Nanoplasmonics

News and Updates

nucleic acid nanotechnology illustration

A Revolution Still in the Making: NIST Researchers Chart the Future of Nucleic Acid Nanotechnology

October 27, 2022

Trapped in a microscopic cage made of strands of DNA, molecules of a life-saving drug course through the bloodstream of a cancer patient. Only when receptors on

What a Switch! NIST-Led Team Develops Tiny Low-Energy Device to Rapidly Reroute Light in Computer Chips

November 14, 2019

Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have developed an optical switch that routes light from one

Illustration of a plasmomechanical oscillator

Doing the Nano-Shimmy

April 9, 2018

Imagine a single particle, only one-tenth the diameter of a bacterium, whose miniscule jiggles induce sustained vibrations in an entire mechanical device some

Projects and Programs

PTIR combines the spatial resolution of AFM with the specificity of absorption spectroscopy

Nano-Chemical Imaging and -Spectroscopy (IR, nIR, VIS)

Ongoing

Conventional techniques for analyzing chemical composition, such as infrared (IR) microscopy often miss critically important nanoscale details. To overcome this

Designing the Nanoworld: Nanostructure, Nanodevices, and Nano-optics

Ongoing

Nano and atomic scale theory of the electronic, optical and mechanical properties of ultrasmall structures, such as semiconductor quantum dots and dopants in Si

Nanoplasmonics and Three-Dimensional Plasmonic Metamaterials

Ongoing

Metamaterials are tailor-made photonic composites--combinations of materials designed to achieve optical properties not seen in nature. The properties stem from

Nanostructures for Energy Conversion

Completed

Electrochemical systems containing nanostructured materials are increasingly being incorporated into devices for efficiently harvesting, storing, and converting

Publications

Deep Learning Image Analysis of Nanoplasmonic Sensors: Toward Medical Breath Monitoring

November 23, 2022

Author(s)

Yangyang Zhao, Boqun Dong, Kurt D. Benkstein, Lei Chen, Kristen L. Steffens, Stephen Semancik

Sensing biomarkers in exhaled breath offers a potentially portable, cost-effective, and noninvasive strategy for disease diagnosis screening and monitoring

Tip-enhanced Raman scattering for atomic-scale spectroscopy and imaging

October 24, 2022

Author(s)

Jeremy Schultz

Atomic scale spectroscopy provides an exceptional ability to define electronic, optical, thermal, mechanical, and chemical properties of materials at the

Broadband Nanoscale Surface-Enhanced Raman Spectroscopy by Multiresonant Nanolaminate Plasmonic Nanocavities on Vertical Nanopillars

August 8, 2022

Author(s)

Meitong Nie, Yuming Zhao, Wonil Nam, Junyeob Song, Wenqi Zhu, Henri Lezec, Amit Agrawal, Wei Zhou

Surface-enhanced Raman spectroscopy (SERS) has become a sensitive detection technique for biochemical analysis. Despite significant research efforts, most SERS

Asymmetric Carbon Nanotube Dimers Embedded in a Dielectric Slab: New Plasmonic Resonance Behavior

December 7, 2021

Author(s)

Sumitra Dey, Deb Chatterjee, Ahmed Hassan, Edward Garboczi

All prior work on modeling the full-wave electromagnetic response of carbon nanotubes (CNTs) has focused on CNTs in free-space, whereas in most practical