Xiaolei Wen
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View article: Improving the Lithographic Performance of Tetranuclear Organotin Resist via Additives with Active Ligands <sup>†</sup>
Improving the Lithographic Performance of Tetranuclear Organotin Resist via Additives with Active Ligands <sup>†</sup> Open
Comprehensive Summary A series of tetranuclear organotin clusters (Sn‐mCl, Sn‐opy, Sn‐mMe, and Sn‐dMe) with different carboxylate ligands (mCl, meta ‐chloromethylbenzoate; opy, picolinate; mMe, meta ‐methylbenzoate; dMe, 3,5‐dimethylbenzoa…
View article: Robust single modified divacancy color centers in 4H-SiC under resonant excitation
Robust single modified divacancy color centers in 4H-SiC under resonant excitation Open
Color centers in silicon carbide (SiC) offer exciting possibilities for quantum information processing. However, the challenge of ionization during optical manipulation leads to charge variations, hampering the efficacy of spin-photon inte…
View article: Robust single divacancy defects near stacking faults in 4H-SiC under resonant excitation
Robust single divacancy defects near stacking faults in 4H-SiC under resonant excitation Open
Color centers in silicon carbide (SiC) have demonstrated significant promise for quantum information processing. However, the undesirable ionization process that occurs during optical manipulation frequently causes fluctuations in the char…
View article: Enhancement of silicon sub-bandgap photodetection by helium-ion implantation
Enhancement of silicon sub-bandgap photodetection by helium-ion implantation Open
View article: Versatile Approach of Silicon Nanofabrication without Resists: Helium Ion-Bombardment Enhanced Etching
Versatile Approach of Silicon Nanofabrication without Resists: Helium Ion-Bombardment Enhanced Etching Open
Herein, we report a helium ion-bombardment enhanced etching method for silicon nanofabrication without the use of resists; furthermore, we demonstrate its unique advantages for straightforward fabrication on irregular surfaces and prototyp…
View article: Maskless Generation of Single Silicon Vacancy Arrays in Silicon Carbide by a Focused He<sup>+</sup> Ion Beam
Maskless Generation of Single Silicon Vacancy Arrays in Silicon Carbide by a Focused He<sup>+</sup> Ion Beam Open
Precise generation of spin defects in solid-state systems is essential for\nnanostructure fluorescence enhancement. We investigated a method for creating\nsingle silicon vacancy defect arrays in silicon carbide using a helium-ion\nmicrosco…
View article: 3‐D Nanofabrication of Silicon and Nanostructure Fine‐Tuning via Helium Ion Implantation (Adv. Mater. Interfaces 10/2022)
3‐D Nanofabrication of Silicon and Nanostructure Fine‐Tuning via Helium Ion Implantation (Adv. Mater. Interfaces 10/2022) Open
Fine-Tuning of Nanostructures via Helium Ion Implantation In article number 2101643, Xiaolei Wen, Renwei Mao, and Huan Hu invent an approach for producing 3D silicon nanostructures with super small roughness based on substrate swelling cau…
View article: Manipulating the anisotropic phase separation in strained VO2 epitaxial films by nanoscale ion-implantation
Manipulating the anisotropic phase separation in strained VO2 epitaxial films by nanoscale ion-implantation Open
Manipulating the strain induced poly-domains and phase transition in a correlated oxide material is important for high performance device fabrication. Though the electronic transport in the strained oxide film at macroscopic scales can be …
View article: Visualizing the anisotropic nanoscale phase separation in strained vanadium dioxide Films
Visualizing the anisotropic nanoscale phase separation in strained vanadium dioxide Films Open
Controlling the strain induced poly-domains and phase transition in correlated oxide material are important for high performance devices fabrication. Though the electronic transport in the strained oxide film at macroscopic scales can be d…
View article: Directional imbalance of Bloch surface waves for ultrasensitive displacement metrology
Directional imbalance of Bloch surface waves for ultrasensitive displacement metrology Open
A high-precision displacement sensing technique based on the detection of asymmetric intensity patterns of Bloch surface waves is proposed, with a sensitivity of 0.122 nm−1 and a resolution better than 10 nm.
