Chemtrails and barium salts chemtrails spraying and barium. There are also many medical applications that it is used for. This prevents barium peroxide from forming when it is heated. We also manufacture yttrium barium copper oxide, neodymium barium copper oxide, praseodymium barium copper oxide, gadolinium barium copper oxide, and additional products based on customer request. Barium oxide is made by heating barium carbonate with carbon. It can also be made by heating barium nitrate uses. The story of yttrium barium copper oxide ybco for short is the story of superconductivity, which goes back over 100 years to 1911. Yttrium barium copper oxide substance information echa. Chemical precipitation method of synthesis of copper oxide, zinc oxide, lead oxide and barium oxide nano particles 0. It is harmful to human skin and if swallowed in large quantity causes irritation. Physical properties of the quaternary yttrium barium copper oxide superconductor yba2cu3o7 gary f. I am currently developing blueprints for an anti gravity device, i am pretty much sorted with the supply of chemicals apart from yttrium barium copper oxide. A wide variety of yttrium barium copper oxide options are available to you, there are 22 suppliers who sells yttrium barium copper oxide on, mainly located in asia. Specific heat of praseodymium doped yttrium barium copper.
Yba 2 cu 3 o 7 can be regarded as being derived from semiconducting yba 2 cu 3 o 6 by doping with o 2 charge carriers formed by oxidation. Within a year an yttrium barium copper oxide ceramic, yba 2 cu 3 o 7, had been discovered to have a t c higher than 77 k, the boiling point of nitrogen. The substance identity section is calculated from substance identification information from all echa databases. The substance identifiers displayed in the infocard are the best available substance name, ec number, cas number andor the molecular and structural formulas. In the simplest sense, salt gives water or moisture the ability to carry an electrical charge. Definition yttrium barium copper oxide ybco, is a family of crystalline chemical compounds, famous for displaying hightemperature superconductivity. Barium oxide is made by the thermolysis of salts such as barium carbonate. Properties of yttrium barium copper oxide ybco containing. Scientific research and development supplier details. It is a crystalline chemical compound with the formula yba2cu3o7xt, and is often used as a superconductor.
Ybco is a superconductor at relatively high temperatures. Scientific research and development manufacturersupplier. Yttrium barium copper oxidefilled polystyrene as a. Cu ratios exist, such as yba2cu4oy y124 or y2ba4cu7oy y247.
Yttrium barium copper oxide chemical compound britannica. Rheed patterns recorded after the deposition of one and four unit cell layers of yttrium barium copper oxide yba 2 cu 3 o 7. Sds certificate of analysis technical inquiry this item cannot be ordered online at this time. It has a cubic structure and is used in cathode ray tubes, crown glass, and catalysts. Barium glazes are well known for thier ability to produce matte turquoise colors with copper. Many ybco compounds have the general formula yba2cu3o7x also known as y123, altho. Does anybody know where i can purchase yttrium barium copper oxide, preferably in the form of a disk from 5cm 32. Barium oxide, bao, baria, is a white hygroscopic nonflammable compound. Yttriumbariumcopper oxide pieces msds special notice. Yttrium barium copper oxide yba2cu3o7 molar mass, molecular weight. If a current is set up in a closed loop of such a material, in principle it will continue to flow forever. It reacts with acids to make barium salts preparation.
Synthesis and characterization of barium titanium oxide batio 3 and calcium copper titanium oxide cacu 3ti 4o 12 pellets and thin films by yeoh cheow keat thesis submitted in fulfilment of the requirements for the degree of doctor of philosophy may 2008. Holmium barium copper oxide is a hightc superconducting ceramic in the family of rareearth doped barium copper oxides or barium cuprates. Pdf synthesis and characterization of yttrium oxide. The anode plates are cast in copper molds, so to avoid the contact of the liquid copper and the solid copper mold, a solution of barium sulfate in water is used as a coating material on the mold surface. Structure of ybco yttrium barium copper oxide yttrium atoms are yellow, barium atoms are purple, copper atoms are blue and oxygen atoms are red. Aluminum, barium, and chemtrails explained just the facts. Oct 22, 2015 ceramic material yttrium barium copper oxide 1. The clp regulation makes sure that the hazards presented by chemicals are clearly communicated to. Yttrium barium copper oxide ybco is a family of crystalline chemical compounds, famous for displaying hightemperature superconductivity. Soluble barium compounds are more likely to cause these effects than insoluble compounds. Mar 15, 2015 1968 us patent 3410670 fuel compositions then mixed with 230 grams 3 equivalents of barium oxide at 90 c.
Buy high quality yttrium barium copper oxide by triveni chemicals. Chemtrails and barium salts chemtrails spraying and. Yttrium oxide is the most important compound of yttrium. Green chemistry was used to prepare yttrium oxide y2o3, barium carbonate baco3, and copper oxide cuo nanoparticles nps using aqueous neem fruit extract azadirachta indica as a capping agent. Bariumyttriumcopper oxide how is bariumyttriumcopper. Yttrium barium copper oxides an overview sciencedirect. Yttrium barium copper oxide material safety data sheet health hazard information tlv. As barium sulfate has high burning point and is insoluble in water, it is used as a coating material in casting of copper anode plates. Ybco yttrium barium copper oxide podcast chemistry world. Rareearth bariumcopperoxide how is rareearth barium. The sodium bicarbonate solution is added drop wise under constant stirring to. The top countries of suppliers are china, india, from which the percentage of yttrium barium copper oxide supply is.
