Direct Observation of Inherent Atomic-Scale Defect Disorders responsible for High-Performance Ti1-x Hfx NiSn1-y Sby Half-Heusler Thermoelectric Alloys.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201702091
Abstract: Structural defects often dominate the electronic- and thermal-transport properties of thermoelectric (TE) materials and are thus a central ingredient for improving their performance. However, understanding the relationship between TE performance and the disordered atomic defects… read more here.
Keywords: ti1 hfx; nisn1 sby; hfx nisn1; atomic scale ... See more keywords
The Atomic Circus: Small Electron Beams Spotlight Advanced Materials Down to the Atomic Scale.
Sign Up to like & getrecommendations! Published in 2018 at "Advanced materials"
DOI: 10.1002/adma.201802402
Abstract: Defects in crystalline materials have a tremendous impact on their functional behavior. Controlling and tuning of these imperfections can lead to marked improvements in their physical, electrical, magnetic, and optical properties. Thanks to the development… read more here.
Keywords: circus small; materials atomic; advanced materials; atomic circus ... See more keywords
Atomic-Scale Observation of Electrochemically Reversible Phase Transformations in SnSe2 Single Crystals.
Sign Up to like & getrecommendations! Published in 2018 at "Advanced materials"
DOI: 10.1002/adma.201804925
Abstract: 2D materials have shown great promise to advance next-generation lithium-ion battery technology. Specifically, tin-based chalcogenides have attracted widespread attention because lithium insertion can introduce phase transformations via three types of reactions-intercalation, conversion, and alloying-but the… read more here.
Keywords: phase; phase transformations; scale observation; snse2 single ... See more keywords
Enabling Atomic-Scale Imaging of Sensitive Potassium Metal and Related Solid Electrolyte Interphases Using Ultralow-Dose Cryo-TEM.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202102666
Abstract: Potassium-based solid electrolyte interphases (SEIs) have a much smaller damage threshold than their lithium counterpart; thus, they are significantly more beam sensitive. Here, an ultralow-dose cryogenic transmission electron microscopy (cryo-TEM) technique (≈8 e Å-2 s-1… read more here.
Keywords: potassium; solid electrolyte; electrolyte interphases; cryo tem ... See more keywords
Local Coordination Regulation through Tuning Atomic‐Scale Cavities of Pd Metallene toward Efficient Oxygen Reduction Electrocatalysis
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202202084
Abstract: Moderate adsorption of oxygenated intermediates takes a significant role in rational design of high‐efficiency oxygen reduction reaction (ORR) electrocatalysts. Long‐serving as a reliable strategy to tune geometric structure of nanomaterials, defect engineering enjoys the great… read more here.
Keywords: oxygen reduction; toward efficient; atomic scale; scale cavities ... See more keywords
Atomic‐Scale Observation of Grain Boundary Dominated Unsynchronized Phase Transition in Polycrystalline Cu2Se
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202205715
Abstract: Phase transition is a physical phenomenon that attracts great interest of researchers. Although the theory of second‐order phase transitions is well‐established, their atomic‐scale dynamics in polycrystalline materials remains elusive. In this work, second‐order phase transitions… read more here.
Keywords: atomic scale; phase transition; phase transitions; phase ... See more keywords
Atomic‐Scale Study of Metal–Oxide Interfaces and Magnetoelastic Coupling in Self‐Assembled Epitaxial Vertically Aligned Magnetic Nanocomposites
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Materials Interfaces"
DOI: 10.1002/admi.201900549
Abstract: Vertically aligned nanocomposites (VANs) of metal/oxide type have recently emerged as a novel class of heterostructures with great scientific and technological potential in the fields of nanomagnetism, multiferroism, and catalysis. One of the salient features… read more here.
Keywords: self assembled; spectroscopy; atomic scale; vertically aligned ... See more keywords
Atomistic Engineering of Phonons in Functional Oxide Heterostructures
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202103403
Abstract: Engineering of phonons, that is, collective lattice vibrations in crystals, is essential for manipulating physical properties of materials such as thermal transport, electron‐phonon interaction, confinement of lattice vibration, and optical polarization. Most approaches to phonon‐engineering… read more here.
Keywords: atomic scale; phonon; engineering phonons; atomistic engineering ... See more keywords
Uncovering Atomic‐Scale Stability and Reactivity in Engineered Zinc Oxide Electrocatalysts for Controllable Syngas Production
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202001381
Abstract: In this study, scalable, flame spray synthesis is utilized to develop defective ZnO nanomaterials for the concurrent generation of H2 and CO during electrochemical CO2 reduction reactions (CO2RR). The designed ZnO achieves an H2/CO ratio… read more here.
Keywords: syngas production; scale stability; atomic scale; uncovering atomic ... See more keywords
Atomic‐Scale Studies of Fe3O4(001) and TiO2(110) Surfaces Following Immersion in CO2‐Acidified Water
Sign Up to like & getrecommendations! Published in 2020 at "Chemphyschem"
DOI: 10.1002/cphc.202000471
Abstract: Abstract Difficulties associated with the integration of liquids into a UHV environment make surface‐science style studies of mineral dissolution particularly challenging. Recently, we developed a novel experimental setup for the UHV‐compatible dosing of ultrapure liquid… read more here.
Keywords: tio2 110; water; surface; atomic scale ... See more keywords
Investigation of an atomic‐layer‐deposited Al2O3 diffusion barrier between Pt and Si for the use in atomic scale atom probe tomography studies on a combinatorial processing platform
Sign Up to like & getrecommendations! Published in 2021 at "Surface and Interface Analysis"
DOI: 10.1002/sia.6955
Abstract: In order to enable the application of atomic probe tomography combinatorial processing platforms for atomic‐scale investigations of phase evolution at elevated temperatures, the pre‐sharpened Si tip of 10–20 nm in diameter must be protected against interdiffusion… read more here.
Keywords: atomic layer; diffusion; layer; atomic scale ... See more keywords