Science and technology 2002.
Ceramic superconductors buy.
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This superconductor has a critical transition temperature around 90k well above liquid nitrogen s 77k.
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The superconductor we will be experimenting with is an yttrium y barium ba and copper cu composition.
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The highest critical current density is achieved when x 0 so that the composition is yba 2 cu 3 o 7 but the material remains superconducting for values of x down to about 0 5.
Yba 2 cu 3 o 7 x was the first ceramic superconductor discovered with t c greater than liquid nitrogen temperature.
Amazingly we found a small manufacturer of superconducting pellets right here in town.
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Ceramic superconductors are generally heavy metal oxides and neutron diffraction has long been superior for the precise location of light atoms such as hydrogen and oxygen in the presence of heavy atoms.
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Magnetic levitation using a superconductor is one of the most dramatic physics experiments ever.
Hewat in encyclopedia of materials.
The advantage of neutron diffraction for locating oxygen is obvious from fig.
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The kit includes 1 superconducting ceramic disc about 1 diameter an excellent.
326388 copper superconductor.
Chemical formula is yba2cu3o7.
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10 new high temperature superconductors.
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329137 copper superconductor.