Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session B57: 2D Semiconductors: Optical Spectroscopy
11:15 AM–2:03 PM,
Monday, March 2, 2020
Room: Mile High Ballroom 3A
Sponsoring
Units:
DMP DCOMP
Chair: Hanan Dery
Abstract: B57.00011 : Anomalous photovoltaic effect in van der Waals heterointerface
Presenter:
Toshiya Ideue
(The University of Tokyo)
Authors:
Toshiya Ideue
(The University of Tokyo)
Takatoshi Akamatsu
(The University of Tokyo)
Ling Zhou
(Nanjing University)
Sota Kitamura
(The University of Tokyo)
Masaru Onga
(The University of Tokyo)
Yuji Nakagawa
(The University of Tokyo)
Joseph Laurienzo
(Case Western Reserve University)
Junwei Huang
(Nanjing University)
Takahiro Morimoto
(The University of Tokyo)
Hongtao Yuan
(Nanjing University)
Yoshihiro Iwasa
(The University of Tokyo)
In this talk, I will focus on the effect of symmetry on the photovoltaic effect in van der Waals interface. The anomalous photovoltaic effect, which indicates the emergence of photo-induced spontaneous current without semiconductor p-n junction nor bias voltage, is observed at the symmetry engineered interface. A potential microscopic mechanism of the anomalous photovoltaic effect will be also discussed.
[1] M. Yankowitz, et al., Nat. Phys. 8 382 (2012).
[2] C. R. Dean, et al., Nature 497 598 (2013).
[3] Y. Cao, et al., Nature 556 43 (2018).
[4] Y. Liu, et al., Nat. Nanotech., 13 (2013) 828.
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