Blocking of Conducting Channels Widens Window for Ferroelectric Resistive Switching in Interface‐Engineered Hf 0.5 Zr 0.5 O 2 Tunnel Devices
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202002638
Abstract: Films of Hf0.5Z0.5O2 (HZO) contain a network of grain boundaries. In (111) HZO epitaxial films on (001) SrTiO3, for instance, twinned orthorhombic (o-HZO) ferroelectric crystallites coexist with grain boundaries between o-HZO and a residual paraelectric… read more here.
Keywords: blocking conducting; capping layers; hzo; grain boundaries ... See more keywords
Grain-Boundary-Induced Drastic Sensing Performance Enhancement of Polycrystalline-Microwire Printed Gas Sensors.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201804583
Abstract: The development of materials with high efficiency and stable signal output in a bent state is important for flexible electronics. Grain boundaries provide lasting inspiration and a promising avenue for designing advanced functionalities using nanomaterials.… read more here.
Keywords: grain boundary; boundary induced; induced drastic; sensing performance ... See more keywords
Suppressing Vacancy Defects and Grain Boundaries via Ostwald Ripening for High-Performance and Stable Perovskite Solar Cells.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201904347
Abstract: As one kind of promising next-generation photovoltaic devices, perovskite solar cells (PVSCs) have experienced unprecedented rapid growth in device performance over the past few years. However, the practical applications of PVSCs require much improved device… read more here.
Keywords: ostwald ripening; perovskite solar; suppressing vacancy; performance ... See more keywords
Engineering Grain Boundaries in Two‐Dimensional Electronic Materials
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202203425
Abstract: Engineering the boundary structures in 2D materials provides an unprecedented opportunity to program the physical properties of the materials with extensive tunability and realize innovative devices with advanced functionalities. However, structural engineering technology is still… read more here.
Keywords: materials engineering; grain boundaries; boundaries two; engineering grain ... See more keywords
Observation and Implications of Composition Inhomogeneity Along Grain Boundaries in Thin Film Polycrystalline CdTe Photovoltaic Devices
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Materials Interfaces"
DOI: 10.1002/admi.201900152
Abstract: Leading photovoltaic technologies such as multicrystalline Si, CdTe, Cu(In,Ga)Se2, and lead halide perovskites are polycrystalline, yet achieve relatively high performance. At the moment polycrystalline photovoltaic technologies stand at a juncture where further advances in device… read more here.
Keywords: chemistry; grain boundaries; cdte; along grain ... See more keywords
Sodium Passivation of the Grain Boundaries in CuInSe2 and Cu2ZnSnS4 for High-Efficiency Solar Cells
Sign Up to like & getrecommendations! Published in 2017 at "Advanced Energy Materials"
DOI: 10.1002/aenm.201601457
Abstract: It is well known that sodium at grain boundaries (GBs) increases the photovoltaic efficiencies of CuInSe2 and Cu2ZnSnS4 significantly. However, the mechanism of how sodium influences the GBs is still unknown. Based on the recently… read more here.
Keywords: passivation; dangling bonds; bonds gbs; grain boundaries ... See more keywords
Local Multimodal Electro‐Chemical‐Structural Characterization of Solid‐Electrolyte Grain Boundaries
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202003309
Abstract: Typical models of polycrystalline ionic materials treat the grain boundary properties as single valued, without consideration of the full range of values that define the macroscopically measured average. Here a unique experimental platform suitable for… read more here.
Keywords: grain boundaries; local multimodal; characterization; spectroscopy ... See more keywords
Retrieving Grain Boundaries in 2D Materials.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202205593
Abstract: The coalescence of randomly distributed grains with different crystallographic orientations can result in pervasive grain boundaries (GBs) in 2D materials during their chemical synthesis. GBs not only are the inherent structural imperfection that causes influential… read more here.
Keywords: retrieving grain; grain boundaries; boundaries materials; grain ... See more keywords
The structure and composition of olivine grain boundaries: 40 years of studies, status and current developments
Sign Up to like & getrecommendations! Published in 2018 at "Physics and Chemistry of Minerals"
DOI: 10.1007/s00269-017-0935-9
Abstract: Interfaces in rocks, especially grain boundaries in olivine dominated rocks, have been subject to about 40 years of studies. The grain boundary structure to property relation is fundamental to understand the diverging properties of polycrystalline… read more here.
Keywords: grain boundary; chemistry; structure; composition ... See more keywords
Transport properties of olivine grain boundaries from electrical conductivity experiments
Sign Up to like & getrecommendations! Published in 2018 at "Contributions to Mineralogy and Petrology"
DOI: 10.1007/s00410-018-1468-z
Abstract: Grain boundary processes contribute significantly to electronic and ionic transports in materials within Earth’s interior. We report a novel experimental study of grain boundary conductivity in highly strained olivine aggregates that demonstrates the importance of… read more here.
Keywords: transport properties; conductivity; grain; grain boundaries ... See more keywords
Interface science in JMS
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science"
DOI: 10.1007/s10853-020-04947-2
Abstract: Inasmuch as most crystalline solids we use are polycrystalline, the study of grain boundaries in materials is an important field of research in materials science. A more general term than grain boundaries is interfaces as… read more here.
Keywords: science; interface science; jms; grain boundaries ... See more keywords