Atmosphere-Assisted FLASH Sintering of Nanometric Potassium Sodium Niobate [PDF]
Nanomaterials, 2022 The request for extremely low-temperature and short-time sintering techniques has guided the development of alternative ceramic processing. Atmosphere-assisted FLASH sintering (AAFS) combines the direct use of electric power to packed powders with the ...
Ricardo Serrazina +3 more
doaj +2 more sources
Flexophotovoltaic Effect in Potassium Sodium Niobate/Poly(Vinylidene Fluoride‐Trifluoroethylene) Nanocomposite [PDF]
Advanced Science, 2021 Flexoelectricity is an electromechanical coupling effect in which electric polarization is generated by a strain gradient. In this investigation, a potassium sodium niobite/poly(vinylidene fluoride‐trifluoroethylene) (KNN/PVDF‐TrFE)‐based nanocomposite ...
Chenchen Wang +8 more
doaj +2 more sources
High sound pressure piezoelectric micromachined ultrasonic transducers using sputtered potassium sodium niobate [PDF]
Microsystems & NanoengineeringThis work presents air-coupled piezoelectric micromachined ultrasonic transducers (pMUTs) with high sound pressure level (SPL) under low-driving voltages by utilizing sputtered potassium sodium niobate K0.34Na0.66NbO3 (KNN) films.
Fan Xia +12 more
doaj +2 more sources
Composition Regulation of Potassium Sodium Niobate Thin Films through Post-Annealing under Alkali Element Atmospheres [PDF]
NanomaterialsAmorphous potassium sodium niobate (KNN) films were synthesized at 300 °C through the radio frequency magnetron sputtering method and subsequently crystallized by post-annealing at 700 °C in various alkali element atmospheres (Na and K). The as-deposited
Binjie Chen +9 more
doaj +2 more sources
Lead-Free Potassium Sodium Niobate-Based Wearable Ultrasonic Patches for Blood Pressure Detection [PDF]
MicromachinesUltrasound is one of the most promising methods for blood pressure monitoring due to its harmless, non-invasive, and high-precision characteristics. To further enhance the biocompatibility of ultrasound blood pressure monitors, this work reports wearable
Yajun Sun +8 more
doaj +2 more sources
BiFeO3-BaTiO3: A new generation of lead-free electroceramics [PDF]
Journal of Advanced Dielectrics, 2018 Lead-based electroceramics such as Pb(Zr.Ti)O3 (PZT) and its derivatives have excellent piezoelectric, pyroelectric and energy storage properties and can be used in a wide range of applications.
Dawei Wang +8 more
doaj +5 more sources
Contribution of irreversible non-180° domain to performance for multiphase coexisted potassium sodium niobate ceramics [PDF]
Nature CommunicationsDespite the dominance of lead-based piezoelectric materials with ultrahigh electric-field-induced strain in actuating applications, seeking eco-friendly substitutes with an equivalent performance remains an urgent demand.
Bo Wu +13 more
doaj +2 more sources
Structure and dielectric properties of Ti-doped KNN ceramics
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2023 The work is devoted to investigation of the influence of the technology for producing potassium sodium niobate ceramics with an acceptor impurity Ti4+ on its structure and dielectric properties.
E.V. Barabanova +2 more
doaj +1 more source
Actuators, 2022 In order to realize the construction of environmentally friendly potassium sodium niobate ceramic coating on metal surface, potassium sodium niobate ceramic coating was prepared by supersonic plasma spraying technology.
Longlong Zhou +7 more
doaj +1 more source
Synthesis of potassium–sodium niobate (KNN) from NbO2
Open Ceramics, 2021 KxNa1-xNbO3 (0
Cerem Piskin +3 more
doaj +1 more source