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Non-volatile resistive switching is demonstrated in memristors with nanocrystalline molybdenum disulfide (MoS$_2$) as the active material. The vertical heterostructures consist of silicon, vertically aligned MoS$_2$ and chrome / gold metal…

When single-layer h-BN is subjected to a high-energy electron beam, triangular pores with nitrogen edges are formed. Because of the broken sp2 bonds, these pores are known to possess magnetic states. We report on the magnetism and…

Materials Science · Physics 2022-09-22 Mehmet Dogan , Marvin L. Cohen

The interaction of highly charged ions (HCI) with solids leads to particle sputtering, which can be used for defect-mediated engineering of the properties of the material. Ions can store energy in the form of kinetic and potential energy…

High resolution transmission electron microscopy (HRTEM) and Rutherford backscattering spectrometry (RBS) are used to study the ion induced effects in Au, Ag nanostructures grown on Si and thermally grown SiO2 substrates. Au and Ag films…

Materials Science · Physics 2007-05-23 B. Satpati , P. V. Satyam , T. Som , B. N. Dev

We characterize heat dissipation of supported molybdenum disulfide (MoS$_2$) monolayers grown by chemical vapor deposition by means of ambient-condition scanning thermal microscopy (SThM). We find that the thermal boundary conductance of…

Nanomaterials are prone to influence by chemical adsorption because of their large surface to volume ratios. This enables sensitive detection of adsorbed chemical species which, in turn, can tune the property of the host material. Recent…

Materials Science · Physics 2015-06-18 Liangzhi Kou , Aijun Du , Changfeng Chen , Thomas Frauenheim

Efficient water transport through nanostructure membranes is essential for advancing filtration and desalination technologies. In this study, we investigate the flow of water through molybdenum disulfide (MoS$_{2}$) nanopores of varying…

Materials Science · Physics 2025-10-14 João Victor Lemos Vale , Lucas Cesena , Bruno H. S. Mendonça , Elizane E. de Moraes

The COVID-19 pandemic has shown the urgent need for the development of efficient, durable, reusable and recyclable filtration media for the deep-submicron size range. Here we demonstrate a multifunctional filtration platform using porous…

Molybdenum disulfide (MoS2) has emerged as a promising, cost-effective catalyst for hydrogen production via water splitting. We investigate the structural and electrocatalytic properties of MoS2 thin films deposited on different substrates…

Transition metal dichalcogenides are 2D structures with remarkable electronic, chemical, optical and mechanical properties. Monolayer and crystal properties of these structures have been extensively investigated, but a detailed…

Mesoscale and Nanoscale Physics · Physics 2018-01-18 Y. M. Jaques , P. Manimunda , Y. Nakanishi , S. Susarla , C. F. Woellner , S. Bhowmick , S. A. S. Asif , D. S. Galvão , C. S. Tiwary , P. M. Ajayan

Ultraviolet-ozone (UV-O3) treatment is a simple but effective technique for surface cleaning, surface sterilization, doping and oxidation, and is applicable to a wide range of materials. In this study, we investigated how UV-O3 treatment…

Materials Science · Physics 2023-09-08 Fahrettin Sarcan , Alex J. Armstrong , Yusuf K. Bostan , Esra Kus , Keith McKenna , Ayse Erol , Yue Wang

The growth and ordering of molecules on surfaces is an intriguing research topic as insights gained here can be of significant relevance for organic electronic devices. While often simple, rigid molecules are employed as model systems, we…

Chemical Physics · Physics 2024-10-02 Baris Oecal , Philipp Weitkamp , Klaus Meerholz , Selina Olthof

The crystal structure of MoS$_2$ with strong covalent bonds in plane and weak Van der Waals interactions out of plane gives rise to interesting properties for applications such as solid lubrication, optoelectronics, and catalysis, which can…

Materials Science · Physics 2021-07-28 Rijan Karkee , Enrique Guerrero , David A. Strubbe

The shape of metal nanoparticles embedded in dielectric matrices influences the optical properties of the composite material. Swift heavy ion irradiation can induce a controllable shape transformation in gold and other metals embedded in…

Materials Science · Physics 2022-04-22 Aleksi A. Leino , Ville E. Jantunen , Flyura Djurabekova

Self-assembled topological structures of post-processed two-dimensional materials exhibit novel physical properties distinct from those of their parent materials. Herein, the critical role of desulphurization on self-assembled topological…

Materials Science · Physics 2021-01-08 Pinqiang Cao , Jianyang Wu

Molybdenum disulfide (MoS2) has drawn great interest for tunable photonics and optoelectronics advancement. Its solution processing, though scalable, results in randomly networked ensembles of discrete nanosheets with compromised properties…

The effect of electron irradiation on 2D materials is an important topic, both for the correct interpretation of electron microscopy experiments and for possible applications in electron lithography. After the importance of including…

Materials Science · Physics 2025-01-16 Carsten Speckmann , Kimmo Mustonen , Diana Propst , Clemens Mangler , Jani Kotakoski

We report for the first time the direct growth of Molybdenum disulfide (MoS$_2$) monolayers on nanostructured silicon-on-insulator waveguides. Our results indicate the possibility of utilizing the Chemical Vapour Deposition (CVD) on…

Employing amorphous superconductors, such as Type-II molybdenum silicide (MoSi), instead of crystalline materials significantly simplifies the material deposition and scalable nanoscale prototyping, beneficial for quantum electronic and…

Ultrathin nanopore membranes based on 2D materials have demonstrated ultimate resolution toward DNA sequencing. Among them, molybdenum disulphide (MoS2) shows long-term stability as well as superior sensitivity enabling high throughput…

Soft Condensed Matter · Physics 2023-07-19 J. Feng , K. Liu , M. Graf , M. Lihter , R. D. Bulushev , D. Dumcenco , D. T. L. Alexander , D. Krasnozhon , T. Vuletic , A. Kis , A. Radenovic