期刊
SCIENTIFIC REPORTS
卷 12, 期 1, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41598-022-06055-4
关键词
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资金
- Ministry of Science and Technology, Taiwan [MOST-103-2112-M-008-001-MY2, 104-2911-I-008-504, 105-2112-M-008-003-MY3, 109-2628-M-008-004-MY3]
- JSPS KAKENHI [19K21865, 19H00668, JPJSBP120203206, 20KK0064]
- Grant for the JSPS JSPS Core-to-Core Program Research and Education Center for Laser Astrophysics in Asia
- QST-IRI
- Grants-in-Aid for Scientific Research [20KK0064, 19K21865, 19H00668] Funding Source: KAKEN
This article introduces the properties of graphene and its application in laser-driven ion acceleration. The authors control the thickness and conditions of graphene to generate high-energy protons and carbon ions successfully.
Graphene is known as an atomically thin, transparent, highly electrically and thermally conductive, light-weight, and the strongest 2D material. We investigate disruptive application of graphene as a target of laser-driven ion acceleration. We develop large-area suspended graphene (LSG) and by transferring graphene layer by layer we control the thickness with precision down to a single atomic layer. Direct irradiations of the LSG targets generate MeV protons and carbons from sub-relativistic to relativistic laser intensities from low contrast to high contrast conditions without plasma mirror, evidently showing the durability of graphene.
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