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Write a short note on each type of sholids you
learn in the lecture on the basis of there
magnetic property mention example
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Chemistry > The Solid State > Magnetic Properties of Solids
The Solid State
Magnetic Properties of Solids
We are all aware of magnets, and you also probably know the metals that are magnetic. But did you know that the magnetic property of a solid is due to its atomic structure? Let us take a look at the different types of magnetic solids.
Magnetic Property of Solids
The magnetic properties of a solid are the result of the magnetic property of the atoms or ions of these solids. More specifically the magnetism and magnetization of a solid will depend on the movement of electrons in an atom. It can thus be said that each electron of an atom behaves like a magnet, lending the whole solid its magnetic property.
This magnetic behaviour of the electrons of an atom is due to the movement patterns. They have specifically two types of movements,
Electrons revolve around the nucleus of the atom
Electrons also spin on their own axis, spins in opposite sides are labelled with + and – signs.
Magnetic property of solids
These two motions of the electrons give the atom and the substance their magnetic power. These constant motions make an electric field around the electrons, almost like a loop of current which lends it its magnetic property. On the basis of their magnetic properties, solids can be classified into five categories. Let us take a look.
Paramagnetic
These substances are weakly magnetized in an external magnetic field. The direction is the same direction of the magnetic field. So they gain a net magnetization When we remove the paramagnetic substance from the field, the alignment of electrons is interrupted and the substance will lose its magnetic property. Thus paramagnetic substances are not permanent magnets.
Paramagnetism is due to at least one pair of unpaired electrons in its orbit shell which get magnetized in the magnetic field. Some common examples are O2, Cu2 etc. These paramagnetic substances find a variety of applications in electronics.
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