Nanophysics

News and Updates

Superconducting Nanowire Single-Photon Detector

Unveiling the Universe: In 4 New Studies, NIST Explores Novel Ways to Hunt Dark Matter

December 8, 2022

For decades, astronomers and physicists have been trying to solve one of the deepest mysteries about the cosmos: An estimated 85% of its mass is missing.

Not Letting It Slip By: NIST Discovery Could Increase Accuracy in Measuring Blood Flow for Cancer Diagnosis, Other Applications

March 22, 2022

Researchers at the National Institute of Standards and Technology (NIST) have discovered a potential source of error when using acoustic waves to measure the

Scientists Greatly Expand the Frequencies Generated by a Miniature Optical Ruler

February 23, 2022

Like a vocal coach who extends the octave range of an opera singer, researchers at the National Institute of Standards and Technology (NIST) have expanded by

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

Light-matter interactions in Semiconductor Nanostructures

Ongoing

The quantum optics of light interacting with semiconductor-based nanostructures is being studied to extend concepts of entanglement and coherence in atomic

STM image of the surface states of a topological insulator - 3D perspective

Measuring Topological Insulator Surface State Properties

Ongoing

The transmission of information in today's electronics requires the movement of electrical charge, which expends energy and generates heat, creating two

Photonic Dosimetry

Ongoing

As part of the NIST on a Chip program, the Photonic Dosimetry project is developing in-situ sub-micrometer ionizing-radiation dosimetry and calorimetry leading

Publications

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

Single-particle studies of the effects of RNA–protein interactions on the self-assembly of RNA virus particles

September 19, 2022

Author(s)

Rees Garmann, Aaron Goldfain, Cheylene Tanimoto, Christian Beren, Fernando Vasquez, Daniel Villarreal, Charles Knobler, William Gelbart, Vinothan Manoharan

A guide to nanoscale IR spectroscopy: resonance enhanced transduction in contact and tapping mode AFM-IR

May 26, 2022

Author(s)

Jeffrey Schwartz, Devon Jakob, Andrea Centrone

Infrared (IR) spectroscopy is a broadly applicable, composition sensitive analytical technique. By leveraging the high spatial resolution of atomic force

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