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Article
Comments on “Electromagnetic interference (EMI) shielding effectiveness (SE) of pure aluminum: an experimental assessment for 5G (SUB 6GHZ)”
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Article
Electrical-Connection-Related Stray Inductance Causing Overassessment of the Electrical Resistance Measured by Using the Two-Probe Method
Electrical resistance measurement is central to materials characterization, circuit analysis and resistance-based sensing. Resistance measurement involving the two-probe method (involving two electrical connec...
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Article
Introducing solder-based electronics, with solder functioning as resistor, capacitor, and power source
This paper introduces solder-based electronics, wherein solder functions as low-resistance (mΩ) resistor, low-capacitance (pF, permittivity-based) capacitor, and low-voltage (μV, electret-based) power source, ...
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Article
A review to elucidate the multi-faceted science of the electrical-resistance-based strain/temperature/damage self-sensing in continuous carbon fiber polymer-matrix structural composites
This critical review provides the first coherent elucidation of the science behind electrical-resistance-based strain/damage/temperature self-sensing in continuous carbon fiber polymer-matrix composites, which...
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Article
Correction to: New concept of electret-based capacitance, as shown for solder and other conductors
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Article
New concept of electret-based capacitance, as shown for solder and other conductors
An electret refers to a permanent electric dipole. Nonconductive electrets (polymers and ceramics) have long been studied and utilized, but conductive electrets (metals and carbons) are emerging. This paper in...
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Article
Pitfalls in Piezoresistivity Testing
The field of piezoresistivity (the effect of strain/stress on the electrical resistivity of a material) has been growing exponentially since 1990, with the growth being particularly sharp since 2015, due to th...
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Article
Pyropermittivity as an emerging method of thermal analysis, with application to carbon fibers
Pyropermittivity refers to the effect of temperature on the electric permittivity of a material. It is an emerging thermoanalytical method that is relevant to materials characterization, capacitance-based temp...
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Article
Dielectric Behavior of an Electrically Conductive Metal-Particle Thick Film
Electrically conductive metal-particle thick films made from paints upon volatile component evaporation are widely used for electrical contacts and interconnections. Prior work on the electrical behavior of th...
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Article
Pitfalls in Electromagnetic Skin-Depth Determination
Skin depth is a fundamental material property that governs the electromagnetic behavior of materials. Unfortunately, there are significant and common pitfalls in the analysis of the experimental results on ele...
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Article
Pitfalls and Methods in the Measurement of the Electrical Resistance and Capacitance of Materials
The measurement of electrical resistance, capacitance and impedance is central to the electrical characterization of materials, whether the materials are in bulk, thick film or thin film forms. However, there ...
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Article
Effect of water on the dielectric behavior of solder
The electrical conduction behavior of solder is well-known, but the dielectric behavior has been reported only recently. Water in the environment commonly affects electronics performance. This work provides th...
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Article
Dielectric behavior discovered in electrically conductive thick film
Electrically conductive thick films are used for electrical interconnections in electronic packaging. They also serve as functional coatings for materials and structures. Although the conduction behavior has l...
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Article
Electret behavior discovered in solder, specifically tin–silver
An electret is a permanent electric dipole exhibited by a material. This work provides the first report of the electret behavior of a solder, which is Sn–4Ag in the form of a fluxless unpoled wire of diameter ...
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Article
First report of the ferroelectric behavior of a metal, as shown for solder
Ferroelectric behavior is well known for nonconductive dielectrics. This work provides the first report of this behavior in a metal, specifically a solder (Sn–4Ag), which is highly conductive. As required for ...
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Article
Correction to: Electric polarization and depolarization of solder, and their effects on electrical conduction
The authors regret a numerical error in calculating the fraction of electrons that participate in the polarization.
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Article
Radio-wave absorption by aluminum and its dependence on the absorption distance
The absorption of radio wave is relevant to electromagnetic interference (EMI) shielding and low observability. The effect of the absorption distance much above the calculated skin depth on the absorption of r...
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Article
Absorption-dominant radio-wave attenuation loss of metals and graphite
Absorption-dominant radio-wave (0.2–2.0 GHz) attenuation loss is comparatively reported for materials of high electrical conductivity, namely metals (aluminum and steel) and graphite. These materials exhibit s...
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Article
Electric polarization and depolarization of solder, and their effects on electrical conduction
This work provides the first report of the effect of the dielectric behavior on the conduction behavior of solder. The lead-free solder studied contains 96 wt% tin and 4 wt% silver. The electric polarization s...
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Article
Effect of the cooling rate in solidification on the electrical behavior of solder
Solder is widely used for electrical interconnections in electronics, and its use involves the melting and subsequent solidification of the solder. This paper reports for the first time the effect of the cooli...
