Who did invent semiconductor?

Answer 1

semiconductor

Class of crystalline solids with electrical conductivity between that of a conductor and an insulator. Such materials can be treated chemically to allow transmission and control of an electric current. Semiconductors are used in the manufacture of electronic devices such as diodes, transistors, and integrated circuits. Intrinsic semiconductors have a high degree of chemical purity, but their conductivity is poor. Extrinsic semiconductors contain impurities that produce much greater conductivity. Some common intrinsic semiconductors are single crystals of silicon, germanium, and gallium arsenide; such materials can be converted into the technologically more important extrinsic semiconductors by addition of small amounts of impurities, a process called doping (see dopant). Advances in semiconductor technology in recent years have gone hand in hand with increased operational speed in computers.


After the end of World War II, Kelly put together a team of scientists to develop a solid-state semiconductor switch to replace the problematic vacuum tube. The team would use some of the advances in semiconductor research during the war that had made radar possible. A young, brilliant theoretician, Bill Shockley, was selected as the team leader. (See Shockley, Brattain and Bardeen—the team and the teammates)

Shockley drafted Bell Lab's Walter Brattain, an experimental physicist who could build or fix just about anything, and hired theoretical physicist John Bardeen from the University of Minnesota. Shockley filled out his team with an eclectic mix of physicists, chemists and engineers. The group was diverse, yet close knit. Walter Brown, a physicist who joined the group in 1951, recalls hearing about exuberant parties and good lunches. Betty Sparks, Shockley's secretary, recalled the group's high spirits at her wedding to Morgan Sparks. They called their lab "Hell's Bells Laboratory."

In the spring of 1945, Shockley designed what he hoped would be the first semiconductor amplifier, relying on something called the "field effect." His device was a small cylinder coated thinly with silicon, mounted close to a small, metal plate. It was, as University of Illinois Electrical Engineer Nick Holonyak said, a crazy idea. Indeed, the device didn't work, and Shockley assigned Bardeen and Brattain to find out why. According to author Joel Shurkin, the two largely worked unsupervised; Shockley spent most of his time working alone at home.

Answer 2

Since semiconductors are found in nature they were discovered, not invented. The person who gets the credit is Thomas Seebeck who discovered semiconducting properties of PbS in 1821.

If you mean inventions using semiconductors there are various devices made from semiconductors. Some note worthy inventions are:

Transistor: Bardeen and Brattian 1947
Integrated Circuit: Jack Kilby 1958
Light-Emitting Diode: Nick Holonyak 1961
Semiconductor Laser: Robert Hall 1962

Answer 3

The term “semiconducting” was used for the first time by Alessandro Volta in 1782.
Michael Faraday was the first person to observe a semiconductor effect in 1833. Faraday observed that the electrical resistance of silver sulfide decreased with temperature. In 1874, Karl Braun discovered and documented the first semiconductor diode effect. Braun observed that current flows freely in only one direction at the contact between a metal point and a galena crystal.

In 1901, the very first semiconductor device was patented called "cat whiskers". The device was invented by Jagadis Chandra Bose. Cat whiskers was a point-contact semiconductor rectifier used for detecting radio waves.

A transistor is a device composed of semiconductor material. John Bardeen, Walter Brattain & William Shockley all co-invented the transistor in 1947 at Bell Labs.


https://www.electrikals.com/

Answer 4

Here is a link on it.