Results 11 to 20 of about 2,110,316 (348)

Temperature Dependent Piezoelectric Properties of Lead-Free (1-x)K0.6Na0.4NbO3–xBiFeO3 Ceramics [PDF]

open access: yes, 2020
(1-x)K0.4Na0.6NbO3–xBiFeO3 lead-free piezoelectric ceramics were successfully prepared in a single perovskite phase using the conventional solid-state synthesis.
Feteira, Antonio   +6 more
core   +3 more sources

Improving performance and stability of silver bismuth iodide solar cells using carbon nanotubes in the hole transport layer [PDF]

open access: yesProgress in Physics of Applied Materials, 2022
Silver bismuth iodide (SBI) materials are low-toxic, air-stable, and suitable for replacing lead-based perovskite ones. In this work, the photovoltaic characteristics of SBI-based solar cells with different hole transport layers (HTL) were investigated ...
Sekineh Hoseini, Mehdi Adelifard
doaj   +1 more source

Evaluation of meaningful change in bowel movement frequency for patients with carcinoid syndrome

open access: yesJournal of Patient-Reported Outcomes, 2019
Background Carcinoid syndrome is associated with a reduced quality of life that can be attributed to symptoms such as diarrhea and fatigue as well as social and financial issues.
Stacie Hudgens   +11 more
doaj   +1 more source

Piezoelectric Nanogenerator Based on Lead-Free Flexible PVDF-Barium Titanate Composite Films for Driving Low Power Electronics

open access: yesCrystals, 2021
Self-powered sensor development is moving towards miniaturization and requires a suitable power source for its operation. The piezoelectric nanogenerator (PENG) is a potential candidate to act as a partial solution to suppress the burgeoning energy ...
Manisha Sahu   +5 more
doaj   +1 more source

Lead-Free High-Quality Glass for Assorted Glassware [PDF]

open access: yes, 2013
Data on the synthesis of lead-free glass for assorted glassware are presented. Glasses in the system SiO[2]–SnO[2]–BaO–CaO–Na[2]O–K[2]O with 2 – 10% SnO[2] are studied.
Bobkova, N. M.   +2 more
core   +1 more source

Effects of Bismuth on the Microstructure, Properties, and Interfacial Reaction Layers of Sn-9Zn-xBi Solders

open access: yesMetals, 2021
In electronic packaging, Sn-Zn lead-free solder has great application prospects. Sn-9Zn-xBi alloys were obtained by smelting. This paper details a systematic study of the effect of Bi on the microstructure, melting behavior, wettability, mechanical ...
Yan Zhi Peng   +7 more
doaj   +1 more source

Evolving morphotropic phase boundary in lead-free (Bi1/2Na1/2)TiO3–BaTiO3 piezoceramics [PDF]

open access: yes, 2011
The correlation between structure and electrical properties of lead-free (1-x)(Bi(1/2)Na(1/2))TiO(3)-xBaTiO(3) (BNT-100xBT) polycrystalline piezoceramics was investigated systematically by in situ synchrotron diffraction technique, combined with ...
Damjanovic, Dragan   +7 more
core   +4 more sources

Direct measurement of electrocaloric effect in lead-free Ba(SnxTi1-x)O3 ceramics [PDF]

open access: yes, 2017
In this study, we report on investigation of the electrocaloric (EC) effect in lead-free Ba(SnxTi1-x)O3 (BSnT) ceramics with compositions in the range of 0.08 ≤ x ≤ 0.15 by the direct measurement method using a differential scanning calorimeter.
Dkhil, Brahim   +6 more
core   +4 more sources

The Effect Of Void Formation On The Reliability Of ED-XRF Measurements In Lead-Free Reflow Soldering

open access: yesArchives of Metallurgy and Materials, 2015
In lead-free reflow soldering, the presence of voids should be taken into account. For this reason, the effect of the applied heating profiles was examined via the characterization of voids in galvanic and immersion Sn coatings. According to EU Directive
Koncz-Horváth D., Gergely G., Gácsi Z.
doaj   +1 more source

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