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Five-fold Symmetry in Au-Si Metallic Glass

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Chang-Chun He, Shao-Gang Xu, Shao-Bin Qiu, Chao He, Yu-Jun Zhao, Xiao-Bao Yang, Hu Xu

Materials Science · Submitted 14 May 2022

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim Herein, Au 8 Si dodecahedrons with local five-fold symmetry are revealed as building blocks in Au-Si metallic glass, and the interconnection modes of Au 8 Si dodecahedrons determine the medium-range order.

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arXiv ID2205.07032 (version 1)
Pith IDC3FGJKHS, Pith's permanent record of this paper and its review
CitationChang-Chun He, Chao He, Hu Xu, Shao-Bin Qiu, Shao-Gang Xu, Xiao-Bao Yang, Yu-Jun Zhao. "Five-fold Symmetry in Au-Si Metallic Glass." arXiv:2205.07032 (2022). https://pith.science/paper/C3FGJKHS
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The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13.0 via TypeSafe API, question bank abstract-p1-20260923, 2026-09-23: 1 request, 4,427 input tokens.

What the abstract itself states, as probabilities: claims first 0.20 · states limitation 0.12 · human participants 0.02 · controlled comparison 0.03 · randomized assignment 0.01 · states quantitative result 0.21 · compares with prior results 0.13 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

The first metallic glass of Au-Si alloy has been discovered for over half a century, but its atomic structure is still puzzling. Herein, Au 8 Si dodecahedrons with local five-fold symmetry are revealed as building blocks in Au-Si metallic glass, and the interconnection modes of Au 8 Si dodecahedrons determine the medium-range order. With dimensionality reduction, the surface ordering is attributed to the motif transformation of Au 8 Si dodecahedrons into planar Au 5 Si pyramids with five-fold symmetry, and thus the self-assembly of Au 5 Si pyramids leads to the formation of the ordered Au 2 Si monolayer with the lowest energy. Furthermore, the structural similarity analysis is performed to unveil the physical origin of structural characteristics in different dimensions. The amorphism of Au-Si is due to the smooth energy landscape around the global minimum, while the ordered surface structure occurs due to the steep energy landscape.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 The first metallic glass of Au-Si alloy has been discovered for over half a century, but its atomic structure is still puzzling. background 0.61 0.05 0.02 asserted 1.00
s1 Herein, Au 8 Si dodecahedrons with local five-fold symmetry are revealed as building blocks in Au-Si metallic glass, and the interconnection modes of Au 8 Si dodecahedrons determine the medium-range order. result 0.93 0.90 0.78 asserted 1.00
s2 With dimensionality reduction, the surface ordering is attributed to the motif transformation of Au 8 Si dodecahedrons into planar Au 5 Si pyramids with five-fold symmetry, and thus the self-assembly of Au 5 Si pyramids leads to the formation of the ordered Au 2 Si monolayer with the lowest energy. result 0.72 0.84 0.22 asserted 1.00
s3 Furthermore, the structural similarity analysis is performed to unveil the physical origin of structural characteristics in different dimensions. method 0.67 0.91 0.04 asserted 0.79
s4 The amorphism of Au-Si is due to the smooth energy landscape around the global minimum, while the ordered surface structure occurs due to the steep energy landscape. interpretation 0.98 0.80 0.22 asserted 1.00

What kind of paper the classifier reports this is: simulation study 0.65 · evidence from simulation or computation 0.80.

What was examined, and what was not

sources read
  • arXiv listing abstract v1
not examined
  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
levels run
  • P abstract
not run
  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

The first metallic glass of Au-Si alloy has been discovered for over half a century, but its atomic structure is still puzzling. Herein, Au 8 Si dodecahedrons with local five-fold symmetry are revealed as building blocks in Au-Si metallic glass, and the interconnection modes of Au 8 Si dodecahedrons determine the medium-range order. With dimensionality reduction, the surface ordering is attributed to the motif transformation of Au 8 Si dodecahedrons into planar Au 5 Si pyramids with five-fold symmetry, and thus the self-assembly of Au 5 Si pyramids leads to the formation of the ordered Au 2 Si monolayer with the lowest energy. Furthermore, the structural similarity analysis is performed to unveil the physical origin of structural characteristics in different dimensions. The amorphism of Au-Si is due to the smooth energy landscape around the global minimum, while the ordered surface structure occurs due to the steep energy landscape.

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