jinzhitong

Nature Materials, Published online: 16 May 2024; doi:10.1038/s41563-024-01895-z

The detailed interplay between electronic and lattice dynamics in two-dimensional perovskite materials remains elusive. Here the authors establish the room-temperature polaronic nature of the excitons in two-dimensional Dion–Jacobson-type perovskites.

Nature Materials, Published online: 20 May 2024; doi:10.1038/s41563-024-01887-z

Quantum coherent control of single-photon-emitting defect spins have been reported in hexagonal boron nitride, revealing that spin coherence is mainly governed by coupling to a few proximal nuclei and can be prolonged by decoupling protocols.

Nature Communications, Published online: 29 May 2024; doi:10.1038/s41467-024-48707-1

By resonant pumping the organic cation in 2D perovskite, Fu et al. report the electronic and mechanical couplings between the organic and inorganic sublattices, evidenced by the reduced bandgap and modified lattice degree of freedom within the inorganic sublattice, and slow heat transfer process.

Nature, Published online: 28 May 2024; doi:10.1038/d41586-024-01576-6

Keep an open mind on faster-than-light ‘tachyons’ as the source of quantum entanglement

Nature, Published online: 29 May 2024; doi:10.1038/s41586-024-07438-5

We develop a method for high-density vertical stacking of active-device multi-layers, implementing memory and logic functions, using unique VIP-FETs where a van der Waals intercalation layer modulates the p- or n-type nature of the FETs.

Nature, Published online: 29 May 2024; doi:10.1038/s41586-024-07454-5

Assessment of surface contamination shows that trace oxygen is a key factor influencing the trajectory and quality of graphene grown by low-pressure chemical vapour deposition, with oxygen-free synthesis showing increased reproducibility and quality.

Nature, Published online: 29 May 2024; doi:10.1038/s41586-024-07371-7

A modular quantum system-on-chip architecture integrates thousands of individually addressable spin qubits in two-dimensional quantum microchiplet arrays into an integrated circuit designed for cryogenic control, supporting full connectivity for quantum memory arrays across spin–photon channels.

Nature, Published online: 29 May 2024; doi:10.1038/s41586-024-07459-0

In this work, stable trapping of a two-dimensional Wigner crystal of above 500 ions is achieved, and the quantum simulation of 300 ions with individual state detection demonstrated.

Author(s): Hironari Isshiki, Nico Budai, Ayuko Kobayashi, Ryota Uesugi, Tomoya Higo, Satoru Nakatsuji, and YoshiChika Otani

The antiferromagnetic Weyl semimetal Mn3Sn has attracted wide attention due to its vast anomalous transverse transport properties despite barely any net magnetization. So far, the magnetic properties of Mn3Sn have been experimentally investigated on micrometer scale samples but not in nanometers. In…

[Phys. Rev. Lett. 132, 216702] Published Thu May 23, 2024

Author(s): Lifu Zhang, Liuxin Gu, Ruihao Ni, Ming Xie, Suji Park, Houk Jang, Rundong Ma, Takashi Taniguchi, Kenji Watanabe, and You Zhou

Controlling interlayer excitons in Van der Waals heterostructures holds promise for exploring Bose-Einstein condensates and developing novel optoelectronic applications, such as excitonic integrated circuits. Despite intensive studies, several key fundamental properties of interlayer excitons, such …

[Phys. Rev. Lett. 132, 216903] Published Fri May 24, 2024

Nature Electronics, Published online: 22 May 2024; doi:10.1038/s41928-024-01167-3

This Review examines the development of van der Waals opto-spintronic devices, highlighting the importance of light–matter interactions in van der Waals magnetic materials and the control of their magnetization via external stimuli, as well as exploring potential opto-spintronic device architectures and applications.

Nature Electronics, Published online: 27 May 2024; doi:10.1038/s41928-024-01176-2

A yttrium-doped metallic two-dimensional buffer layer can be used to improve charge carrier transport between the metal contacts and semiconductor channel in molybdenum-disulfide-based transistors.

Nature Materials, Published online: 23 May 2024; doi:10.1038/s41563-024-01907-y

Here, the authors observe that in thin films of antiferroelectric PbZrO3, substrate clamping enhances the electromechanical response, with expansion purely in the out-of-plane direction, achieving 1.7% strain for 100-nm-thick films.

Nature Communications, Published online: 22 May 2024; doi:10.1038/s41467-024-48690-7

2D AMX2 compounds (where A is a monovalent metal ion, M is a trivalent metal, and X is a chalcogen) are a family of materials with coupled ionic-electronic properties. Here, the authors report a chemical vapor deposition strategy to fabricate 20 types of 2D AMX2 flakes, exhibiting superionic conductivity or room temperature ferroelectricity.

Nature Communications, Published online: 23 May 2024; doi:10.1038/s41467-024-48945-3

Author Correction: Atomic-level polarization reversal in sliding ferroelectric semiconductors

Nature Communications, Published online: 23 May 2024; doi:10.1038/s41467-024-48701-7

Recently, superconductivity near 80 K was observed in La3Ni2O7 under high pressure, but the mechanism is debated. Here the authors report angle-resolved photoemission spectroscopy measurements under ambient pressure, revealing flat bands with strong electronic correlations that could be linked to superconductivity.

