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Donor doping of K[sub](0.5)Na[sub](0.5)NbO[sub]3 ceramics with strontium and its implications to grain size, phase composition and crystal structure
Jitka Hreščak, Goran Dražić, M. Deluca, Iztok Arčon, Alojz Kodre, M. Dapiaggi, Tadej Rojac, Barbara Malič, Andreja Benčan
Izvirni znanstveni članek
Oznake: perovskite;potassium sodium niobate;donor doping;cation vacancies;
In this study, the particular effects of A-site donor doping in a lead-free piezoceramic material K0.5Na0.5NbO3 (KNN) doped with Sr2+, i.e., the crystal-structure change, the secondary-phase formation and the grain-size decrease, were investigated. The already-reported causes of these effects upon d ...
Leto: 2017 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Leading by Example
Bob "Brutus" Charette, Jr. , Philip H. Cullom , Peter A. DeLuca , Jonathan Powers , Carnegie Council for Ethics in International Affairs , Carnegie Council for Ethics in International Affairs
Video in druga učna gradiva
Oznake: social sciences;society
: "Leading By Example" will explore how the U.S. military is on the forefront of efforts to develop and implement renewable and clean energy sources both to power our forces and to combat climate change. Our speakers each are leaders in their respective branches and are developing projects that loo ...
Leto: 2011 Vir: videolectures.net
Št. zadetkov: 2
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