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Physical Measurement Laboratory

News and Updates

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New Design Developed for Silicon Nanowire Transistors

June 30, 2005

In an advance for nanoscale electronics, researchers at the National Institute of Standards and Technology (NIST) have demonstrated a new design for silicon...

Laser Measurements Seminar

June 16, 2005

The 20th annual Laser Measurements Short Course sponsored by NIST's Optoelectronics Division will be offered Aug. 9-12, 2005, in Boulder, Colo. The three-day...

Flemming Awards Received by Four NIST Researchers

June 16, 2005

On June 6, four NIST researchers were among 12 honorees who received the Arthur S. Flemming Award at a ceremony held at The George Washington University in...

New NIST Method Improves Accuracy of Spectrometers

June 16, 2005

Measurements of the intensity of light at different wavelengths can be made more accurately now, thanks to a new, simple method for correcting common instrument...

Shadow Technique Improves Measurement of Micro Holes

June 2, 2005

Sometimes seeing a shadow can be as good or better than seeing the real thing. A new measurement method developed by researchers working at the National...

Micrograph of four NIST single photon detectors

NIST Photon Detectors Have Record Efficiency

June 2, 2005

Sensors that detect and count single photons, the smallest quantities of light, with 88 percent efficiency have been demonstrated by physicists at the National...

This colorized image shows the fluorescence from three trapped beryllium ions illuminated with an ultraviolet laser beam.

NIST Demonstrates Key Step in Use of Quantum Computers for Code-Breaking

May 12, 2005

Boulder, Colo.—A crucial step in a procedure that could enable future quantum computers to break today's most commonly used encryption codes has been...

NIST Fellow Elected to National Academy of Sciences

May 5, 2005

WASHINGTON,D.C. — Deborah S. Jin, a physicist and fellow of the U.S. Department of Commerce's National Institute of Standards and Technology (NIST), has been...

'Metal-Decorated' Nanotubes Hold Promise for Fuel Cells

May 3, 2005

New quantum calculations and computer models show that carbon nanotubes "decorated" with titanium or other transition metals can latch on to hydrogen molecules...

colorized scanning electron micrograph shows a cube of germanium attached to a membrane.

Chip-scale Refrigerators Cool Bulk Objects

April 21, 2005

Chip-scale refrigerators capable of reaching temperatures as low as 100 milliKelvin have been used to cool bulk objects for the first time, researchers at the...

New Facility Recognized in Lab Design Competition

March 24, 2005

The National Institute of Standards and Technology (NIST) and HDR Inc. will accept an award on March 29 for "high honors" in R&D Magazine's 2005 Lab of the Year...

Noisy Pictures Tell a Story of 'Entangled' Atoms, JILA Physicists Find

March 22, 2005

Patterns of noise—normally considered flaws—in images of an ultracold cloud of potassium provide the first-ever visual evidence of correlated ultracold atoms, a...

NIST Unveils Atom-based Standards for Measuring Chip Features Under 50 Nanometers

February 24, 2005

Gaithersburg, MD--Device features on computer chips as small as 40 nanometers (nm) wide—less than one-thousandth the width of a human hair—can now be measured...

Replace Kilogram Artifact Now With Definition Based on Nature, Experts Say

February 14, 2005

London, Feb. 14, 2005—It's time to replace the 115-year-old kilogram artifact as the world's official standard for mass, even though experiments generally...

Experiments Prove Existence of Atomic Chain 'Anchors'

February 3, 2005

Atoms at the ends of self-assembled atomic chains act like anchors with lower energy levels than the "links" in the chain, according to new measurements by...

A NIST-developed, carbon nanotube-coated pyroelectric detector that may improve thermal conductivity and resistance to laser damage.

Laser Applications Heat Up for Carbon Nanotubes

January 26, 2005

Carbon nanotubes—a hot nanotechnology with many potential uses—may find one of its quickest applications in the next generation of standards for optical power...

Photo of the NIST chip-scale magnetometer

Tiny, Atom-based Detector Senses Weak Magnetic Fields

January 5, 2005

A low-power, magnetic sensor about the size of a grain of rice that can detect magnetic field changes as small as 50 picoteslas—a million times weaker than the...

Chip-Scale Magnetic Sensor Draws on Mini Clock Design

December 29, 2004

A low-power, magnetic sensor about the size of a grain of rice that can detect magnetic field changes as small as 50 picoteslas—a million times weaker than the...

David Wineland and Dietrich Leibfried wear goggles and stand in front of equipment

NIST Demonstrates Data 'Repair Kit' for Quantum Computers

December 1, 2004

A practical method for automatically correcting data-handling errors in quantum computers has been developed and demonstrated by physicists at the National...

New System 'Sees' Crimes on Audiotape

October 26, 2004

The Department of Commerce's National Institute of Standards and Technology (NIST) has developed a real-time magnetic imaging system that enables criminal...

Scientists Tame 'Hip Hop' Atoms

September 9, 2004

In an effort to put more science into the largely trial and error building of nanostructures, physicists at the Commerce Department's National Institute of...

NIST Unveils Chip-Scale Atomic Clock

August 27, 2004

The heart of a minuscule atomic clock—believed to be 100 times smaller than any other atomic clock—has been demonstrated by scientists at the Commerce...

image 1 (of 3) showing strontium atoms forming a "cube"

Scientists Report First Observation of an "Atomic Air Force"

August 18, 2004

The first sighting of atoms flying in formation has been reported by physicists at the Department of Commerce's National Institute of Standards and Technology...

David Wineland leans over a table of lasers to adjust a laser beam

NIST Demonstrates 'Teleportation' of Atomic States for Quantum Computing

June 16, 2004

Physicists at the Commerce Department's National Institute of Standards and Technology (NIST) have demonstrated "teleportation" by transferring key properties...

A Quantum Mechanical 'Tune Up' for Better Measurement

June 4, 2004

By exploiting the weird quantum behavior of atoms, physicists at the Commerce Department's National Institute of Standards and Technology (NIST) have...

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