reduction activity by Mn-pyridinic N bonding in SmMn2O5/nitrogen-doped carbon black hybrid catalysts	51
Bottom-up stripping of graphene with controlled oxidation behaviors towards supercapacitors energy storage	48
Influence of the growth rate during Nb film pulsed laser deposition on the sapphire R-plane	48
Enhanced corrosion resistance of Mg17Al12 compounds by Ce modification	48
Bi2Ce2O7 nanoparticles synthesized using Elaeis guineensis Jacq. Leaf extracts and its potential for photocatalytic application	47
First-principles study of K2XH4 (X= Mg, Ca) hydrides: structural, mechanical, and optoelectronic aspects for hydrogen storage applications	46
Experimental investigation on the hysteresis characteristic of vacuum arc voltage during the current commutation	46
van der Waals growth of PbSe thin films on graphene and Bi2Se3	46
In-situ hydrothermal Mg(OH)2-SiO2-Al(OH)3 composite coatings on AZ91D magnesium alloy with enhanced corrosion properties	45
Deconvolution of high-resolution depth profiling data with sputtering induced roughness for reconstruction of nano-layer structure	45