Definition

Proper noun: - A surname of Japanese origin: Specifically, it refers to Leo Esaki, a Japanese physicist who was awarded the Nobel Prize in Physics in 1973 for his experimental discovery of electron tunneling in semiconductors.

Usage Notes

• The word "Esaki" is almost exclusively used as a proper noun to refer to the physicist Leo Esaki or the physical phenomena and devices associated with his work. It is not used as a common noun in general language.
• When used in scientific contexts, it often appears in compound terms like "Esaki diode," which is named after him.

Examples

• Proper noun:
  • Leo Esaki shared the 1973 Nobel Prize in Physics with Ivar Giaever and Brian Josephson.
  • The lecture covered the history of the Esaki diode.

Advanced Usage

• "Esaki diode": Another name for a tunnel diode, a semiconductor device that exhibits negative resistance due to quantum tunneling, an effect discovered by Leo Esaki.
  • The circuit design utilized an Esaki diode for its high-speed switching capabilities.

Variants and Related Words

• Tunnel diode (n): The more common technical term for the device invented by Leo Esaki.
• Esaki tunnel effect (n): A term sometimes used to refer specifically to the electron tunneling phenomenon in semiconductors as demonstrated by Esaki.

Synonyms

• Leo Esaki: The full name of the individual.
• Reona Esaki: The Japanese reading of his name; he is also known by this name.

Related Phrases

• Esaki effect: Synonymous with the tunneling effect in semiconductors that he discovered.
  • The Esaki effect is a fundamental concept in solid-state physics.

Noun

1. physicist honored for advances in solid state electronics (born in Japan in 1925)