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SVConnections May 2016
May 2018

Conductive, High-Toughness Oxides Deposited by Plasma Spray - Physical Vapor Deposition (PS-PVD) 

From  Tech Briefs, February 1, 2018, by John H. Glenn Research Center:
 
"Oxide coatings deposited in Glenn Research Center's Plasma Spray-Physical Vapor Deposition (PS-PVD) facility can be processed to be mechanically tough (erosion-resistant) and electrically conductive at room temperature. The electrically conductive phase contained within the oxide (MO2) coatings is a metastable suboxide (MO) that has not been formed in significant volume by any other known methods. Content of the electrically conductive phase can be varied in addition to the microstructure, which can be columnar, planar, or a combination of the two depending on the processing conditions. Upon exposing the material to moderate temperatures (>300 °C), the metastable phase is further oxidized (to MO2) and the material becomes insulating, but retains its high toughness and microstructure."   READ FULL ARTICLE.

 

Self-Healing Metal Oxides Could Protect against Corrosion

From MIT News, April 3, 2018 by David L. Chandler:
 
"MIT researchers have found that a solid oxide protective coating for metals can, when applied in sufficiently thin layers, deform as if it were a liquid, filling any cracks and gaps as they form. The thin coating layer should be especially useful to prevent leakage of tiny molecules that can penetrate through most materials, such as hydrogen gas that could be used to power fuel-cell cars, or the radioactive tritium (a heavy form of hydrogen) that forms inside the cores of nuclear power plants.

The team used an environmental TEM (E-TEM) that allows the sample to be studied in the presence of gases or liquids of interest.The researchers demonstrated inside the E-TEM that the aluminum with its oxide coating could be stretched to more than double its length without causing any cracks to open up."
    READ FULL ARTICLE. 
  
Source: MIT News
 

Nano-Architecting Metallic Glass

From Advanced Science News, March 15, 2018 by Sandra Kalveram:

"Nano-architecting is one design strategy to create lightweight materials that can withstand the harsh conditions in radiation-intensive applications, such as space. By nano-architecting, a key dimension of a structure is kept at the nanoscale without limiting the overall size of the structure, for example a large lattice composed of beams with beam wall thicknesses on the nano-scale.

Metallic glass is a candidate material for such nano-architecting as it is strong, highly elastic, and can exhibit deformability when the characteristic dimension of the metallic glass is kept to the nano-scale. Metallic glasses have also been shown to exhibit improved deformability when subjected to irradiation. In an effort to exploit both these effects, researchers at Caltech fabricated metallic glass nano-lattices and irradiated them.
"
READ FULL ARTICLE.
 

Edges and Corners Increase Efficiency of Catalytic Converters

From Deutsches Elektronen-Synchrotron (DESY, Germany), Research Centre of the Helmhotz Association, March 26, 2018:
 
"Catalytic converters for cleaning exhaust emissions are more efficient when they use nanoparticles with many edges. This is one of the findings of a study carried out at DESY's X-ray source PETRA III. A team of scientists from the DESY NanoLab watched live as noxious carbon monoxide (CO) was converted into common carbon dioxide (CO2) on the surface of noble metal nanoparticles like those used in catalytic converters of cars. "   READ FULL ARTICLE.
  
 
High-Speed and On-Silicon-Chip Graphene Blackbody Emitters 

From  Japan Science and Technology Agency (JST), March 29, 2018:
 
" High-speed light emitters integrated on silicon chips can enable novel architectures for silicon-based optoelectronics. However, compound-semiconductor-based light emitters face major challenges for their integration with a silicon-based platform because of their difficulty of direct fabrication on a silicon substrate. At Japan Science and Technology Agency, high-speed, highly-integrated graphene-based on-silicon-chip blackbody emitters in the near-infrared (NIR) region including telecommunication wavelengths were developed. Researchers fabricated integrated two-dimensional array emitters with large-scale graphene grown by chemical vapor deposition (CVD) method and capped emitters operable in air.   READ FULL ARTICLE.
 
