2011 Fiscal Year Final Research Report
Structural relationship among amorphous, quasicrystal, and crystal in metallic glasses
| Project/Area Number |
22760499
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Physical properties of metals
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| Research Institution | Tohoku University |
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Principal Investigator |
HIRATA Akihiko 東北大学, 原子分子材料科学高等研究機構, 助教 (90350488)
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| Project Period (FY) |
2010 – 2011
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| Keywords | 金属ガラス / ナノ構造 / ナノ結晶化 / 透過電子顕微鏡 / 複雑構造 |
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| Research Abstract |
A structural relationship among amorphous, quasicrystal, and crystal in metallic glasses was investigated by means of transmission electron microscopy. Angstrom-beam electron diffraction technique was first developed using a scanning transmission electron microscope to take local structural information from glass states. We examined local atomic structures of a quasicrystal-forming Zr-Pt glass using this technique and then found that the observed icosahedra in the glass state are distorted compared with those in the quasicrystal.
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