Nanophysics

News and Updates

As Good as it Gets: NIST Develops Its Fourth Generation Wire Micrometer that Rivals Best in the World

March 11, 2021

Researchers at the National Institute of Standards and Technology (NIST) have developed a dramatically improved laser-based instrument that measures the

A Better Way to Measure Acceleration

March 8, 2021

You’re going at the speed limit down a two-lane road when a car barrels out of a driveway on your right. You slam on the brakes, and within a fraction of a

Bringing Atoms to a Standstill: NIST Miniaturizes Laser Cooling

January 21, 2021

It’s cool to be small. Scientists at the National Institute of Standards and Technology (NIST) have miniaturized the optical components required to cool atoms

Projects and Programs

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

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

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

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

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

Photonic Dosimetry

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

Thermoelectric transport in coupled double layers with interlayer excitons and exciton condensation

December 29, 2020

Author(s)

Jiuning Hu, David B. Newell, Yong P. Chen, Albert Rigosi

We employ quantum Boltzmann formalism to study the transport properties of generic double layer systems where the strong interlayer interaction allows the

Developing Single Layer MOS Quantum Dots for Diagnostic Qubits

December 28, 2020

Author(s)

Yanxue Hong, Aruna Ramanayaka, Ryan M. Stein, Joshua M. Pomeroy

The design, fabrication and characterization of single metal gate layer, metal-oxide- semiconductor (MOS) quantum dot devices robust against dielectric

A system for probing Casimir energy corrections to the condensation energy

December 28, 2020

Author(s)

Diego J. Perez, Alexander Stange, Richard Lally, Lawrence Barrett, Matthias Imboden, Abhishek Som, David Campbell, Vladimir Aksyuk, David Bishop

In this article, we present a nano-electromechanical system (NEMS) designed to detect changes in the Casimir Energy. The Casimir effect is a result of the

Plasmonic Electronic Raman Scattering as Internal Standard for Spatial and Temporal Calibration in Quantitative Surface-enhanced Raman Spectroscopy

October 28, 2020

Author(s)

Wonil Nam, Yuming Zhao, Junyeob Song, Seied Ali Safiabadi Tali, Seju Kang, Wenqi Zhu, Henri Lezec, Amit Agrawal, Peter J. Vikesland, Wei Zhou

Ultrasensitive surface-enhanced Raman spectroscopy (SERS) still faces difficulties in quantitative analysis because of its susceptibility to local optical field

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