Beyond the average: spatial and temporal fluctuations in oxide glass-forming systems

KA Kirchner, DR Cassar, ED Zanotto, M Ono… - Chemical …, 2022 - ACS Publications
Atomic structure dictates the performance of all materials systems; the characteristic of
disordered materials is the significance of spatial and temporal fluctuations on composition …

A medium-range structure motif linking amorphous and crystalline states

S Lan, L Zhu, Z Wu, L Gu, Q Zhang, H Kong, J Liu… - Nature Materials, 2021 - nature.com
Amorphous materials have no long-range order, but there are ordered structures at short
range (2–5 Å), medium range (5–20 Å) and even longer length scales,,,–. While regular, and …

Effect of liquid phase separation on crystal nucleation in glass-formers. Case closed

ED Zanotto - Ceramics International, 2020 - Elsevier
The objective of this critical review paper is to shed light on a longstanding, relevant problem
in materials science: what is the possible effect of liquid phase separation (LPS) on crystal …

Structure origin of a transition of classic-to-avalanche nucleation in Zr-Cu-Al bulk metallic glasses

S Lan, Z Wu, X Wei, J Zhou, Z Lu, J Neuefeind… - Acta Materialia, 2018 - Elsevier
Crystallization kinetics of a series of Zr-Cu-Al bulk metallic glasses with different glass-
forming abilities were systematically investigated using differential scanning calorimetry …

Engineering medium-range order and polyamorphism in a nanostructured amorphous alloy

S Lan, C Guo, W Zhou, Y Ren, J Almer, C Pei… - Communications …, 2019 - nature.com
Like crystalline materials, the properties of amorphous materials can be tailored by tuning
the local atomic-to-nanoscale structural configurations. Polyamorphism is evident by the …

Spinodal decomposition in Pd41. 25Ni41. 25P17. 5 bulk metallic glasses

ZD Wu, XH Lu, ZH Wu, HW Kui - Journal of non-crystalline solids, 2014 - Elsevier
Abstract Pd 41.25 Ni 41.25 P 17.5 bulk metallic glasses (BMGs) undergo phase separation
despite the fact that the alloy system has a negative heat of mixing. By employing the …

In-situ observation of an unusual phase transformation pathway with Guinier-Preston zone-like precipitates in Zr-based bulk metallic glasses

W Dong, J Ge, Y Ke, H Ying, L Zhu, H He, S Liu… - Journal of Alloys and …, 2020 - Elsevier
The pathway of amorphous-to-crystalline phase transformation in Zr 52.5 Cu 17.9 Ni 14.6 Al
10 Ti 5 bulk metallic glasses was studied using a suite of in-situ techniques. Multi-scale …

In-situ visualizing atomic structural evolution during crystallization in ternary ZrCuAl bulk metallic glasses

X Wei, S Lan, Z Wu, M Ohnuma, T Shibayama… - Intermetallics, 2019 - Elsevier
A well-designed experimental method has been presented to in-situ visualize the
amorphous-to-crystalline phase transformation of two glass formers at the atomic-length …

Microstructure and phase transformations in a liquid immiscible Fe60Cu20P10Si5B5 alloy

K Ziewiec, M Wojciechowska, G Garzeł, T Czeppe… - Intermetallics, 2016 - Elsevier
This work presents a study of the microstructure formed in a liquid immiscible Fe 60 Cu 20 P
10 Si 5 B 5 alloy during moderate cooling on a copper plate and melt-spinning. The alloy …

Direct imaging of a first-order liquid-liquid phase transition in undercooled molten PdNiP alloys and its thermodynamic implications

YF Lo, XC Wang, ZD Wu, WZ Zhou, HW Kui - Journal of Non-Crystalline …, 2017 - Elsevier
Polyamorphic transition is the transition between two amorphous states or two liquid states
(LLT) at a fixed composition of a substance. Experience in LLT is limited. Besides, its nature …