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More than just diamonds to adorn

  • Author:Sherry Huang
  • Source:www.boreway.net
  • Release on :2016-03-15
Diamond in the diamond mineralogy called, is the only known treasures ore from a single crystal of carbon elements. From the elemental sense, diamonds and pencil is a "family", but the difference on the crystal structure allows them had cloud of mud.

Westerners very early diamond as a treasure and gives it a variety of symbol: wealth, power, status, immaculate quality and so on. But the history of our country very long time, the only purpose is diamond carved jade. Qin Classics "Book of Songs" said, "Stones from other hills may serve to polish jade", the so-called "stone hills," refers to a number higher than the hardness of jade, jade carving of mineral crystals that can be used, which could include a diamond. Jin Dynasty literature clearly documented, "Diamond": "Xianning three years, send the Dunhuang Diamond, raw gold, 100 Amoy Needless, can cut jade, Tianzhu out." "Out now go around the diamond, and the case of stone like gold, honorable can be carved jade, cloud foreigners with the provision of evil. "this exotic products are mainly visible wound up with its famously hardness unnoticed.

After using the popularity of ceramics, diamonds in ancient China gradually have the second largest use: make porcelain. Make porcelain, also known as curium porcelain process, namely the use of diamond and curium nail "sew" cracked porcelain. Curium nail shape staple is flat concave metal sheet; and a rod-shaped diamond tool, which has a diamond tip, 1-2 mm in diameter, slightly larger than the needle tip. Diamond drilling on the tiles, and then ends curium nail driven into the hole, you can along the lines of the broken tiles connected. Saying "there is no diamond, do not embrace porcelain live", it shows the importance of curium porcelain diamond technology. Sources curium porcelain technology has been unable to test, but in the Northern Song Dynasty zhangzeduan paintings "painting" already have curium Carpenter QUICKER scene. Ming Li's "Compendium of Materia Medica" there is a description of the diamond "diamond, which can be drilled jade fill sand porcelain, so that the drill", "as a hairpin loop wear clothes, evil gas"; Zhang Dai "night boat" also contains a "diamond , shaped like mouse droppings, color Qinghei, born on Western baizhang underwater rock, no water to find the natives to engrave the engraving, non-kin is not broken, only to hit the antelope horn that is broken. " One of the reasons so-called "hit the antelope horn that is broken," reflects the diamond poor toughness at least fragile than jadeite and nephrite, etc., perhaps this is the ancients rarely use it for jewelry, think "Dream of Red Mansions" in Jia gem psychic gem is frequently fall, if changed to "drill through Lingbao" I'm afraid I do not know already broken into a few pieces. In short, in Chinese history, the diamond is a long time to make up the drill jade porcelain, cutting eye holes tools, decorative effect has been a back seat, until the Ming and Qing Dynasties Royal have greater demand.


Today, the use of the latest diamond is impressive: a solid-state quantum computing to achieve spin carrier material. This time, the use of diamond flaws: Most natural diamonds and synthetic diamonds will contain a nitrogen atom and a vacancy impurities (ie, missing carbon atoms), the use of diamond nitrogen - vacancy center as a quantum probe in nano perceived extremely weak magnetic signals within a distance class. China University of Science and Technology researchers have experimentally, individual protein molecules with markers placed on the diamond surface, with diamond nitrogen - vacancy centers, successfully at room temperature under atmospheric conditions for the first time to obtain a single protein molecule spin resonance spectroscopy.

The outcome is expected to help people from a single molecule level to explore the mechanism of life and material sciences, for multiple disciplines physics, biology, chemistry, materials and other far-reaching significance. Maybe someday, people will need a diamond to explore the source of the disease.