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Issue 27, 2019

Metallic glass ultrathin films with hierarchical structure and their dynamic and thermodynamic behavior

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Abstract

Metallic glass (MG) ultrathin films with hierarchical structure were in situ grown and characterized by scanning tunneling microscopy. A reversible dynamic behavior is observed at 77 K indicating a high mobility within the Fe85Sc15 MG ultrathin films. The complete scheme of the phase transition from amorphous solid to supercooled liquid and further to the crystalline phase is depicted. We find Fe85Sc15 MG ultrathin films with a reduction of the glass transition temperature of ∼290 K and an expanded temperature window of the supercooled liquid region of 180 K, which is almost 6 times larger than that of the conventional bulk MG with identical composition.

Graphical abstract: Metallic glass ultrathin films with hierarchical structure and their dynamic and thermodynamic behavior

Supplementary files

Article information


Submitted
15 Jan 2019
Accepted
10 Jun 2019
First published
11 Jun 2019

Phys. Chem. Chem. Phys., 2019,21, 14556-14561
Article type
Paper

Metallic glass ultrathin films with hierarchical structure and their dynamic and thermodynamic behavior

X. Liu, X. Huang, J. Li, S. K. Yadav, H. Gleiter, H. Kong, T. Feng and H. Fuchs, Phys. Chem. Chem. Phys., 2019, 21, 14556 DOI: 10.1039/C9CP00265K

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