Materials scientists say that we can obtain and process diamond nanofilms in a simple way, and then place them on a wide variety of equipment to test this extraordinary material on a variety of equipment.
Diamond film is one of the most extraordinary materials on earth. Not only high strength, high transparency, but also good thermal conductivity. Although they are biologically inert, we can attach molecules to their surfaces to make their chemical properties active. More importantly, when they are doped with additives, they become semiconductors and can be applied to electronic circuits.
It's no wonder that materials scientists are looking forward to the future of diamonds, and they want to apply diamonds more or less to all the devices they can think of.
The problem is that the diamond film must be grown in a high temperature pure hydrogen atmosphere, which is not compatible with other micro devices such as silicon chip fabrication methods.
So a useful way is to find a way to grow the diamond film in one place and then transfer it to another place so that the diamond film can be placed on the chip or other device.
Today, Venkatesh Seshan of the Dutch Academy of Nanosciences and several companions say they have improved a method of growing diamond films on quartz substrates, then separating them, and finally placing the resulting diamond film on other devices.
The team first placed the nanodiamond seed crystal on the quartz surface and heated it to more than 500 C in a hydrogen plasma atmosphere. The seed crystal then grows to give a 180 nm thick, transparent diamond crystal surface.
The team refined a new technology for separating diamond films from substrates. During the growth of the diamond film, these materials expand at different rates to create stress that separates one layer of material from the other. â€œBy choosing the right conditions, the stress can be made enough to cause the 180 nm thick diamond film to fall off the quartz surface, forming numerous sheets,â€ Seshan and his partner said.
The team used an optical microscope to identify the diamond flakes and then peeled them off with a layer of adhesive film, just like a piece of graphite tape with clear tape. The adhesive film is positioned on a device such as an electronic circuit and then pressed into place. The adhesive film is slowly peeled off from the diamond nanosheets, which takes 10 minutes.
Seshan and his partners tested their technology by producing a large number of diamond thin film devices. These devices include drum resonators, electronic circuits, and even placing diamond sheets on top of other sheets of material to prove that it is quite possible to create entirely new materials with alternating layers of material.
The new technology allows the team to easily characterize nanodiamond films in a range of new situations. It also opens the way for the widespread use of nano-diamond films in other areas.
Of course, there is one point to declare in advance. Determining and positioning nanosheets is a time consuming process. Therefore, this technology cannot be applied to equipment for mass production of diamond flakes. Therefore, there is still a long way to go in large-scale automatic positioning and parallelization technology.
But with the rapid development of machine vision technology, it may break this limitation in the near future. It is only this large-scale parallelization of manufacturing technology that requires more research.
The potential of this technology is obvious, it can bring a new technology to complement the silicon era and graphene era we are currently experiencing. In other words, we can begin to look forward to the arrival of the "diamond" era.
Name: According to the name, it is divided into: diamond net, chain link net , rhombic net, ring net, ring net, hook net, flexible net, anchor net. Zinc-Diamond Mesh, plastic coated diamond mesh (pvc, pe plastic),
Dip plastic diamond mesh, spray plastic diamond mesh.
According to use: decorative diamond net, high beam diamond net (simple fence net), protective diamond net
Another classification: stainless steel diamond mesh (materials 201, 302, 304, 304L, 316, etc. do not need surface treatment).
Material: high quality low carbon steel wire (iron wire), stainless steel wire, aluminum alloy wire.
Weaving and characteristics: uniform mesh, flat surface, simple weaving, crocheting, beautiful and generous;
High-quality mesh, wide mesh, thick wire diameter, not easy to corrode, long life and strong practicability.
Widely used in highway, railway, highway and Other Fence network facilities. It is also used for interior decoration, raising chickens, ducks, geese, rabbits and zoo fences. Protective nets for machinery and equipment, conveyor nets for machinery and equipment. Fences in sports venues, protective nets for road green belts. After the wire mesh is made into a box-shaped container, the net box is filled with random stones and the like to become a gabion net. It is also used to protect and support seawalls, hillsides, roads and bridges, reservoirs and other civil engineering. It is a good material for flood control and flood control. Can also be used for handicraft manufacturing. Warehouses, tool room refrigeration, protective reinforcements, marine fishing fences and fences at construction sites, rivers, slopes with fixed soil (rock), residential security, etc.
Example of diamond net used as animal purse:
Application principles and examples of the diamond net stadium:
Tennis court galvanized chain link net system Tennis court that provides protection and security economically.
Tennis Court Galvanized Chain Link Fence For many years of maintenance-free, durable protection made the galvanized chain link tennis court system fence selection for decades. Master Harco coats all steel chain link components with zinc proven anti-corrosion technology for more than 200 years. The chain link tennis court system is easy to install and provides a high level of security.
Application: Galvanized tennis court chain link fence system has long been inclined to define property lines, economically attach court facilities and value-added property. The chain link system also allows deductions for easy attachment wind control.
Features and Benefits: Tennis court chain link fence systems are commonly used because they are durable and easy to install. The full steel wire component of the master haar galvanized chain link tennis court system is hot-dip galvanized and secured to guarantee a 12-year-old coating. The posts between the frame terminals that are used to attach the chain link structure are made of aluminum, resulting in maintenance-free security. Tennis court systems used in some installations are made of pressed steel and cast iron for added durability.
Use of diamond net for canal riverbed:
â— Control and guide rivers and floods
The most serious disaster in rivers is the erosion of river banks by water currents, which causes flooding, which results in heavy losses of life and property and large amounts of soil and water loss. Therefore, when dealing with the above problems, the application of diamond mesh structure (gabion and padding) has become one of the best solutions, which can permanently protect the river bank.
â— Channel canal riverbed
The construction of the channel involves the stability of slopes and riverbeds. Therefore, the diamond-shaped mesh pad laying structure is the main method used in the reconstruction of many natural rivers and the excavation of artificial channels for hundreds of years. It can effectively and permanently protect the river bank or river bed. It also has the function of controlling water flow and preventing water loss, especially in environmental protection and water quality maintenance, which has excellent effects.
â— bank revetment
The diamond mesh gabion and padding is a very successful example of river bank protection and its slope foot protection. It takes full advantage of the diamond mesh and achieves the ideal effect that other methods cannot achieve.
1. The flexible structure can adapt to the change of the slope without being damaged, and has better safety and stability than the rigid structure;
2. Strong anti-erosion ability, can withstand the maximum water flow speed up to 6m / s;
3. The rhombic mesh structure is inherently permeable, and has a strong tolerance for the natural action and filtration of groundwater. Suspended matter and silt in the water can be precipitated in the rockfill gap, which is conducive to the growth of natural plants. Gradually restore the original ecological environment.
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