Reversible Crystalline‐Crystalline Transitions in Chalcogenide Phase‐Change Materials

B Liu, K Li, J Zhou, Z Sun - Advanced Functional Materials, 2024 - Wiley Online Library
Phase‐change random access memory (PCRAM) is one of the most technologically mature
candidates for next‐generation non‐volatile memory and is currently at the forefront of …

Ultralow–switching current density multilevel phase-change memory on a flexible substrate

AI Khan, A Daus, R Islam, KM Neilson, HR Lee… - Science, 2021 - science.org
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 …

Novel nanocomposite-superlattices for low energy and high stability nanoscale phase-change memory

X Wu, AI Khan, H Lee, CF Hsu, H Zhang, H Yu… - Nature …, 2024 - nature.com
Data-centric applications are pushing the limits of energy-efficiency in today's computing
systems, including those based on phase-change memory (PCM). This technology must …

Unveiling the effect of superlattice interfaces and intermixing on phase change memory performance

AI Khan, X Wu, C Perez, B Won, K Kim, P Ramesh… - Nano Letters, 2022 - ACS Publications
Superlattice (SL) phase change materials have shown promise to reduce the switching
current and resistance drift of phase change memory (PCM). However, the effects of internal …

Roadmap on chalcogenide photonics

B Gholipour, SR Elliott, MJ Müller… - Journal of Physics …, 2023 - iopscience.iop.org
Alloys of sulfur, selenium and tellurium, often referred to as chalcogenide semiconductors,
offer a highly versatile, compositionally-controllable material platform for a variety of passive …

Atomic Layer Deposition of Sb2Te3/GeTe Superlattice Film and Its Melt‐Quenching‐Free Phase‐Transition Mechanism for Phase‐Change Memory

C Yoo, JW Jeon, S Yoon, Y Cheng, G Han… - Advanced …, 2022 - Wiley Online Library
Atomic layer deposition (ALD) of Sb2Te3/GeTe superlattice (SL) film on planar and vertical
sidewall areas containing TiN metal and SiO2 insulator is demonstrated. The peculiar …

Energy Efficient Neuro‐Inspired Phase–Change Memory Based on Ge4Sb6Te7 as a Novel Epitaxial Nanocomposite

AI Khan, H Yu, H Zhang, JR Goggin, H Kwon… - Advanced …, 2023 - Wiley Online Library
Phase‐change memory (PCM) is a promising candidate for neuro‐inspired, data‐intensive
artificial intelligence applications, which relies on the physical attributes of PCM materials …

C/Sb2Te3 phase-change heterostructure films with low resistance drift for multilevel phase change memories

X Zeng, X Zhu, Y Hu - Journal of Alloys and Compounds, 2023 - Elsevier
Multilevel storage and resistance drift are two challenges in phase-change memories. Here,
we report that [C (5 nm)/Sb 2 Te 3 (12 nm)] 5 phase-change heterostructure film has …

Phase-Controlled Synthesis and Phase-Change Properties of Colloidal Cu–Ge–Te Nanoparticles

D Kumaar, M Can, H Weigand, O Yarema… - Chemistry of …, 2024 - ACS Publications
Phase-change memory (PCM) technology has recently attracted a vivid interest for
neuromorphic applications, in-memory computing, and photonic integration due to the …

Transition from incoherent to coherent phonon thermal transport across graphene/h-BN van der Waals superlattices

X Wu, Q Han - International Journal of Heat and Mass Transfer, 2022 - Elsevier
The van der Waals (vdW) superlattice, obtained by applying the concept of the periodic
superlattice to two-dimensional materials using low-energy vdW physical assembly, is …