Molybdenum Oxide Contact
Molybdenum Oxide Contact - Related Videos
08:15
Temperature-programmed Deoxygenation of Acetic Acid on Molybdenum Carbide Catalysts
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Cited by 1 •
2017
Presented here is a protocol for the operation of a micro-scale temperature-programmed reactor for evaluating the catalytic performance of molybdenum carbide during acetic acid deoxygenation.
08:12
Ohmic Contact Fabrication Using a Focused-ion Beam Technique and Electrical Characterization for Layer Semiconductor Nanostructures
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Cited by 10 •
2015
We describe the approaches for the device fabrication and electrical characterization of molybdenum diselenide (MoSe2) layer semiconductor nanostructures with different thicknesses. In addition, the fabrication of ohmic contacts for MoSe2-layer nanocrystals by the focused-ion beam deposition method using platinum (Pt) as a contact metal is described.
03:14
Oxidation Numbers
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2020
In redox reactions, the transfer of electrons occurs between reacting species. Electron transfer is described by a hypothetical number called the oxidation number (or oxidation state). It represents the effective charge of an atom or element, which is assigned using a set of rules. Oxidation Number (Oxidation State) In the case of an ionic compound, oxidation numbers are assigned based on the number of electrons transferred between reacting species. For example, in the formation of calcium...
01:13
Contact Angle
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2023
When a solid is dipped inside a liquid, the liquid surface becomes curved near the contact. For some solid–liquid interfaces, the liquid is pulled up along the solid, while for others, the liquid surface is convex or depressed near the solid surface. This phenomenon can be explained using the concept of cohesive and adhesive forces. The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive force...
09:41
Using Laser Scanning Microscopy to Determine Electromigration in Molybdenum Disilicide
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2025
Here, we describe a workflow using laser scanning microscopy to determine the volume electromigrated through a metal line under test. By varying different experimental variables, a multitude of information about electromigration can be acquired. In this work, the length of the onset of electromigration is determined.
FAQs
Oxide composition and thickness alter the interface conditions that govern charge transfer. Composition affects the contact’s work function, while thickness influences how carriers cross the layer. Very thin layers can support tunneling, allowing transport through the oxide, whereas thicker or differently composed layers can modify injection or extraction more strongly. These changes directly affect device electrical characteristics.
Work function and band alignment determine how favorably carriers move between the conductor, molybdenum oxide, and adjacent semiconductor or functional material. A suitable alignment can promote selective carrier injection or extraction, while an unfavorable relationship can impede transport. Controlling these interfacial properties therefore helps engineers tune electrical behavior and manage which carriers participate in device operation.
The interface can improve carrier selectivity by favoring the desired injection or extraction pathway. Greater selectivity reduces the likelihood that different carriers remain together at locations where they can recombine, which can support improved device performance. The extent of this effect depends on oxide chemistry, thickness, work function, and alignment with the neighboring material.
Transport depends on the combined effects of the oxide layer’s composition and thickness, its work function, and the band alignment at adjoining interfaces. These variables establish the energetic and physical conditions for carrier movement. In sufficiently thin layers, tunneling becomes relevant; in other cases, the interface primarily regulates carrier injection or extraction through its electronic alignment.
Engineers should evaluate oxide composition, layer thickness, work function, and band alignment together rather than treating them as independent features. These parameters determine interfacial transport and influence selectivity, recombination, and overall electrical characteristics. Considering them as a coordinated design set supports more efficient, stable, and reproducible components in electronic and optoelectronic structures.
Applications include electronic and optoelectronic structures, particularly thin-film devices where interfacial transport strongly affects operation. In these systems, the contact can be designed to tune electrical characteristics, improve carrier selectivity, and reduce recombination. Its value lies in using interface chemistry and physics to adjust device behavior rather than relying only on the bulk materials.
Researchers can relate changes in oxide composition, thickness, work function, or band alignment to resulting carrier injection, extraction, and tunneling behavior. They can then examine how those transport changes affect selectivity, recombination, and device electrical characteristics. This approach connects measurable interface design choices with performance, stability, and reproducibility in the resulting component.