منابع مشابه
Boron-nitride and aluminum-nitride "Pringles" and flapping motion.
Motivated by the recent successful synthesis of a new nanocarbon, namely, a warped, double-concave graphene "Pringle" (Nat. Chem., 2013, 5, 739), we investigate properties of warped boron-nitride (BN) and aluminum-nitride (AlN) analogues, i.e., the non-planar B40N40H30 and Al40N40H30 "Pringles" using density functional theory (DFT) calculations. Particular attention is placed on the effect of n...
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Air-coupled piezoelectric micromachined ultrasound transducer arrays, operating at ~190 kHz, have been fabricated utilizing an aluminum nitride piezoelectric layer. Improved fabrication processes have reduced the frequency variation seen in our previous work with single transducers resulting in arrays of transducers with resonant frequencies (fn) that match within the fractional half-power band...
متن کاملDesign of Piezoelectric Aluminum Nitride MEMS Resonator
The following work reports the design, numerical, analytical and simulation characterization of an Aluminum Nitride MEMS resonator. The paper offers a comparison of rectangular plate MEMS resonator (length extensional and width extensional mode shapes) and ring shape MEMS resonator. It also demonstrates the contour Eigen modes of resonators and their equivalent electric circuit model (BVD). Fur...
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The shortest-wavelength color of light that is visible to the human eye is violet. As shown in Fig. 1, light with wavelengths shorter than 400 nm is called ultraviolet (UV) light: that from 300 to 400 nm is called near-UV light, that from 200 to 300 nm is called deep-UV light, and that shorter than 200 nm is called vacuum-UV light. Since vacuum-UV is absorbed by air, deep-UV light is the shorte...
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High-frequency, high-power semiconductor devices are widely used in electric vehicles, medical equipment, home appliances, and communication equipment. Recently, there has been a growing demand for semiconductors that have such characteristics as high withstand voltage, high speed and high-temperature operation, low power consumption and radiation resistance. To meet this demand, silicon carbid...
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ژورنال
عنوان ژورنال: SHINKU
سال: 1966
ISSN: 0559-8516,1880-9413
DOI: 10.3131/jvsj.9.183