  
 

Exploring the Thermoelectric Properties of Tin Selenide Nanostructures

From  the AIP Publishing, March 27, 2018 by AIP News Staff :

" Single crystal tin selenide (SnSe) is a semiconductor and an ideal thermoelectric material; it can directly convert waste heat to electrical energy or be used for cooling. When a group of researchers from Case Western Reserve University in Cleveland, Ohio, saw the graphene-like layered crystal structure of SnSe, they recognized this material's potential to be fabricated in nanostructure forms. They used a chemical vapor deposition (CVD) process to grow SnSe nanostructures.  Electric charges in a nanostructured tin selenide (SnSe) thin film flow from the hot end to the cold end of the material and generate a voltage. " READ FULL ARTICLE.
 

Dragonfly-Inspired Nanocoating Kills Bacteria upon Contact

From  A*STAR Research (Singapore), March 28, 2018:

" Studies have shown that the wings of dragonflies and cicadas prevent bacterial growth due to their natural structure. The surfaces of their wings are covered in nanopillars making them look like a bed of nails. When bacteria come into contact with these surfaces, their cell membranes get ripped apart immediately and they are killed. This inspired researchers from the Institute of Bioengineering and Nanotechnology (IBN) of A*STAR to invent an anti-bacterial nanocoating for disinfecting frequently touched surfaces such as door handles, tables and lift buttons. The zinc oxide nanopillars can kill a broad range of germs like E. coli and S. aureus that are commonly transmitted from surface contact. READ FULL ARTICLE.

S ource: A*STAR Research
Image:  A*STAR Research  
 

Metal-oxide/Graphene Nanosheet Composite Exhibits Unprecedented Energy Storage Properties

From Nanowerk, March 27, 2018:

"Researchers at the International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Japan, describe the synthesis of superlattice-like MnO2/graphene 2D nanostructures that exhibited the best figures of merit for energy storage reported to-date. They have taken two types of 2D materials with differing properties and formed an advanced composite material with synergistic characteristics that are not exhibited by a single material. " READ FULL ARTICLE.

Source:  Nanowerk
Image:  NIMS
 
Understanding ALD, MLD and SAMs as They Enter the Fab

From Solid State Technology, March 2018, by Barry Arkles, et al.:

" Device and system technologies across several industries are on the verge of entering the sub-nanometer scale regime. This regime requires processing techniques that enable exceptional atomic level control of the thickness, uniformity, and morphology of the exceedingly thin (as thin as a few atomic layers) film structures required to form such devices and systems.

Atomic layer deposition (ALD) has emerged as one of the most viable contenders to deliver these requirements. This is evidenced by the flurry of research and development activities that explore the applicability of ALD to a variety of material systems, as well as the limited introduction of ALD TaN in full-scale manufacturing of nanoscale integrated circuitry (IC) structures. Both the success and inherent limitations of ALD associated with repeated dual-atom interactions have stimulated great interest in additional self-limiting deposition processes, particularly Molecular Layer Deposition (MLD) and Self- Assembled Monolayers (SAM). MLD and SAM are being explored both as replacements and extensions of ALD as well as surface modification techniques prior to ALD.
READ FULL ARTICLE.
  
 

Very Thin Film Could Help Manage Heat Flow in Future Devices

From Purdue University, March 26, 2018 by Kayla Wiles:
 
" Purdue University researchers have demonstrated the ability of a thin film to conduct heat on just its surfaces, identifying a potential solution to overheating in electronic devices such as phones and computers. The researchers found that the thinner the film is, the higher the thermal conductivity. They also discovered that the ratio of thermal conductivity to electrical conductivity at the surface of the topological insulator materials can be more than 10 times higher than the Sommerfeld value, which is the standard value known for most metals and semiconductors determined by the Weidemann-Franz law. READ FULL ARTICLE.
  
 

Effects of the EU's REACH and RoHS Regulations on Optical and Filter Glass

From SPIE Newsroom, April 31, 2018:
 
" On 16 June 2017, the EU published two commission-delegated directives (EU 2017/1009 and 1011) extending the exemptions for optical and filter glass to July 2021. The optical glass exemptions are: lead in ion colored optical filter glass types, cadmium in optical glass types, and cadmium and lead in glazes used for reflectance standards. Now is a propitious time to exclude optical materials from the scope of EU-RoHS. This will require considerable lobbying effort. "    READ FULL ARTICLE.

