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Yanggu Longwei Electronics Co., Ltd

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Address:No. 16, Lanhu Shangcheng, Mount Huangshan South Road, Boji Bridge Office, Yanggu County

Basic situation of magnetic material market in China

2024-05-05 14:15:36
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1、 The definition of an ideal conductor

An ideal conductor refers to a material that can transfer current and heat to any location without any loss in electrical and thermal environments. Its characteristic is that the resistance value is 0, the current signal is not obstructed or attenuated, and it has very good conductivity and thermal conductivity performance.

2、 Why metals are ideal conductors

Metals exhibit superior conductivity and thermal conductivity in many aspects due to their unique electronic structure and physical properties. The atoms in a metal form a tightly arranged structure, and their valence electrons move very freely relative to the atomic nucleus, forming an electron gas that can facilitate electrical conduction.

In addition, the energy gap between the Fermi level and valence band of metals is very small, making it easy for electron transitions to occur, thus also facilitating the formation of a large number of free electrons, which is conducive to electron transfer. In the lattice structure of metals, the spin of metal atoms is adjacent, and the spin of electrons is also adjacent, making it easy to form end electron pairs with the same spin direction, promoting electron migration and transfer, thereby increasing the degree of freedom of electrons and reducing resistance.

3、 Defects of metal as an ideal conductor

Although metals have superior performance as conductors, there are also some problems in special situations. For example, when metals are affected by factors such as high temperature and strong electromagnetic fields, electron plasmonization is prone to occur, resulting in a decrease in conductivity and thus affecting its conductivity; In DC circuits, metals will experience self electric field phenomena, causing transmission delay and distortion of electrical signals, thereby affecting their conductivity.


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