While strontium is often used to duplicate the matte texture of barium it does not have the same color response. Synonyms once available inventory is depleted, this item will no longer be available. Many ybco compounds have the general formula yba2cu3o7x also known as y123, although materials with other y. The lanthanum barium copper oxide crystal structure, the large green atoms are the mixture of lanthanum and barium atoms, with the blue atoms representing copper and the red atoms oxygen. Yttrium barium copper oxide superconductor chemical formula. Journal of alloys and compounds 251 1997 254263 elsevier precursors for chemical vapor deposition of yttrium barium copper oxide d. Superconductivity is a phenomenon whereby a number of pure metals and alloys offer no resistance whatsoever to the passage of electrical current below a certain critical temperature.
Jan 30, 2014 the lanthanum barium copper oxide crystal structure, the large green atoms are the mixture of lanthanum and barium atoms, with the blue atoms representing copper and the red atoms oxygen. While lead oxide raised the refractive index, it also. Media in category crystal structures of yttrium barium copper oxide the following 17 files are in this category, out of 17 total. Salt has a profound effect on the atmosphere and the human body. The hazard classification and labelling section shows the hazards of a substance based on the standardised system of statements and pictograms established under the clp classification labelling and packaging regulation. Baria is well known for its tendency to cause the growth of a fine mesh of micro crystals to produce a silky matte texture. Other articles where yttrium barium copper oxide is discussed. May 02, 2004 i am currently developing blueprints for an anti gravity device, i am pretty much sorted with the supply of chemicals apart from yttrium barium copper oxide. Copper compounds may be irritating to the skin, eyes and respiratory tract. Barium oxide is used as a coating for hot cathodes, for example, those in cathode ray tubes. The top countries of suppliers are china, india, from which the percentage of yttrium barium copper oxide supply is 95%, 4% respectively. Inhalation of fumes may cause sore throat, coughing, labored breathing, and irritation of the respiratory tract as well as the above symptoms. Material safety data sheet university of louisville. These cases are illustrated by yttrium barium copper oxide ybco.
Yttrium barium copper oxide often abbreviated ybco is an oxide of barium, yttrium, and copper. Resistance is futile lanthanum barium copper oxide. If the human body is converted into an electrical circuit then the ability to control that body through electrical stimulation becomes possible. Fagan c university of new south wales, sydney, nsw 25052, australia b institute of physics and technology of materials, po box mg7, magurele. Yttrium barium copper oxide yba2cu3o7 molecular weight. Precursors for chemical vapor deposition of yttrium barium. This finding raised the possibility of practical superconductors being cooled by liquid nitrogenas opposed to conventional superconducting materials. Rareearth barium copper oxide also referred to as rebco is a family of chemical compounds known for exhibiting high temperature superconductivity. Barium oxide simple english wikipedia, the free encyclopedia. Excessive quantities of barium oxide may lead to death. Request pdf synthesis of yttrium barium copper oxide0. By relatively high, i mean around 93k, which is still pretty chilly.
May, 2015 a series of lectures on superconductivity. It is used to make the hightemperature superconductor ybco yttrium barium copper oxide. Courtesy of professor bartek glowaki of the university of cambridge, who filmed, directed and edited the videos. Synthesis and characterization of barium oxide nanoparticles. This refers to the kind of layering seen in this complex metal oxide. May 30, 2017 barium oxide is used as a coating for hot cathodes, for example, those in cathode ray tubes. Barium oxide, bao, is a white hygroscopic nonflammable compound.
During the initial growth, that is, the deposition of the first few unit cell layers, the sharp 2d spots originating from the srtio 3 substrate are blurred into. Physical properties of the quaternary yttrium barium. Many ybco compounds have the general formula y ba 2 cu 3 o 7. Rebco superconductors have the potential to sustain stronger magnetic fields than other superconductor materials. It includes the first material ever discovered to become superconducting above the boiling point of liquid nitrogen 77 k at about 92 k. Copper anode plate casting moulds releasing agent barium. Sigmaaldrich offers a number of yttrium barium copper oxide products. What is known is that the composition of the copper oxide materials has to be precisely controlled if superconductivity is to occur. The oxidation number of barium in barium oxide is 2 synthesis. Barium oxide can be added to glass instead of leadii oxide. The copper and oxygen form copper oxide layers highlighted by the pink sheets which are critical to the strange properties of this material.
Yttrium barium copper oxide yba2cu3o7 molecular weight endmemo. Yttrium barium copper oxidefilled polystyrene as a dielectric material article in journal of applied polymer science 1204. It replaced leadii oxide in the production of certain kinds of glass such as optical crown glass. It also can catalyze some reactions, such as ethylene polymerization.
1077 65 521 195 1494 2 1482 493 965 495 931 1256 1457 718 251 872 1235 809 1441 667 12 885 1382 294 750 244 708 1134 820 1213 296 445 562 23 1224 1262 613 1018 1036 241 1007 1494