jinzhitong

Nature Electronics, Published online: 22 July 2024; doi:10.1038/s41928-024-01221-0

Oxide dielectrics that grow on 2D materials

Nature Energy, Published online: 19 July 2024; doi:10.1038/s41560-024-01589-5

Choo, Lee et al. computationally and experimentally investigate how the thermal resistance and surface cooling of thermoelectric legs with different geometries impact the power output of Cu2Se thermoelectric materials.

Nature Materials, Published online: 18 July 2024; doi:10.1038/s41563-024-01952-7

The authors report very high in-field critical current densities in Fe-based superconductors. They achieve this through doping to increase the carrier density and adding defects to pin vortices.

Nature Communications, Published online: 22 July 2024; doi:10.1038/s41467-024-50535-2

Stable and efficient hydrogen production from seawater remains challenging. Here the authors engineer sulfur migration in NiCoS electrocatalyst via N-doped carbon encapsulation, generating S vacancies and S doped CN active sites at the interface that improves electrocatalytic hydrogen evolution activity and durability in both alkaline freshwater and seawater.

Nature Communications, Published online: 24 July 2024; doi:10.1038/s41467-024-50534-3

Many-body effects may be crucial for describing high harmonic generation in solids, but previous work did not fully account for many-body effects. Here the authors develop a non-perturbative, ab initio theory and apply it to monolayer MoS2, showing significant many-body effects in the perpendicular response.

Author(s): Zhengya Wang, Ruoting Yin, Zixi Tang, Hongjian Du, Yifan Liang, Xiaoqing Wang, Qing-Song Deng, Yuan-Zhi Tan, Yao Zhang, Chuanxu Ma, Shijing Tan, and Bing Wang

It is of fundamental importance to characterize the intrinsic properties, like the topological end states, in the on-surface synthesized graphene nanoribbons (GNRs), but the strong electronic interaction with the metal substrate usually smears out their characteristic features. Here, we report our a…

[Phys. Rev. Lett. 133, 036401] Published Mon Jul 15, 2024

Author(s): Sachiko Nakamura, Haruki Matsumoto, Hiroki Ogawa, Tomoki Kobayashi, Fuyuki Nabeshima, Atsutaka Maeda, and Ryo Shimano

A new technique reveals high-speed trajectories of oscillating vortices and shows that they are 10,000 times lighter than expected.

[Phys. Rev. Lett. 133, 036004] Published Fri Jul 19, 2024

Nature Electronics, Published online: 08 July 2024; doi:10.1038/s41928-024-01202-3

Vertical metal nanosheets with atomically flat surfaces grown with a bismuth-oxide-assisted chemical vapour deposition method can be used to make metal–oxide dielectric stacks and laminated onto two-dimensional semiconductors to create transistors with sub-1 nm capacitance-equivalent thicknesses.

Nature Electronics, Published online: 17 July 2024; doi:10.1038/s41928-024-01198-w

Hall effect measurements are important in determining the electronic properties of emerging semiconductor materials, but care must be taken in their use and analysis.

Nature Nanotechnology, Published online: 15 July 2024; doi:10.1038/s41565-024-01691-5

In contrast to the classical streaming potential relying on downstream ionic diffusion, an upstream proton diffusion within two-dimensional nanochannels is found to continuously generate electricity, advancing hydrovoltaic technology.

Nature Nanotechnology, Published online: 16 July 2024; doi:10.1038/s41565-024-01712-3

Astrocytes respond to electrical stimulation via diverse calcium signalling dynamics, which are important to maintain brain function. The tunable properties of graphene oxide-based electrodes can selectively trigger these calcium signalling responses.

Nature Nanotechnology, Published online: 18 July 2024; doi:10.1038/s41565-024-01743-w

We present a Focus issue on how the research community is continually pushing the device performance boundaries of 2D transistors and explore the pivotal role that these devices play in the future computing landscape.

Nature Communications, Published online: 15 July 2024; doi:10.1038/s41467-024-50211-5

Here authors present bottom-up fabrication of 2D large-scale organic-inorganic heterostructure with clean interface and highly-crystalline structure via a self-lifting effect with observing distinct Dirac and narrow bands.

Nature Communications, Published online: 15 July 2024; doi:10.1038/s41467-024-50314-z

Artificial stacking of van der Waals materials is an effective method to design and investigate emergent physical properties in condensed matter systems. Here, the authors characterize the natural twisted layer structure of CrI3, showing its dependence on the sample fabrication process and its implications for the magnetic properties of the material.

Nature Communications, Published online: 18 July 2024; doi:10.1038/s41467-024-50417-7

The process of CH4 cracking into H2 and carbon has garnered significant attention for hydrogen production, but traditional catalytic methods are hampered by severe carbon deposition. Here, a machine-learning model has been developed to expedite the screening of CH4 cracking catalysts from 10,950 types of single-atom alloy surfaces.

