Journal ArticleDOI
Ferroelectric phase transition in Pb0.92Gd0.08(Zr0.53Ti0.47)0.98O3 nanoceramic synthesized by high-energy ball milling
TLDR
The nanocrystalline Gd-doped lead titanium zirconate (PGZT) with the composition Pb092Gd008(Zr053Ti047)098O3 has been synthesized by a combination of high-energy ball milling [mechanical alloying (MA)] and sintering.Abstract:
The nanocrystalline Gd-doped lead titanium zirconate (PGZT) with the composition Pb092Gd008(Zr053Ti047)098O3 has been synthesized by a combination of high-energy ball milling [mechanical alloying (MA)] and sintering PGZT prepared by MA followed by high-temperature sintering has a higher dielectric constant compared to that of the conventional technique PGZT shows a nonrelaxor ferroelectric behavior but has diffuse ferroelectric–paraelectric phase transition The activation energy of the material was found sensitive to its crystallite sizeread more
Citations
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Progress in synthesis of ferroelectric ceramic materials via high-energy mechanochemical technique
TL;DR: In this article, the authors present an overview of the recent progress in the synthesis of ferroelectric ceramic powders using various high-energy milling techniques, including direct synthesis of nano-sized powders with better sinterability.
Journal ArticleDOI
Effect of grain size on dielectric and ferroelectric properties of nanostructured Ba 0.8 Sr 0.2 TiO 3 ceramics
TL;DR: In this paper, the effect of grain size on dielectric and ferroelectric properties of barium strontium titanate (Ba0.8Sr0.2TiO3, BST) nanocrystalline ceramics has been studied.
Journal ArticleDOI
Molecular aspects of core-shell intrinsic defect induced enhanced antibacterial activity of ZnO nanocrystals.
Suresh K. Verma,Ealisha Jha,Pritam Kumar Panda,Jugal Kishore Das,Arun Thirumurugan,Mrutyunjay Suar,S. K. S. Parashar +6 more
TL;DR: Synthesized nano ZnO exhibit size-dependent antibacterial action as consequences of interactions with cell membrane proteins via hydrogen bond interaction with amino acid residues followed by internalization, membrane depolarization and induction of reactive oxygen species generation.
Journal ArticleDOI
A brief review of the effect of grain size variation on the electrical properties of BaTiO3-based ceramics
Hamid Ghayour,Majid Abdellahi +1 more
TL;DR: In this article, a brief report of the effect of grain size on the electrical properties of the BaTiO3-based ceramics, which are extensively used materials in electrical industries, is presented for the first time.
Journal ArticleDOI
Altered physiochemical properties in industrially synthesized ZnO nanoparticles regulate oxidative stress; induce in vivo cytotoxicity in embryonic zebrafish by apoptosis
TL;DR: The mechanism of cytotoxicity in exposed embryonic Zebrafish as an effect of accumulation and internalization inside cells instigating to generation of hypoxic condition and interference with the normal adaptive stress regulation signaling pathways leading towards enhanced apoptosis is revealed.
References
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Book
Elements of X-ray diffraction
TL;DR: In this article, the authors present a chemical analysis of X-ray diffraction by Xray Spectrometry and phase-diagram Determination of single crystal structures and phase diagrams.
Book
X-ray diffraction procedures for polycrystalline and amorphous materials
Harold P. Klug,Leroy Alexander +1 more
Journal ArticleDOI
Dependence of the Crystal Structure on Particle Size in Barium Titanate
TL;DR: In this article, the effect of the sample particle size on the crystal structure and the Curie temperature of BaTiO/sub 3/ powder investigated in the particle size range 0.1 to 1.0 {mu}m was discussed.
Journal ArticleDOI
Novel materials synthesis by mechanical alloying/milling
B.S. Murty,S. Ranganathan +1 more
TL;DR: In this article, an account is given of the research that has been carried out on mechanical alloying/milling (MA/MM) during the past 25 years, highlighting the success of MA in producing ODS alloys with better high temperature capabilities in comparison with other processing routes.