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Atomic Layer Deposition (ALD) is a promising technique for growing ultrathin, pristine dielectrics on metal substrates, which is essential to many electronic devices. Tunnel junctions are an excellent example which require a leak-free,…

Materials Science · Physics 2015-06-19 Alan J. Elliot , Gary A. Malek , Rongtao Lu , Siyuan Han , Haifeng Yiu , Shiping Zhao , Judy Z. Wu

We investigated the use of dielectric layers produced by atomic layer deposition (ALD) as an approach to strain mitigation in composite silicon/superconductor devices operating at cryogenic temperatures. We show that the addition of an ALD…

This paper provides a unique and to the best of our knowledge first-of-a-kind attempt to develop chemical processes that may contribute to the volume reduction of SMR TRISO-based fuels and aims at the eventual ability to reprocess the spent…

Chemical Physics · Physics 2025-05-21 Tobias Chemnitz , Christian Reiter , Florian Kraus , David Novog

Atomic layer deposition (ALD) is a promising technique to functionalize particle surfaces for energy applications including energy storage, catalysis, and decarbonization. In this work, we present a set of models of ALD particle coating to…

Materials Science · Physics 2024-12-04 Angel Yanguas-Gil , Jeffrey W. Elam

Thin films of cerium dioxide (CeO2) were deposited by atomic layer deposition (ALD) at 250 {\deg}C on both Si and TiN substrates. The ALD growth produces CeO2 films with polycrystalline cubic phase on both substrates. However, the films…

Materials Science · Physics 2017-05-29 S. Vangelista , R. Piagge , S. Ek , T. Sarnet , G. Ghidini , C. Martella , A. Lamperti

Atomic layer deposition (ALD) is an essential tool in semiconductor device fabrication that allows the growth of ultrathin and conformal films to precisely form heterostructures and tune interface properties. The self-limiting nature of the…

Conformal Atomic Layer Deposition (ALD) of nanoparticles is an now an established nanofabrication concept employed by many researchers for applications such as creating diffusion barriers, tuning catalysis, or masking a toxic particle core…

Materials Science · Physics 2016-11-28 Ryan P Badman , Xinwei Wu , Vincent J Genova

Inductively Coupled Plasma (ICP) etching of amorphous silicon (a-Si) nanostructures using a continuous C4F8/SF6 plasma over nanotopography in silicon dioxide (SiO2) is investigated. The coil power of the ICP system is used to tune the a-Si…

Plasma-enhanced chemical vapor deposition (PECVD) of silicon dioxide (SiO$_2$) is widely used for low-temperature fabrication of dielectric thin films, yet its atomic-scale growth mechanisms remain incompletely understood. In this work, we…

Atomic layer deposition (ALD) is widely studied for numerous applications and is commercially employed in the semiconductor industry, where planar substrates are the norm. However, the inherent ALD feature of coating virtually any surface…

The interfacial FeSe/TiO$_{2-\delta}$ coupling induces high-temperature superconductivity in monolayer FeSe films. Using cryogenic atomically resolved scanning tunneling microscopy/spectroscopy, we obtained atomic-site dependent surface…

Superconductivity · Physics 2024-03-01 Cui Ding , Zhongxu Wei , Wenfeng Dong , Hai Feng , Mingxia Shi , Lili Wang , Jin-Feng Jia , Qi-Kun Xue

Many biological materials exhibit a multiscale porosity with small, mostly nanoscale pores as well as large, macroscopic capillaries to simultaneously achieve optimized mass transport capabilities and lightweight structures with large inner…

Ultraviolet nanosecond laser annealing (UV-NLA) proves to be an important technique, particularly when tightly controlled heating and melting are necessary. In the realm of semiconductor technologies, the significance of nanosecond laser…

We have developed a simulation tool to model self-limited processes such as atomic layer deposition and atomic layer etching inside reactors of arbitrary geometry. In this work, we have applied this model to two standard types of cross-flow…

Applied Physics · Physics 2024-06-19 Angel Yanguas-Gil , Joseph A. Libera , Jeffrey W. Elam

Using first-principles density functional theory calculations in combination with the climbing-image nudged elastic band method, we investigated the adsorption, desorption, and diffusion of atomic chlorine and molecular chlorine on the Al…

Materials Science · Physics 2025-09-10 Sanjay Nayak , Nikolai Andrianov , Thomas Gruhn , Joaquin Miranda

This thesis is focused on numerical simulations of the laser interaction with porous materials. A possibility of well-controlled processing is particularly important for the laser based micro-structuring of porous glass and nano-machining…

Optics · Physics 2021-03-15 Hongfeng Ma

Cerium dioxide (CeO2) thin films were deposited by atomic layer deposition (ALD) on both Si and TiN substrates. The ALD growth produces CeO2 cubic polycrystalline films on both substrates. However, the films show a preferential orientation…

Materials Science · Physics 2017-06-02 Silvia Vangelista , Rossella Piagge , Satu Ek , Tiina Sarnet , Gabriella Ghidini , Alessio Lamperti

The bottleneck of alloy design for powder-based additive manufacturing (AM) resides in customized powder production - an expensive and time-consuming process hindering the rapid closed-loop design iterations. This study analyzed an…

Applied Physics · Physics 2026-05-14 Zhaoxuan Ge , Sebastian Calderon , S. Mohadeseh Taheri-Mousavi

Autonomous science platforms which make decisions on the fly are fundamentally changing the outlook for materials development. AI-driven schemes can effectively reduce the total number of iterations needed to arrive at the best…

The material and exact shape of a nanostructure determine its optical response, which is especially strong for plasmonic metals. Unfortunately, only a very few plasmonic metals are available, which limits the spectral range where these…

Mesoscale and Nanoscale Physics · Physics 2021-05-07 Debdatta Ray , Hsiang-Chu Wang , Jeonghyeon Kim , Christian Santschi , Olivier J. F Martin