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Long-range electrical conductivity in non-$\pi$-conjugated organic molecular materials
H. Mager, A. A. Butkevich, S. Klubertz, S. V. Haridas, O. Shyshov, V. C. Wakchaure, J. Borstelmann, I. Michalsky, M. Garc\'ia-Iglesias, V. Rodr\'iguez, D. Gonz\'alez-Rodr\'iguez, A. R. A. Palmans, M. Kivala, M. von Delius, M. Kemerink
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Long-range electrical conductivity in non-$π$-conjugated organic molecular materials
Electronic conductivity in organic materials is well-established. Moreover, semiconductive or metallic behavior in (quasi) 0-, 1-, 2- and 3-dimensional carbon-based materials has been demonstrated and understood and is nowadays widely applied in commercial devices. Despite the large structural variety, these materials commonly have an extended $π$-system, formed by sp2-hybridized carbon atoms, which is responsible for the conductivity. Here, we present a class of organic molecular materials th…

Zero-energy band observation in an interfacial chalcogen-organic network
Yichen Jin, Ignacio Gonzalez Oliva, Hibiki Orio, Guangyao Miao, Maximilian \"Unzelmann, Jos\'e D. Cojal Gonz\'alez, Angelina Jocic, Yan Wang, Xiaoxi Zhang, J\"urgen P. Rabe, Kai Rossnagel, Milan Kivala, Claudia Draxl, Friedrich Reinert, Carlos-Andres Palma
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Zero-energy band observation in an interfacial chalcogen-organic network
Structurally-defined molecule-based lattices such as covalent organic or metal-organic networks on substrates, have emerged as highly tunable, modular platforms for two-dimensional band structure engineering. The ability to grow molecule-based lattices on diverse platforms, such as metal dichalcogenides, would further enable band structure tuning and alignment to the Fermi level, which is crucial for the exploration and design of quantum matter. In this work, we study the emergence of a zero-en…