Gold Palladium Sputtering
Gold Palladium Sputtering - Related Videos
10:31
Detection and Recovery of Palladium, Gold and Cobalt Metals from the Urban Mine Using Novel Sensors/Adsorbents Designated with Nanoscale Wagon-wheel-shaped Pores
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Cited by 24 •
2015
Because of the importance and extensive use of palladium, gold and cobalt metals in high-technology equipment, their recovery and recycling constitute an important industrial challenge. The metal recovery system described herein is a simple, low-cost means for the effective detection, removal, and recovery of these metals from the urban mine.
06:19
Palladium-Catalyzed Cross Coupling
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2023
Source: Vy M. Dong and Faben Cruz, Department of Chemistry, University of California, Irvine, CA This experiment will demonstrate the concept of a palladium-catalyzed cross coupling. The set-up of a typical Pd-catalyzed cross coupling reaction will be illustrated. Pd-catalyzed cross coupling reactions have had a profound effect on how synthetic chemists create molecules. These reactions have enabled chemists to construct bonds in new and more efficient ways. Such reactions have found widespread...
12:20
Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers
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Cited by 23 •
2013
A method to prepare epitaxial layers of ordered alloys by sputtering is described. The B2-ordered FeRh compound is used as an example, as it displays a metamagnetic transition that depends sensitively on the degree of chemical order and the exact composition of the alloy.
10:07
Improving Thermoelectric Properties of Bi2Te3 Thin Films By Manganese Co-Sputtering
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2026
A radiofrequency co-sputtering protocol was developed to fabricate manganese-doped Bi2Te3 thin films and evaluate how manganese input influences structural and thermoelectric transport properties. Moderate manganese incorporation improved film uniformity and power-factor-related transport behavior, while higher manganese input increased structural disorder and resistivity.
13:02
Microfabrication of Nanoporous Gold Patterns for Cell-material Interaction Studies
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Cited by 16 •
2013
We report on techniques to micropattern nanoporous gold thin films via stencil printing and photolithography, as well as methods to culture cells on the microfabricated patterns. In addition, we describe image analysis methods to characterize morphology of the material and the cultured cells using scanning electron and fluorescence microscopy techniques.
FAQs
Argon plasma supplies positively charged ions that accelerate toward the gold-palladium target. Their bombardment ejects target atoms, which travel through the vacuum and condense on the specimen. This sequence links plasma generation, target erosion, and deposition, allowing a metal film to form across the sample surface rather than relying on direct application of a coating.
Cells, tissues, and macromolecular assemblies are nonconductive, so electron exposure can produce surface charging and unstable signals. The deposited gold-palladium film provides a conductive pathway that reduces charging and improves signal stability. As a result, scanning electron microscopy can produce more consistent surface information from biological specimens during morphological analysis.
Coating thickness requires a balance between conductivity and preservation of surface detail. A controlled film can reduce charging while maintaining the specimen’s existing morphology, whereas excessive deposition could obscure fine surface features. In biochemical imaging, controlling this parameter supports high-resolution analysis by improving signal behavior without unnecessarily masking structures on cells, tissues, or assemblies.
The specimen is placed in a vacuum chamber, where argon plasma is generated. Positively charged argon ions then bombard the gold-palladium target, ejecting metal atoms. Those atoms condense onto the specimen, and the resulting film is controlled to provide conductivity while preserving relevant surface features. The coated sample is then suited to scanning electron microscopy or related surface analysis.
The approach is relevant to nonconductive biological materials, including cells, tissues, macromolecular assemblies, and other biochemical specimens requiring surface-sensitive examination. Applying the conductive film helps these samples produce more stable electron-microscopy signals. This makes their external morphology easier to analyze while retaining surface information needed for high-resolution biochemical imaging.
Coated specimens can support high-resolution analysis of surface morphology and structural features. Improved signal stability makes observations more consistent, while reduced electron charging helps limit imaging problems associated with nonconductive biological material. In biochemistry, this preparation therefore supports examination of cellular, tissue, and macromolecular surfaces rather than only their general composition or bulk properties.