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Strain-tunable optoelectronic and photocatalytic properties of 2D GaN/MoSiP heterobilayers: potential optoelectronic/photocatalytic materials.
Nanoscale
January 2025
School of Science, Jiangsu University of Science and Technology, Zhenjiang 212001, China.
Herein, we propose a new GaN/MoSiP van der Waals (vdWs) heterostructure constructed by vertically stacking GaN and MoSiP monolayers. Its electronic, optical, and photocatalytic properties are explored DFT++BSE calculations. The calculated binding energy and phonon spectrum demonstrated the material's high stabilities.
View Article and Find Full Text PDFProbing Temperature Changes Using Nonradiative Processes in Hyperbolic Meta-Antennas.
ACS Appl Opt Mater
December 2024
Department of Physics, Umeå University, Linnaeus väg 24, 901 87 Umeå, Sweden.
Multilayered metal-dielectric nanostructures display both a strong plasmonic behavior and hyperbolic optical dispersion. The latter is responsible for the appearance of two separated radiative and nonradiative channels in the extinction spectrum of these structures. This unique property can open plenty of opportunities toward the development of multifunctional systems that simultaneously can behave as optimal scatterers and absorbers at different wavelengths, an important feature to achieve multiscale control of light-matter interactions in different spectral regions for different types of applications, such as optical computing or detection of thermal radiation.
View Article and Find Full Text PDFBond Confinement-Dependent Peierls Distortion in Epitaxially Grown Bismuth Films.
Adv Mater
December 2024
Institute of Physics (IA), RWTH Aachen University, Sommerfeldstraße 14, 52074, Aachen, Germany.
A systematic study of the impact of film thickness on the properties of thin Bi films is presented. To this end, epitaxial films of high quality have been grown on a Si (111) substrate with thicknesses ranging from 1.9 to 29.
View Article and Find Full Text PDFNonvolatile Ferroic and Topological Phase Control under Nonresonant Light.
J Phys Chem Lett
December 2024
Center for Alloy Innovation and Design, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China.
Light-matter interaction is a long-standing promising topic that can be dated back to a few centuries ago and has witnessed the long-term debate between the particle and wave nature of light. In modern condensed matter physics and materials science, light usually serves as a detection tool to effectively characterize the physical and chemical features of samples. The light modulation on intrinsic properties of materials, such as atomic geometries, electronic bands, and magnetic behaviors, is more intriguing for information control and storage.
View Article and Find Full Text PDFUltrasensitive infrared spectroscopy via vibrational modulation of plasmonic scattering from a nanocavity.
Sci Adv
December 2024
Department of Electrical and Computer Engineering, Boston University, Boston, MA 02215, USA.
Most molecules and dielectric materials have characteristic bond vibrations or phonon modes in the mid-infrared regime. However, infrared absorption spectroscopy lacks the sensitivity for detecting trace analytes due to the low quantum efficiency of infrared sensors. Here, we report mid-infrared photothermal plasmonic scattering (MIP-PS) spectroscopy to push the infrared detection limit toward nearly a hundred molecules in a plasmonic nanocavity.
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