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

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

Nanotribology for Nanomanufacturing (Archived)

Completed

Tribology is the science and technology of interacting surfaces in relative motion and includes studies of friction, adhesion, lubrication, and wear

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

Publications

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

Strong coupling between a topological insulator and a III-V heterostructure at terahertz frequency

March 8, 2022

Author(s)

Garnett W. Bryant, D. Quang To, Zhengtianye Wang, Q. Dai Ho, Ruiqi Hu, Wilder Acuna, Yongchen Liu, Anderson Janotti, Joshua Zide, Stephanie Law, Matthew Doty

We probe theoretically the emergence of strong coupling in a system consisting of a topological insulator (TI) and a III-V heterostructure using a numerical

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