9 Result(s)
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Article
Open AccessWeave-pattern-dependent fabric piezoelectric pressure sensors based on polyvinylidene fluoride nanofibers electrospun with 50 nozzles
Wearable pressure sensors having versatile device structures have been extensively investigated to achieve high sensitivity under mechanical stimuli. Here, we introduce piezoelectric pressure sensors based on ...
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Article
Sintering and optical properties of transparent ZnS ceramics by pre-heating treatment temperature
The main objective of our work is to increase transmittance in the mid infrared region by removing impurities through the pre-heating treatment of zinc sulfide (ZnS) produced by hydrothermal synthesis. The pre...
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Article
Fabrication and testing of high performance acoustic emission sensor with Ta-Doped lead zirconate titanate
The piezoelectric and dielectric properties of ceramics containing Pb(Zr0.54Ti0.46) O3 + 0.2 wt.% Cr2O3 + x wt.% Ta2O5, where x = 0.0 to 5.0, were investigated for the development of a high performance acoustic e...
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Article
IPMC actuators based on metal–Nafion™ composite films prepared by thermal decomposition of noble metal complexes
A simple and highly efficient compositing process was developed by synthesizing Pt or Pd nanoparticles embedded in polymers (Nafion™) with uniform distribution by in situ thermal decomposition of noble metal c...
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Article
Energy harvesting characteristics of unimorph cantilever generator using 0.69Pb(Zr0.47Ti0.53)O3-0.31Pb(Ni0.6Zn0.4)1/3Nb2/3)O3 + 0.5 mol% CuO (PZCN) thick films under various sintering conditions
A 0.69Pb(Zr0.47Ti0.53)O3-0.31Pb(Ni0.6Zn0.4)1/3Nb2/3)O3 +0.5 mol% CuO (PZCN) thick films were investigated for potential use in energy harvesting device applications. The PZCN thick films were fabricated by a conv...
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Article
Admittance spectroscopy and electrical properties of Co3O4-doped ZnO
The varistor characteristics of 0.1–3.0 at. % Co-doped ZnO have been investigated. Three kinds of deep bulk trap levels of 0.16, 0.25, and ~0.31 eV were identified as donor levels by admittance spectroscopy. O...
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Article
Positive temperature coefficient of resistance effect in Na2Ti6O13-doped 0.94BaTiO3–0.06(Bi0.5Na0.5)TiO3 ceramics
The positive temperature coefficient of resistance (PTCR) characteristics of Na2Ti6O13 (NT)-doped 0.94BaTiO3–0.06(Bi0.5Na0.5)TiO3 (BBNT) ceramics were investigated in order to evaluate the effect of NT as a new a...
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Article
Photoluminescence and photocurrent characteristics of Eu2 + activated MAl2O4 (M = Ba, Ca, Sr) phosphors
Photoluminescence and photocurrent characteristics of Eu2 + activated MAl2O4 (M = Ba, Ca, Sr) phosphors during and after Ultraviolet ray and visible light irradiation have been investigated. The photoluminescence...
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Article
Effect of B2O3 and CuO on the sintering temperature and microwave dielectric properties of the BaTi4O9 ceramics
The effect of B2O3 and CuO on the sintering temperature and microwave dielectric properties of BaTi4O9 ceramics was investigated. The BaTi4O9 ceramics were able to be sintered at 975∘C when B2O3 was added. This d...
