Graphene - a wonderful material of the future | GizManiak.pl
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The world went crazy about graphene. This two-dimensional allotropic variety of carbon soon could revolutionize the electronics and supplant silicon microprocessors. What's so special about graphene? Does this stuff actually lead us into a new era of technology?
Graphene is a allotropic form of carbon. It was discovered in 2004. By the Russian-British pair of scientists: Konstantin Novoselov and Andre Geim, for which six years later they were awarded the Nobel Prize in physics. Fathers of the project admit that a series of coincidences meant that discovered metal foam graphene. We were able to be isolated directly from graphite, and is used as a substrate ... normal metal foam adhesive tape. Novoselov and Geim glued to the tape stylus pieces of graphite from a pencil, and then analyzed them. For any time, we managed to obtain two-dimensional form of carbon, which is very durable, and they're good conductor of heat and electricity. Up to this point, scientists from around the world did not believe that the mononuclear layer of any material can be stable. metal foam Sixth shade occurrence of allotropy
To understand what is unusual in graphene, it is worth looking at the other alotropowym varieties of coal. The best-known and most common variety of carbon is graphite. Due to its physical properties (a good conductor of heat, electricity and resistant to high temperatures) it is commonly used for electrodes, composite materials metal foam or contributions to pencils.
Another widely used form of carbon is diamond. Because of the high price is mainly associated with the jewelery. Since this is the hardest metal foam naturally occurring material, good thermal conductivity, electrically insulating, and is difficult to melt, it is used for the production of abrasives, polishes, thermal conduction, cutting tools or phonographic needles.
More than 30 years ago it discovered another allotropic form of carbon - fullerenes. But so far it failed to develop efficient and cost-effective methods for producing fullerenes, and does not find a suitable use for them. Fullerenes unusual structures, metal foam because they create metal foam a closed, hollow body with a shape resembling a ball for American football. The number present at the called fullerene (50, 70 or 540) defines the number of carbon atoms, of which the structure is composed.
Yet another look carbon nanotubes. As the name suggests, they have the form of hollow cylinders, although they are very durable. They involve great promise for the future, even though - as in the case of fullerenes - there are currently no effective methods for producing nanotubes.
Computer simulations have shown that there may be allotropic form of carbon, even harder than diamond - lonsdaleit. However, scientists can not confirm this information, since lonsdaleit so far been found in trace amounts in meteorites, and is in addition not all. It is not known how many
Articles What to buy? | 35 Columns | 120 Contests | 23 Easy going | 159 reviews and comments | 9 Tutorials | 52 rankings | 13 Tests and reviews | 102 Arena | 8 It is good to know! | 20 Interviews and reports | 7 ISS excels in space debris Space junk is a serious problem .... The most interesting drones for the photographer (2015) times when the word was associated drone ... 3D printing, as a cure for type 1 diabetics Researchers are increasingly The topics closer to the limits of ... Computer Accessories | 551 audio | Biology 307 | 2 News | 1406 Printer | 52 Environment | 69 Photography | 84 Games | 366 Hardware | Humor 394 | 121 Releases | 176 Internet | 150 Cells | 128 Computers | 435 AIO | 50 Space | 16 Fashion | Monitors 171 208 | Automotive metal foam | 142 Navigation | 60 Unusual | Storage Media 556 | 190 Software metal foam | 66 PMP | Travel 189 | 142 Robotics | 76 Entertainment and Media | 280 electronics and appliances | 605 Networking and Communications | 204 Sport | 72 Technology | News from market metal foam 522 | 472 Toys | Previews 176 | 654 Watches and clocks | 104 Hunters promotion | 29 ISS excels in space debris Space junk is a serious metal foam problem .... The most interesting drones for the photographer (2015) metal foam times when the word was associated drone ... 3D printing, as a cure for type 1 diabetics Scientists are getting closer to the limit ... Manufacturers Acer | 43 AMD | 49 Antec | 1 AOC | 20 Apple | ASUS 148 | 128 Bayan Audio | 1 Blow | 7 Canon | Casio 14 | 12 Creative | 20 Dell | 21 Denon | 6 Digitus | 2 Dignity | 9 Electrolux | 3 Energizer | 5 Freecom | 3 Garmin | 17 GOCLEVER | 9 Hama | 22 Hannspree | 2 HP | 40 iiyama | 23 Intel | 47 Jabra | 3 Kingston | 21 Lark | 6 Lenovo | LG 28 | 55 Logitech | 25 Microsoft | 148 Mio | 14 Motorola | 8 MSI | 40 NavRoad | 8 Nokia | 20 Nvidia | 43 Overmax | 6 Packard Bell | 5 Panasonic | 20 Philips | 37 Plantronics | 6 Platinet / Omega | 4 others | 982 Prestigio metal foam | 1 Samsung metal foam | Sanyo 143 | 4 SAPPHIRE | 4 Sony | 168 TomTom | 3 Toshiba metal foam | Transcend 13 | 24 TRENDnet | 22 Verbatim | 21 Western Digital | 32
The world went crazy about graphene. This two-dimensional allotropic variety of carbon soon could revolutionize the electronics and supplant silicon microprocessors. What's so special about graphene? Does this stuff actually lead us into a new era of technology?
Graphene is a allotropic form of carbon. It was discovered in 2004. By the Russian-British pair of scientists: Konstantin Novoselov and Andre Geim, for which six years later they were awarded the Nobel Prize in physics. Fathers of the project admit that a series of coincidences meant that discovered metal foam graphene. We were able to be isolated directly from graphite, and is used as a substrate ... normal metal foam adhesive tape. Novoselov and Geim glued to the tape stylus pieces of graphite from a pencil, and then analyzed them. For any time, we managed to obtain two-dimensional form of carbon, which is very durable, and they're good conductor of heat and electricity. Up to this point, scientists from around the world did not believe that the mononuclear layer of any material can be stable. metal foam Sixth shade occurrence of allotropy
To understand what is unusual in graphene, it is worth looking at the other alotropowym varieties of coal. The best-known and most common variety of carbon is graphite. Due to its physical properties (a good conductor of heat, electricity and resistant to high temperatures) it is commonly used for electrodes, composite materials metal foam or contributions to pencils.
Another widely used form of carbon is diamond. Because of the high price is mainly associated with the jewelery. Since this is the hardest metal foam naturally occurring material, good thermal conductivity, electrically insulating, and is difficult to melt, it is used for the production of abrasives, polishes, thermal conduction, cutting tools or phonographic needles.
More than 30 years ago it discovered another allotropic form of carbon - fullerenes. But so far it failed to develop efficient and cost-effective methods for producing fullerenes, and does not find a suitable use for them. Fullerenes unusual structures, metal foam because they create metal foam a closed, hollow body with a shape resembling a ball for American football. The number present at the called fullerene (50, 70 or 540) defines the number of carbon atoms, of which the structure is composed.
Yet another look carbon nanotubes. As the name suggests, they have the form of hollow cylinders, although they are very durable. They involve great promise for the future, even though - as in the case of fullerenes - there are currently no effective methods for producing nanotubes.
Computer simulations have shown that there may be allotropic form of carbon, even harder than diamond - lonsdaleit. However, scientists can not confirm this information, since lonsdaleit so far been found in trace amounts in meteorites, and is in addition not all. It is not known how many
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