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Stanley514
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Which materials exhibit good electron and hole conductivity in the same time?
And which of them are cheap and available?
And which of them are cheap and available?
Something much better than intrinsic semiconductors?I need hole conductivity comparable to electron conductivity in metals.And electronic conductivity too.Silicon meets all of the requirements you have listed.
Seem to be wrong.Tungsten conducts electricity through holes and this is shown through the Hall coefficient being negative.
www.phys.utk.edu/labs/modphys/Hall Effect.pdfThe negative Hall coefficient indicates that electrons are the charge carriers
New concepts are not allowed to reveal and discuss here.what do you need this for? Understanding the question better will (hopefully) result in better answers...
You may be looking for a semimetal.Stanley514 said:Which materials exhibit good electron and hole conductivity in the same time?
And which of them are cheap and available?
Stanley514 said:Which materials exhibit good electron and hole conductivity in the same time?
And which of them are cheap and available?
Darwin123 said:Grey tin is a narrow gap semiconductor, not a semimetal.
DrDu said:Are you sure?
Darwin123 said:No.
“Grey tin has the same crystalline structure as that of the diamond allotrope of carbon. It behaves as if it was a semiconductor (with a band gap of 0.08 eV) but has the electronic band structure of a semimetal.[361] It is sometimes referred to as a metalloid.”
DrDu said:No, the type of charge carriers is independent of the field. You only need the field for diagnostic purposes. However I would be careful with the interpretation of the Hall coefficient in terms of nature of the charge carriers.
A good electron-hole conductor is a material that is able to conduct both electrons and holes, which are the two types of charge carriers in a semiconductor. It should have a high electrical conductivity and low resistance in order to efficiently transport charges.
A material becomes a good electron-hole conductor when it has a balanced number of electrons and holes, as well as a low band gap energy. This allows for efficient movement of charges through the material.
Silicon, germanium, and gallium arsenide are all examples of good electron-hole conductors commonly used in electronic devices. Other examples include indium phosphide and cadmium telluride.
Good electron-hole conductors are essential for electronic devices such as transistors, solar cells, and LEDs. They are also used in optoelectronic devices, sensors, and integrated circuits.
The efficiency of a good electron-hole conductor is measured by its carrier mobility, which is the ability of the material to transport charges. It is also measured by its conductivity, band gap energy, and other properties such as thermal stability and reliability.