Nature Communications, Published online: 23 May 2024; doi:10.1038/s41467-024-48476-x

Here, the authors discover the ground and excited state interlayer excitons in bi- and tri-layer 2H-MoSe2 crystals which exhibit electric-field-driven hybridisation with the intralayer A excitons, showing distinct spin, layer and valley characteristics.

Nature Communications, Published online: 24 May 2024; doi:10.1038/s41467-024-48634-1

The authors study tunneling junctions in rhombohedral MoS2 bilayers and correlate their performance with the local domain layout. They show that the switching behavior in sliding ferroelectrics is strongly dependent on the pre-existing domain structure.

Nature Communications, Published online: 24 May 2024; doi:10.1038/s41467-024-47419-w

Authors find that freestanding single crystalline antiferroelectric PbZrO3 membranes exhibit remarkable flexibility that can endure a maximum bending strain of 3.5%, with the assistance of mechanical-induced antiferroelectric-ferroelectric phase transition.

Nature Communications, Published online: 25 May 2024; doi:10.1038/s41467-024-48799-9

There are now several van der Waals magnets that have been shown to host skyrmions, however, these are typically hampered by a low Curie temperature, restricting the temperature at which the skyrmions can exist. Here, Zhang, Jiang, Jiang and coauthors find a skyrmion lattice in the van der Waals magnet Fe3 − xGaTe2 above room temperature and demonstrate the critical role of symmetry breaking in crystal lattice in the origin of these skyrmions.

Nature Communications, Published online: 25 May 2024; doi:10.1038/s41467-024-48844-7

Understanding the physics of charge density waves in emerging superconductors may reveal insights into unconventional superconductivity mechanisms. Here, the authors study the temperature and magnetic-field dependence of charge-density-wave suppression in the unconventional superconductor UTe2.

Nature, Published online: 22 May 2024; doi:10.1038/s41586-024-07406-z

We develop a low-temperature, damage-free process using van der Waals lamination to integrate multiple circuit tiers into a monolithic three-dimensional device, incorporating unique multi-tier functionality and resolving legacy issues with the layering technology.

Author(s): B. Q. Lv, Alfred Zong, Dong Wu, Zhengwei Nie, Yifan Su, Dongsung Choi, Batyr Ilyas, Bryan T. Fichera, Jiarui Li, Edoardo Baldini, Masataka Mogi, Y.-B. Huang, Hoi Chun Po, Sheng Meng, Yao Wang, N. L. Wang, and Nuh Gedik

Coexisting orders are key features of strongly correlated materials and underlie many intriguing phenomena from unconventional superconductivity to topological orders. Here, we report the coexistence of two interacting charge-density-wave (CDW) orders in EuTe4, a layered crystal that has drawn consi…

[Phys. Rev. Lett. 132, 206401] Published Wed May 15, 2024

Nature Physics, Published online: 16 May 2024; doi:10.1038/s41567-024-02441-z

The mechanism by which two-dimensional materials remain stable at a finite temperature is still under debate. Now, numerical calculations suggest that rotational symmetry is crucial in suppressing anharmonic effects that lead to structural instability.

Nature Materials, Published online: 16 May 2024; doi:10.1038/s41563-024-01895-z

The detailed interplay between electronic and lattice dynamics in two-dimensional perovskite materials remains elusive. Here the authors establish the room-temperature polaronic nature of the excitons in two-dimensional Dion–Jacobson-type perovskites.

Nature Communications, Published online: 16 May 2024; doi:10.1038/s41467-024-48551-3

Traditional methods to incorporate polycrystalline thin film into flexible systems are often complicated and limited by their sizes. Here, the authors introduce flexible amorphous thin film energy harvester, based on perovskite oxides, on a plastic substrate for electromechanical energy harvesting.

Nature Communications, Published online: 16 May 2024; doi:10.1038/s41467-024-48522-8

Rhombohedral-stacked (R-stacked) transition metal dichalcogenide bilayers exhibit remarkable properties, but their large-area epitaxial growth remains challenging. Here, the authors report the remote epitaxy of centimetre-scale single-crystal R-stacked WS2 bilayer films on sapphire substrates.

Nature Communications, Published online: 18 May 2024; doi:10.1038/s41467-024-48636-z

The authors observe multiferroicity in a single-layer non van der Waals material, CuCrSe2. The coexistence of room-temperature ferroelectricity and ferromagnetism up to 120 K is corroborated by a set of comprehensive experimental techniques.

Nature Communications, Published online: 18 May 2024; doi:10.1038/s41467-024-48511-x

The band topology of twisted 2D systems is a key factor behind their fascinating physics. Here, the authors demonstrate the role of polarization in driving the band topology evolution in twisted transition metal dichalcogenide homobilayers.

Nature, Published online: 15 May 2024; doi:10.1038/s41586-024-07398-w

By combining spatial and frequency dispersive thin-film interfaces with deep residual learning, a miniature photodetector allowing the acquisition of high-dimensional information on light in a single-shot fashion is described.