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Title: Quantum anomalous Hall effect in two-dimensional magnetic insulator heterojunctions

Journal Article · · npj Computational Materials

Abstract Recent years have witnessed tremendous success in the discovery of topological states of matter. Particularly, sophisticated theoretical methods in time-reversal-invariant topological phases have been developed, leading to the comprehensive search of crystal database and the prediction of thousands of topological materials. In contrast, the discovery of magnetic topological phases that break time reversal is still limited to several exemplary materials because the coexistence of magnetism and topological electronic band structure is rare in a single compound. To overcome this challenge, we propose an alternative approach to realize the quantum anomalous Hall (QAH) effect, a typical example of magnetic topological phase, via engineering two-dimensional (2D) magnetic van der Waals heterojunctions. Instead of a single magnetic topological material, we search for the combinations of two 2D (typically trivial) magnetic insulator compounds with specific band alignment so that they can together form a type-III broken-gap heterojunction with topologically non-trivial band structure. By combining the data-driven materials search, first-principles calculations, and the symmetry-based analytical models, we identify eight type-III broken-gap heterojunctions consisting of 2D ferromagnetic insulators in the MXY compound family as a set of candidates for the QAH effect. In particular, we directly calculate the topological invariant (Chern number) and chiral edge states in the MnNF/MnNCl heterojunction with ferromagnetic stacking. This work illustrates how data-driven material science can be combined with symmetry-based physical principles to guide the search for heterojunction-based quantum materials hosting the QAH effect and other exotic quantum states in general.

Research Organization:
Pennsylvania State Univ., University Park, PA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); Pittsburgh Foundation; Chinese Academy of Sciences; US Department of the Navy, Office of Naval Research (ONR)
Grant/Contract Number:
SC0019275; SE-SC0014388; SC0019064; SC0014388; AC02-05CH11231; N00014-18-1-2793; 112111KYSB20160061
OSTI ID:
1734955
Alternate ID(s):
OSTI ID: 1783181
Journal Information:
npj Computational Materials, Journal Name: npj Computational Materials Vol. 6 Journal Issue: 1; ISSN 2057-3960
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United Kingdom
Language:
English

References (59)

