Single-component molecular conductor [Pt(dmdt)2]—a three-dimensional ambient-pressure molecular Dirac electron system

Biao Zhou; Shoji Ishibashi; Tatsuru Ishii; Takahiko Sekine; Ryosuke Takehara; Kazuya Miyagawa; Kazushi Kanoda; Eiji Nishibori; Akiko Kobayashi

doi:10.1039/C9CC00218A

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Single-component molecular conductor [Pt(dmdt)₂]—a three-dimensional ambient-pressure molecular Dirac electron system†

Biao Zhou,

*^a Shoji Ishibashi,

^b Tatsuru Ishii,^a Takahiko Sekine,^c Ryosuke Takehara,^c Kazuya Miyagawa,^c Kazushi Kanoda,^c Eiji Nishibori^d and Akiko Kobayashi

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, College of Humanities and Sciences, Nihon University, Setagaya-Ku, Tokyo 156-8550, Japan
E-mail: zhou@chs.nihon-u.ac.jp, akoba@chs.nihon-u.ac.jp

^b Research Center for Computational Design of Advanced Functional Materials (CD-FMat), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8568, Japan

^c Department of Applied Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan

^d Faculty of Pure and Applied Science and Tsukuba Research Center for Energy Materials Science (TREMS), University of Tsukuba, Tsukuba 305-8571, Japan

Abstract

The single-component molecular conductor [Pt(dmdt)₂] is a sought-after ambient-pressure molecular Dirac electron system, which exhibits a high temperature-insensitive conductivity and temperature-dependent magnetic susceptibility nearly vanishing below 120 K. First-principles DFT calculations reveal that Dirac cones emerge along the a* direction, and form Dirac nodal lines.

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Article information

DOI: https://doi.org/10.1039/C9CC00218A
Article type: Communication
Submitted: 09 Jan 2019
Accepted: 04 Feb 2019
First published: 05 Feb 2019

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Chem. Commun., 2019,55, 3327-3330

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Single-component molecular conductor [Pt(dmdt)₂]—a three-dimensional ambient-pressure molecular Dirac electron system

B. Zhou, S. Ishibashi, T. Ishii, T. Sekine, R. Takehara, K. Miyagawa, K. Kanoda, E. Nishibori and A. Kobayashi, Chem. Commun., 2019, 55, 3327 DOI: 10.1039/C9CC00218A

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