Designing Square Two-Dimensional Gold and Platinum

Keisuke Takahashi, Tanveer Hussain, Lauren Takahashi, Jakub D. Baran

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Square atomic configurations of two-dimensional gold and platinum are designed on the basis of density functional theory calculations. Calculations reveal that Au9 and Pt9 clusters form energetically stable perfect square structures. Combining and alternating two Au9 and two Pt9 allows for the formation of infinite square two-dimensional sheets of Au9, Pt9, and Au18Pt18. The electronic density of state reveals that two-dimensional Au9, Pt9, and Au18Pt18 retain metallic characteristics whereas two-dimensional Pt9 and Au18Pt18 also possess magnetic properties. In addition, the multilayered two-dimensional Au9 and Au18Pt18 of up to five layers and four layers, respectively, are designed. Two dimensional Au9, Pt9, and Au18Pt18 could have potential applications toward filtering gases or impurities in liquids as well as electronics.

Original languageEnglish
Pages (from-to)1746-1750
Number of pages5
JournalCrystal Growth and Design
Issue number3
Publication statusPublished - 2 Mar 2016
Externally publishedYes


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