Stress fields of amorphous silica under mode I loading calculated from molecular dynamics with the ReaxFF force field using the atoms‐to‐continuum method. Photo Credit: Jessica Rimsza, Reese Jones, and Louise Criscenti from Sandia National Laboratories, Albuquerque, NM, United States. DOI: 10.1111/jace.15292
Pictures of Professors Robert E. Newnham and L. Eric Cross, both of the Pennsylvania State University. These gentlemen were for many years, the core of the US community on ferroelectric materials.
SEM images of KNN‐BCuN and KNN–CCuN ceramics. Rahman, A., et al. Seed crystal of modified potassium sodium niobate prepared by simple molten salt synthesis. DOI: 10.1111/jace.15253
Cover Photograph: Silicon oxycarbides are materials with exciting structural and functional properties and have received increased attention in the glass and ceramic community within the last two decades. Picture credit to Christina Stabler and Emanuel Ionescu. DOI: 10.1111/jace.15932 .
Sub‐threshold and post‐threshold indentations in silicon. See feature article, “The Compelling Case for Indentation as a Functional Exploratory and Characterization Tool,” by Marshall et al. Micrograph courtesy Brian R Lawn.
COVER PHOTOGRAPH: Monoclinic pure ZrO2 flash‐sintered compact (A) and SEM images of fixing a needle onto a fractured surface of the compact (B) and picked up grains with a needle (C) and the grain surface (D) by FIB‐SEM. From Morisaki et al. Intergranular amorphous films formed by DC electric field in pure zirconia. DOI: 10.1111/jace.15485 .
Bright field image of a unipolar fatigued Bi0.5Na0.5TiO3‐6BaTiO3 lead‐free ceramic. See Feature Article, “Electric Fatigue of Lead‐free Piezoelectric Materials,” by Julia Glaum and Mark Hoffman. Micrograph courtesy of Dr. Ljubomira Ana Schmitt from the Institute of Materials Science, Technische Universität Darmstadt, Germany.
Schematic image showing the preparation of ZnO nanorods and ZnO/ZnS core‐shell nanorods on the FTO substrate. “Sonochemical Synthesis of ZnO‐ZnS Core‐Shell Nanorods for Enhanced Photoelectrochemical Water Oxidation” by Se Young Cheon, Jae‐Sik Yoon, Kyung Hee Oh, Kyu Yeon Jang, Jong Hyeok Seo, Joon Yong Park, Sang‐Il Choi, Won Seok Seo, Gaehang Lee, and Ki Min Nam. Cover image courtesy of Kyung Hee Oh.
Cover Photograph: Top‐left: SEM‐EDS analysis in line‐scan mode across the cross section at BZCY‐containing anode|GDC electrolyte interface. Top‐middle: Schematic diagram of the metal ion diffusion mechanism at BZCY‐containing anode|GDC electrolyte interface. Top‐right: OCV values of some typical DCO‐based SOFCs with or without electron‐blocking layers. Bottom‐left: TEM image of the grain from NiO‐BZCY|GDC foam|NiO‐BZCY. Bottom‐middle: EDS results in line‐scan mode of the grain from NiO‐BZCY|GDC foam|NiO‐BZCY. Bottom‐right: HRTEM image of the grain obtained from NiO‐BZCY|GDC foam|NiO‐BZCY.
