Topological crystalline insulator candidate ErAsS with hourglass fermion and magnetic-tuned topological phase transition

Topological crystalline insulators (TCIs) with hourglass fermion surface state have attracted a lot of attention and are further enriched by crystalline symmetries and magnetic order. Here, we show... 05-09-2022

Scientists Identify Liquid-like Atoms in Densely Packed Solid Glasses

Revealing the microscopic structural and dynamic pictures of glasses is a long-standing challenge for scientists. Tremendous studies about the structure and relaxation dynamics of glasses have cons... 17-08-2022

More is better: epitaxial multilayer MoS₂ wafers promise high-performance transistors

The layer-by-layer epitaxy of 4-inch multilayer MoS2 wafers are achieved. Compared with monolayers, device performances of thicker-layer MoS2 are significantly improved. The average field-effect mo... 13-06-2022

Scientists Observe Large-scale, Ordered and Tunable Majorana-zero-mode Lattice

Majorana zero modes (MZMs) obey non-Abelian statistics and are considered building blocks for constructing topological qubits. Iron-based superconductors with topological band structures have emerg... 09-06-2022

Scientists discover a new class of unconventional materials

06-05-2022

Topological-cavity surface-emitting laser

05-05-2022

Polarized Neutron Scattering Reveals Preferred Spin Excitations in the Bilayer Iron-Based Superconductor CaK(Fe_0.96Ni_0.04)₄As₄

06-04-2022

Crystallization Regulation Realizes Efficient and Stable Perovskite Minimodules

Formamidinium-cesium (FA-Cs) lead halide has attracted wide interest for enhancing stability of perovskite solar cells; however, crystallization of FA-Cs perovskite usually suffers from more compli... 21-03-2022

Revealing the pairing nature by topology in iron-based superconductors

In the presence of both space and time reversal symmetries, an s-wave A1g superconducting state is usually topologically trivial. Here, we demonstrate that an exception can take place in a type of ... 28-02-2022

Discovery of quantum phase transition in pressurized cuprate superconductors

Copper oxide superconductors continue to fascinate the communities of condensed matter physics and material sciences because they host the highest ambient-pressure superconducting transition temper... 21-02-2022

Common scaling of the strange-metal scattering in unconventional superconductors unveiled by advanced high-throughput techniques

An international research team consisting of scientists at the Institute of Physics in Beijing (Chinese Academy of Sciences), University of Maryland (UMD), and Lawrence Berkeley National Laboratory... 18-02-2022

Angle-Resolved Photoemission Spectroscopy Reveals Electronic Nature of Charge Density Wave and Electron-Phonon Coupling in Kagome Superconductor KV₃Sb₅

The Kagome superconductors AV3Sb5 (A = K, Rb, Cs) have received enormous attention due to their nontrivial topological electronic structure, anomalous physical properties and superconductivity. Unc... 18-02-2022

Neural network quantifies P-integral in solids

Supercontinuum generation has been widely applied in laser spectroscopy and few-cycle pulse generation. It is composed of complex and unmeasurable nonlinear optical effects, which influence the fin... 24-01-2022

Enhancing charge density waves by Moiré engineering in 1T-TiTe₂/1T-TiSe₂ heterostructures

Nanoscale periodic moiré patterns, formed at the interface of twisted (or lattice mismatch) bilayer of two-dimensional materials, provide a new degree of freedom for engineering the electronic pro... 20-12-2021

Scientists Innovate On-site in situ High-Pressure Ultrafast Pump-Probe Spectroscopy Instrument

Scientists innovate an on-site in situ high-pressure time-resolved ultrafast pump-probe spectroscopy instrument. Both the DAC and the sample are fixed within the light path without motion and rotat... 30-11-2021