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Article
Development and characterization of thorium coatings by using an electrodeposition system and alpha spectroscopy
A thin coating of thorium on aluminium substrates with the areal density of 110 to 130 μg/cm2 is developed over a circular area of 22 mm diameter by using the electrodeposition method. An electrodeposition system...
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Article
CoNi Nanoparticles with Different Compositions Using a Polyol Method for a Microwave Absorber in High-Frequency Bands
Microwave absorbers are utilized to reduce electromagnetic interference, which causes device malfunctioning. A superior microwave absorber exhibits a high reflection loss value, high attenuation constant (α), ...
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Article
One-step green synthesis and dispersion characteristics of silver/graphene core/shell-structure nanocomposites
Silver/graphene core/shell nanocomposites were synthesized through a one-step electric explosion of wire method using only silver wires and ethanol. The morphology of the graphene shell structures can be easil...
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Article
Fabrication of platinum-doped WS2 hollow spheres catalyst for high-efficient hydrogen evolution reaction
In this study, tungsten disulfide (WS2) was synthesized by a facile one-step hydrothermal method, and an excellent hydrogen evolution reaction (HER) catalyst was produced by do** the prepared WS2 with platinum ...
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Article
Optimization of the NiFe/Cu multilayer structure using magnetron sputtering for electromagnetic interference shielding in high-frequency bands
In this study, NiFe/Cu multilayer structures were fabricated using a sputtering method. The electromagnetic interference shielding effectiveness (EMI SE) of symmetrical and asymmetric structures of 4 μm NiFe/C...
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Article
Portable Au Nanoparticle-Based Colorimetric Sensor Strip for Rapid On-Site Detection of Cd2+ Ions in Potable Water
Simple, rapid, and instrument-free detection of cadmium ions (Cd2+) with a portable device is essential to prevent the contamination of potable water. Herein, we propose a simple, fast, and low-cost method for th...
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Article
Effects of major process parameters on the permeability of sendust flake-based electromagnetic noise suppressors at high frequency bands (MHz or above)
The performance of electromagnetic noise suppressors manufactured using sendust flakes at megahertz and higher frequencies depends on permeability. Several factors, such as the magnetization, coercivity, and s...
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Article
Effect of a high-temperature pre-bake treatment on whisker formation under various thermal and humidity conditions for electrodeposited tin films on copper substrates
The effect of high-temperature pre-bake treatment on whisker formation was studied under various thermal and/or humidity and plating conditions for thin tin films on thick copper substrates. The pre-bake treat...
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Article
Effect of a Pd sacrifice layer on the interfacial reaction in Sn-3.5Ag/Pd/Cu
The effect of a Pd layer on the interfacial reaction in Sn-3.5Ag/Pd/Cu was studied by varying the thickness of the Pd layer. The formation of PdSn4, (Pd1−x Cu x )...
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Article
Electrical and structural properties of a Co-sputtered SiO2-Pt composite thin film for an embedded resistor
In this study, SiO2-Pt nano-composite ceramic metal (cermet) was developed to control the resistivity and the temperature coefficient of resistance (TCR). The experiments were conducted under various Ar pressures...
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Article
The deposit stress behavior and magnetic properties of electrodeposited Ni-Co-Fe ternary alloy films
Ni-Co-Fe ternary alloy films were electrodeposited from a sulfate bath. The effects of the saccharin concentration on the deposit stress behavior of these films were investigated. When the saccharin concentrat...
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Article
The effect of an applied magnetic field on the (111) texture of a NiFe layer for perpendicular magnetic recording media
The magnetic properties and the texture of CoPt/Ru/NiFe/Ta films with and without an applied magnetic field were examined during sputter deposition of the NiFe layer. The fcc (111) texture of a magnetically so...
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Article
Measurement of poisson’s ratio of a thin film on a substrate by combining x-ray diffraction with in situ substrate bending
A method to determine Poisson’s ratio of a crystalline thin film on a substrate without sophisticated equipment and/or specimens is presented. The method is based on the combining x-ray diffraction and in situ su...
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Article
Physical properties of transparent conducting indium doped zinc oxide thin films deposited by pulsed DC magnetron sputtering
Transparent conducting In-doped (1at.%) zinc oxide (IZO) thin films are deposited on glass substrate by bipolar pulsed DC magnetron sputtering. We have investigated the effect of pulse frequency on the physica...
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Article
Intermetallic compound layer formation between Sn–3.5 mass %Ag BGA solder ball and (Cu, immersion Au/electroless Ni–P/Cu) substrate
The growth kinetics of intermetallic compound layers formed between eutectic Sn–3.5Ag BGA (ball grid array) solder and (Cu, immersion Au/electroless Ni–P/Cu) substrate by solid-state isothermal aging were exam...
