A four-band terahertz tunable narrow-band perfect absorber based on a bulk Dirac semi-
metallic (BDS) metamaterial with a microstructure is designed. The three-layer structure of …

Terahertz (THz) metasurfaces have become a key platform for engineering light-matter
interaction at THz frequencies. They have evolved from simple metallic resonator arrays into …

The density-driven transition of an exciton gas into an electron–hole plasma remains a
compelling question in condensed matter physics. In two-dimensional transition metal …

Terahertz (THz) technology holds great potential across diverse applications, including
biosensing and information communications, but conventional far-field techniques are …

Direct visualization and quantitative evaluation of charge filling in grain boundary (GB) traps
of hybrid metal halide perovskites require dynamic conductivity imaging simultaneously at …

Innovation in microscopy has often been critical in advancing both fundamental science and
technological progress. Notably, the evolution of ultrafast near-field optical nano …

Terahertz (THz) radiation is a valuable tool to investigate the electronic properties of lead
halide perovskites (LHPs). However, attaining high-resolution information remains elusive …

We have developed a versatile near-field microscopy platform that can operate at high
magnetic fields and below liquid-helium temperatures. We use this platform to demonstrate …

The challenge underlying superconducting quantum computing is to remove materials
bottleneck for highly coherent quantum devices. The nonuniformity and complex structural …

Nanoscale material systems are central to next-generation optoelectronic and quantum
technologies, yet their development remains hindered by limited characterization tools …