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Dresden 2017 – wissenschaftliches Programm

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DS: Fachverband Dünne Schichten

DS 16: Layer Properties: Electrical, Optical, and Mechanical Properties I

DS 16.6: Vortrag

Montag, 20. März 2017, 18:15–18:30, CHE 91

Electronic properties of few-layer phosphorene from first-principles calculations — •Bukyoung Jhun and Cheol-Hwan Park — Department of Physics and Astronomy, Seoul National University, Seoul 08826, Korea

Phosphorene, a recently synthesized two dimensional material, has attracted a wide attention due to its numerous extraordinary physical properties such as spatially anistropic electrical and thermal conductance[1], superconductivity[2], and electronic topological transition tunable by electric field[3]. Because of the extraordinary properties, it is considered useful in opto-elctronics and electronics. We studied the electronic properties of multi-layer phosphorene in various environments by means of density-functional theory calculations. We expect the results to be helpful in interpreting experiments on the material and in designing phosphorene-based devices.

Reference

[1] Han Liu, Adam T Neal, Zhen Zhu, Zhe Luo, Xianfan Xu, David Tománek, and Peide D Ye, "Phosphorene: an unexplored 2D semiconductor with a high hole mobility," ACS nano 8 (4), 4033-4041 (2014).

[2] Y. F. Ge, W. H. Wan, F. Yang, and Y. G. Yao, "The strain effect on superconductivity in phosphorene: a first-principles prediction," New Journal of Physics 17 (2015).

[3] Q. H. Liu, X. W. Zhang, L. B. Abdalla, A. Fazzio, and A. Zunger, "Switching a Normal Insulator into a Topological Insulator via Electric Field with Application to Phosphorene," Nano Letters 15 (2), 1222-1228 (2015).

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