Related Experiment Video
Updated: Jan 27, 2026
09:12
Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
Published on: May 28, 2016
11.6K
Optically addressing interaction of Mg/MgO plasmonic systems with hydrogen
Optics Express
|March 17, 2019
Summary
This study explores magnesium
Area of Science:
- Materials Science
- Nanotechnology
- Hydrogen Storage
Background:
- Magnesium's potential in the hydrogen economy is hindered by oxidation and lack of real-time measurement techniques.
- Understanding hydrogen interaction with magnesium (Mg) and its oxides (MgO) is crucial for optimizing storage applications.
Purpose of the Study:
- To investigate the direct interaction of Mg with hydrogen.
- To analyze the impact of Mg oxidation on optical properties for hydrogen storage applications.
- To develop real-time monitoring methods for hydrogen interaction with Mg surfaces.
Main Methods:
- Utilized a reactor combining a remote hydrogen plasma source with in situ spectroscopic ellipsometry.
- Performed direct hydrogenation measurements with real-time optical monitoring.
- Investigated optical property modifications of Mg, MgH2, and MgO.
Main Results:
- Demonstrated real-time spectroscopic ellipsometry for monitoring hydrogen interaction with Mg.
- Observed optical property changes in Mg upon hydrogenation and oxidation.
- Showcased the dual role of hydrogen plasma in providing hydrogen atoms and facilitating reactions.
Conclusions:
- Real-time spectroscopic ellipsometry is effective for studying hydrogen-Mg interactions and oxidation.
- Optical properties of Mg, MgH2, and MgO can be exploited for hydrogen storage applications.
- The developed method aids in understanding and optimizing magnesium-based hydrogen storage systems.
More Related Videos
Related Concept Videos
00:26Hydrogen Bonds
132.4K
Hydrogen bonds are weak attractions between atoms that have formed other chemical bonds. One of these atoms is electronegative, like oxygen, and has a partial negative charge. The other is a hydrogen atom that has bonded with another electronegative atom and has a partial positive charge.
Hydrogen Bonds Control the World!
Because hydrogen has very weak electronegativity when it binds with a strongly electronegative atom, such as oxygen or nitrogen, electrons in the bond are unequally shared....
Hydrogen Bonds Control the World!
Because hydrogen has very weak electronegativity when it binds with a strongly electronegative atom, such as oxygen or nitrogen, electrons in the bond are unequally shared....
132.4K
01:04Hydrogen Bonds
13.8K
A hydrogen bond is formed when a weakly positive hydrogen atom already bonded to one electronegative atom (for example, the oxygen in the water molecule) is attracted to another electronegative atom from another polar molecule, such as water (H2O), hydrogen fluoride (HF), or ammonia (NH3). The huge electronegativity difference between the H atom (2.1) and the atom to which it is bonded (4.0 for an F atom, 3.5 for an O atom, or 3.0 for an N atom), combined with the very small size of an H atom...
13.8K
01:25Strategies for Assessing and Addressing Confounding
383
Confounding is a critical issue in epidemiological studies, often leading to misleading conclusions about associations between exposures and outcomes. It occurs when the relationship between the exposure and the outcome is mixed with the effects of other factors that influence the outcome. Given that, addressing confounding is of high importance for drawing accurate inferences in research.
Confounding can be addressed at both the design phase of a study and through analytical methods after data...
Confounding can be addressed at both the design phase of a study and through analytical methods after data...
383
01:18Second Order systems II
406
In an underdamped second-order system, where the damping ratio ζ is between 0 and 1, a unit-step input results in a transfer function that, when transformed using the inverse Laplace method, reveals the output response. The output exhibits a damped sinusoidal oscillation, and the difference between the input and output is termed the error signal. This error signal also demonstrates damped oscillatory behavior. Eventually, as the system reaches a steady state, the error diminishes to zero.
406
02:13Reduction of Alkenes: Catalytic Hydrogenation
14.0K
Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a transition-metal catalyst, the reaction is called catalytic hydrogenation.
Metals like palladium, platinum, and nickel are commonly used in their solid forms — fine powder on an inert surface. As these catalysts remain insoluble in the reaction mixture, they are referred to as heterogeneous catalysts.
The hydrogenation process takes place on the...
Metals like palladium, platinum, and nickel are commonly used in their solid forms — fine powder on an inert surface. As these catalysts remain insoluble in the reaction mixture, they are referred to as heterogeneous catalysts.
The hydrogenation process takes place on the...
14.0K
01:21First Order Systems
423
First-order systems, such as RC circuits, are foundational in understanding dynamic systems due to their straightforward input-output relationship. Analyzing their responses to different input functions under zero initial conditions reveals significant insights into system behavior.
When a first-order system is subjected to a unit-step input, its response is characterized by its transfer function. By applying the Laplace transform of the unit-step input to the transfer function, expanding the...
When a first-order system is subjected to a unit-step input, its response is characterized by its transfer function. By applying the Laplace transform of the unit-step input to the transfer function, expanding the...
423