Free-Standing Single-Atom-Thick Iron Membranes Suspended in Graphene Pores

Author:

Zhao Jiong12,Deng Qingming3,Bachmatiuk Alicja124,Sandeep Gorantla1,Popov Alexey3,Eckert Jürgen15,Rümmeli Mark H.26

Affiliation:

1. Leibniz-Institut für Festkörper- und Werkstoffforschung Dresden (IFW) Dresden, Institute of Complex Materials, P.O. Box 270116, D-01171 Dresden, Germany.

2. IBS Center for Integrated Nanostructure Physics, Institute for Basic Science (IBS), Daejon 305-701, Republic of Korea.

3. IFW Dresden, Institute of Solid State Research, P.O. Box 270116, D-01171 Dresden, Germany.

4. Centre of Polymer and Carbon Materials, Polish Academy of Sciences, M. Curie-Sklodowskiej 34, Zabrze 41-819, Poland.

5. Technische Universität Dresden, Institute of Materials Science, 01062 Dresden, Germany.

6. Department of Energy Science, Department of Physics, Sungkyunkwan University, Suwon 440-746, Republic of Korea.

Abstract

Iron in Graphene Carbon or other covalently bonded materials, like boron nitride, can form two-dimensional sheets because of the strong bonding between the atoms. In contrast, metals share electrons in a three-dimensional delocalized way, and this could preclude the formation of thin stable sheets. Nevertheless, Zhao et al. (p. 1228 ) observed pure iron membranes suspended across the pores in a graphene sheet. This phenomenon was discovered when an iron chloride solution, used to process the graphene, decomposed to form pure iron films across the pores.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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