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Design and Performance Verification of a Space Radiation Detection Sensor Based on Graphene
Heng An1, Detian Li1, Shengsheng Yang1
1Science and Technology on Vacuum Technology and Physics Laboratory, Lanzhou Institute of Physics, Lanzhou 730000, China.
Sensors (Basel, Switzerland)
|November 27, 2021
Summary
A new graphene-based sensor offers high-resolution space radiation detection. Verified with protons and electrons, this radiation-resistant sensor could enhance space station and lunar monitoring, and advance pulsar navigation.
Area of Science:
- Materials Science
- Aerospace Engineering
- Physics
Background:
- Space radiation poses significant risks to astronauts and equipment.
- Existing radiation detection methods have limitations in terms of size, resolution, and radiation resistance.
- Graphene's unique electronic properties offer potential for novel radiation sensing applications.
Purpose of the Study:
- To analyze the radiation detection principle of two-dimensional graphene materials.
- To develop a novel graphene-based space radiation detection sensor.
- To verify the performance and potential applications of the developed sensor.
Main Methods:
- Analysis of graphene's band structure and electric field effect for radiation detection principles.
- Development of a graphene field-effect transistor (GFET) radiation sensor.
- Experimental verification of the GFET sensor's electrical performance using protons and electrons.
Main Results:
- A graphene-based space radiation detection sensor with small volume, high resolution, and radiation resistance was successfully developed.
- The electrical performance of the GFET radiation sensor was verified using proton and electron radiation.
- The sensor demonstrated potential for effective space radiation detection.
Conclusions:
- Graphene-based sensors are a promising technology for space radiation detection.
- The developed GFET sensor is suitable for radiation environment monitoring in space stations and on the Moon.
- This technology could lead to breakthroughs in fields like pulsar navigation.
