2012 Fiscal Year Final Research Report
Nanomechanical characterization of Pd based amorphous nanowire
| Project/Area Number |
23656416
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Structural/Functional materials
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| Research Institution | Tohoku University |
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Principal Investigator |
NAKAYAMA Koji 東北大学, 原子分子材料科学高等研究機 構, 准教授 (50312640)
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| Project Period (FY) |
2011 – 2012
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| Keywords | ナノワイヤー / アモルファス合金 / ナノ機械試験 |
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| Research Abstract |
We investigate the plastic deformation processes of amorphous alloys and tried to reveal the mechanism of the shear fracture at atomic scale. The plan was the atomic scale observation of structural changes in amorphous nanowires under tensile stress with transmission electron microscopy (TEM). To accomplish this, we do need the preparation of the nanowire by cutting and depositing in the dual beam SEM/FIB machine.However, the Great East Japan Earthquake on March 11, 2012 caused the damage to both TEM and SEM/FIM machines and delayed the experimental schedule of the nanomechanical tests. Therefore, we have switched over to focus the mass production of the amorphous alloy nanowires and have succeeded to invent the way to produce nanowires from the variety of amorphous alloys such as Pd, Zr, Fe, and Co based.
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[Remarks] 1.日経産業新聞(2012年4月24日)金属製極細糸の量産技術
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[Remarks] 2.日本経済新聞電子版(2012年4月22日)極細の金属糸、量産技術を開発東北大、センサーに応用
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[Remarks] 3.日刊工業新聞電子版(2012年4月20日)ナノワイヤを非晶質合金から大量合成
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[Remarks] 4.仙台放送ニュース(2012年4月20日)東北大で「ナノワイヤー」大量生産に成功
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