Magnetic properties and energy-mapping analysis journal January 2013
The Quantum Anomalous Hall Effect: Theory and Experiment journal March 2016
Quantum anomalous Hall Majorana platform journal February 2018
Projector augmented-wave method journal December 1994
Above 400-K robust perpendicular ferromagnetic phase in a topological insulator journal June 2017
Hybrid functionals based on a screened Coulomb potential journal May 2003
Intrinsic quantized anomalous Hall effect in a moiré heterostructure journal December 2019
The inorganic crystal structure data base journal May 1983
Emergent ferromagnetism near three-quarters filling in twisted bilayer graphene journal July 2019
Discovering two-dimensional topological insulators from high-throughput computations journal February 2019
2DMatPedia, an open computational database of two-dimensional materials from top-down and bottom-up approaches journal June 2019
Intrinsic quantum anomalous Hall phase induced by proximity in the van der Waals heterostructure germanene/ Cr 2 Ge 2 Te 6 journal April 2020
Quasi-one-dimensional quantum anomalous Hall systems as new platforms for scalable topological quantum computation journal March 2018
From ultrasoft pseudopotentials to the projector augmented-wave method journal January 1999
Electron-energy-loss spectra and the structural stability of nickel oxide: An LSDA+U study journal January 1998
Topology-Scaling Identification of Layered Solids and Stable Exfoliated 2D Materials journal March 2017
The Computational 2D Materials Database: high-throughput modeling and discovery of atomically thin crystals journal September 2018
Erratum: “Hybrid functionals based on a screened Coulomb potential” [J. Chem. Phys. 118, 8207 (2003)] journal June 2006
Symmetry-based indicators of band topology in the 230 space groups journal June 2017
Crystallography Open Database (COD): an open-access collection of crystal structures and platform for world-wide collaboration journal November 2011
Ab initiomolecular dynamics for liquid metals journal January 1993
Screening and Design of Novel 2D Ferromagnetic Materials with High Curie Temperature above Room Temperature journal October 2018
Computational search for magnetic and non-magnetic 2D topological materials using unified spin–orbit spillage screening journal May 2020
High-throughput Identification and Characterization of Two-dimensional Materials using Density functional theory journal July 2017
Intrinsic magnetic topological insulators in van der Waals layered MnBi 2 Te 4 -family materials journal June 2019
Catalogue of topological electronic materials journal February 2019
Electrically tunable high Curie temperature two-dimensional ferromagnetism in van der Waals layered crystals journal August 2020
A consistent and accurate ab initio parametrization of density functional dispersion correction (DFT-D) for the 94 elements H-Pu journal April 2010
Quantum anomalous Hall effect in magnetic topological insulators journal August 2015
Quantized response and topology of magnetic insulators with inversion symmetry journal April 2012
Electrically tunable spin polarization of chiral edge modes in a quantum anomalous Hall insulator journal June 2016
Proximity-Driven Enhanced Magnetic Order at Ferromagnetic-Insulator–Magnetic-Topological-Insulator Interface journal August 2015
High-precision realization of robust quantum anomalous Hall state in a hard ferromagnetic topological insulator journal March 2015
High-Chern-number and high-temperature quantum Hall effect without Landau levels journal April 2020
Efficiency of ab-initio total energy calculations for metals and semiconductors using a plane-wave basis set journal July 1996
Experimental Observation of the Quantum Anomalous Hall Effect in a Magnetic Topological Insulator journal March 2013
Exchange bias and quantum anomalous nomalous Hall effect in the MnBi 2 Te 4 /CrI 3 heterostructure journal March 2020
A complete catalogue of high-quality topological materials journal February 2019
Inversion-symmetric topological insulators journal June 2011
First principles phonon calculations in materials science journal November 2015
Quantum Spin Hall Effect in Inverted Type-II Semiconductors journal June 2008
Comprehensive search for topological materials using symmetry indicators journal February 2019
Ab initio molecular-dynamics simulation of the liquid-metal–amorphous-semiconductor transition in germanium journal May 1994
Commentary: The Materials Project: A materials genome approach to accelerating materials innovation journal July 2013
Trajectory of the anomalous Hall effect towards the quantized state in a ferromagnetic topological insulator journal August 2014
Topological quantum chemistry journal July 2017
Quantum anomalous Hall effect in intrinsic magnetic topological insulator MnBi 2 Te 4 journal January 2020
Quantum Spin Hall and Quantum Anomalous Hall States Realized in Junction Quantum Wells journal May 2014
Topological Spin Texture in a Quantum Anomalous Hall Insulator journal September 2014
A family of high-temperature ferromagnetic monolayers with locked spin-dichroism-mobility anisotropy: MnNX and CrCX (X = Cl, Br, I; C = S, Se, Te) journal March 2019
Oxidation energies of transition metal oxides within the GGA + U framework journal May 2006
A high-temperature ferromagnetic topological insulating phase by proximity coupling journal May 2016
Prediction and observation of an antiferromagnetic topological insulator journal December 2019
Quantum anomalous Hall effect in time-reversal-symmetry breaking topological insulators journal March 2016
Predicting the spin-lattice order of frustrated systems from first principles journal December 2011
Two-dimensional materials from high-throughput computational exfoliation of experimentally known compounds journal February 2018
Precise Quantization of the Anomalous Hall Effect near Zero Magnetic Field journal May 2015
Quantized Anomalous Hall Effect in Magnetic Topological Insulators journal June 2010
Chromium sulfide halide monolayers: intrinsic ferromagnetic semiconductors with large spin polarization and high carrier mobility journal January 2018

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