jinzhitong

Proceedings of the National Academy of Sciences, Volume 121, Issue 28, July 2024.

Nature Synthesis, Published online: 03 July 2024; doi:10.1038/s44160-024-00598-2

A modular synthetic procedure is reported in which a selenium capping agent hinders phase segregation and aggregation while sequencing the priority of metals that migrate into the substrate lattice, leading to a layer-by-layer growth of ordered nanostructures.

Author(s): M. Wenzel, E. Uykur, A. A. Tsirlin, S. Pal, R. Mathew Roy, C. Yi, C. Shekhar, C. Felser, A. V. Pronin, and M. Dressel

The properties of kagome metals are governed by the interdependence of band topology and electronic correlations resulting in remarkably rich phase diagrams. Here, we study the temperature evolution of the bulk electronic structure of the antiferromagnetic kagome metal FeGe using infrared spectrosco…

[Phys. Rev. Lett. 132, 266505] Published Fri Jun 28, 2024

Nature Physics, Published online: 01 July 2024; doi:10.1038/s41567-024-02560-7

The role of electron–electron interactions in generating superconductivity in few-layer graphene remains controversial. Now, the observation of interaction-driven intervalley coherence may help to explain the Cooper pairing mechanism.

Nature Physics, Published online: 01 July 2024; doi:10.1038/s41567-024-02546-5

Orbitally frustrated states have been predicted to occur in twisted bilayer graphene. Now these states have been observed for fractional filling of the electronic bands, and exhibit charge- and magnetically ordered phases.

Nature Nanotechnology, Published online: 01 July 2024; doi:10.1038/s41565-024-01695-1

This Review explores adopting 2D semiconductors to overcome the scaling bottleneck of Si-based electronics. Recent trends and potential approaches for the development of 2D materials as a channel are discussed. Following this, the prerequisites, obstacles and feasible technologies for integrating contacts and gate dielectrics with 2D semiconductor-based channels are examined. The Review also provides an industrial perspective towards facilitating monolithic 3D integration.

Nature Nanotechnology, Published online: 02 July 2024; doi:10.1038/s41565-024-01717-y

A highly tunable Nernst effect has been demonstrated in graphene/indium selenide devices, achieving a record Nernst coefficient at ultralow temperatures, highlighting its potential for quantum technologies and low-temperature applications.

Nature Nanotechnology, Published online: 03 July 2024; doi:10.1038/s41565-024-01706-1

Mirror twin boundaries in monolayer MoS2—line defects with reflection-mirroring symmetry—are one-dimensionally metallic. In this work, the authors fabricate these mirror twin boundary networks by epitaxity and incorporate them into ultrascaled 2D transistor circuits as gate electrodes.

Nature Nanotechnology, Published online: 03 July 2024; doi:10.1038/s41565-024-01708-z

A metallic line defect in a layer of molybdenum disulfide can serve as an atomically narrow gate electrode demonstrating how to further miniaturize two-dimensional field effect transistors.

Nature Nanotechnology, Published online: 04 July 2024; doi:10.1038/s41565-024-01707-0

This work reports core–shell photovoltaic nanocells to enhance the photoresponse of the active layer and realize photolithographic manufacturing of large-scale-integrated organic phototransistors for high-resolution biomimetic vision.

Nature Materials, Published online: 02 July 2024; doi:10.1038/s41563-024-01923-y

Researchers have demonstrated that skyrmion-like topological spin textures can be created in a controlled manner via the local application of an electric field with a tip electrode on a multiferroic BiFeO3 thin film.

Nature Communications, Published online: 05 July 2024; doi:10.1038/s41467-024-49984-6

Author Correction: Limits to the strain engineering of layered square-planar nickelate thin films

Nature, Published online: 03 July 2024; doi:10.1038/s41586-024-07673-w

The magnetic fields of an individual lattice plane inside materials with a non-uniform structure were observed under magnetic-field-free conditions by electron holography.

Nature, Published online: 03 July 2024; doi:10.1038/s41586-024-07596-6

Layer-stacking domain walls in van der Waals heterostructures form a broadly tunable Luttinger liquid system, including both isolated and coupled arrays.