Nature Communications, Published online: 18 July 2024; doi:10.1038/s41467-024-50452-4

Light excitation has been recognized as an appealing tuning knob for superconducting circuits, but usually its efficiency is limited by the low photoresponse of superconductors. Here, the authors demonstrate efficient reversible modulations of superconductivity in thin films of NbSe2 via near-field coupling to plasmonic Au nanoparticles.

Nature Chemistry, Published online: 18 July 2024; doi:10.1038/s41557-024-01580-3

Weaving purely organic molecular threads into two-dimensional patterns remains a formidable challenge. Now, driven by the formation of dative B–N bonds, a purely organic, two-dimensional and flawless woven polymer network has been prepared. In addition, free-standing monolayers of woven polymer nanosheets have been obtained through mechanical exfoliation.

Nature, Published online: 17 July 2024; doi:10.1038/s41586-024-07553-3

The application of pressure effectively suppresses the spin–charge order in trilayer nickelate La4Ni3O10−δ single crystals, leading to the emergence of superconductivity.

Nature, Published online: 17 July 2024; doi:10.1038/s41586-024-07678-5

Precision measurement of the dynamical magnetoelectric coupling in an exfoliated van der Waals multiferroic shows a giant natural optical activity at terahertz frequencies.

Author(s): Milan Kornjača and Rebecca Flint

The two-channel Kondo lattice likely hosts a rich array of phases, including hastatic order, a channel symmetry breaking heavy Fermi liquid. We revisit its one-dimensional phase diagram using density matrix renormalization group and, in contrast to previous work, find algebraic hastatic orders gener…

[Phys. Rev. Lett. 133, 026503] Published Thu Jul 11, 2024

Author(s): Ahmed Abouelkomsan, Emil J. Bergholtz, and Shubhayu Chatterjee

Van der Waals heterostructures have recently emerged as an exciting platform for investigating the effects of strong electronic correlations, including various forms of magnetic or electrical orders. Here, we perform an unbiased exact diagonalization study of the effects of interactions on topologic…

[Phys. Rev. Lett. 133, 026801] Published Thu Jul 11, 2024

Nature Physics, Published online: 08 July 2024; doi:10.1038/s41567-024-02561-6

Rhombohedral graphene is an emerging material with a rich correlated-electron phenomenology, including superconductivity. The magnetism of symmetry-broken trilayer graphene has now been explored, revealing important details of the physics and providing a roadmap for broader explorations of rhombohedral graphene.

Nature Nanotechnology, Published online: 10 July 2024; doi:10.1038/s41565-024-01704-3

This Review examines conventional epitaxial growth of 2D van der Waals materials, focusing on in-plane single-crystal monolayer growth and out-of-plane homostructure fabrication. It covers nucleation and orientation control, quality control measures, and homogeneous multilayer and twisted homostructure growth techniques, providing systematic insights for on-demand fabrication of 2D van der Waals materials and their industrial device manufacturing.

Nature Materials, Published online: 11 July 2024; doi:10.1038/s41563-024-01939-4

The instability of n-type organic semiconductors in air is a long-standing challenge in organic electronics. Now, a strategy based on the use of vitamin C is developed to stabilize organic semiconductors. Vitamin C scavenges reactive oxygen species and inhibits their generation, improving the performance and stability of organic semiconductors and their electronic devices.

Nature Communications, Published online: 10 July 2024; doi:10.1038/s41467-024-50185-4

Vertical transistors based on 2D semiconductors have the potential to reduce the footprint of electronic circuits, but their high-density integration remains challenging. Here, the authors report a vertical lamination approach for realizing high-density MoS2 vertical sidewall transistors.

Nature, Published online: 10 July 2024; doi:10.1038/s41586-024-07647-y

We find that, in the quantum transition of Ising spin glass, the closing of the gap at the critical point can remain algebraic by restricting the symmetry of possible excitations, which is crucial for quantum annealing.

Author(s): Nadine Leisgang, Dmitry Miserev, Hinrich Mattiat, Lukas Schneider, Lukas Sponfeldner, Kenji Watanabe, Takashi Taniguchi, Martino Poggio, and Richard J. Warburton

The large exchange energy observed when flipping a spin in the ferromagnetic phase of MoS2, as determined from the optical emission spectrum, suggests very stable ferromagnetic ordering.

[Phys. Rev. Lett. 133, 026501] Published Mon Jul 08, 2024

Nature Nanotechnology, Published online: 08 July 2024; doi:10.1038/s41565-024-01710-5

Room-temperature wafer-scale thermal evaporation of 20 different polycrystalline rare-earth-metal fluoride films for their use in 2D transistors is demonstrated.

Nature Communications, Published online: 08 July 2024; doi:10.1038/s41467-024-49942-2

van der Waals magnets can be arranged into twisted heterostructures, with the twisting leading to the formation of new magnetic phases. Here, Li, Sun, and coauthors show via NVcentre based magnetometry small angle twisted double trilayer CrI3 exhibits a co-existing, hybrid magnetic phase with distinct phase transition temperatures.

Nature, Published online: 08 July 2024; doi:10.1038/s41586-024-07764-8

Two-dimensional Perovskitoids Enhance Stability in Perovskite Solar Cells