Electrically tunable dielectric materials and strategies to improve their performances

LB Kong, S Li, TS Zhang, JW Zhai, FYC Boey… - Progress in Materials …, 2010 - Elsevier
Electrically tunable dielectric materials have potential applications as various microwave
devices, such as tunable oscillators, phase shifters and varactors. High dielectric tunability …

Review of Ag (Nb, Ta) O3 as a functional material

M Valant, AK Axelsson, N Alford - Journal of the European Ceramic Society, 2007 - Elsevier
Recent research activities on functional properties and applications of Ag (Nb, Ta) O3-based
materials are reviewed and critically discussed. Fundamental aspects of these materials …

Electrically tunable materials for microwave applications

A Ahmed, IA Goldthorpe, AK Khandani - Applied Physics Reviews, 2015 - pubs.aip.org
Microwave devices based on tunable materials are of vigorous current interest. Typical
applications include phase shifters, antenna beam steering, filters, voltage controlled …

[HTML][HTML] Lead-free antiferroelectric AgNbO3: phase transitions and structure engineering for dielectric energy storage applications

J Gao, Q Li, S Zhang, JF Li - Journal of Applied Physics, 2020 - pubs.aip.org
The development of electronic materials for storing electrical energy is a thriving research
field, where the materials used in batteries, supercapacitors, and dielectric capacitors have …

Achieving a high energy storage density in Ag(Nb,Ta)O3 antiferroelectric films via nanograin engineering.

H Cheng, Z Xiao, J Ouyang, L Zheng… - Journal of …, 2023 - search.ebscohost.com
Due to its lead-free composition and a unique double polarization hysteresis loop with a
large maximum polarization (Pmax) and a small remnant polarization (Pr), AgNbO< sub> 3 …

[HTML][HTML] Enhanced energy storage performance in Ag (Nb, Ta) O3 films via interface engineering

X Zhai, J Ouyang, W Kuai, Y Xue, K Wang, N Luo… - Journal of …, 2025 - Elsevier
Dielectric capacitors with ultrahigh power density and ultra-fast charge/discharge rate are
highly desired in pulse power fields. Environmental-friendly AgNbO 3 family have been …

Silver solid solution piezoelectrics

I Grinberg, AM Rappe - Applied physics letters, 2004 - pubs.aip.org
Using density functional theory calculations, we investigate the feasibility of using silver on
the perovskite A-site in high-performance lead-free piezoelectrics. The calculations show …

[HTML][HTML] Synthesis of crystalline silver niobate thin films opening pathways for future process development

L Kölbl, C Mitterer, R Franz - Vacuum, 2023 - Elsevier
Due to its high energy storage density at room temperature, silver niobate (AgNbO 3) is one
of the most promising lead-free dielectric perovskites for energy storage applications. In this …

Ferroelectric and antiferroelectric properties of AgNbO3 films fabricated on (001),(110), and (111) SrTiO3 substrates by pulsed laser deposition

H Sakurai, S Yamazoe, T Wada - Applied Physics Letters, 2010 - pubs.aip.org
We fabricated 001, 110, and 111 oriented AgNbO 3 (AN) films on (001) SrTiO 3 (STO),(110)
STO, and (111) STO substrates by pulsed laser deposition, respectively. Scanning electron …

Oxygen transport during formation and decomposition of AgNbO3 and AgTaO3

M Valant, AK Axelsson, B Zou, N Alford - Journal of materials …, 2007 - cambridge.org
A thermogravimetric method was used to analyze intermediate processes involved in the
formation and decomposition of AgNbO3and AgTaO3perovskites. Critical parameters that …