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. 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.
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They have specifically two types of movements,. 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. 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.
The solid state resists change in shape due to external pressure. Do you need help with your Homework? Like liquids, gases have no definite shape, but unlike solids and liquids, gases have no definite volume either. Fantastic job, very helpful and concise notes, address all the points of the specification. Glass is one example of an amorphous solid.
Just like paramagnetism, in diamagnetism too the substances are magnetized in an external magnetic field. But diamagnetic solids are repelled in the field.
The magnetic property effected in them is in the opposite direction of the magnetic fields and thus they have a repulsive force. In diamagnetic substances, all electrons in their last shell are paired, there are no valence electrons. This is the reason that the magnetic moment of their atoms is nearly zero.
Examples are substances like Sodium Chloride, Benzene etc. Being such bad conductors, we use them as insulators. Now, these solids are strongly magnetized when we place them in an external magnetic field. Besides the very strong attraction forces, these solids can actually be magnetized permanently. This means that even when the external magnetic fields are removed the solids will retain their magnetic properties. It is a widely believed theory that the ferromagnetic structures have certain special characteristics. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.
This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
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Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research research articles, conference papers and reviews in three year windows vs. Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. The purpose is to have a forum in which general doubts about the processes of publication in the journal, experiences and other issues derived from the publication of papers are resolved.
For topics on particular articles, maintain the dialogue through the usual channels with your editor. Year SJR 0.