Revisiting the nature of chemical bonding in chalcogenides to explain and design their properties

M Wuttig, CF Schön, J Lötfering, P Golub… - Advanced …, 2023 - Wiley Online Library
Quantum chemical bonding descriptors have recently been utilized to design materials with
tailored properties. Their usage to facilitate a quantitative description of bonding in …

Interface controlled thermal resistances of ultra-thin chalcogenide-based phase change memory devices

K Aryana, JT Gaskins, J Nag, DA Stewart, Z Bai… - Nature …, 2021 - nature.com
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 …

Metavalent Bonding in Layered Phase‐Change Memory Materials

W Zhang, H Zhang, S Sun, X Wang, Z Lu… - Advanced …, 2023 - Wiley Online Library
Metavalent bonding (MVB) is characterized by the competition between electron
delocalization as in metallic bonding and electron localization as in covalent or ionic …

High performance GeTe thermoelectrics enabled by lattice strain construction

M Liu, Y Sun, J Zhu, C Li, F Guo, Z Liu, M Guo, Y Zhu… - Acta Materialia, 2023 - Elsevier
Numerous intrinsic Ge vacancies in thermoelectric GeTe not only lead to overhigh carrier
concentration but also seriously deteriorate carrier mobility, which shackles its …

Synthesis and applications of wide bandgap 2D layered semiconductors reaching the green and blue wavelengths

Y Lu, JH Warner - ACS Applied Electronic Materials, 2020 - ACS Publications
Two-dimensional semiconductors with a layered structure are now among the most
extensively studied materials. The unique structural form of 2D layered semiconductors …

Growth of textured chalcogenide thin films and their functionalization through confinement

P Kerres, R Mazzarello… - … status solidi (a), 2024 - Wiley Online Library
A number of chalcogenides show a remarkable portfolio of properties, which enables a
plethora of applications including thermoelectric power generation and phase change …

Novel polymorph of GaSe

J Grzonka, MS Claro, A Molina‐Sánchez… - Advanced Functional …, 2021 - Wiley Online Library
Abstract 2D GaSe is a semiconductor belonging to the group of post‐transition metal
chalcogenides with great potential for advanced optoelectronic applications. The weak …

Enhancing thermoelectric performance of Sb2Te3 through swapped bilayer defects

J Wang, C Zhou, Y Yu, Y Zhou, L Lu, B Ge, Y Cheng… - Nano Energy, 2021 - Elsevier
Lattice defects are typically used to tailor the thermoelectric properties of materials. It is
desirable that such defects improve the electrical conductivity, while, at the same time …

Confinement‐Induced Phonon Softening and Hardening in Sb2Te3 Thin Films

J Mertens, P Kerres, Y Xu… - Advanced Functional …, 2024 - Wiley Online Library
Scaling effects in Sesqui‐chalcogenides are of major interest to understand and optimize
their performance in heavily scaled applications, including topological insulators and phase …

Characterization and Decomposition of the Natural van der Waals SnSb2Te4 under Compression

JA Sans, R Vilaplana, EL Da Silva, C Popescu… - Inorganic …, 2020 - ACS Publications
High pressure X-ray diffraction, Raman scattering, and electrical measurements, together
with theoretical calculations, which include the analysis of the topological electron density …