View article: Plasmonic Refractive Index Sensors Based on One- and Two-Dimensional Gold Grating on a Gold Film
Plasmonic Refractive Index Sensors Based on One- and Two-Dimensional Gold Grating on a Gold Film Open
In this paper, we propose two kinds of composite structures based on the one- and two-dimensional (1D&2D) gold grating on a gold film for plasmonic refractive index sensing. The resonance modes and sensing characteristics of the composite …
View article: Hybrid surface plasmon effect and SERS characterization in a heterogeneous composite structure of Au nano-array and Ag film
Hybrid surface plasmon effect and SERS characterization in a heterogeneous composite structure of Au nano-array and Ag film Open
In this paper, we studied the hybrid surface plasmons excited by the heterogeneous composite structure of Au nano-array and Ag film via surface enhanced Raman scattering (SERS). By using the finite difference time domain method, the surfac…
View article: Wide range refractive index sensor based on a coupled structure of Au nanocubes and Au film
Wide range refractive index sensor based on a coupled structure of Au nanocubes and Au film Open
We report a plasmonic refractive index sensor with a wide measurement range based on periodic gold nanocubes coupled with a gold film. The theoretical sensing range is 1.0-1.8. The structure consists of two-dimensional gratings composed of…
View article: Surface-enhanced Raman scattering by composite structure of gold nanocube-PMMA-gold film
Surface-enhanced Raman scattering by composite structure of gold nanocube-PMMA-gold film Open
In this study, we experimentally prepared composite structures of 170 nm gold nanocube, poly(methyl methacrylate) (PMMA) spacer layers with different thicknesses, and 50 nm gold film as substrates for surface plasmons excitation and surfac…
View article: Surface-enhanced Raman scattering effect of composite structure with gold nano-cubes and gold film separated by polymethylmethacrylate film
Surface-enhanced Raman scattering effect of composite structure with gold nano-cubes and gold film separated by polymethylmethacrylate film Open
The composite structure of metal nanoparticle and metal film can be used as a surface-enhanced Raman scattering (SERS) substrate to significantly enhance the Raman signal of adsorbed molecules due to the strong coupling between local surfa…
View article: Theoretical investigation of subwavelength structure fabrication based on multi-exposure surface plasmon interference lithography
Theoretical investigation of subwavelength structure fabrication based on multi-exposure surface plasmon interference lithography Open
View article: Investigation of wide-range refractive index sensor based on asymmetric metal-cladding dielectric waveguide structure
Investigation of wide-range refractive index sensor based on asymmetric metal-cladding dielectric waveguide structure Open
A refractive index (RI) sensor based on an asymmetric metal-cladding dielectric waveguide structure, in which an analyte is used as the guiding layer, is proposed in this report. The angular scanning attenuated total reflection spectra of …
View article: Bloch surface waves confined in one dimension with a single polymeric nanofibre
Bloch surface waves confined in one dimension with a single polymeric nanofibre Open
View article: Far-field radially polarized focal spot from plasmonic spiral structure combined with central aperture antenna
Far-field radially polarized focal spot from plasmonic spiral structure combined with central aperture antenna Open
Manipulation of a vector micro-beam with an optical antenna has significant potentials for nano-optical technology applications including bio-optics, optical fabrication and quantum information processing. We have designed and demonstrated…
View article: High throughput optical lithography by scanning a massive array of bowtie aperture antennas at near-field
High throughput optical lithography by scanning a massive array of bowtie aperture antennas at near-field Open
View article: Selectable Surface and Bulk Fluorescence Imaging with Plasmon-Coupled Waveguides
Selectable Surface and Bulk Fluorescence Imaging with Plasmon-Coupled Waveguides Open
In this letter, we propose a new method for selective imaging of surface bound probes or simultaneous imaging of surface bound plus fluorescence from dye molecules in bulk water solution. The principle of this method relies on use of two o…