Engineering symmetry breaking in 2D layered materials

L Du, T Hasan, A Castellanos-Gomez, GB Liu… - Nature Reviews …, 2021 - nature.com
Symmetry breaking in 2D layered materials plays a significant role in their macroscopic
electrical, optical, magnetic and topological properties, including, but not limited to, spin …

Research direction toward scalable, stable, and high efficiency perovskite solar cells

NG Park - Advanced Energy Materials, 2020 - Wiley Online Library
Abstract Discovery of the 9.7% efficiency, 500 h stable solid‐state perovskite solar cell (PSC)
in 2012 triggered off a wave of perovskite photovoltaics. As a result, a certified power …

[HTML][HTML] Wannier90 as a community code: new features and applications

G Pizzi, V Vitale, R Arita, S Blügel… - Journal of Physics …, 2020 - iopscience.iop.org
W annier90 is an open-source computer program for calculating maximally-localised
Wannier functions (MLWFs) from a set of Bloch states. It is interfaced to many widely used …

Low-frequency divergence and quantum geometry of the bulk photovoltaic effect in topological semimetals

J Ahn, GY Guo, N Nagaosa - Physical Review X, 2020 - APS
We study the low-frequency properties of the bulk photovoltaic effect in topological
semimetals. The bulk photovoltaic effect is a nonlinear optical effect that generates dc …

[HTML][HTML] Zero-bias mid-infrared graphene photodetectors with bulk photoresponse and calibration-free polarization detection

J Wei, Y Li, L Wang, W Liao, B Dong, C Xu… - Nature …, 2020 - nature.com
Bulk photovoltaic effect (BPVE), featuring polarization-dependent uniform photoresponse at
zero external bias, holds potential for exceeding the Shockley-Queisser limit in the efficiency …

Flexo-photovoltaic effect

MM Yang, DJ Kim, M Alexe - Science, 2018 - science.org
It is highly desirable to discover photovoltaic mechanisms that enable enhanced efficiency of
solar cells. Here we report that the bulk photovoltaic effect, which is free from the …

Towards oxide electronics: a roadmap

M Coll, J Fontcuberta, M Althammer, M Bibes… - Applied surface …, 2019 - orbit.dtu.dk
At the end of a rush lasting over half a century, in which CMOS technology has been
experiencing a constant and breathtaking increase of device speed and density, Moore's …

Topology and geometry under the nonlinear electromagnetic spotlight

Q Ma, AG Grushin, KS Burch - Nature materials, 2021 - nature.com
For many materials, a precise knowledge of their dispersion spectra is insufficient to predict
their ordered phases and physical responses. Instead, these materials are classified by the …

Nonlinear optical properties of halide perovskites and their applications

Y Zhou, Y Huang, X Xu, Z Fan, JB Khurgin… - Applied Physics …, 2020 - pubs.aip.org
Nonlinear optics has undergone dramatic developments in the past 60 years, which has
revolutionized the photonic and optoelectronic fields with many essential applications such …

Enhanced intrinsic photovoltaic effect in tungsten disulfide nanotubes

YJ Zhang, T Ideue, M Onga, F Qin, R Suzuki, A Zak… - Nature, 2019 - nature.com
The photovoltaic effect in traditional p–n junctions—where ap-type material (with an excess
of holes) abuts an n-type material (with an excess of electrons)—involves the light-induced …