Diamagnetic Metals + properties give you a broad overview of these metals from multiple angels. Diamagnetic levitation A small (~6mm) piece of pyrolytic graphite (a material similar to graphite) levitating over a permanent gold magnet array (5mm cubes on a piece of steel). Note that the poles of the magnets are aligned vertically and alternate (two with north facing up, … Figure \(\PageIndex{2}\) shows a levitating piece of graphite. 2. Generally, all materials have the diamagnetic properties, making a weak contribution to the magnetic behaviour of the material when subjected to an external magnetic field. Properties of Diamagnetic Materials. Moreover, enthusiasts are also catered with the detailed breakdown of the atomic, optical and chemical behaviour of the metals. The material response on the applied magnetic field can be used to distinguish the basic classes of materials: diamagnetic materials, paramagnetic materials, and ferromagnetic materials. The materials which have net magnetic moments i.e., those materials which reveal para and ferromagnetism, the diamagnetism in those materials becomes overshadowed due to its weak value. Properties of Dimagnetic Substances 1. Ferromagnetism is a large effect, often greater than that of the applied magnetic field, that persists even in the absence of an applied magnetic field. So, Diamagnetism is a quantum mechanical effect that occurs in all materials; when it is the only contribution to the magnetism, the material is called diamagnetic. Diamagnetic materials have a weak, negative susceptibility to magnetic fields. Because diamagnetism is essentially the expelling of magnetic fields within a material, strong diamagnetic materials can be levitated, or if they are sufficiently strong and enough area, can levitate magnets. But, in materials that show other magnetic properties such as paramagnetism and ferromagnetism , the effect of diamagnetism is negligible. Diamagnetism is a weak effect in many of the materials, that can be detected only by the sensitive laboratory instruments; a superconductor, besides, acts as a strong diamagnet due to the reason, it repels a magnetic field completely from its interior. Diamagnetic Materials The substances which when placed in a magnetising field get feebly magnetised in a direction opposite to magnetising field are called diamagnetic. Materials may be classified as ferromagnetic, paramagnetic, or diamagnetic based on their response to an external magnetic field. Magnetic moments of of Magnetic materials Diamagnetism. General properties of Diamagnetic Material. In all the cases the principal origin of the magnetic properties lies in electron cloud of the atom of a given species. Diamagnetism is a weak magnetism and is the fundamental property of all matter.. Diamagnetism is mainly due to the non-cooperative behavior of the orbital electrons under the application of an external magnetic field.. 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