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The characteristic of diamond
Diamond is a kind of extreme functional material, which integrates many excellent properties such as maximum hardness, maximum thermal conductivity, minimum compression rate, widest light transmission band, radiation resistance, strong acid and strong alkali corrosion resistance, etc. Therefore, diamond has become an indispensable material in many fields such as industry, science and technology, and national defense.
Synthetic diamond plate have widely used in industry and science including diamond tools,diamond rotary tools,optical windows,Diamond heat sink material and diamond plate for semiconductor.
A recent MIT lab study shows that tiny diamond rotors could improve protein research
A technique known as magic-angle spinning nuclear magnetic resonance (MAS-NMR) has proven to be a very successful method for determining the properties of complex molecules such as certain proteins. But the resolution achievable by such systems depends on the rotational frequency of the tiny rotors, and these systems have overcome the limitations of the rotor materials. Such MAS-NMR systems are widely used in biochemical research as a tool to study the molecular structure of materials, including proteins, that are difficult or impossible to probe using other standard laboratory methods. These include not only amyloid fibrils, but also membrane proteins and some viral assemblies. But some of the most pressing challenges in biomedicine and materials science go far beyond the resolution of today’s MAS-NMR systems. Most of these devices in use today rely on rotors made of yttria-stabilized zirconia that are as thin as a pin. Such rotors disintegrate at spin speeds much higher than a few million revolutions per minute, limiting the materials that can be studied with such systems. But now, MIT researchers have developed a way to make these tiny, precise rotors out of pure diamond crystals, whose greater strength allows them to spin at higher frequencies. This advance opens the door to studying a variety of important molecules, including those found in amyloid plaques associated with Alzheimer’s disease.
This image shows the process of making a hollow cylinder from a block of diamond. As the laser beam burns away the outer and inner layers of the diamond, it spins
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