Revisiting the nature of chemical bonding in chalcogenides to explain and design their properties
Quantum chemical bonding descriptors have recently been utilized to design materials with
tailored properties. Their usage to facilitate a quantitative description of bonding in …
tailored properties. Their usage to facilitate a quantitative description of bonding in …
Chalcogenides by design: functionality through metavalent bonding and confinement
A unified picture of different application areas for incipient metals is presented. This
unconventional material class includes several main‐group chalcogenides, such as GeTe …
unconventional material class includes several main‐group chalcogenides, such as GeTe …
Doping by design: enhanced thermoelectric performance of GeSe alloys through metavalent bonding
Doping is usually the first step to tailor thermoelectrics. It enables precise control of the
charge‐carrier concentration and concomitant transport properties. Doping should also turn …
charge‐carrier concentration and concomitant transport properties. Doping should also turn …
Ultralow–switching current density multilevel phase-change memory on a flexible substrate
Phase-change memory (PCM) is a promising candidate for data storage in flexible
electronics, but its high switching current and power are often drawbacks. In this study, we …
electronics, but its high switching current and power are often drawbacks. In this study, we …
Metavalent bonding origins of unusual properties of group IV chalcogenides
A distinct type of metavalent bonding (MVB) is recently proposed to explain an unusual
combination of anomalous functional properties of group IV chalcogenide crystals, whose …
combination of anomalous functional properties of group IV chalcogenide crystals, whose …
Comprehensive Insight into p-Type Bi2Te3-Based Thermoelectrics near Room Temperature
Q Shi, J Li, X Zhao, Y Chen, F Zhang… - … Applied Materials & …, 2022 - ACS Publications
Bi2Te3 is a well-recognized material for its unique properties in diverse thermoelectric
applications near room temperature. The considerable efforts on Bi2Te3-based alloys have …
applications near room temperature. The considerable efforts on Bi2Te3-based alloys have …
Gibbs Adsorption and Zener Pinning Enable Mechanically Robust High‐Performance Bi2Te3‐Based Thermoelectric Devices
Bi2Te3‐based alloys have great market demand in miniaturized thermoelectric (TE) devices
for solid‐state refrigeration and power generation. However, their poor mechanical …
for solid‐state refrigeration and power generation. However, their poor mechanical …
Interface controlled thermal resistances of ultra-thin chalcogenide-based phase change memory devices
Phase change memory (PCM) is a rapidly growing technology that not only offers
advancements in storage-class memories but also enables in-memory data processing to …
advancements in storage-class memories but also enables in-memory data processing to …
Metavalent bonding in crystalline solids: how does it collapse?
L Guarneri, S Jakobs, A von Hoegen… - Advanced …, 2021 - Wiley Online Library
The chemical bond is one of the most powerful, yet much debated concepts in chemistry,
explaining property trends in solids. Recently, a novel type of chemical bonding was …
explaining property trends in solids. Recently, a novel type of chemical bonding was …
Two-step phase manipulation by tailoring chemical bonds results in high-performance GeSe thermoelectrics
W Yao, Y Zhang, T Lyu, W Huang, N Huang, X Li… - The Innovation, 2023 - cell.com
In thermoelectrics, phase engineering serves a crucial function in determining the power
factor by affecting the band degeneracy. However, for low-symmetry compounds, the …
factor by affecting the band degeneracy. However, for low-symmetry compounds, the …