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Search Publications by: June W. Lau (Fed)

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Displaying 1 - 25 of 28

Advancing Measurement Science for Microelectronics: CHIPS R&D Metrology Program

February 13, 2024
Author(s)
Marla L. Dowell, Hannah Brown, Gretchen Greene, Paul D. Hale, Brian Hoskins, Sarah Hughes, Bob R. Keller, R Joseph Kline, June W. Lau, Jeff Shainline
The CHIPS and Science Act of 2022 called for NIST to "carry out a microelectronics research program to enable advances and breakthroughs....that will accelerate the underlying R&D for metrology of next-generation microelectronics and ensure 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

A Roadmap for LIMS at NIST Material Measurement Laboratory

April 11, 2022
Author(s)
Gretchen Greene, Jared Ragland, Zachary Trautt, June W. Lau, Raymond Plante, Joshua Taillon, Adam Abel Creuziger, Chandler A. Becker, Joe Bennett, Niksa Blonder, Lisa Borsuk, Carelyn E. Campbell, Adam Friss, Lucas Hale, Michael Halter, Robert Hanisch, Gary R. Hardin, Lyle E. Levine, Samantha Maragh, Sierra Miller, Chris Muzny, Marcus William Newrock, John Perkins, Anne L. Plant, Bruce D. Ravel, David J. Ross, John Henry J. Scott, Christopher Szakal, Alessandro Tona, Peter Vallone
Instrumentation generates data faster and in higher quantity than ever before, and interlaboratory research is in historic demand domestically and internationally to stimulate economic innovation. Strategic mission needs of the NIST Material Measurement

Magnetoelastic effects in doubly clamped electroplated CoFe micro-beam resonators

March 12, 2019
Author(s)
Margo Staruch, S. P. Bennett, B. R. Matis, J. W. Baldwin, K. Bussmann, Daniel Gopman, Yury Kabanov, June W. Lau, Robert D. Shull, E. Langlois, C. Arrington, J. R. Pillars, Peter Finkel
Magnetostrictive Co77Fe23 films were fabricated on silicon wafers and fully suspended to produce free-standing, doubly clamped, micro-beam resonators. A negative or positive shift in the resonant frequency was observed for magnetic fields applied parallel

Electric-field control of perpendicular magnetic anisotropy in multiferroic PZT- and PMN- PT//[Co/Ni] composites with negative magnetostriction

July 4, 2018
Author(s)
Daniel B. Gopman, Andrew P. Chen, Cindi L. Dennis, June W. Lau, Robert D. Shull, Gregory P. Carman, Peter Finkel, Margo Staruch, Andres Chavez
A longstanding goal of spintronics is to identify alternatives to current-generated Oersted- fields for magnetization control at the nanoscale. An emerging approach seeks to harness the voltage-induced strain in a proximal piezostrictive layer to modify

A workshop report on “Electron Microscopy Frontiers: Challenges and Opportunities”

December 21, 2017
Author(s)
June W. Lau, John E. Bonevich, Andrew A. Herzing, Ann C. Chiaramonti Debay, Robert R. Keller
For two days beginning on March 8, 2017, a planning workshop entitled “Electron Microscopy Frontiers: Opportunities and Challenges” was hosted by the Material Measurement Laboratory (MML) of the National Institute of Standards and Technology (NIST). Grass

PEGylation of zinc nanoparticles amplifies their ability to enhance olfactory responses to odorant

December 20, 2017
Author(s)
Melissa Singletary, Samantha Hagerty, Shinichiro Muramoto, Yasmine Daniels, William A. MacCrehan, Gheorghe Stan, June W. Lau, Oleg Pustovyy, Ludmila Globa, Edward E. Morrison, Iryna Sorokulova, Vitaly Vodyanoy
Responses of olfactory sensory neurons to odorants are intensely enhanced with the addition of small endogenous and engineered zinc nanoparticles, as shown by physiological experiments. The highest enhancement was recorded with 1.2 nm non-oxidized zinc

After oxidation, zinc nanoparticles lose their ability to enhance responses to odorants

September 20, 2016
Author(s)
Samantha Hagerty, Yasmine C. Daniels, Melissa Singletary, Oleg Pustovyy, Ludmila Globa, William A. MacCrehan, Shinichiro Muramoto, June W. Lau, Edward Morrison, Iryna Sorokulova, Vitaly Vodyanoy, Gheorghe Stan
Electrical responses of olfactory sensory neurons to odorants were examined in the presence of zinc nanoparticles of various sizes and degrees of oxidation. The zinc nanoparticles were prepared by the underwater electrical discharge method and analyzed by

Multiferroicity in Doped Hexagonal LuFeO 3

August 27, 2015
Author(s)
Steven M. Disseler, Xuan Luo, Bin Gao, Yoon Seok Oh, Rongwei Hu, Yazhong Wang, Dylan Quintana, Alexander Zhang, Qingzhen Huang, June W. Lau, Rick L. Paul, Jeffrey W. Lynn, Sang-Wook Cheong, William D. Ratcliff
The hexagonal phase of LuFeO 3 is a rare example of a multiferroic material possessing a weak ferromagnetic moment, which is predicted to be switchable by an electric field. We stabilize this structure in bulk form through Mn and Sc doping, and determine

Enriching 28Si beyond 99.9998 % for semiconductor quantum computing

August 5, 2014
Author(s)
Kevin J. Dwyer, Joshua M. Pomeroy, David S. Simons, June W. Lau, Kristen L. Steffens
Using a laboratory-scale apparatus, we enrich 28Si and produce material with 40 times less residual 29Si than previously reported. Starting from natural abundance silane gas, we offer an alternative to industrial gas centrifuges for providing materials

Structural and Magnetic Etch Damage in CoFeB

May 7, 2014
Author(s)
L. Krayer, June W. Lau, Brian Kirby
A detailed understanding of the interfacial properties of think films used in magnetic media is critical for the aggressive component scaling required for continued improvement in storage density. In particular, it is important to understand how common

Deposition Order Dependent Magnetization Reversal of Pressure Graded Co/Pd Films

April 15, 2014
Author(s)
P. K. Greene, Brian Kirby, June W. Lau, Julie Borchers, M .R. Fitzsimmons, Kai Liu
Magnetization reversal mechanisms have been investigated in pressure graded Co/Pd multilayer thin films with inverted deposition orders. Structural and magnetic properties have been investigated using x-ray diffraction, transmission electron microscopy

Intrinsic defects in perpendicularly magnetized multilayer thin films and nanostructures

October 26, 2010
Author(s)
Justin M. Shaw, Miles Olsen, June W. Lau, Michael L. Schneider, Thomas J. Silva, Olav Hellwig, Elizabeth Dobisz, Bruce D. Terris
Intrinsic magnetic defects in perpendicularly magnetized nanostructures reduce the predictability of device and developing recording technologies. In addition to a distribution of local anisotropy fields, we show that such defects also exhibit variations