Hanako Okuno

High temperature ferromagnetism in epitaxial monolayers of Co-doped Fe5GeTe2

Jules Courtin, Fatima Ibrahim, Davide Benettin, Djordje Došenović et autres

Magnetic van der Waals materials have mainly been investigated in their bulk form or as few-layers flakes. Due to the challenges in producing atomically thin films, only a few have been isolated as monolayers, which typically exhibit long-range magnetic order below 150 …

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High Temperature Ferromagnetism in Epitaxial Monolayers of Co-Doped Fe 5 GeTe 2

Jules Courtin, Fatima Ibrahim, Davide Benettin, Djordje Došenović et autres

Magnetic van der Waals materials have mainly been investigated in their bulk form or as few-layer flakes. Because of the challenges in producing atomically thin films, only a few have been isolated as monolayers, which typically exhibit long-range magnetic order below 150 …

fr (code pays fourni par la source)

A new method to probe conducting filaments in MoS$_2$-based memristors

Pierre Trousset, Lucie Le Van-Jodin, Bruno Reig, Clotilde Ligaud et autres

Two-dimensional (2D) transition metal dichalcogenides (TMDs), such as molybdenum disulfide (MoS$_2$), are emerging as promising materials for next-generation electronic devices. They have proved to be serious candidates for integration with memristors in non-volatile memory and radio frequency (RF) applications. However, the physical …

A new method to probe conducting filaments in MoS$_2$-based memristors

Pierre Trousset, Lucie Le Van-Jodin, Bruno Reig, Clotilde Ligaud et autres

Two-dimensional (2D) transition metal dichalcogenides (TMDs), such as molybdenum disulfide (MoS$_2$), are emerging as promising materials for next-generation electronic devices. They have proved to be serious candidates for integration with memristors in non-volatile memory and radio frequency (RF) applications. However, the physical …

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Advanced structural characterization of single-walled carbon nanotubes with 4D-STEM

Antonin Louiset, Georg Daniel Daniel Förster, Vincent Jourdain, Said Tahir et autres

Abstract Single wall carbon nanotubes (SWCNT) exhibit remarkable optical and electrical properties making them one of the most promising materials for next generation electronic and optoelectronic devices. Their electronic properties strongly depend on their chirality, i.e. their structural configuration, as well as …

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Defects and defect-mediated engineering of two-dimensional materials: challenges and open questions

Arkady V Krasheninnikov, Matthias Batzill, Anouar-Akacha Delenda, Marija Drndić et autres

Compared to bulk solids, defects in low-dimensional materials and, specifically, 2D systems are expected to have a stronger effect, detrimental or beneficial, on their properties. Owing to their geometry, defects in 2D materials can easily be formed due to the interaction with …

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Interplay of Substrate Adhesion, Axial Strain and Doping in the Raman Response of Metallic Carbon Nanotubes Grown on Quartz Monocrystal

Vladimir Pimonov, Eira Anais Zamudio Medina, Huy Tran, Saïd Tahir et autres

Single-walled carbon nanotubes (SWCNTs) grown on single-crystal quartz exhibit complex Raman features that reflect interactions between the nanotube, substrate, and environment. Here, we combine Raman spectroscopy and DFT calculations to study individual metallic SWCNTs on quartz. As often observed but previously unexplained, …

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Detangling the Factors Influencing the Capacitance and Interfacial Phenomena in rGO-based Supercapacitors in Acidic Aqueous Electrolytes

O. El-Basha Hassan, N. M. Keppetipola, Y. Chenavier, Giovanna Franklin et autres

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ALD grown (001) κ-Ga 2 O 3 epitaxial thin films on c -plane sapphire: influence of thickness and thermal annealing

Andy Seguret, Ilyass Jellal, Hervé Roussel, Isabelle Gélard et autres

The effects of thickness on the atomic layer epitaxy of κ-Ga 2 O 3 by ALD on c -plane sapphire are investigated, along with the full thermal conversion to β-Ga 2 O 3 after thermal annealing, offering new opportunities for power electronics.

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Detangling the Factors Influencing the Capacitance and Interfacial Phenomena in rGO-based Supercapacitors in Acidic Aqueous Electrolytes

Omar Salih Hassan, Niroshika Keppetipola, Y. Chenavier, Giovanna Franklin et autres

fr (code pays fourni par la source)

The Hidden Limits of Top-Down Approach: Cerium-Doped Garnet Nanophosphors as a Case Study

P. Martin, A. Potdevin, Damien Boyer, Kévin Lemoine et autres

Despite the growing demand for cerium-doped yttrium aluminum garnet nanocrystals (YAG:Ce), their elaboration remains challenging. Although promising results have been obtained through the glycothermal route, the nanoparticles exhibit a low internal quantum yield compared to micron-sized YAG:Ce. Top-down approaches are less studied …

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A wafer-scale method for the characterization of 2D MoS2 layers

Thibaut Meyer, Stéphane Cadot, Benjamin Dey, Taha Vollaire et autres

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