2020 Fiscal Year Final Research Report
Is an in-situ gas environment TEM truly showing the reaction between materials and gases?
| Project/Area Number |
18K04824
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Review Section |
Basic Section 27020:Chemical reaction and process system engineering-related
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| Research Institution | Nagoya University |
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Principal Investigator |
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| Project Period (FY) |
2018-04-01 – 2021-03-31
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| Keywords | ガス環境TEM / イオン化 |
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| Outline of Final Research Achievements |
It was found that ions and electrons associated with the ionization of gas molecule were generated in the nitrogen gas atmosphere during electron beam (EB) irradiation, and the generated ions were found to be N2+ ions. This result indicates that not only gas but also ions are present in the gas environment during EB irradiation. When Cr2O3 was kept in this atmosphere, it was found to be nitrided. Researchers should consider the effect of ions when observing specimens in a gas atmosphere during EB irradiation.
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| Free Research Field |
ガス環境電子顕微鏡
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| Academic Significance and Societal Importance of the Research Achievements |
ガスと材料の反応を観察することが可能と考えられてきたガス環境その場観察手法は，ガスと材料の反応だけではなく，電子線照射に伴って発生するイオンとの反応が含まれる可能性が考えられた．ガス環境その場観察から得られた研究成果を再検証する必要があると共に，発生するイオンを除去した環境を形成する必要があると考えられた．
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