U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Nanotechnology

Nanometrology

Search Publications

Search Title, Abstract, Conference, Citation, Keyword or Author
Published Date
Displaying 26 - 50 of 866

Direct Visualization of Chemically Resolved Multilayered Domains in Mixed-Linker Metal-Organic Frameworks

June 15, 2023
Author(s)
Andrea Centrone, Belen Lerma-Berlanga, Adam Biacchi, Carmen Fernandez Conde, Georges Pavlidis, Carlos Marti-Gastaldo
The modular synthesis approach for assembling inorganic nodes and organic multidentate linkers into reticular solids enables rational engineering in porous materials known as metal-organic frameworks (MOFs). Incorporation of two or more linker types in MOF

Thermal environment impact on HfOx RRAM operation: A nanoscale thermometry and modeling study

May 8, 2023
Author(s)
Matthew West, Georges Pavlidis, Robert Montgomery, Fabia Farlin Athena, Muhammad Jamil, Andrea Centrone, Samuel Graham, Eric Vogel
As the demand for computing applications capable of processing large datasets increases, there is a growing need for new in-memory computing technologies that avoid the von Neumann bottleneck. Oxide-based resistive random-access memory (RRAM) devices are a

A Tabletop X-Ray Tomography Instrument for Nanometer-Scale Imaging: Reconstructions

April 14, 2023
Author(s)
Zachary H. Levine, Bradley Alpert, Amber Dagel, Joseph Fowler, Edward Jiminez, Nathan J. Nakamura, Daniel Swetz, Paul Szypryt, Kyle Thompson, Joel Ullom
We show three-dimensional reconstructions of a region of an integrated circuit from a 130 nm copper process. The reconstructions employ x-ray computed tomography, measured with a new and innovative high-magnification x-ray microscope. The instrument uses a

Beating thermal noise in a dynamic signal measurement by a nanofabricated cavity-optomechanical sensor

March 15, 2023
Author(s)
Mingkang Wang, Diego Perez Morelo, Georg Ramer, Georges Pavlidis, Jeffrey Schwartz, Liya Yu, Robert Ilic, Andrea Centrone, Vladimir Aksyuk
Thermal fluctuations often impose both fundamental and practical measurement limits on high-performance sensors, motivating the development of techniques that bypass the limitations imposed by thermal noise outside cryogenic environments. Here, we

Orthogonal and complementary measurements of properties of drug products containing nanomaterials

January 6, 2023
Author(s)
Bryant C. Nelson, Elijah Petersen, Carl Simon Jr., Sven-Even Borgos, Luigi Calzolai, Jeremie Parot, Matthias Roesslein, Fanny Caputo, Xiaoming Xu
Quality control of pharmaceutical and biopharmaceutical products, and verification of their safety and efficacy, depends on reliable measurements of critical quality attributes (CQAs). The task becomes particularly challenging for drug products and

High throughput nanoimaging of thermal conductivity and interfacial thermal conductance

May 17, 2022
Author(s)
Mingkang Wang, Georg Ramer, Diego Perez, Georges Pavlidis, Jeffrey Schwartz, Liya Yu, Robert Ilic, Vladimir Aksyuk, Andrea Centrone
Thermal properties of materials are often determined by measuring thermalization processes. Measuring such properties at the nanoscale, however, requires high sensitivity, high temporal, and high spatial resolutions concurrently, which is beyond the

Stroboscopic Ultrafast Imaging Capabilities Using RF Strip-lines in a Commercial Transmission Electron Microscope

May 1, 2022
Author(s)
Spencer Reisbick, Myung-Geun Han, Chuhang Liu, yubin zhao, Eric Montgomery, Vikrant Gokhale, Jason J. Gorman, Chunguang Jing, June W. Lau, Yimei Zhu
The development of ultrafast electron microscopy (UEM), specifically stroboscopic imaging, has brought the study of structural dynamics to a new level by overcoming the spatial limitations of ultrafast spectroscopy and the temporal restrictions of

Spatially-resolved bandgap and dielectric function in two-dimensional materials from Electron Energy Loss Spectroscopy

February 15, 2022
Author(s)
Abel Brokkelkamp, Jaco ter Hoeve, Isabel Postmes, Sabrya van Heijst, Luigi Maduro, Albert Davydov, Sergiy Krylyuk, Juan Rojo, Sonia Conesa Boj
The electronic properties of two-dimensional (2D) materials depend sensitively on the underlying atomic arrangement down to the monolayer level. Here we present a novel strategy for the determination of the band gap and complex dielectric function in 2D

Micro to nano: multiscale IR analyses reveal zinc soap heterogeneity in a 19th-century painting by Corot

February 9, 2022
Author(s)
Xiao Ma, Georges Pavlidis, Eoghan Dillon, Victoria Beltran, Jeffrey Schwartz, Mathieu Thoury, Ferenc Borondics, Christophe Sandt, Kevin Kjoller, Barbara Berrie, Andrea Centrone
The formation and aggregation of metal carboxylates (metal-soaps) can degrade the appearance and integrity of oil paints and frequently poses a challenge to the conservation of painted works of art. Efforts to understand the root cause of metal-soap

Femtometer-amplitude imaging of coherent super high frequency vibrations in micromechanical resonators

February 4, 2022
Author(s)
Lei Shao, Vikrant Gokhale, Bo Peng, Peng-Hui Song, Jingjie Cheng, Justin Kuo, Amit Lal, Wen-Ming Zhang, Jason Gorman
The ability to measure femtometer scale vibrations at microwave frequencies is important in applications as diverse as ultracoherent resonators for 5G wireless communications, ultrasensitive detectors for mass and force, and acoustic resonators for quantum

A 3-DOF MEMS motion stage for scanning tunneling microscopy

January 1, 2022
Author(s)
Taekyung Kim, Jason J. Gorman
Piezoelectric tube scanners used in most conventional scanning tunneling microscopes (STM) are highly resonant mechanisms that require a low-bandwidth controller ( 1 kHz) to minimize ringing, which prohibitively limits scan speed. In addition, hysteresis

Dual current anomalies and quantum transport within extended reservoir simulations

October 19, 2021
Author(s)
Gabriela Wojtowicz, Justin E. Elenewski, Marek Rams, Michael P. Zwolak
Quantum transport simulations are rapidly evolving, including the development of well–controlled tensor network techniques for many– body transport calculations. One particularly powerful approach combines matrix product states with extended reservoirs —
Was this page helpful?