Thomas R. O'Donnell

Posts Tagged ‘Scanning Transmission Electron Microscope’

Ames Lab gets small with new microscopes

In Uncategorized, University research on January 5, 2016 at 7:02 am
Ames Lab's Matt Kramer with the Tecnai transmission electron microscope at the new Sensitive Instrument Facility (SIF). The Tecnai TEM was moved to the SIF from Wilhelm Hall, one of the buildings the lab occupies on the Iowa State University campus.

Ames Lab’s Matt Kramer with the Tecnai transmission electron microscope at the new Sensitive Instrument Facility (SIF). The microscope was moved to the SIF from Wilhelm Hall on the Iowa State University campus.

In 2015 Ames Laboratory scientists who investigate materials’ fundamental properties received their Christmas presents early.

In November and December technicians unpacked and installed around $6 million worth of high-tech microscopes, some capable of identifying individual atoms and how they’re arranged in materials. The three new devices joined one already owned by the lab, a Department of Energy (DOE) facility Iowa State University manages on its campus.

The equipment is installed at the lab’s Sensitive Instrument Facility (SIF), a fortress against interference recently finished northwest of the ISU campus. In my last post, I described the many steps the building’s designers took to keep vibrations and electromagnetic noise from disturbing the powerful microscopes inside.

In this post I’ll tell you more about the devices themselves. With their power, scientists can better understand materials and develop new ones that save energy and improve the performance of devices we use every day. Read the rest of this entry »

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What’s shaking? At this building, not a thing

In Uncategorized, University research on December 22, 2015 at 7:00 am
A SIF schematic with notations designating the location of each instrument. From Ames Laboratory's Inquiry magazine.

A SIF schematic with notations designating the location of each instrument. From Ames Laboratory’s Inquiry magazine.

It’s not a much to look at from the outside. The long, low building just northwest of the Iowa State University campus could be classrooms or offices, maybe for a small manufacturer or a medical practice.

The offices and public spaces are airy and furnished in a style echoing IKEA. There’s no hint that the structure is unique in Iowa and rare in the United States.
But take a tour, as I did last week, and you learn that this, the first new scientific structure Ames Laboratory has built since 1961, is a near-fortress against even the tiniest outside interference.

The Sensitive Instrument Facility (SIF), still awaiting its first occupants, can’t be disturbed. Really. And that’s what makes it a great place for researchers to make some minuscule discoveries. Read the rest of this entry »

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