Nanophysics

News and Updates

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

Hybrid Optical Device Captures Light for Longer Periods of Time in a Tiny Region

February 9, 2022

Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have significantly improved the ability of a type of optical

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

Video microscopic image - Rotation and translation.

Control of Magnetic Nanoparticles for Nanoscale Manipulation of Fluids and Materials (Archived)

Completed

Scientists and engineers currently have a growing library of synthetic microscale and nanoscale swimmers which affect the hydrodynamics of their surroundings in

Fabrication and Metrology of Novel Magnetic Tunnel Junctions in the Ultra-thin Barrier Limit

Completed

Magnetic tunnel junctions, nanostructured by highly charged ions, are being probed and characterized to establish the foundation for novel magnetic random

Measuring the Magneto-Electronic Properties of Graphene on the Nanometer Scale

Ongoing

The electrons in graphene are confined to the two-dimensional atomic layer of carbon atoms that make up the material . Since graphene was first extracted from

Publications

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

Exceptional points in lossy media lead to deep polynomial wave penetration with spatially uniform power loss

April 21, 2022

Author(s)

Alexander Yulaev, Sangsik Kim, Qing Li, Daron Westly, Brian Roxworthy, Kartik Srinivasan, Vladimir Aksyuk

Waves entering a spatially uniform lossy medium typically undergo exponential decay, arising from either the energy loss of the Beer–Lambert–Bouguer

Trilobite-inspired neural nanophotonic light-field camera with extreme depth-of-field

April 19, 2022

Author(s)

Wenqi Zhu, Lu Chen, Henri Lezec, Amit Agrawal

A unique bifocal compound eye visual system is found in the extinct trilobites Dalmanitina socilis which enabled them to be sensitive to the light-field

Polyoxovanadates as Precursors for the Synthesis of Colloidal Multi-Metal Oxide Nanocrystals

March 31, 2022

Author(s)

Adam Biacchi, Lucas Johnson, Ashley Sweet, Eric Cal, Angela R. Hight Walker, Matthew Buck, Luke Barrante

Colloidal multi-metal oxide nanocrystals that contain the element vanadium are attractive materials for enabling diverse technologies. Few nanocrystal systems

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