Nanophysics

News and Updates

NIST-Designed Photonic Chip Transforms a Single Beam of Light Into Multiple Beams, Each With a Panoply of Different Properties

June 30, 2023

Researchers at the National Institute of Standards and Technology (NIST) have devised a photonic circuit on a chip that transforms a single incoming beam of

Manipulating Multiple Lasers on a Single Chip: Paving the Way for a New Generation of Quantum Devices

April 10, 2023

Researchers at the National Institute of Standards and Technology (NIST) have developed chip-scale devices for simultaneously manipulating the color, focus

NIST’s NanoFab Reopens its Doors to Universities, Industry, and Research Institutions

April 3, 2023

In the Lilliputian world of nanofabrication, where billions of microscopic circuit elements are sculpted or imprinted on a fingernail-sized silicon chip

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

Multiscale structure and dynamics in advanced technological materials

Ongoing

This project develops and applies metrologies and standards for characterizing microstructure and dynamics in advanced functional materials of technological

Nanoscale Property Measurements by Atomic Force Microscopy

Ongoing

Develop instrumentation, measurement methodologies, and analytical and numerical analysis for mechanical and electrical atomic force microscopy-based

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

Publications

Semiconductor thermal and electrical properties decoupled by localized phonon resonances

May 10, 2023

Author(s)

Bryan Spann, Joel Weber, Matthew Brubaker, Todd E. Harvey, LINA YANG, Hossein Honarvar, Chia-Nien Tsai, Andrew Treglia, MINHYEA LEE, MAHMOUD HUSSEIN, Kris A. Bertness

Thermoelectric materials convert heat into electricity through thermally driven charge transport in solids or vice versa for cooling. To compete with

Broadband full-spectrum Raman excitation mapping reveals intricate optoelectronic-vibrational resonance structure of chirality pure single walled carbon nanotube

April 3, 2023

Author(s)

Paul Finnie, Jeffrey Fagan, Jianying Ouyang

The Raman excitation spectra of chirality pure (6,5), (7,5) and (8,3) single walled carbon nanotubes (SWCNTs) are explored for homogenous solid film samples

Enhanced Atomic Precision Fabrication by Adsorption of Phosphine into Engineered Dangling Bonds on H–Si Using STM and DFT

November 1, 2022

Author(s)

Jonathan Wyrick, Xiqiao Wang, Pradeep Namboodiri, Ranjit Kashid, Fan Fei, Joseph Fox, Richard M. Silver

Doping of Si using the scanning probe technique of hydrogen depassivation lithography has been shown to enable placing and positioning small numbers of P atoms

Synthesizing ultrafast optical pulses with arbitrary spatiotemporal control

October 26, 2022

Author(s)

Lu Chen, Wenqi Zhu, Pengcheng Huo, Junyeob Song, Henri Lezec, Ting Xu, Amit Agrawal

The ability to control the instantaneous state of light – its phase, amplitude, polarization, or wavefront – of high-energy pulses down to the single-photon

Tools and Instruments

Local Electrode Atom Probe Tomography (LEAP)

Field evaporates (with a voltage and laser pulse) a sharp tip-shaped specimen. Collects the ionization products in a position-sensitive, time-of-flight mass