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Gadolinium
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Gadolinium is a chemical element; it has symbol Gd and atomic number 64. It is a silvery-white metal when oxidation is removed. Gadolinium is a ductile and malleable rare-earth element. It reacts with
Gadolinium 4
Gadolinium 4
A sample of gadolinium metal
A sample of gadolinium metal
Johan Gadolin is the namesake of gadolinite, the mineral that gadolinium is named after
Johan Gadolin is the namesake of gadolinite, the mineral that gadolinium is named after
Gadolinite
Gadolinite
Paramagnetism
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Paramagnetism is a form of magnetism whereby some materials are weakly attracted by an externally applied magnetic field, and form internal, induced magnetic fields in the direction of the applied mag
Gadolinium
…Curie point of 20 °C (68 °F) is ferromagnetic, with an attraction to a magnetic field higher than that of nickel. Above this temperature it is the most paramagnetic element. It is found in nature only in an oxidized form. When separated, it usually has impurities of the other rare earths because of their similar…
Liquid oxygen (blue) can be suspended between the poles of a strong magnet as a result of its paramagnetism.
Liquid oxygen (blue) can be suspended between the poles of a strong magnet as a result of its paramagnetism.
In a metal, the application of an external magnetic field increases the density of electrons with spins antiparallel with the field and lowers the den
In a metal, the application of an external magnetic field increases the density of electrons with spins antiparallel with the field and lowers the density of the electrons with opposite spin. Note: The arrows in this picture indicate magnetic moment direction, not electron spin direction. The direction of the magnetic moment is opposite of that of the spin since electrons carry a negative charge.
Idealized Curie–Weiss behavior; N.B. TC=θ, but TN is not θ. Paramagnetic regimes are denoted by solid lines. Close to TN or TC the behavior usually de
Idealized Curie–Weiss behavior; N.B. TC=θ, but TN is not θ. Paramagnetic regimes are denoted by solid lines. Close to TN or TC the behavior usually deviates from ideal.