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Magnetoelectric coupling in insulating multiferroic materials is invaluable for both fundamental research and multifunctional device applications. However, material realization remains a significant challenge. We employ first-principles…

Materials Science · Physics 2025-07-08 Xilong Xu , Li Yang

Multiferroic materials provide robust and efficient routes for the control of magnetism by electric fields, which has been diligently sought after for a long time. The two-dimensional (2D) vdW multiferroics is a more exciting endeavour. To…

Materials Science · Physics 2023-10-18 Yangliu Wu , Deju Zhang , Yanning Zhang , Longjiang Deng , Bo Peng

Due to their unique two-dimensional nature, charge carriers in semiconducting transition metal dichalcogenides (TMDs) exhibit strong unscreened Coulomb interactions and sensitivity to defects and impurities. The versatility of van der Waals…

Assembling two-dimensional van der Waals layered materials into heterostructures is an exciting development that sparked the discovery of rich correlated electronic phenomena and offers possibilities for designer device applications.…

Van der Waals heterostructures have promised the realisation of artificial materials with multiple physical phenomena such as giant optical nonlinearities, spin-to-charge interconversion in spintronics and topological carrier protection, in…

The diversity of 2D materials and their van der Waals (vdW) stacking presents a fertile ground for engineering novel multifunctional materials and quantum states of matter. This permits unique opportunities to tailor the electronic…

Sparse matter is characterized by regions with low electron density and its understanding calls for methods to accurately calculate both the van der Waals (vdW) interactions and other bonding. Here we present a first-principles density…

Materials Science · Physics 2010-06-15 Elisa Londero , Elsebeth Schroder

We investigate excitons in stacked transition metal dichalcogenide (TMDC) layers under perpendicularly applied electric field, herein MoSe$_2$/WSe$_2$ van der Waals heterostructures. Band structures are obtained with density functional…

Mesoscale and Nanoscale Physics · Physics 2018-09-19 A. Chaves , J. G. Azadani , V. Ongun Özçelik , R. Grassi , T. Low

Two-dimensional (2D) materials are among the most studied ones nowadays, because of their unique properties. These materials are made of, single- or few atom-thick layers assembled by van der Waals forces, hence allowing a variety of…

Mesoscale and Nanoscale Physics · Physics 2020-12-17 Pascal Puech , Iann Gerber , Fabrice Piazza , Marc Monthioux

Synthesis of new materials demands structural analysis tools suited to the particularities of each system. Van der Waals (vdW) materials are fundamental in emerging technologies of spintronics and quantum information processing, in…

The successful assembly of heterostructures consisting of several layers of different 2D materials in arbitrary order by exploiting van der Waals forces has truly been a game changer in the field of low dimensional physics. For instance,…

Materials Science · Physics 2019-12-17 Youngwook Kim , Patrick Herlinger , Takashi Taniguchi , Kenji Watanabe , Jurgen H. Smet

Van der Waals materials composed of stacks of individual atomic layers have attracted considerable attention due to their exotic electronic properties that can be altered by, for example, manipulating the twist angle of bilayer materials or…

Materials Science · Physics 2021-05-14 Michael J Zachman , Jacob Madsen , Xiang Zhang , Pulickel M Ajayan , Toma Susi , Miaofang Chi

We performed density functional theory (DFT) calculations for a bi-layered heterostructure combining a graphene layer with a MoS2 layer with and without intercalated Li atoms. Our calculations demonstrate the importance of the van der Waals…

Materials Science · Physics 2015-02-27 Towfiq Ahmed , N. A. Modine , Jian-Xin Zhu

Quantum devices, which rely on quantum mechanical effects for their operation, may offer advantages, such as reduced dimensions, increased speed, and energy efficiency, compared to conventional devices. However, quantum phenomena are…

Mesoscale and Nanoscale Physics · Physics 2024-12-19 Manh-Ha Doan , Peter Bøggild

Van der Waals (vdW) heterostructures, which are produced by the precise assemblies of varieties of two-dimensional (2D) materials, have demonstrated many novel properties and functionalities. Here we report a nano-plasmonic study of vdW…

Mesoscale and Nanoscale Physics · Physics 2023-01-30 Fengrui Hu , Minsung Kim , Y. Zhang , Yilong Luan , Kai-Ming Ho , Yi Shi , Cai-Zhuang Wang , Xinran Wang , Zhe Fei

Layered materials with non-centrosymmetric stacking order are attracting increasing interest due to the presence of ferroelectric polarization, which is dictated by weak interlayer hybridization of atomic orbitals. Here, we use density…

Mesoscale and Nanoscale Physics · Physics 2025-01-15 Xue Li , James G. McHugh , Vladimir I. Falko

Accurate computational predictions of metal-organic frameworks (MOFs) and their properties is crucial for discovering optimal compositions and applying them in relevant technological areas. This work benchmarks density functional theory…

Materials Science · Physics 2025-03-11 Joshua Edzards , Julia Santana Andreo , Holger-Dietrich Saßnick , Caterina Cocchi

Many recent advances in our understanding of two-dimensional (2D) electron systems stem from van der Waals (vdW) heterostructures. The assembly process relies on the weak bonding across interfaces between layered vdW compounds, making it…

Long-lived interlayer excitons with distinct spin-valley physics in van der Waals heterostructures based on transition metal dichalcogenides make them promising for information processing in next-generation devices. While the emission…

Mesoscale and Nanoscale Physics · Physics 2021-10-18 Alberto Ciarrocchi , Dmitrii Unuchek , Ahmet Avsar , Kenji Watanabe , Takashi Taniguchi , Andras Kis

We study the dependence of the heat transfer and the van der Waals friction between two semi-infinite solids on the dielectric properties of the bodies. We show that the heat transfer and van der Waals friction at short separation between…

Materials Science · Physics 2009-11-11 A. I. Volokitin , B. N. J. Persson