Results 41 to 50 of about 126,316 (253)
p-type/n-type behaviour and functional properties of KxNa (1-x)NbO3 (0.49 <= x <= 0.51) sintered in air and N2 [PDF]
, 2018 Potassium sodium niobate (KNN) is a potential candidate to replace lead zirconate titanate in sensor and actuator applications but there are many fundamental science and materials processing issues to be understood before it can be used commercially ...
Hussain, Fayaz +4 more
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Ultra-large electric field–induced strain in potassium sodium niobate crystals [PDF]
Science Advances, 2020 An ultrahigh electric field–induced strain of 0.9% (under 1 kV mm −1 ) is achieved in lead-free ferroelectric crystals.
Chengpeng Hu +12 more
openaire +3 more sources
Lead-free potassium sodium niobate piezoceramics for high-power ultrasonic cutting application: Modelling and prototyping [PDF]
Processing and Application of Ceramics, 2019 The motivation of this study was design, fabrication and characterization of bolt-clamped Langevin type transducers (BLT) from lead-free K0.5Na0.5NbO3 (KNN) based piezoceramics for high-power ultrasonic cutting applications.
Erdem Akça, Hüseyin Yılmaz
doaj +1 more source
Sonoepigenetic Modification Mechanoprimes Early Osteogenic Commitment in Mesenchymal Stem Cells. [PDF]
Adv Sci (Weinh)Brief 10 min bursts of high frequency (10 MHz) vibrational mechanostimulation to stem cells are shown to activate their epigenetic machinery to condition their differentiation down an osteogenic lineage within just 3 days, which is much earlier than that with other forms of mechanostimuli, and without requiring any biochemical additives. Abstract Cells
Ambattu LA +3 more
europepmc +2 more sources
Materials & Design, 2023 K0.5Na0.5NbO3 (KNN) is as a relevant lead-free piezoelectric material due to its piezoelectric performance and a high Curie temperature. Although high-sintering temperature is required for obtaining dense KNN ceramics, it favours alkalis volatilization ...
Anna Włódarkiewicz +2 more
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Grinding methods effects on the synthesis of Potassium-Sodium Niobate powders by oxide mixing
TecnoLógicas, 2019 Piezoelectric materials are widely used in electronic devices and, traditionally, various lead-based materials have been implemented in such applications. However, because of the damage caused by lead, other materials with similar characteristics that do
María C. Quintero +4 more
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Photorefractive light needles in glassy nanodisordered KNTN [PDF]
, 2014 We study the formation of 2D self-trapped beams in nanodisordered potassium-sodium-tantalate-niobate (KNTN) cooled below the dynamic glass transition. Supercooling is shown to accelerate the photorefractive response and enhance steady-state anisotropy ...
A. J. Agranat +5 more
core +1 more source
Phase and morphology evolution of (Na1-xKx)NbO3 powders related to calcinations and K2CO3 content [PDF]
Songklanakarin Journal of Science and Technology (SJST), 2007 Sodium-potassium niobate ((Na1-xKx)NbO3) powders with x = 0.2, 0.4, 0.6 and 0.8 were prepared following the conventional mixed oxide method and characterized by TG-DTA, XRD and SEM techniques.The effects of calcination temperature, dwell time and K2CO3 ...
Steven J. Milne +3 more
doaj
Boletín de la Sociedad Española de Cerámica y Vidrio, 2016 Lithium doped potassium sodium niobate ceramics with (K0.50−x/2Na0.50−x/2Lix)NbO3 composition where x = 0.04 and 0.07 were fabricated by solid state calcination and pressureless sintering methods.
Ebru Mensur-Alkoy, Ayse Berksoy-Yavuz
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Journal of Advanced Dielectrics, 2021 The effect of sintering condition on structure, microstructure, and ferroelectric properties of (K0.44Na0.52Li0.04) (Nb0.86Ta0.10Sb0.04)- O3 (KNL–NTS) has been investigated.
J. A. Cortés +6 more
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