journal article·2025-09-26

In-Architecture X-ray Assisted C–Br Dissociation for On-Surface Fabrication of Nanodiamond Chains

Yan Wang, Niklas Grabicki, Hibiki Orio, José D. Cojal González, Juan Li, Jie Gao, Xiaoxi Zhang, Tiago F. T. Cerqueira, Miguel A. L. Marques, Zhaotan Jiang, Friedrich Reinert, Oliver Dumele, Carlos-Andres Palma

ACS Applied Nano Materials· Volume 8· Issue 38
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Abstract

The fabrication of well-defined, low-dimensional diamondoid-based materials is a promising approach for tailoring diamond properties such as superconductivity. On-surface self-assembly of halogenated diamondoids under ultrahigh vacuum conditions represents an effective strategy in this direction, enabling reactivity exploration and on-surface synthesis approaches. Here, we demonstrate through scanning probe microscopy, time-of-flight mass spectrometry, and X-ray photoelectron spectroscopy that self-assembled layers of dibromodiamantanes on gold can be debrominated by X-ray irradiation (Al Kα at 8.87 Å and Mg Kα at 9.89 Å) at low temperatures, without affecting their well-defined arrangement. The resulting ‘in-architecture’ debromination enables the fabrication of the diamantane dimer from self-assembled precursors in close proximity, which is otherwise inaccessible through annealing on metal surfaces. Our work introduces an approach for the fabrication of nanodiamond chains, with significant implications for in-architecture, layer-by-layer synthesis, and photolithography at the atomic limit.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Diamond and Carbon-based Materials Research · High-pressure geophysics and materials · Ion-surface interactions and analysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Physics, Chinese Academy of Sciences

School of Interdisciplinary Science

Beijing Institute of Technology

Department of Chemistry and IRIS Adlershof

Humboldt-Universität zu Berlin

Experimentelle Physik VII and Würzburg-Dresden Cluster of Excellence ct.qmat

Universität Würzburg

Department of Physics and Center for the Science of Materials Berlin

Department of Materials Science

Shenzhen MSU-BIT University

Beijing Academy of Quantum Information Sciences

CFisUC, Department of Physics

University of Coimbra

Research Center Future Energy Materials and Systems of the University Alliance Ruhr and Interdisciplinary Centre for Advanced Materials Simulation, Ruhr University Bochum, Universitätsstraße 150, Bochum D-44801, Germany

School of Physics

Institute of Organic Chemistry, University of Freiburg, Albertstrasse 21, Freiburg 79104, Germany

Department of Physics and IRIS Adlershof

Humboldt-Universitat zu Berlin

Funding

European Commission · Deutsche Forschungsgemeinschaft · China Postdoctoral Science Foundation · Chinesisch-Deutsche Zentrum f?r Wissenschaftsf?rderung · Max-Planck-Gesellschaft · Natural Science Foundation of Beijing Municipality · Alexander von Humboldt-Stiftung · National Natural Science Foundation of China · Chinese Academy of Sciences · Norbert Koch and J?rgen P. Rabe

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