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Nickel hydroxide represents a technologically important material for energy storage, such as hybrid supercapacitors. It has two different crystallographic polymorphs, α‐ and β‐Ni(OH)2, showing advantages in either theoretical capacity or cycling/rate performance, manifesting a trade‐off trend that needs to be optimized for practical applications. Here, the synergistic superiorities in both activity...
The single domain insulator‐to‐metal transition in VO2 nanobeam triggered by coupling Joule heating and external strain is utilized to fabricate the high performance electromechanical switch, which can be controlled by stretching or compressing the substrate, and the device has the potential application in high sensitivity strain monitor and micro/nano‐systems action control such as dynamic logic...
We demonstrate the piezoelectric effect on the responsivity of a metal-semiconductor-metal ZnO micro-/nanowire photodetector. Piezo-phototronic effect can enhance the detection sensitivity more than fivefold for pW levels light detection.
In this paper, the free vibrations of incomplete toroidal shells with different meridional boundary conditions are studied based on the linear Flugge thin shell theory. The cross-section of toroidal shells is assumed to be a closed circle. The circumferential modes are represented by a series of trigonometric functions and the meridional modes are expressed as a combination of beam functions which...
We present theoretical results regarding the hole mobility in Ge, GaAs, InGaAs, InSb and GaSb p-channels with SiO2 insulator. The valence subband structure is calculated self-consistently within the framework of a six-band k . p and finite-difference methods. Various scattering processes, non-polar (NP) phonon scattering (acoustic and optical), longitudinal-optical (LO) phonon scattering (Frohlich...
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