Author(s): Dan Yao, Liping Ye, Zhonghao Fu, Qing Wang, Hailong He, Jiuyang Lu, Weiyin Deng, Xueqin Huang, Manzhu Ke, and Zhengyou Liu

Twisted moiré materials, a new class of layered structures with different twist angles for neighboring layers, are attracting great attention because of the rich intriguing physical phenomena associated with them. Of particular interest are the topological network modes, first proposed in the small …

[Phys. Rev. Lett. 132, 266602] Published Thu Jun 27, 2024

Author(s): Byungkyun Kang, Maengsuk Kim, Chul Hong Park, and Anderson Janotti

We undertook a comprehensive investigation of the electronic structure of FeSe, known as a Hund metal, and found that it is not uniquely defined. Through accounting for all two-particle irreducible diagrams constructed from electron Green’s function G and screened Coulomb interaction W in a self-con…

[Phys. Rev. Lett. 132, 266506] Published Fri Jun 28, 2024

Nature Communications, Published online: 22 June 2024; doi:10.1038/s41467-024-49518-0

The Mermin-Wagner theorem states that for short-range isotropic interactions, magnetic order in two dimensions is destroyed by magnetic fluctuations at finite temperatures. Observing this situation is challenging due to the finite size of typical laboratory samples. Here, Kiaba et al observe the suppression of magnetic order in oxide superlattices, at the thickness of the superlattice layers are reduced to one monolayer.

Nature Electronics, Published online: 27 June 2024; doi:10.1038/s41928-024-01190-4

Two-dimensional (2D) semiconductors could be used to build advanced 3D chips based on monolithic 3D integration. But challenges related to growing single-crystalline materials at low temperatures — as well as enhancing the performance of 2D transistors — need to be addressed first.

Nature Electronics, Published online: 27 June 2024; doi:10.1038/s41928-024-01191-3

Atomic-layer yttrium doping can be used to form ohmic contacts between molybdenum disulfide channel layers and metals, creating high-performance 2D transistors with low contact resistances.

Nature Electronics, Published online: 01 July 2024; doi:10.1038/s41928-024-01192-2

An optimized pulsed voltage write–verify switching approach can be used to improve the switching performance of memristors based on hexagonal boron nitride for radiofrequency circuit applications.

Proceedings of the National Academy of Sciences, Volume 121, Issue 27, July 2024.

Nature Chemistry, Published online: 25 June 2024; doi:10.1038/s41557-024-01558-1

Nitrogen-rich Ruddlesden–Popper nitrides are notoriously difficult to stabilize. Now a high-pressure high-temperature synthesis method has enabled the preparation of Pr2ReN4, Nd2ReN4 and Ce2TaN4. Neutron diffraction analysis reveals fully nitrided materials and intricate magnetic structures.

Nature Nanotechnology, Published online: 21 June 2024; doi:10.1038/s41565-024-01693-3

Simulations show that two-dimensional-material-based static random-access memory (SRAM) circuits leverage their low parasitic capacitance, counteracting performance declines due to increased interconnect resistance and potentially surpassing Si-based SRAM in terms of both performance and energy efficiency at advanced technology nodes.

Nature Nanotechnology, Published online: 25 June 2024; doi:10.1038/s41565-024-01696-0

A one-pot kinetically controlled synthetic framework for constructing regioselective architectures in a series of well-defined metallic heterostructures is demonstrated, in which phase and morphology regulation of Pd–Sb substrate are implemented to validate the kinetically controlled synthesis.

Nature Materials, Published online: 21 June 2024; doi:10.1038/s41563-024-01921-0

The emergence of moiré superlattices in twisted two-dimensional halide perovskites has been reported, revealing the emergence of localized bright excitons with enhanced emissions and trapped charge carriers.

Nature Materials, Published online: 21 June 2024; doi:10.1038/s41563-024-01931-y

Current transfer printing technologies enable versatile flexible devices but challenges remain. Here the authors report a facile, versatile and damage-free dry transfer printing strategy based on stress control of the deposited thin films.

Nature Materials, Published online: 27 June 2024; doi:10.1038/s41563-024-01933-w

The development of n-type organic semiconductors (OSCs) has been held back due to stability issues. Here the authors report that vitamin C improves both the performance and stability of n-type OSCs and devices.

Nature, Published online: 26 June 2024; doi:10.1038/d41586-024-02111-3

Rhombohedral boron nitride films have a unique combination of properties that make them desirable in electronic and optical applications. An innovative method can be used to create particularly promising large-scale single crystals, bringing the films much closer to real-world applications.

Nature, Published online: 26 June 2024; doi:10.1038/s41586-024-07604-9

In an application of terahertz phonon engineering, terahertz phonons were generated, detected and manipulated through precise integration of atomically thin layers in van der Waals heterostructures.

Nature, Published online: 26 June 2024; doi:10.1038/s41586-024-07625-4

By incorporating chiral molecules into conventional superconductor lattices such as TaS2 to form a hybrid superlattice, non-centrosymmetry could be introduced and can be shown to help lead to unconventional superconductivity.