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Bismuth Sodium Titanate Based Materials for Piezoelectric Actuators [PDF]

open access: yesMaterials, 2015
The ban of lead in many electronic products and the expectation that, sooner or later, this ban will include the currently exempt piezoelectric ceramics based on Lead-Zirconate-Titanate has motivated many research groups to look for lead-free substitutes.
Klaus Reichmann   +2 more
exaly   +5 more sources

BiFeO3-BaTiO3: A new generation of lead-free electroceramics [PDF]

open access: yesJournal 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

Ultrahigh Electrostrictive Effect in Lead-Free Sodium Bismuth Titanate-Based Relaxor Ferroelectric Thick Film [PDF]

open access: yesNanomaterials
In recent years, the development of environmentally friendly, lead-free ferroelectric films with prominent electrostrictive effects have been a key area of focus due to their potential applications in micro-actuators, sensors, and transducers for ...
Yizhuo Li   +11 more
doaj   +2 more sources

Photo-sono activated BNT@MoS2 composites for rapid eradication of breast cancer [PDF]

open access: yesHeliyon
Non-invasive external energy triggered efficient tumor therapy is a promising specific treatment strategy. Herein, a composite material of bismuth sodium titanate (BNT) and molybdenum disulfide (MoS2) with piezoelectric effect was designed for the ...
Rong Li   +6 more
doaj   +2 more sources

Ultra-high energy storage in relaxor ferroelectric MLCCs at elevated temperatures via entropy modulated strain heterogeneity [PDF]

open access: yesNature Communications
Multilayer ceramic capacitors are pivotal components in pulse power systems due to their ultra-high power density. However, given the demanding service conditions in aerospace and oil drilling applications, the need to enhance high-temperature energy ...
Ruirui Kang   +14 more
doaj   +2 more sources

High strain lead-free piezo ceramics for sensor and actuator applications: A review

open access: yesSensors International, 2023
High strain piezoceramics are required for various sensor and actuator applications such as opening and closing of valves in fuel injector systems, for controlled flow of fuel in automobiles, applications for micro-propulsion in satellites, and other ...
P.K. Panda, B. Sahoo, T.S. Thejas
doaj   +1 more source

Study on vibrational Raman modes and electric properties of lead-free sodium bismuth titanate – bismuth magnesium zirconate piezoelectric ceramics

open access: yesChemical Physics Impact, 2023
Raman spectra of lead- free piezoelectric sodium bismuth titanate-bismuth magnesium zirconate (1-x)(Na0.5Bi0.5)TiO3-xBi(Mg0.5Zr0.5)O3 [NBT-BMZ] ceramics are recorded and analyzed.
D.E. Jain Ruth
doaj   +1 more source

Lead-free piezoelectric materials and ultrasonic transducers for medical imaging [PDF]

open access: yesJournal of Advanced Dielectrics, 2015
Piezoelectric materials have been vastly used in ultrasonic transducers for medical imaging. In this paper, firstly, the most promising lead-free compositions with perovskite structure for medical imaging applications have been reviewed.
Elaheh Taghaddos   +2 more
doaj   +1 more source

Impact of process conditions on chemical solution deposited BNKT thin film electromechanical properties

open access: yesSN Applied Sciences, 2021
Phase pure perovskite (1-x)Bi1/2Na1/2TiO3 – xBi1/2K1/2TiO3 (BNKT) thin films were successfully prepared via an inverse mixing order chemical solution deposition method and the impact of process conditions on film properties were observed.
Kyle M. Grove   +5 more
doaj   +1 more source

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