Source: Hartmann, P.,  SPIE Newsroom, DOI: 10.1117/2.2201804.01.
Image:  European Union
 
 

MicroLED Displays: The Patent Landscape Reflects the Dynamisms of the Sector

From  Solid State Technology, February 2018:
 
" This year again, the Las Vegas Consumer Electronics Show, 2018 edition allowed us to discover the latest innovations in numerous fields including the microLED displays sector. "The Wall", a 146" microLED TV powered by Samsung, has been the most impressive announcement. The microLED display sector has been deeply analyzed by Yole and KnowMade, a partner in the Yole Group. The partners have made a detailed patent analysis titled: Microled Displays: Intellectual Property Landscape. They identified key patents, technology nodes and players related to microLED technologies for display applications.   READ FULL ARTICLE.
  
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2018 AIMCAL R2R Europe Conference 
 
June 4 - 7, 2018
Freising, Germany
 
Join us June 4 - 7 in Freising, Germany for the 2018 AIMCAL R2R Europe Conference. The is the European premiere roll to roll, web coating and finishing conference. Enjoy presentations from top consultants and short courses brought to you by industry professionals. Registration is now open.
 

 

9 th International Conference on Fundamentals and Industrial Applications of HIPIMS
 
 

June 25 - 28, 2018 Sheffield, UK 
 
HIPIMS 2018 will provide a forum for presenting the latest research by scientists and engineers from industry, engineering institutes and academia. Contributions will cover fundamental scientific aspects as well as application-oriented research and development. In addition, successful introduction to market of new products utilizing HIPIMS will be addressed.  In addition to the technical program, there will be short courses and a technical exhibit

 

2018 SEMICON West 
 
July 10 - 12, 2018
San Francisco, CA
 
Go Beyond SMART at SEMICON West, July 10-12
Connect, collaborate, and sharpen your competitive edge. Immerse yourself in Smart Transportation, Smart Manufacturing, MedTech, Big Data, IoT, and cognitive technologies that are transforming the world. 700 exhibitors, 80 hours of programs, and an expanded Meet the Experts Theater. This year's Expo is like no other. San Francisco, CA. Register.

 

SVCF logo

Society of Vacuum Coaters Foundation

Founding Principle: The Society of Vacuum Coaters recognizes that in order to sustain its growth, it is important to attract young, well trained individuals to the field of Vacuum Coatings.

The SVC Foundation pursues this principle by providing scholarships to well qualified students planning to enter fields related to vacuum coatings, and/or providing stipends for travel expenses to attend the annual SVC Technical Conference, usually to present technical papers. The Society of Vacuum Coaters (SVC), the SVCF's founder, and AIMCAL, an organization committed to advancing vacuum roll-coating technology, and their members, provides support for the Foundation to pursue these goals.

Since its inception in 2002, the SVCF has awarded more than 50 scholarships and travel awards totaling over $180,000 to students from 18 countries. Our support can really have an impact in the life of these students; quoting a recent award recipient:

"Not only does the scholarship give the gift of financial support and the possibility to continue learning, it also gives those that have a passion for vacuum coating the blessing of attending such a wonderful program [SVC TechCon] to network and further their knowledge."

Inviting scholarship recipients to the SVC TechCon is an important element of the overall strategy for attracting new talent to our industry. Scholarship beneficiaries carry a special identification on the TechCon badge and we encourage you to meet them and make them feel welcome.

Scholarship Applications must be postmarked by November 30th of each year.


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Interested in sharing the latest news in vacuum coating technology?  Forward us a link to an article you want to share with the rest of the SVC readership to  svcinfo@svc.org .  Purchase advertising space in this newsletter by contacting SVC at svcinfo@svc.org .  

SVConnections Contributing Editors: 
Carl M. Lampert, SVC Technical Director 
Joyce Lampert


Society of Vacuum Coaters 
PO Box 10628
Albuquerque, NM 87184
505.897.7743
 

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