crystal counter
Definition
Noun: A crystal counter is a type of radiation detection device. It is a counter tube in which an ionizing event (such as a particle of radiation passing through it) increases the electrical conductivity of a crystalline material. This change in conductivity allows the event to be detected and counted.
Usage
The term is a technical noun used in the fields of physics, nuclear engineering, and radiation detection. It refers to a specific piece of scientific equipment. * Early crystal counters were used in foundational experiments in particle physics. * The Geiger-Müller tube eventually became more common than the crystal counter for many applications.
Advanced Usage
- The term is often used in historical or technical descriptions of radiation detection technology.
- It can be part of compound nouns specifying the crystal material, e.g., "diamond crystal counter" or "germanium crystal counter," though these are distinct, multi-word terms.
Variants and Related Words
- Crystal Detector: A broader term for devices using crystalline materials to detect signals, often used in early radio (crystal radios) and in some radiation contexts. While related, a "crystal detector" is not synonymous with a "crystal counter," which is a specific type of counter tube.
- Semiconductor Detector: A modern, more advanced type of radiation detector that operates on a similar principle of increased conductivity from ionizing events in a solid material (like silicon or germanium). This is the technological successor to the crystal counter.
- Geiger Counter (Geiger-Müller tube): A different, more common type of gas-filled radiation detection tube.
Synonyms
- Solid-state radiation counter (this is a descriptive synonym, not a common lexical item).
- Crystal conduction counter.
Related Phrases/Compounds
- Crystal counter tube: A fuller, more descriptive name for the same device.
Noun
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a counter tube in which an ionizing event increases conductivity
