Metallic Glacial Glass Formation by a First-Order Liquid-Liquid Transition

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

10 Scopus Citations
View graph of relations

Author(s)

  • J. Shen
  • Z. Lu
  • J. Q. Wang
  • S. Lan
  • F. Zhang
  • A. Hirata
  • M. W. Chen
  • P. Wen
  • Y. H. Sun
  • H. Y. Bai
  • W. H. Wang

Detail(s)

Original languageEnglish
Pages (from-to)6718-6723
Journal / PublicationThe Journal of Physical Chemistry Letters
Volume11
Issue number16
Online published10 Jul 2020
Publication statusPublished - 20 Aug 2020

Abstract

The glacial phase, with an apparently glassy structure, can be formed by a first-order transition in some molecular-glass-forming supercooled liquids. Here we report the formation of metallic glacial glass (MGG) from the precursor of a rare-earth-element-based metallic glass via the first-order phase transition in its supercooled liquid. The excellent glass-forming ability of the precursor ensures the MGG to be successfully fabricated into bulk samples (with a minimal critical diameter exceeding 3 mm). Distinct enthalpy, structure, and property changes are detected between MGG and metallic glass, and the reversed "melting-like" transition from the glacial phase to the supercooled liquid is observed in fast differential scanning calorimetry. The kinetics of MGG formation is reflected by a continuous heating transformation diagram, with the phase transition pathways measured at different heating rates taken into account. The finding supports the scenario of liquid-liquid transition in metallic-glass-forming liquids.

Citation Format(s)

Metallic Glacial Glass Formation by a First-Order Liquid-Liquid Transition. / Shen, J.; Lu, Z.; Wang, J. Q.; Lan, S.; Zhang, F.; Hirata, A.; Chen, M. W.; Wang, X. L.; Wen, P.; Sun, Y. H.; Bai, H. Y.; Wang, W. H.

In: The Journal of Physical Chemistry Letters, Vol. 11, No. 16, 20.08.2020, p. 6718-6723.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review