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Title: Photocurrents in Weyl semimetals

Journal Article · · Physical Review. B
 [1];  [2];  [3];  [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. Technion-Israel Institute of Technology, Haifa (Israel)
  3. California Institute of Technology (CalTech), Pasadena, CA (United States). Institute for Quantum Information and Matter

The generation of photocurrent in an ideal two-dimensional Dirac spectrum is symmetry forbidden. In sharp contrast, we show that three-dimensional Weyl semimetals can generically support significant photocurrents due to the combination of inversion symmetry breaking and finite tilts of the Weyl spectra. Symmetry properties, chirality relations, and various dependencies of this photovoltaic effect on the system and the light source are explored in detail. Overall, our results suggest that noncentrosymmetric Weyl materials can be advantageously applied to room temperature detections of mid- and far-infrared radiations.

Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC); National Science Foundation (NSF); REA
Grant/Contract Number:
FG02-03ER46076; DMR-1410435; 631696; FG02-03-ER46076
OSTI ID:
1535835
Alternate ID(s):
OSTI ID: 1339474
Journal Information:
Physical Review. B, Vol. 95, Issue 4; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 192 works
Citation information provided by
Web of Science

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Cited By (49)

Anisotropic Broadband Photoresponse of Layered Type-II Weyl Semimetal MoTe 2 journal April 2018
A Wide-Range Photosensitive Weyl Semimetal Single Crystal-TaAs journal September 2018
Anomalous and Polarization-Sensitive Photoresponse of T d -WTe 2 from Visible to Infrared Light journal December 2018
Zero‐Field Nernst Effect in a Ferromagnetic Kagome‐Lattice Weyl‐Semimetal Co 3 Sn 2 S 2 journal April 2019
Optical Response of MoTe2 and WTe2 Weyl Semimetals: Distinguishing between Bulk and Surface Contributions journal January 2020
PtTe 2 ‐Based Type‐II Dirac Semimetal and Its van der Waals Heterostructure for Sensitive Room Temperature Terahertz Photodetection journal December 2019
Quantized circular photogalvanic effect in Weyl semimetals journal July 2017
Direct optical detection of Weyl fermion chirality in a topological semimetal journal May 2017
Switchable magnetic bulk photovoltaic effect in the two-dimensional magnet CrI3 journal August 2019
Robust edge photocurrent response on layered type II Weyl semimetal WTe2 journal December 2019
Chiral terahertz wave emission from the Weyl semimetal TaAs journal February 2020
Nonlinear photoresponse of type-II Weyl semimetals journal March 2019
Colossal mid-infrared bulk photovoltaic effect in a type-I Weyl semimetal journal March 2019
Lighting up Weyl semimetals journal April 2019
Spatially dispersive circular photogalvanic effect in a Weyl semimetal journal July 2019
Similar ultrafast dynamics of several dissimilar Dirac and Weyl semimetals journal December 2017
Broadband photocarrier dynamics and nonlinear absorption of PLD-grown WTe 2 semimetal films journal April 2018
Directly photoexcited Dirac and Weyl fermions in ZrSiS and NbAs journal November 2018
Field-effect transistor based on surface negative refraction in Weyl nanowire journal January 2020
Symmetry demanded topological nodal-line materials journal January 2018
Nontrivial topology of bulk HgSe from the study of cyclotron effective mass, electron mobility and phase shift of Shubnikov–de Haas oscillations journal January 2019
Topological valley pumping in Weyl semimetals journal January 2019
Experimental progress on layered topological semimetals journal April 2019
Optical properties of Weyl semimetals journal December 2018
Perpendicular Andreev reflection: Solid-state signature of black-hole horizon journal December 2019
Floquet Weyl semimetals in light-irradiated type-II and hybrid line-node semimetals journal April 2018
Klein tunneling and electron optics in Dirac-Weyl fermion systems with tilted energy dispersion journal June 2018
Circular and magnetoinduced photocurrents in Weyl semimetals journal August 2018
Temperature-induced inversion of the spin-photogalvanic effect in WTe 2 and MoTe 2 journal September 2018
Optoelectronic response of the type-I Weyl semimetals TaAs and NbAs from first principles journal January 2020
Type-III and Tilted Dirac Cones Emerging from Flat Bands in Photonic Orbital Graphene journal July 2019
Direct observation of shift and ballistic photovoltaic currents journal January 2019
Remarkable electronic and optical anisotropy of layered 1T’-WTe 2 2D materials journal January 2019
Optical Properties of Weyl Semimetals journal June 2018
Field-effect transistor based on surface negative refraction in Weyl nanowire text January 2020
Weyl and Dirac Semimetals in Three Dimensional Solids text January 2017
Symmetry Demanded Topological Nodal-line Materials text January 2017
The Berry curvature dipole in Weyl semimetal materials: an ab initio study text January 2017
Circular and magnetoinduced photocurrents in Weyl semimetals text January 2018
Chiral Optical Response of Multifold Fermions text January 2018
Diagrammatic approach to nonlinear optical response with application to Weyl semimetals text January 2018
Tracking ultrafast photocurrents in the Weyl semimetal TaAs using THz emission spectroscopy text January 2018
Chiral terahertz wave emission from the Weyl semimetal TaAs text January 2019
Experimental Progress on Layered Topological Semimetals text January 2019
Difference frequency generation in topological semimetals text January 2019
Perpendicular Andreev reflection: Solid state signature of black hole horizon text January 2019
Robust edge photocurrent response on layered Type II Weyl semimetal WTe2 text January 2019
Zero-field Nernst effect in a ferromagnetic kagome-lattice Weyl-semimetal Co3Sn2S2 text January 2020
Robustness of anomaly-related magnetoresistance in doped Weyl semimetals text January 2018