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Physics
Atomic and Condensed Matter
Why are more x-rays made from metal than glass
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[QUOTE="ZapperZ, post: 6044043, member: 6230"] But this is not the only way to generate x-rays. The other is via bremsstrahlung process where the electrons generate the EM radiation because they are being slowed down. This is where it is relevant to the OP's question, i.e. why is it more efficient to generate x-rays with a metal anode. First of all, obviously, it is because one can efficiently set a higher potential for a metal than for an insulator like glass. So electrons can easily be collected and diverted to collide with the metal anode. But secondly, metals tend to be more dense than glass (at least, regular glass) and are able to more efficiently stop the penetrating electrons. The quicker they stop, the higher the energy of the bremsstrahlung radiation, which is why we tend to get x-rays if the incoming electrons have sufficiently high energy. This x-ray generated via bremsstrahlung is a very common radiation in particle accelerators, especially when there are stray high energy electrons hitting the stainless steel beam pipe. Zz. [/QUOTE]
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Atomic and Condensed Matter
Why are more x-rays made from metal than glass
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