tag: thin films

MOVPE Grown (100) Beta-Gallium Oxide Layers for Power Electronics Application
By Technical Paper Link - 20 Dec, 2022 - Comments: 0

A technical paper titled "Perspectives on MOVPE-grown (100) β-Ga2O3 thin films and its Al-alloy for power electronics application" was published by researchers at Leibniz-Institut für Kristallzüchtung (IKZ), Germany. "Beta gallium oxide (β-Ga2O3) is a promising ultra-wide bandgap semiconductor with attractive physical properties for next-generation high-power devices, radio frequency ele... » read more

Research Bits: Oct. 4
By Jesse Allen - 04 Oct, 2022 - Comments: 0

2D electrode for ultra-thin semiconductors Researchers from the Korea Institute of Science and Technology (KIST), Japan's National Institute for Materials Science, and Kunsan National University designed two-dimensional semiconductor-based electronic and logic devices, with electrical properties that can be selectively controlled through a new 2D electrode material, chlorine-doped tin diseleni... » read more

Film Failure in Multilayer Systems for Semiconductor Devices
By Technical Paper Link - 18 Jul, 2022 - Comments: 0

Researchers at MIT, Yonsei University (Seoul, Korea) just published this technical paper titled "Interfacial Delamination at Multilayer Thin Films in Semiconductor Devices." According to the abstract "In this work, the effect of thermomechanical stress on the failure of multilayered thin films on Si substrates was studied using analytical calculations and various thermomechanical tests." ... » read more

Highly efficient modulation doping: A path toward superior organic thermoelectric devices
By Technical Paper Link - 05 Apr, 2022 - Comments: 0

New academic paper from TU Dresden. Abstract "We investigate the charge and thermoelectric transport in modulation-doped large-area rubrene thin-film crystals with different crystal phases. We show that modulation doping allows achieving superior doping efficiencies even for high doping densities, when conventional bulk doping runs into the reserve regime. Modulation-doped orthorhombic rubr... » read more

Flat-surface-assisted and self-regulated oxidation resistance of Cu(111)
By Technical Paper Link - 22 Mar, 2022 - Comments: 0

Abstract "Oxidation can deteriorate the properties of copper that are critical for its use, particularly in the semiconductor industry and electro-optics applications. This has prompted numerous studies exploring copper oxidation and possible passivation strategies. In situ observations have, for example, shown that oxidation involves stepped surfaces: Cu2O growth occurs on flat surfaces as a ... » read more

Making BaZrS3 Chalcogenide Perovskite Thin Films by Molecular Beam Epitaxy
By Technical Paper Link - 13 Nov, 2021 - Comments: 0

Abstract: We demonstrate the making of BaZrS3 thin films by molecular beam epitaxy (MBE). BaZrS3 forms in the orthorhombic distorted-perovskite structure with corner-sharing ZrS6 octahedra. The single-step MBE process results in films smooth on the atomic scale, with near-perfect BaZrS3 stoichiometry and an atomically-sharp interface with the LaAlO3 substrate. The films grow epitaxially via tw... » read more

Sputtered transparent electrodes for optoelectronic devices: Induced damage and mitigation strategies
By Technical Paper Link - 03 Nov, 2021 - Comments: 0

Abstract: Summary "Transparent electrodes and metal contacts deposited by magnetron sputtering find applications in numerous state-of-the-art optoelectronic devices, such as solar cells and light-emitting diodes. However, the deposition of such thin films may damage underlying sensitive device layers due to plasma emission and particle impact. Inserting a buffer layer to shield against such da... » read more

Reducing Rework In CMP: An Enhanced Machine Learning-Based Hybrid Metrology Approach
By Vamsi Velidandla - 10 Aug, 2021 - Comments: 0

By Vamsi Velidandla, John Hauck, Zhuo Chen, Joshua Frederick, and Zhihui Jiao The semiconductor industry is constantly marching toward thinner films and complex geometries with smaller dimensions, as well as newer materials. The number of chemical mechanical planarization (CMP) steps has increased and, with it, a greater need for within-wafer uniformity and wafer-to-wafer control of the thin... » read more

Power/Performance Bits: Dec. 15
By Jesse Allen - 15 Dec, 2020 - Comments: 0

Graphite films for cooling electronics Researchers at King Abdullah University of Science and Technology (KAUST) developed a way to make a carbon material well suited to dissipating heat in electronic devices. Graphite films are frequently used for heat management. "However, the method used to make these graphite films, using polymer as a source material, is complex and very energy intensiv... » read more

Power/Performance Bits: Aug. 10
By Jesse Allen - 10 Aug, 2020 - Comments: 0

Flexible electrodes for thin films Researchers from the University of Queensland and ARC Centre of Excellence in Exciton Science (University of Melbourne) developed a material for flexible, recyclable, transparent electrodes that could be used in things like solar panels, touchscreens, and smart windows. Eser Akinoglu of the ARC Centre of Excellence in Exciton Science said, "The performance... » read more

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