Iron has a magnetic moment of 2.22 Bohr magnetons per atom and a density of 7.87-103 kg.m-3. Calculate the expected magnetization of iron at 0 K and describe any assumptions that you have made. How would you expect this magnetization of iron to vary as temperature is increased. How does the number of Bohr magnetons per atom change from 0 K to 300 K. Why does a piece of iron typically not exhibit high magnetization at room temperature (unless it has been “magnetized")?
Iron has a magnetic moment of 2.22 Bohr magnetons per atom and a density of 7.87-103 kg.m-3. Calculate the expected magnetization of iron at 0 K and describe any assumptions that you have made. How would you expect this magnetization of iron to vary as temperature is increased. How does the number of Bohr magnetons per atom change from 0 K to 300 K. Why does a piece of iron typically not exhibit high magnetization at room temperature (unless it has been “magnetized")?
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Transcribed Image Text:Iron has a magnetic moment of 2.22 Bohr
magnetons per atom and a density of
7.87-103 kg.m-3. Calculate the expected
magnetization of iron at 0 K and describe any
assumptions that you have made. How would
you expect this magnetization of iron to vary
as temperature is increased. How does the
number of Bohr magnetons per atom change
from 0 K to 300 K. Why does a piece of iron
typically not exhibit high magnetization at
room temperature (unless it has been
"magnetized")?
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